mirror of
https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator
synced 2024-11-05 04:10:06 +00:00
Regenerate documentation, rebuild binaries
Switched binaries from vs2017 to vs2019.
This commit is contained in:
Adam Sawicki
parent
4ac8ff89c2
commit
52d0272459
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@ -79,16 +79,16 @@ Allocation user data</h1>
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<div class="line"> </div>
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<div class="line">VkBuffer buffer;</div>
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<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocCreateInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocCreateInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
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</div><!-- fragment --><p>The pointer may be later retrieved as <a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13" title="Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...">VmaAllocationInfo::pUserData</a>:</p>
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<div class="fragment"><div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a>(allocator, allocation, &allocInfo);</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocation, &allocInfo);</div>
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<div class="line">MyBufferMetadata* pMetadata = (MyBufferMetadata*)allocInfo.<a class="code" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a>;</div>
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</div><!-- fragment --><p>It can also be changed using function <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>.</p>
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<p>Values of (non-zero) allocations' <code>pUserData</code> are printed in JSON report created by <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>, in hexadecimal form.</p>
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</div><!-- fragment --><p>It can also be changed using function <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>.</p>
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<p>Values of (non-zero) allocations' <code>pUserData</code> are printed in JSON report created by <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>, in hexadecimal form.</p>
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<h1><a class="anchor" id="allocation_names"></a>
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Allocation names</h1>
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<p>There is alternative mode available where <code>pUserData</code> pointer is used to point to a null-terminated string, giving a name to the allocation. To use this mode, set <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a> flag in <a class="el" href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b" title="Use VmaAllocationCreateFlagBits enum.">VmaAllocationCreateInfo::flags</a>. Then <code>pUserData</code> passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or argument to <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a> must be either null or pointer to a null-terminated string. The library creates internal copy of the string, so the pointer you pass doesn't need to be valid for whole lifetime of the allocation. You can free it after the call.</p>
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<p>There is alternative mode available where <code>pUserData</code> pointer is used to point to a null-terminated string, giving a name to the allocation. To use this mode, set <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a> flag in <a class="el" href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b" title="Use VmaAllocationCreateFlagBits enum.">VmaAllocationCreateInfo::flags</a>. Then <code>pUserData</code> passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or argument to <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a> must be either null or pointer to a null-terminated string. The library creates internal copy of the string, so the pointer you pass doesn't need to be valid for whole lifetime of the allocation. You can free it after the call.</p>
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<div class="fragment"><div class="line">VkImageCreateInfo imageInfo = { VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO };</div>
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<div class="line"><span class="comment">// Fill imageInfo...</span></div>
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<div class="line"> </div>
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@ -102,27 +102,27 @@ Allocation names</h1>
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<div class="line"> </div>
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<div class="line">VkImage image;</div>
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<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131">vmaCreateImage</a>(allocator, &imageInfo, &allocCreateInfo, &image, &allocation, <span class="keyword">nullptr</span>);</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73">vmaCreateImage</a>(allocator, &imageInfo, &allocCreateInfo, &image, &allocation, <span class="keyword">nullptr</span>);</div>
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</div><!-- fragment --><p>The value of <code>pUserData</code> pointer of the allocation will be different than the one you passed when setting allocation's name - pointing to a buffer managed internally that holds copy of the string.</p>
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<div class="fragment"><div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a>(allocator, allocation, &allocInfo);</div>
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<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocation, &allocInfo);</div>
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<div class="line"><span class="keyword">const</span> <span class="keywordtype">char</span>* imageName = (<span class="keyword">const</span> <span class="keywordtype">char</span>*)allocInfo.<a class="code" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a>;</div>
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<div class="line">printf(<span class="stringliteral">"Image name: %s\n"</span>, imageName);</div>
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</div><!-- fragment --><p>That string is also printed in JSON report created by <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. </p>
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</div><!-- fragment --><p>That string is also printed in JSON report created by <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. </p>
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</div></div><!-- contents -->
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</div><!-- PageDoc -->
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<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2339</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_a001bd7a2077a42caf256a6fb2f2ba131"><div class="ttname"><a href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131">vmaCreateImage</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateImage(VmaAllocator allocator, const VkImageCreateInfo *pImageCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkImage *pImage, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Function similar to vmaCreateBuffer().</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_a8259e85c272683434f4abb4ddddffe19"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19">VmaAllocationCreateInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2433</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2342</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_a8259e85c272683434f4abb4ddddffe19"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19">VmaAllocationCreateInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2436</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_a86dd08aba8633bfa4ad0df2e76481d8b"><div class="ttname"><a href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a></div><div class="ttdeci">void vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation and atomically marks it as used in current fra...</div></div>
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<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
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<div class="ttc" id="astruct_vma_allocation_info_html_adc507656149c04de7ed95d0042ba2a13"><div class="ttname"><a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">VmaAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2748</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
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<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2710</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_ae10b53588f197141c6e88a1f5ec34789"><div class="ttname"><a href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation and atomically marks it as used in current fra...</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_a02a94f25679275851a53e82eacbcfc73"><div class="ttname"><a href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73">vmaCreateImage</a></div><div class="ttdeci">VkResult vmaCreateImage(VmaAllocator allocator, const VkImageCreateInfo *pImageCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkImage *pImage, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Function similar to vmaCreateBuffer().</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
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<div class="ttc" id="astruct_vma_allocation_info_html_adc507656149c04de7ed95d0042ba2a13"><div class="ttname"><a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">VmaAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2772</div></div>
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<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2399</div></div>
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<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
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<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2734</div></div>
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<!-- start footer part -->
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<hr class="footer"/><address class="footer"><small>
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Generated by  <a href="http://www.doxygen.org/index.html">
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@ -69,14 +69,14 @@ $(function() {
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<table class="directory">
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<tr id="row_0_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocation.html" target="_self">VmaAllocation</a></td><td class="desc">Represents single memory allocation </td></tr>
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<tr id="row_1_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocation_create_info.html" target="_self">VmaAllocationCreateInfo</a></td><td class="desc"></td></tr>
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<tr id="row_2_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocation_info.html" target="_self">VmaAllocationInfo</a></td><td class="desc">Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> </td></tr>
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||||
<tr id="row_2_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocation_info.html" target="_self">VmaAllocationInfo</a></td><td class="desc">Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> </td></tr>
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<tr id="row_3_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocator.html" target="_self">VmaAllocator</a></td><td class="desc">Represents main object of this library initialized </td></tr>
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<tr id="row_4_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_allocator_create_info.html" target="_self">VmaAllocatorCreateInfo</a></td><td class="desc">Description of a Allocator to be created </td></tr>
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<tr id="row_5_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_budget.html" target="_self">VmaBudget</a></td><td class="desc">Statistics of current memory usage and available budget, in bytes, for specific memory heap </td></tr>
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<tr id="row_6_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_context.html" target="_self">VmaDefragmentationContext</a></td><td class="desc">Represents Opaque object that represents started defragmentation process </td></tr>
|
||||
<tr id="row_7_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_info.html" target="_self">VmaDefragmentationInfo</a></td><td class="desc">Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> </td></tr>
|
||||
<tr id="row_7_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_info.html" target="_self">VmaDefragmentationInfo</a></td><td class="desc">Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> </td></tr>
|
||||
<tr id="row_8_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_info2.html" target="_self">VmaDefragmentationInfo2</a></td><td class="desc">Parameters for defragmentation </td></tr>
|
||||
<tr id="row_9_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_stats.html" target="_self">VmaDefragmentationStats</a></td><td class="desc">Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> </td></tr>
|
||||
<tr id="row_9_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_defragmentation_stats.html" target="_self">VmaDefragmentationStats</a></td><td class="desc">Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> </td></tr>
|
||||
<tr id="row_10_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_device_memory_callbacks.html" target="_self">VmaDeviceMemoryCallbacks</a></td><td class="desc">Set of callbacks that the library will call for <code>vkAllocateMemory</code> and <code>vkFreeMemory</code> </td></tr>
|
||||
<tr id="row_11_"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_pool.html" target="_self">VmaPool</a></td><td class="desc">Represents custom memory pool </td></tr>
|
||||
<tr id="row_12_" class="even"><td class="entry"><span style="width:16px;display:inline-block;"> </span><span class="icona"><span class="icon">C</span></span><a class="el" href="struct_vma_pool_create_info.html" target="_self">VmaPoolCreateInfo</a></td><td class="desc">Describes parameter of created <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> </td></tr>
|
||||
|
||||
@ -67,10 +67,10 @@ $(function() {
|
||||
<div class="contents">
|
||||
<div class="textblock"><p>Physical devices in Vulkan support various combinations of memory heaps and types. Help with choosing correct and optimal memory type for your specific resource is one of the key features of this library. You can use it by filling appropriate members of <a class="el" href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a> structure, as described below. You can also combine multiple methods.</p>
|
||||
<ol type="1">
|
||||
<li>If you just want to find memory type index that meets your requirements, you can use function: <a class="el" href="vk__mem__alloc_8h.html#a21530f0bd74d92b40cc1873e5037662c" title="Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndex()</a>, <a class="el" href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc" title="Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForBufferInfo()</a>, <a class="el" href="vk__mem__alloc_8h.html#a359c5187b7004880945f0e3debba91b9" title="Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForImageInfo()</a>.</li>
|
||||
<li>If you want to allocate a region of device memory without association with any specific image or buffer, you can use function <a class="el" href="vk__mem__alloc_8h.html#a6e40022ab443f88bfa8b13c2fcfd05cc" title="General purpose memory allocation.">vmaAllocateMemory()</a>. Usage of this function is not recommended and usually not needed. <a class="el" href="vk__mem__alloc_8h.html#a35b49cebb7d7c128db38d3949f54e325" title="General purpose memory allocation for multiple allocation objects at once.">vmaAllocateMemoryPages()</a> function is also provided for creating multiple allocations at once, which may be useful for sparse binding.</li>
|
||||
<li>If you already have a buffer or an image created, you want to allocate memory for it and then you will bind it yourself, you can use function <a class="el" href="vk__mem__alloc_8h.html#af34f6d2ec25537ac0179ff614bae0012">vmaAllocateMemoryForBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a25e3b30b93063b921d5078e538b1bf30" title="Function similar to vmaAllocateMemoryForBuffer().">vmaAllocateMemoryForImage()</a>. For binding you should use functions: <a class="el" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40" title="Binds buffer to allocation.">vmaBindBufferMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a9681b4996d0d33ad0bc811fc7394d272" title="Binds image to allocation.">vmaBindImageMemory()</a> or their extended versions: <a class="el" href="vk__mem__alloc_8h.html#aa06d8fe2e969c048182e019f4b857ccf" title="Binds buffer to allocation with additional parameters.">vmaBindBufferMemory2()</a>, <a class="el" href="vk__mem__alloc_8h.html#a82e760a2db3b517b965320ba71ebbfbb" title="Binds image to allocation with additional parameters.">vmaBindImageMemory2()</a>.</li>
|
||||
<li>If you want to create a buffer or an image, allocate memory for it and bind them together, all in one call, you can use function <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>. This is the easiest and recommended way to use this library.</li>
|
||||
<li>If you just want to find memory type index that meets your requirements, you can use function: <a class="el" href="vk__mem__alloc_8h.html#aef15a94b58fbcb0fe706d5720e84a74a" title="Helps to find memoryTypeIndex, given memoryTypeBits and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndex()</a>, <a class="el" href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888" title="Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForBufferInfo()</a>, <a class="el" href="vk__mem__alloc_8h.html#a088da83d8eaf3ce9056d9ea0b981d472" title="Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForImageInfo()</a>.</li>
|
||||
<li>If you want to allocate a region of device memory without association with any specific image or buffer, you can use function <a class="el" href="vk__mem__alloc_8h.html#abf28077dbf82d0908b8acbe8ee8dd9b8" title="General purpose memory allocation.">vmaAllocateMemory()</a>. Usage of this function is not recommended and usually not needed. <a class="el" href="vk__mem__alloc_8h.html#ad37e82e492b3de38fc3f4cffd9ad0ae1" title="General purpose memory allocation for multiple allocation objects at once.">vmaAllocateMemoryPages()</a> function is also provided for creating multiple allocations at once, which may be useful for sparse binding.</li>
|
||||
<li>If you already have a buffer or an image created, you want to allocate memory for it and then you will bind it yourself, you can use function <a class="el" href="vk__mem__alloc_8h.html#a7fdf64415b6c3d83c454f28d2c53df7b">vmaAllocateMemoryForBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a0faa3f9e5fb233d29d1e00390650febb" title="Function similar to vmaAllocateMemoryForBuffer().">vmaAllocateMemoryForImage()</a>. For binding you should use functions: <a class="el" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470" title="Binds buffer to allocation.">vmaBindBufferMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a3d3ca45799923aa5d138e9e5f9eb2da5" title="Binds image to allocation.">vmaBindImageMemory()</a> or their extended versions: <a class="el" href="vk__mem__alloc_8h.html#a927c944f45e0f2941182abb6f608e64a" title="Binds buffer to allocation with additional parameters.">vmaBindBufferMemory2()</a>, <a class="el" href="vk__mem__alloc_8h.html#aa8251ee81b0045a443e35b8e8aa021bc" title="Binds image to allocation with additional parameters.">vmaBindImageMemory2()</a>.</li>
|
||||
<li>If you want to create a buffer or an image, allocate memory for it and bind them together, all in one call, you can use function <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>. This is the easiest and recommended way to use this library.</li>
|
||||
</ol>
|
||||
<p>When using 3. or 4., the library internally queries Vulkan for memory types supported for that buffer or image (function <code>vkGetBufferMemoryRequirements()</code>) and uses only one of these types.</p>
|
||||
<p>If no memory type can be found that meets all the requirements, these functions return <code>VK_ERROR_FEATURE_NOT_PRESENT</code>.</p>
|
||||
@ -88,7 +88,7 @@ Usage</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line">VkBuffer buffer;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
</div><!-- fragment --><h1><a class="anchor" id="choosing_memory_type_required_preferred_flags"></a>
|
||||
Required and preferred flags</h1>
|
||||
<p>You can specify more detailed requirements by filling members <a class="el" href="struct_vma_allocation_create_info.html#a9166390303ff42d783305bc31c2b6b90" title="Flags that must be set in a Memory Type chosen for an allocation.">VmaAllocationCreateInfo::requiredFlags</a> and <a class="el" href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d" title="Flags that preferably should be set in a memory type chosen for an allocation.">VmaAllocationCreateInfo::preferredFlags</a> with a combination of bits from enum <code>VkMemoryPropertyFlags</code>. For example, if you want to create a buffer that will be persistently mapped on host (so it must be <code>HOST_VISIBLE</code>) and preferably will also be <code>HOST_COHERENT</code> and <code>HOST_CACHED</code>, use following code:</p>
|
||||
@ -99,7 +99,7 @@ Required and preferred flags</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line">VkBuffer buffer;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
</div><!-- fragment --><p>A memory type is chosen that has all the required flags and as many preferred flags set as possible.</p>
|
||||
<p>If you use <a class="el" href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910" title="Intended usage of memory.">VmaAllocationCreateInfo::usage</a>, it is just internally converted to a set of required and preferred flags.</p>
|
||||
<h1><a class="anchor" id="choosing_memory_type_explicit_memory_types"></a>
|
||||
@ -113,7 +113,7 @@ Explicit memory types</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line">VkBuffer buffer;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
</div><!-- fragment --><h1><a class="anchor" id="choosing_memory_type_custom_memory_pools"></a>
|
||||
Custom memory pools</h1>
|
||||
<p>If you allocate from custom memory pool, all the ways of specifying memory requirements described above are not applicable and the aforementioned members of <a class="el" href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a> structure are ignored. Memory type is selected explicitly when creating the pool and then used to make all the allocations from that pool. For further details, see <a class="el" href="custom_memory_pools.html">Custom memory pools</a>.</p>
|
||||
@ -127,16 +127,16 @@ Dedicated allocations</h1>
|
||||
</ul>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a9166390303ff42d783305bc31c2b6b90"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a9166390303ff42d783305bc31c2b6b90">VmaAllocationCreateInfo::requiredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags requiredFlags</div><div class="ttdoc">Flags that must be set in a Memory Type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2407</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdoc">Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2313</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a7fe8d81a1ad10b2a2faacacee5b15d6d"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo::preferredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags preferredFlags</div><div class="ttdoc">Flags that preferably should be set in a memory type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2412</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a3bf940c0271d85d6ba32a4d820075055"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a3bf940c0271d85d6ba32a4d820075055">VmaAllocationCreateInfo::memoryTypeBits</a></div><div class="ttdeci">uint32_t memoryTypeBits</div><div class="ttdoc">Bitmask containing one bit set for every memory type acceptable for this allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2420</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a9166390303ff42d783305bc31c2b6b90"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a9166390303ff42d783305bc31c2b6b90">VmaAllocationCreateInfo::requiredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags requiredFlags</div><div class="ttdoc">Flags that must be set in a Memory Type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2410</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdoc">Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2316</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2399</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a7fe8d81a1ad10b2a2faacacee5b15d6d"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo::preferredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags preferredFlags</div><div class="ttdoc">Flags that preferably should be set in a memory type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2415</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a3bf940c0271d85d6ba32a4d820075055"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a3bf940c0271d85d6ba32a4d820075055">VmaAllocationCreateInfo::memoryTypeBits</a></div><div class="ttdeci">uint32_t memoryTypeBits</div><div class="ttdoc">Bitmask containing one bit set for every memory type acceptable for this allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2423</div></div>
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated by  <a href="http://www.doxygen.org/index.html">
|
||||
|
||||
@ -76,7 +76,7 @@ $(function() {
|
||||
<p>To use custom memory pools:</p>
|
||||
<ol type="1">
|
||||
<li>Fill <a class="el" href="struct_vma_pool_create_info.html" title="Describes parameter of created VmaPool.">VmaPoolCreateInfo</a> structure.</li>
|
||||
<li>Call <a class="el" href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57" title="Allocates Vulkan device memory and creates VmaPool object.">vmaCreatePool()</a> to obtain <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> handle.</li>
|
||||
<li>Call <a class="el" href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50" title="Allocates Vulkan device memory and creates VmaPool object.">vmaCreatePool()</a> to obtain <a class="el" href="struct_vma_pool.html" title="Represents custom memory pool.">VmaPool</a> handle.</li>
|
||||
<li>When making an allocation, set <a class="el" href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150" title="Pool that this allocation should be created in.">VmaAllocationCreateInfo::pool</a> to this handle. You don't need to specify any other parameters of this structure, like <code>usage</code>.</li>
|
||||
</ol>
|
||||
<p>Example:</p>
|
||||
@ -87,7 +87,7 @@ $(function() {
|
||||
<div class="line">poolCreateInfo.<a class="code" href="struct_vma_pool_create_info.html#ae41142f2834fcdc82baa4883c187b75c">maxBlockCount</a> = 2;</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="struct_vma_pool.html">VmaPool</a> pool;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57">vmaCreatePool</a>(allocator, &poolCreateInfo, &pool);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50">vmaCreatePool</a>(allocator, &poolCreateInfo, &pool);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="comment">// Allocate a buffer out of it.</span></div>
|
||||
<div class="line">VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };</div>
|
||||
@ -100,13 +100,13 @@ $(function() {
|
||||
<div class="line">VkBuffer buf;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> alloc;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
</div><!-- fragment --><p>You have to free all allocations made from this pool before destroying it.</p>
|
||||
<div class="fragment"><div class="line"><a class="code" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a>(allocator, buf, alloc);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a11693ab08f65761a142c466c5eceb849">vmaDestroyPool</a>(allocator, pool);</div>
|
||||
<div class="fragment"><div class="line"><a class="code" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a>(allocator, buf, alloc);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a5485779c8f1948238fc4e92232fa65e1">vmaDestroyPool</a>(allocator, pool);</div>
|
||||
</div><!-- fragment --><h1><a class="anchor" id="custom_memory_pools_MemTypeIndex"></a>
|
||||
Choosing memory type index</h1>
|
||||
<p>When creating a pool, you must explicitly specify memory type index. To find the one suitable for your buffers or images, you can use helper functions <a class="el" href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc" title="Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForBufferInfo()</a>, <a class="el" href="vk__mem__alloc_8h.html#a359c5187b7004880945f0e3debba91b9" title="Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForImageInfo()</a>. You need to provide structures with example parameters of buffers or images that you are going to create in that pool.</p>
|
||||
<p>When creating a pool, you must explicitly specify memory type index. To find the one suitable for your buffers or images, you can use helper functions <a class="el" href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888" title="Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForBufferInfo()</a>, <a class="el" href="vk__mem__alloc_8h.html#a088da83d8eaf3ce9056d9ea0b981d472" title="Helps to find memoryTypeIndex, given VkImageCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForImageInfo()</a>. You need to provide structures with example parameters of buffers or images that you are going to create in that pool.</p>
|
||||
<div class="fragment"><div class="line">VkBufferCreateInfo exampleBufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };</div>
|
||||
<div class="line">exampleBufCreateInfo.size = 1024; <span class="comment">// Whatever.</span></div>
|
||||
<div class="line">exampleBufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT; <span class="comment">// Change if needed.</span></div>
|
||||
@ -115,7 +115,7 @@ Choosing memory type index</h1>
|
||||
<div class="line">allocCreateInfo.<a class="code" href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">usage</a> = <a class="code" href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a>; <span class="comment">// Change if needed.</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line">uint32_t memTypeIndex;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc">vmaFindMemoryTypeIndexForBufferInfo</a>(allocator, &exampleBufCreateInfo, &allocCreateInfo, &memTypeIndex);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888">vmaFindMemoryTypeIndexForBufferInfo</a>(allocator, &exampleBufCreateInfo, &allocCreateInfo, &memTypeIndex);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="struct_vma_pool_create_info.html">VmaPoolCreateInfo</a> poolCreateInfo = {};</div>
|
||||
<div class="line">poolCreateInfo.<a class="code" href="struct_vma_pool_create_info.html#a596fa76b685d3f1f688f84a709a5b319">memoryTypeIndex</a> = memTypeIndex;</div>
|
||||
@ -134,7 +134,7 @@ Linear allocation algorithm</h1>
|
||||
<p>With this one flag, you can create a custom pool that can be used in many ways: free-at-once, stack, double stack, and ring buffer. See below for details.</p>
|
||||
<h2><a class="anchor" id="linear_algorithm_free_at_once"></a>
|
||||
Free-at-once</h2>
|
||||
<p>In a pool that uses linear algorithm, you still need to free all the allocations individually, e.g. by using <a class="el" href="vk__mem__alloc_8h.html#a0438b3d982473eb1c93c77c7ab3212e1" title="Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(),...">vmaFreeMemory()</a> or <a class="el" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea" title="Destroys Vulkan buffer and frees allocated memory.">vmaDestroyBuffer()</a>. You can free them in any order. New allocations are always made after last one - free space in the middle is not reused. However, when you release all the allocation and the pool becomes empty, allocation starts from the beginning again. This way you can use linear algorithm to speed up creation of allocations that you are going to release all at once.</p>
|
||||
<p>In a pool that uses linear algorithm, you still need to free all the allocations individually, e.g. by using <a class="el" href="vk__mem__alloc_8h.html#a11f0fbc034fa81a4efedd73d61ce7568" title="Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(),...">vmaFreeMemory()</a> or <a class="el" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77" title="Destroys Vulkan buffer and frees allocated memory.">vmaDestroyBuffer()</a>. You can free them in any order. New allocations are always made after last one - free space in the middle is not reused. However, when you release all the allocation and the pool becomes empty, allocation starts from the beginning again. This way you can use linear algorithm to speed up creation of allocations that you are going to release all at once.</p>
|
||||
<p><img src="../gfx/Linear_allocator_3_free_at_once.png" alt="Free-at-once" class="inline"/></p>
|
||||
<p>This mode is also available for pools created with <a class="el" href="struct_vma_pool_create_info.html#ae41142f2834fcdc82baa4883c187b75c" title="Maximum number of blocks that can be allocated in this pool. Optional.">VmaPoolCreateInfo::maxBlockCount</a> value that allows multiple memory blocks.</p>
|
||||
<h2><a class="anchor" id="linear_algorithm_stack"></a>
|
||||
@ -176,21 +176,21 @@ Buddy allocation algorithm</h1>
|
||||
</ul>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a425905e868e4b487b5188f9d834dacbc"><div class="ttname"><a href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc">vmaFindMemoryTypeIndexForBufferInfo</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaFindMemoryTypeIndexForBufferInfo(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, uint32_t *pMemoryTypeIndex)</div><div class="ttdoc">Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html_a596fa76b685d3f1f688f84a709a5b319"><div class="ttname"><a href="struct_vma_pool_create_info.html#a596fa76b685d3f1f688f84a709a5b319">VmaPoolCreateInfo::memoryTypeIndex</a></div><div class="ttdeci">uint32_t memoryTypeIndex</div><div class="ttdoc">Vulkan memory type index to allocate this pool from.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2558</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a11693ab08f65761a142c466c5eceb849"><div class="ttname"><a href="vk__mem__alloc_8h.html#a11693ab08f65761a142c466c5eceb849">vmaDestroyPool</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaDestroyPool(VmaAllocator allocator, VmaPool pool)</div><div class="ttdoc">Destroys VmaPool object and frees Vulkan device memory.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a6272c0555cfd1fe28bff1afeb6190150"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150">VmaAllocationCreateInfo::pool</a></div><div class="ttdeci">VmaPool pool</div><div class="ttdoc">Pool that this allocation should be created in.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2426</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html_a596fa76b685d3f1f688f84a709a5b319"><div class="ttname"><a href="struct_vma_pool_create_info.html#a596fa76b685d3f1f688f84a709a5b319">VmaPoolCreateInfo::memoryTypeIndex</a></div><div class="ttdeci">uint32_t memoryTypeIndex</div><div class="ttdoc">Vulkan memory type index to allocate this pool from.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2561</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a6272c0555cfd1fe28bff1afeb6190150"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150">VmaAllocationCreateInfo::pool</a></div><div class="ttdeci">VmaPool pool</div><div class="ttdoc">Pool that this allocation should be created in.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2429</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a5485779c8f1948238fc4e92232fa65e1"><div class="ttname"><a href="vk__mem__alloc_8h.html#a5485779c8f1948238fc4e92232fa65e1">vmaDestroyPool</a></div><div class="ttdeci">void vmaDestroyPool(VmaAllocator allocator, VmaPool pool)</div><div class="ttdoc">Destroys VmaPool object and frees Vulkan device memory.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a3fa3daa743fcc950253f676aa8a323ea"><div class="ttname"><a href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html_ae41142f2834fcdc82baa4883c187b75c"><div class="ttname"><a href="struct_vma_pool_create_info.html#ae41142f2834fcdc82baa4883c187b75c">VmaPoolCreateInfo::maxBlockCount</a></div><div class="ttdeci">size_t maxBlockCount</div><div class="ttdoc">Maximum number of blocks that can be allocated in this pool. Optional.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2583</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html"><div class="ttname"><a href="struct_vma_pool_create_info.html">VmaPoolCreateInfo</a></div><div class="ttdoc">Describes parameter of created VmaPool.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2555</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a5c8770ded7c59c8caac6de0c2cb00b50"><div class="ttname"><a href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50">vmaCreatePool</a></div><div class="ttdeci">VkResult vmaCreatePool(VmaAllocator allocator, const VmaPoolCreateInfo *pCreateInfo, VmaPool *pPool)</div><div class="ttdoc">Allocates Vulkan device memory and creates VmaPool object.</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html_ae41142f2834fcdc82baa4883c187b75c"><div class="ttname"><a href="struct_vma_pool_create_info.html#ae41142f2834fcdc82baa4883c187b75c">VmaPoolCreateInfo::maxBlockCount</a></div><div class="ttdeci">size_t maxBlockCount</div><div class="ttdoc">Maximum number of blocks that can be allocated in this pool. Optional.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2586</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_create_info_html"><div class="ttname"><a href="struct_vma_pool_create_info.html">VmaPoolCreateInfo</a></div><div class="ttdoc">Describes parameter of created VmaPool.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2558</div></div>
|
||||
<div class="ttc" id="astruct_vma_pool_html"><div class="ttname"><a href="struct_vma_pool.html">VmaPool</a></div><div class="ttdoc">Represents custom memory pool.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aee3406ab6b195cd85207ca2ef2d13a57"><div class="ttname"><a href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57">vmaCreatePool</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreatePool(VmaAllocator allocator, const VmaPoolCreateInfo *pCreateInfo, VmaPool *pPool)</div><div class="ttdoc">Allocates Vulkan device memory and creates VmaPool object.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2710</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ae790ab9ffaf7667fb8f62523e6897888"><div class="ttname"><a href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888">vmaFindMemoryTypeIndexForBufferInfo</a></div><div class="ttdeci">VkResult vmaFindMemoryTypeIndexForBufferInfo(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, uint32_t *pMemoryTypeIndex)</div><div class="ttdoc">Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a0d9f4e4ba5bf9aab1f1c746387753d77"><div class="ttname"><a href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a></div><div class="ttdeci">void vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2734</div></div>
|
||||
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|
||||
@ -96,7 +96,7 @@ Corruption detection</h1>
|
||||
<div class="line"><span class="preprocessor">#include "vk_mem_alloc.h"</span></div>
|
||||
</div><!-- fragment --><p>When this feature is enabled, number of bytes specified as <code>VMA_DEBUG_MARGIN</code> (it must be multiply of 4) before and after every allocation is filled with a magic number. This idea is also know as "canary". Memory is automatically mapped and unmapped if necessary.</p>
|
||||
<p>This number is validated automatically when the allocation is destroyed. If it's not equal to the expected value, <code>VMA_ASSERT()</code> is executed. It clearly means that either CPU or GPU overwritten the memory outside of boundaries of the allocation, which indicates a serious bug.</p>
|
||||
<p>You can also explicitly request checking margins of all allocations in all memory blocks that belong to specified memory types by using function <a class="el" href="vk__mem__alloc_8h.html#a6e53d9caa4368576cf351300b64ef8f4" title="Checks magic number in margins around all allocations in given memory types (in both default and cust...">vmaCheckCorruption()</a>, or in memory blocks that belong to specified custom pool, by using function <a class="el" href="vk__mem__alloc_8h.html#a6bdc403637fe34c4dbb7f7de39357e02" title="Checks magic number in margins around all allocations in given memory pool in search for corruptions.">vmaCheckPoolCorruption()</a>.</p>
|
||||
<p>You can also explicitly request checking margins of all allocations in all memory blocks that belong to specified memory types by using function <a class="el" href="vk__mem__alloc_8h.html#a49329a7f030dafcf82f7b73334c22e98" title="Checks magic number in margins around all allocations in given memory types (in both default and cust...">vmaCheckCorruption()</a>, or in memory blocks that belong to specified custom pool, by using function <a class="el" href="vk__mem__alloc_8h.html#ad535935619c7a549bf837e1bb0068f89" title="Checks magic number in margins around all allocations in given memory pool in search for corruptions.">vmaCheckPoolCorruption()</a>.</p>
|
||||
<p>Margin validation (corruption detection) works only for memory types that are <code>HOST_VISIBLE</code> and <code>HOST_COHERENT</code>. </p>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
|
||||
@ -66,15 +66,15 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
<div class="textblock"><p>Interleaved allocations and deallocations of many objects of varying size can cause fragmentation over time, which can lead to a situation where the library is unable to find a continuous range of free memory for a new allocation despite there is enough free space, just scattered across many small free ranges between existing allocations.</p>
|
||||
<p>To mitigate this problem, you can use defragmentation feature: structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a>, function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>, <a class="el" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9" title="Ends defragmentation process.">vmaDefragmentationEnd()</a>. Given set of allocations, this function can move them to compact used memory, ensure more continuous free space and possibly also free some <code>VkDeviceMemory</code> blocks.</p>
|
||||
<p>To mitigate this problem, you can use defragmentation feature: structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a>, function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>, <a class="el" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2" title="Ends defragmentation process.">vmaDefragmentationEnd()</a>. Given set of allocations, this function can move them to compact used memory, ensure more continuous free space and possibly also free some <code>VkDeviceMemory</code> blocks.</p>
|
||||
<p>What the defragmentation does is:</p>
|
||||
<ul>
|
||||
<li>Updates <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects to point to new <code>VkDeviceMemory</code> and offset. After allocation has been moved, its <a class="el" href="struct_vma_allocation_info.html#ae0bfb7dfdf79a76ffefc9a94677a2f67" title="Handle to Vulkan memory object.">VmaAllocationInfo::deviceMemory</a> and/or <a class="el" href="struct_vma_allocation_info.html#a4a3c732388dbdc7a23f9365b00825268" title="Offset into deviceMemory object to the beginning of this allocation, in bytes. (deviceMemory,...">VmaAllocationInfo::offset</a> changes. You must query them again using <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you need them.</li>
|
||||
<li>Updates <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects to point to new <code>VkDeviceMemory</code> and offset. After allocation has been moved, its <a class="el" href="struct_vma_allocation_info.html#ae0bfb7dfdf79a76ffefc9a94677a2f67" title="Handle to Vulkan memory object.">VmaAllocationInfo::deviceMemory</a> and/or <a class="el" href="struct_vma_allocation_info.html#a4a3c732388dbdc7a23f9365b00825268" title="Offset into deviceMemory object to the beginning of this allocation, in bytes. (deviceMemory,...">VmaAllocationInfo::offset</a> changes. You must query them again using <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you need them.</li>
|
||||
<li>Moves actual data in memory.</li>
|
||||
</ul>
|
||||
<p>What it doesn't do, so you need to do it yourself:</p>
|
||||
<ul>
|
||||
<li>Recreate buffers and images that were bound to allocations that were defragmented and bind them with their new places in memory. You must use <code>vkDestroyBuffer()</code>, <code>vkDestroyImage()</code>, <code>vkCreateBuffer()</code>, <code>vkCreateImage()</code>, <a class="el" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40" title="Binds buffer to allocation.">vmaBindBufferMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a9681b4996d0d33ad0bc811fc7394d272" title="Binds image to allocation.">vmaBindImageMemory()</a> for that purpose and NOT <a class="el" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea" title="Destroys Vulkan buffer and frees allocated memory.">vmaDestroyBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a6d7d34a7e2ef515a2734bdfdf7a76a9f" title="Destroys Vulkan image and frees allocated memory.">vmaDestroyImage()</a>, <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>, because you don't need to destroy or create allocation objects!</li>
|
||||
<li>Recreate buffers and images that were bound to allocations that were defragmented and bind them with their new places in memory. You must use <code>vkDestroyBuffer()</code>, <code>vkDestroyImage()</code>, <code>vkCreateBuffer()</code>, <code>vkCreateImage()</code>, <a class="el" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470" title="Binds buffer to allocation.">vmaBindBufferMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a3d3ca45799923aa5d138e9e5f9eb2da5" title="Binds image to allocation.">vmaBindImageMemory()</a> for that purpose and NOT <a class="el" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77" title="Destroys Vulkan buffer and frees allocated memory.">vmaDestroyBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#ae50d2cb3b4a3bfd4dd40987234e50e7e" title="Destroys Vulkan image and frees allocated memory.">vmaDestroyImage()</a>, <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>, because you don't need to destroy or create allocation objects!</li>
|
||||
<li>Recreate views and update descriptors that point to these buffers and images.</li>
|
||||
</ul>
|
||||
<h1><a class="anchor" id="defragmentation_cpu"></a>
|
||||
@ -103,8 +103,8 @@ Defragmenting CPU memory</h1>
|
||||
<div class="line">defragInfo.<a class="code" href="struct_vma_defragmentation_info2.html#a94c2c7223d52878445a8cccce396b671">maxCpuAllocationsToMove</a> = UINT32_MAX; <span class="comment">// No limit.</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="struct_vma_defragmentation_context.html">VmaDefragmentationContext</a> defragCtx;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7">vmaDefragmentationBegin</a>(allocator, &defragInfo, <span class="keyword">nullptr</span>, &defragCtx);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9">vmaDefragmentationEnd</a>(allocator, defragCtx);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a">vmaDefragmentationBegin</a>(allocator, &defragInfo, <span class="keyword">nullptr</span>, &defragCtx);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2">vmaDefragmentationEnd</a>(allocator, defragCtx);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="keywordflow">for</span>(uint32_t i = 0; i < allocCount; ++i)</div>
|
||||
<div class="line">{</div>
|
||||
@ -121,11 +121,11 @@ Defragmenting CPU memory</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line"> <span class="comment">// Bind new buffer to new memory region. Data contained in it is already moved.</span></div>
|
||||
<div class="line"> <a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a>(allocator, allocations[i], &allocInfo);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40">vmaBindBufferMemory</a>(allocator, allocations[i], buffers[i]);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocations[i], &allocInfo);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470">vmaBindBufferMemory</a>(allocator, allocations[i], buffers[i]);</div>
|
||||
<div class="line"> }</div>
|
||||
<div class="line">}</div>
|
||||
</div><!-- fragment --><p>Setting <a class="el" href="struct_vma_defragmentation_info2.html#a76d51a644dc7f5405d0cdd0025ecd0cc" title="Optional, output. Pointer to array that will be filled with information whether the allocation at cer...">VmaDefragmentationInfo2::pAllocationsChanged</a> is optional. This output array tells whether particular allocation in <a class="el" href="struct_vma_defragmentation_info2.html#a8943f8d65969ce8e2189a1cdf3205e96" title="Pointer to array of allocations that can be defragmented.">VmaDefragmentationInfo2::pAllocations</a> at the same index has been modified during defragmentation. You can pass null, but you then need to query every allocation passed to defragmentation for new parameters using <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you might need to recreate and rebind a buffer or image associated with it.</p>
|
||||
</div><!-- fragment --><p>Setting <a class="el" href="struct_vma_defragmentation_info2.html#a76d51a644dc7f5405d0cdd0025ecd0cc" title="Optional, output. Pointer to array that will be filled with information whether the allocation at cer...">VmaDefragmentationInfo2::pAllocationsChanged</a> is optional. This output array tells whether particular allocation in <a class="el" href="struct_vma_defragmentation_info2.html#a8943f8d65969ce8e2189a1cdf3205e96" title="Pointer to array of allocations that can be defragmented.">VmaDefragmentationInfo2::pAllocations</a> at the same index has been modified during defragmentation. You can pass null, but you then need to query every allocation passed to defragmentation for new parameters using <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you might need to recreate and rebind a buffer or image associated with it.</p>
|
||||
<p>If you use <a class="el" href="choosing_memory_type.html#choosing_memory_type_custom_memory_pools">Custom memory pools</a>, you can fill <a class="el" href="struct_vma_defragmentation_info2.html#a7e70aa2a1081d849dcc7829b19d3ec9d" title="Numer of pools in pPools array.">VmaDefragmentationInfo2::poolCount</a> and <a class="el" href="struct_vma_defragmentation_info2.html#a0b3effd57f3fcdeb2ed62210b4ef20e1" title="Either null or pointer to array of pools to be defragmented.">VmaDefragmentationInfo2::pPools</a> instead of <a class="el" href="struct_vma_defragmentation_info2.html#a3cf86ab32c1da779b4923d301a3056ba" title="Number of allocations in pAllocations array.">VmaDefragmentationInfo2::allocationCount</a> and <a class="el" href="struct_vma_defragmentation_info2.html#a8943f8d65969ce8e2189a1cdf3205e96" title="Pointer to array of allocations that can be defragmented.">VmaDefragmentationInfo2::pAllocations</a> to defragment all allocations in given pools. You cannot use <a class="el" href="struct_vma_defragmentation_info2.html#a76d51a644dc7f5405d0cdd0025ecd0cc" title="Optional, output. Pointer to array that will be filled with information whether the allocation at cer...">VmaDefragmentationInfo2::pAllocationsChanged</a> in that case. You can also combine both methods.</p>
|
||||
<h1><a class="anchor" id="defragmentation_gpu"></a>
|
||||
Defragmenting GPU memory</h1>
|
||||
@ -158,14 +158,14 @@ Defragmenting GPU memory</h1>
|
||||
<div class="line">defragInfo.<a class="code" href="struct_vma_defragmentation_info2.html#a7f71f39590c5316771493d2333f9c1bd">commandBuffer</a> = commandBuffer;</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="struct_vma_defragmentation_context.html">VmaDefragmentationContext</a> defragCtx;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7">vmaDefragmentationBegin</a>(allocator, &defragInfo, <span class="keyword">nullptr</span>, &defragCtx);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a">vmaDefragmentationBegin</a>(allocator, &defragInfo, <span class="keyword">nullptr</span>, &defragCtx);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line">vkEndCommandBuffer(commandBuffer);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="comment">// Submit commandBuffer.</span></div>
|
||||
<div class="line"><span class="comment">// Wait for a fence that ensures commandBuffer execution finished.</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9">vmaDefragmentationEnd</a>(allocator, defragCtx);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2">vmaDefragmentationEnd</a>(allocator, defragCtx);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="keywordflow">for</span>(uint32_t i = 0; i < allocCount; ++i)</div>
|
||||
<div class="line">{</div>
|
||||
@ -182,12 +182,12 @@ Defragmenting GPU memory</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line"> <span class="comment">// Bind new buffer to new memory region. Data contained in it is already moved.</span></div>
|
||||
<div class="line"> <a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a>(allocator, allocations[i], &allocInfo);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40">vmaBindBufferMemory</a>(allocator, allocations[i], buffers[i]);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocations[i], &allocInfo);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470">vmaBindBufferMemory</a>(allocator, allocations[i], buffers[i]);</div>
|
||||
<div class="line"> }</div>
|
||||
<div class="line">}</div>
|
||||
</div><!-- fragment --><p>You can combine these two methods by specifying non-zero <code>maxGpu*</code> as well as <code>maxCpu*</code> parameters. The library automatically chooses best method to defragment each memory pool.</p>
|
||||
<p>You may try not to block your entire program to wait until defragmentation finishes, but do it in the background, as long as you carefully fullfill requirements described in function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>.</p>
|
||||
<p>You may try not to block your entire program to wait until defragmentation finishes, but do it in the background, as long as you carefully fullfill requirements described in function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>.</p>
|
||||
<h1><a class="anchor" id="defragmentation_additional_notes"></a>
|
||||
Additional notes</h1>
|
||||
<p>It is only legal to defragment allocations bound to:</p>
|
||||
@ -210,22 +210,22 @@ Writing custom defragmentation algorithm</h1>
|
||||
</ol>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a3cf86ab32c1da779b4923d301a3056ba"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a3cf86ab32c1da779b4923d301a3056ba">VmaDefragmentationInfo2::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of allocations in pAllocations array.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3046</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a3cf86ab32c1da779b4923d301a3056ba"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a3cf86ab32c1da779b4923d301a3056ba">VmaDefragmentationInfo2::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of allocations in pAllocations array.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3070</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_html"><div class="ttname"><a href="struct_vma_allocator.html">VmaAllocator</a></div><div class="ttdoc">Represents main object of this library initialized.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a055cbf8d000a019a6270c66b46f0cb40"><div class="ttname"><a href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40">vmaBindBufferMemory</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory(VmaAllocator allocator, VmaAllocation allocation, VkBuffer buffer)</div><div class="ttdoc">Binds buffer to allocation.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a4ddbc898d0afe1518f863a3763628f08"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a4ddbc898d0afe1518f863a3763628f08">VmaDefragmentationInfo2::maxGpuBytesToMove</a></div><div class="ttdeci">VkDeviceSize maxGpuBytesToMove</div><div class="ttdoc">Maximum total numbers of bytes that can be copied while moving allocations to different places using ...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3095</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a7f71f39590c5316771493d2333f9c1bd"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a7f71f39590c5316771493d2333f9c1bd">VmaDefragmentationInfo2::commandBuffer</a></div><div class="ttdeci">VkCommandBuffer commandBuffer</div><div class="ttdoc">Optional. Command buffer where GPU copy commands will be posted.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3109</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a5e9d96ef2cbd8263cc523da91d1b40c9"><div class="ttname"><a href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9">vmaDefragmentationEnd</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationEnd(VmaAllocator allocator, VmaDefragmentationContext context)</div><div class="ttdoc">Ends defragmentation process.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html"><div class="ttname"><a href="struct_vma_defragmentation_info2.html">VmaDefragmentationInfo2</a></div><div class="ttdoc">Parameters for defragmentation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3040</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a696fc71963b7711cc0db3cc2225d0cd7"><div class="ttname"><a href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7">vmaDefragmentationBegin</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaDefragmentationBegin(VmaAllocator allocator, const VmaDefragmentationInfo2 *pInfo, VmaDefragmentationStats *pStats, VmaDefragmentationContext *pContext)</div><div class="ttdoc">Begins defragmentation process.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a40d53d33e71ba0b66f844ed63c05a3f6"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a40d53d33e71ba0b66f844ed63c05a3f6">VmaDefragmentationInfo2::maxGpuAllocationsToMove</a></div><div class="ttdeci">uint32_t maxGpuAllocationsToMove</div><div class="ttdoc">Maximum number of allocations that can be moved to a different place using transfers on GPU side,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3100</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_af78e1ea40c22d85137b65f6b384a4d0a"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#af78e1ea40c22d85137b65f6b384a4d0a">VmaDefragmentationInfo2::maxCpuBytesToMove</a></div><div class="ttdeci">VkDeviceSize maxCpuBytesToMove</div><div class="ttdoc">Maximum total numbers of bytes that can be copied while moving allocations to different places using ...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3085</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a76d51a644dc7f5405d0cdd0025ecd0cc"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a76d51a644dc7f5405d0cdd0025ecd0cc">VmaDefragmentationInfo2::pAllocationsChanged</a></div><div class="ttdeci">VkBool32 * pAllocationsChanged</div><div class="ttdoc">Optional, output. Pointer to array that will be filled with information whether the allocation at cer...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3061</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2710</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ae10b53588f197141c6e88a1f5ec34789"><div class="ttname"><a href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vmaGetAllocationInfo</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation and atomically marks it as used in current fra...</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a86dd08aba8633bfa4ad0df2e76481d8b"><div class="ttname"><a href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a></div><div class="ttdeci">void vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation and atomically marks it as used in current fra...</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a8774e20e91e245aae959ba63efa15dd2"><div class="ttname"><a href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2">vmaDefragmentationEnd</a></div><div class="ttdeci">VkResult vmaDefragmentationEnd(VmaAllocator allocator, VmaDefragmentationContext context)</div><div class="ttdoc">Ends defragmentation process.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a4ddbc898d0afe1518f863a3763628f08"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a4ddbc898d0afe1518f863a3763628f08">VmaDefragmentationInfo2::maxGpuBytesToMove</a></div><div class="ttdeci">VkDeviceSize maxGpuBytesToMove</div><div class="ttdoc">Maximum total numbers of bytes that can be copied while moving allocations to different places using ...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3119</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a7f71f39590c5316771493d2333f9c1bd"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a7f71f39590c5316771493d2333f9c1bd">VmaDefragmentationInfo2::commandBuffer</a></div><div class="ttdeci">VkCommandBuffer commandBuffer</div><div class="ttdoc">Optional. Command buffer where GPU copy commands will be posted.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3133</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html"><div class="ttname"><a href="struct_vma_defragmentation_info2.html">VmaDefragmentationInfo2</a></div><div class="ttdoc">Parameters for defragmentation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3064</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a6b0929b914b60cf2d45cac4bf3547470"><div class="ttname"><a href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470">vmaBindBufferMemory</a></div><div class="ttdeci">VkResult vmaBindBufferMemory(VmaAllocator allocator, VmaAllocation allocation, VkBuffer buffer)</div><div class="ttdoc">Binds buffer to allocation.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a40d53d33e71ba0b66f844ed63c05a3f6"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a40d53d33e71ba0b66f844ed63c05a3f6">VmaDefragmentationInfo2::maxGpuAllocationsToMove</a></div><div class="ttdeci">uint32_t maxGpuAllocationsToMove</div><div class="ttdoc">Maximum number of allocations that can be moved to a different place using transfers on GPU side,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3124</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_af78e1ea40c22d85137b65f6b384a4d0a"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#af78e1ea40c22d85137b65f6b384a4d0a">VmaDefragmentationInfo2::maxCpuBytesToMove</a></div><div class="ttdeci">VkDeviceSize maxCpuBytesToMove</div><div class="ttdoc">Maximum total numbers of bytes that can be copied while moving allocations to different places using ...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3109</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a36ba776fd7fd5cb1e9359fdc0d8e6e8a"><div class="ttname"><a href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a">vmaDefragmentationBegin</a></div><div class="ttdeci">VkResult vmaDefragmentationBegin(VmaAllocator allocator, const VmaDefragmentationInfo2 *pInfo, VmaDefragmentationStats *pStats, VmaDefragmentationContext *pContext)</div><div class="ttdoc">Begins defragmentation process.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a76d51a644dc7f5405d0cdd0025ecd0cc"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a76d51a644dc7f5405d0cdd0025ecd0cc">VmaDefragmentationInfo2::pAllocationsChanged</a></div><div class="ttdeci">VkBool32 * pAllocationsChanged</div><div class="ttdoc">Optional, output. Pointer to array that will be filled with information whether the allocation at cer...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3085</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2734</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_context_html"><div class="ttname"><a href="struct_vma_defragmentation_context.html">VmaDefragmentationContext</a></div><div class="ttdoc">Represents Opaque object that represents started defragmentation process.</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a8943f8d65969ce8e2189a1cdf3205e96"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a8943f8d65969ce8e2189a1cdf3205e96">VmaDefragmentationInfo2::pAllocations</a></div><div class="ttdeci">VmaAllocation * pAllocations</div><div class="ttdoc">Pointer to array of allocations that can be defragmented.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3055</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a94c2c7223d52878445a8cccce396b671"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a94c2c7223d52878445a8cccce396b671">VmaDefragmentationInfo2::maxCpuAllocationsToMove</a></div><div class="ttdeci">uint32_t maxCpuAllocationsToMove</div><div class="ttdoc">Maximum number of allocations that can be moved to a different place using transfers on CPU side,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3090</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a8943f8d65969ce8e2189a1cdf3205e96"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a8943f8d65969ce8e2189a1cdf3205e96">VmaDefragmentationInfo2::pAllocations</a></div><div class="ttdeci">VmaAllocation * pAllocations</div><div class="ttdoc">Pointer to array of allocations that can be defragmented.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3079</div></div>
|
||||
<div class="ttc" id="astruct_vma_defragmentation_info2_html_a94c2c7223d52878445a8cccce396b671"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#a94c2c7223d52878445a8cccce396b671">VmaDefragmentationInfo2::maxCpuAllocationsToMove</a></div><div class="ttdeci">uint32_t maxCpuAllocationsToMove</div><div class="ttdoc">Maximum number of allocations that can be moved to a different place using transfers on CPU side,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:3114</div></div>
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated by  <a href="http://www.doxygen.org/index.html">
|
||||
|
||||
@ -66,10 +66,10 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
<div class="textblock"><dl class="reflist">
|
||||
<dt>Member <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c">vmaDefragment</a> (<a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> *pAllocations, size_t allocationCount, VkBool32 *pAllocationsChanged, const <a class="el" href="struct_vma_defragmentation_info.html" title="Deprecated. Optional configuration parameters to be passed to function vmaDefragment().">VmaDefragmentationInfo</a> *pDefragmentationInfo, <a class="el" href="struct_vma_defragmentation_stats.html" title="Statistics returned by function vmaDefragment().">VmaDefragmentationStats</a> *pDefragmentationStats)</dt>
|
||||
<dd><a class="anchor" id="_deprecated000002"></a>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd>
|
||||
<dt>Member <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb">vmaDefragment</a> (<a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> *pAllocations, size_t allocationCount, VkBool32 *pAllocationsChanged, const <a class="el" href="struct_vma_defragmentation_info.html" title="Deprecated. Optional configuration parameters to be passed to function vmaDefragment().">VmaDefragmentationInfo</a> *pDefragmentationInfo, <a class="el" href="struct_vma_defragmentation_stats.html" title="Statistics returned by function vmaDefragment().">VmaDefragmentationStats</a> *pDefragmentationStats)</dt>
|
||||
<dd><a class="anchor" id="_deprecated000002"></a>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd>
|
||||
<dt>Member <a class="el" href="vk__mem__alloc_8h.html#ae67f8573a0cf20f16f0a1eecbca566a0">VmaDefragmentationInfo</a> </dt>
|
||||
<dd><a class="anchor" id="_deprecated000001"></a>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd>
|
||||
<dd><a class="anchor" id="_deprecated000001"></a>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd>
|
||||
</dl>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
|
||||
@ -71,7 +71,7 @@ Thread safety</h1>
|
||||
<li>The library has no global state, so separate <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> objects can be used independently. There should be no need to create multiple such objects though - one per <code>VkDevice</code> is enough.</li>
|
||||
<li>By default, all calls to functions that take <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> as first parameter are safe to call from multiple threads simultaneously because they are synchronized internally when needed.</li>
|
||||
<li>When the allocator is created with <a class="el" href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7ca4816ddaed324ba110172ca608a20f29d" title="Allocator and all objects created from it will not be synchronized internally, so you must guarantee ...">VMA_ALLOCATOR_CREATE_EXTERNALLY_SYNCHRONIZED_BIT</a> flag, calls to functions that take such <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> object must be synchronized externally.</li>
|
||||
<li>Access to a <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object must be externally synchronized. For example, you must not call <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> from different threads at the same time if you pass the same <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object to these functions.</li>
|
||||
<li>Access to a <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object must be externally synchronized. For example, you must not call <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> from different threads at the same time if you pass the same <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object to these functions.</li>
|
||||
</ul>
|
||||
<h1><a class="anchor" id="general_considerations_validation_layer_warnings"></a>
|
||||
Validation layer warnings</h1>
|
||||
@ -109,7 +109,7 @@ Features not supported</h1>
|
||||
<ul>
|
||||
<li>Data transfer. Uploading (straming) and downloading data of buffers and images between CPU and GPU memory and related synchronization is responsibility of the user. Defining some "texture" object that would automatically stream its data from a staging copy in CPU memory to GPU memory would rather be a feature of another, higher-level library implemented on top of VMA.</li>
|
||||
<li>Allocations for imported/exported external memory. They tend to require explicit memory type index and dedicated allocation anyway, so they don't interact with main features of this library. Such special purpose allocations should be made manually, using <code>vkCreateBuffer()</code> and <code>vkAllocateMemory()</code>.</li>
|
||||
<li>Recreation of buffers and images. Although the library has functions for buffer and image creation (<a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>), you need to recreate these objects yourself after defragmentation. That's because the big structures <code>VkBufferCreateInfo</code>, <code>VkImageCreateInfo</code> are not stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object.</li>
|
||||
<li>Recreation of buffers and images. Although the library has functions for buffer and image creation (<a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer()</a>, <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>), you need to recreate these objects yourself after defragmentation. That's because the big structures <code>VkBufferCreateInfo</code>, <code>VkImageCreateInfo</code> are not stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> object.</li>
|
||||
<li>Handling CPU memory allocation failures. When dynamically creating small C++ objects in CPU memory (not Vulkan memory), allocation failures are not checked and handled gracefully, because that would complicate code significantly and is usually not needed in desktop PC applications anyway.</li>
|
||||
<li>Code free of any compiler warnings. Maintaining the library to compile and work correctly on so many different platforms is hard enough. Being free of any warnings, on any version of any compiler, is simply not feasible.</li>
|
||||
<li>This is a C++ library with C interface. Bindings or ports to any other programming languages are welcomed as external projects and are not going to be included into this repository. </li>
|
||||
|
||||
@ -150,12 +150,6 @@ $(function() {
|
||||
<li>VMA_BIND_MEMORY2
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a88bef97f86d70a34a4c0746e09a2680d">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_CALL_POST
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aab7d949b3d77783f0ba704ae5e3136e0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_CALL_PRE
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3f0fa870030b4d421bf71e3928d5fe31">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_DEDICATED_ALLOCATION
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af7b860e63b96d11e44ae8587ba06bbf4">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
@ -211,16 +205,16 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae25f0d55fd91cb166f002b63244800e1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6e40022ab443f88bfa8b13c2fcfd05cc">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abf28077dbf82d0908b8acbe8ee8dd9b8">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryForBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af34f6d2ec25537ac0179ff614bae0012">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a7fdf64415b6c3d83c454f28d2c53df7b">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryForImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a25e3b30b93063b921d5078e538b1bf30">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0faa3f9e5fb233d29d1e00390650febb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryPages()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a35b49cebb7d7c128db38d3949f54e325">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad37e82e492b3de38fc3f4cffd9ad0ae1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaAllocationCreateFlagBits
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597">vk_mem_alloc.h</a>
|
||||
@ -244,55 +238,55 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae0f6d1d733dded220d28134da46b4283">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindBufferMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindBufferMemory2()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa06d8fe2e969c048182e019f4b857ccf">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a927c944f45e0f2941182abb6f608e64a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindImageMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a9681b4996d0d33ad0bc811fc7394d272">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3d3ca45799923aa5d138e9e5f9eb2da5">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindImageMemory2()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a82e760a2db3b517b965320ba71ebbfbb">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa8251ee81b0045a443e35b8e8aa021bc">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaBudget
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab79b48b6d25aada0de91a913896e1c38">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBuildStatsString()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCalculateStats()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCheckCorruption()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6e53d9caa4368576cf351300b64ef8f4">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a49329a7f030dafcf82f7b73334c22e98">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCheckPoolCorruption()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6bdc403637fe34c4dbb7f7de39357e02">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad535935619c7a549bf837e1bb0068f89">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateAllocator()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateLostAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af70dc16d3b2818d514face3ed916f492">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae5c9657d9e94756269145b01c05d16f1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreatePool()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragment()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragmentationBegin()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragmentationEnd()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaDefragmentationFlagBits
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6552a65b71d16f378c6994b3ceaef50c">vk_mem_alloc.h</a>
|
||||
@ -310,73 +304,76 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab0f9b06441c840fee560de4a2967f8c9">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyAllocator()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a288d938ca902469760248ebd3633dde5">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa8d164061c88f22fb1fd3c8f3534bc1d">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6d7d34a7e2ef515a2734bdfdf7a76a9f">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae50d2cb3b4a3bfd4dd40987234e50e7e">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyPool()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a11693ab08f65761a142c466c5eceb849">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5485779c8f1948238fc4e92232fa65e1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaDeviceMemoryCallbacks
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5e2eb68d727cfd4df25702b027b7aa31">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndex()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a21530f0bd74d92b40cc1873e5037662c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aef15a94b58fbcb0fe706d5720e84a74a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndexForBufferInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndexForImageInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a359c5187b7004880945f0e3debba91b9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a088da83d8eaf3ce9056d9ea0b981d472">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFlushAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aca66f515fb5c3b370eaa9d826785c2c6">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abc34ee6f021f459aff885f3758c435de">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0438b3d982473eb1c93c77c7ab3212e1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a11f0fbc034fa81a4efedd73d61ce7568">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeMemoryPages()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aab00eabeaf43039298442591bcfba836">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab9e709de044c5d8476bea77a4e755840">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeStatsString()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aff001c5ec4ab2aeef3176804d6a865a9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3104eb30d8122c84dd8541063f145288">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetAllocationInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetBudget()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2d9ae6d97e48d85f5b6a685742d5f6f0">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aec0ed24ebea2d0099eed5f801daaefba">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetMemoryProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ada321efa19065e5a87f79dcbe11369a5">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab88db292a17974f911182543fda52d19">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetMemoryTypeProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad0b03b51a0dff5dab25ac9c194fef3e1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPhysicalDeviceProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a236c3299ad132eb753dbcbf6e309849e">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aecabf7b6e91ea87d0316fa0a9e014fe0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPoolName()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af09b4e4eafdbee812e8d73ddf960f030">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPoolStats()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abb343b27164d08d2b97e3b0c30ecdcbf">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae8bf76997b234ef68aad922616df4153">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaInvalidateAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a7489ab3d91f0011e2ed22f266f76966c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0d0eb0c1102268fa9a476d12ecbe4006">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaMakePoolAllocationsLost()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aaf235cb916f4c56feafdce45227fd17a">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a736bd6cbda886f36c891727e73bd4024">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaMapMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaMemoryUsage
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad63b2113c0bfdbeade1cb498f5a8580d">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305cc">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaPoolCreateFlagBits
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a9a7c45f9c863695d98c83fa5ac940fe7">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a8f93195158e0e2ac80ca352064e71c1f">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaPoolCreateFlags
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2770e325ea42e087c1b91fdf46d0292a">vk_mem_alloc.h</a>
|
||||
@ -388,7 +385,7 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2e5612d871d64c5624087b837a338c34">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaRecordFlagBits
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a4dd2c44642312a147a4e93373a6e64d2">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ade20b626a6635ce1bf30ea53dea774e4">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaRecordFlags
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af3929a1a4547c592fc0b0e55ef452828">vk_mem_alloc.h</a>
|
||||
@ -397,13 +394,16 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0ab61e87ff6365f1d59915eadc37a9f0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaResizeAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a36e0067f27609620651eefdf98ce624e">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0ff488958ca72b28e545880463cb8696">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetAllocationUserData()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetCurrentFrameIndex()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a763d86a0fa9613d81b19dc724d418f67">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ade56bf8dc9f5a5eaddf5f119ed525236">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetPoolName()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#adbae3a0b4ab078024462fc85c37f3b58">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaStatInfo
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a810b009a788ee8aac72a25b42ffbe31c">vk_mem_alloc.h</a>
|
||||
@ -412,10 +412,10 @@ $(function() {
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a732be855fb4a7c248e6853d928a729af">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaTouchAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaUnmapMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VmaVulkanFunctions
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a97064a1a271b0061ebfc3a079862d0c5">vk_mem_alloc.h</a>
|
||||
|
||||
@ -68,12 +68,6 @@ $(function() {
|
||||
<li>VMA_BIND_MEMORY2
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a88bef97f86d70a34a4c0746e09a2680d">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_CALL_POST
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aab7d949b3d77783f0ba704ae5e3136e0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_CALL_PRE
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3f0fa870030b4d421bf71e3928d5fe31">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>VMA_DEDICATED_ALLOCATION
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af7b860e63b96d11e44ae8587ba06bbf4">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
|
||||
@ -65,139 +65,145 @@ $(function() {
|
||||
|
||||
<h3><a id="index_v"></a>- v -</h3><ul>
|
||||
<li>vmaAllocateMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6e40022ab443f88bfa8b13c2fcfd05cc">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abf28077dbf82d0908b8acbe8ee8dd9b8">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryForBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af34f6d2ec25537ac0179ff614bae0012">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a7fdf64415b6c3d83c454f28d2c53df7b">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryForImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a25e3b30b93063b921d5078e538b1bf30">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0faa3f9e5fb233d29d1e00390650febb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaAllocateMemoryPages()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a35b49cebb7d7c128db38d3949f54e325">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad37e82e492b3de38fc3f4cffd9ad0ae1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindBufferMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a055cbf8d000a019a6270c66b46f0cb40">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6b0929b914b60cf2d45cac4bf3547470">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindBufferMemory2()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa06d8fe2e969c048182e019f4b857ccf">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a927c944f45e0f2941182abb6f608e64a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindImageMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a9681b4996d0d33ad0bc811fc7394d272">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3d3ca45799923aa5d138e9e5f9eb2da5">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBindImageMemory2()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a82e760a2db3b517b965320ba71ebbfbb">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa8251ee81b0045a443e35b8e8aa021bc">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaBuildStatsString()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCalculateStats()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCheckCorruption()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6e53d9caa4368576cf351300b64ef8f4">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a49329a7f030dafcf82f7b73334c22e98">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCheckPoolCorruption()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6bdc403637fe34c4dbb7f7de39357e02">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad535935619c7a549bf837e1bb0068f89">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateAllocator()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreateLostAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af70dc16d3b2818d514face3ed916f492">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae5c9657d9e94756269145b01c05d16f1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaCreatePool()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragment()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragmentationBegin()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDefragmentationEnd()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyAllocator()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a288d938ca902469760248ebd3633dde5">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aa8d164061c88f22fb1fd3c8f3534bc1d">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyBuffer()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyImage()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a6d7d34a7e2ef515a2734bdfdf7a76a9f">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae50d2cb3b4a3bfd4dd40987234e50e7e">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaDestroyPool()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a11693ab08f65761a142c466c5eceb849">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a5485779c8f1948238fc4e92232fa65e1">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndex()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a21530f0bd74d92b40cc1873e5037662c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aef15a94b58fbcb0fe706d5720e84a74a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndexForBufferInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a425905e868e4b487b5188f9d834dacbc">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae790ab9ffaf7667fb8f62523e6897888">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFindMemoryTypeIndexForImageInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a359c5187b7004880945f0e3debba91b9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a088da83d8eaf3ce9056d9ea0b981d472">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFlushAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aca66f515fb5c3b370eaa9d826785c2c6">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abc34ee6f021f459aff885f3758c435de">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0438b3d982473eb1c93c77c7ab3212e1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a11f0fbc034fa81a4efedd73d61ce7568">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeMemoryPages()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aab00eabeaf43039298442591bcfba836">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab9e709de044c5d8476bea77a4e755840">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaFreeStatsString()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aff001c5ec4ab2aeef3176804d6a865a9">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3104eb30d8122c84dd8541063f145288">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetAllocationInfo()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetBudget()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a2d9ae6d97e48d85f5b6a685742d5f6f0">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aec0ed24ebea2d0099eed5f801daaefba">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetMemoryProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ada321efa19065e5a87f79dcbe11369a5">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ab88db292a17974f911182543fda52d19">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetMemoryTypeProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad0b03b51a0dff5dab25ac9c194fef3e1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPhysicalDeviceProperties()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a236c3299ad132eb753dbcbf6e309849e">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aecabf7b6e91ea87d0316fa0a9e014fe0">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPoolName()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af09b4e4eafdbee812e8d73ddf960f030">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaGetPoolStats()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#abb343b27164d08d2b97e3b0c30ecdcbf">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae8bf76997b234ef68aad922616df4153">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaInvalidateAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a7489ab3d91f0011e2ed22f266f76966c">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0d0eb0c1102268fa9a476d12ecbe4006">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaMakePoolAllocationsLost()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#aaf235cb916f4c56feafdce45227fd17a">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a736bd6cbda886f36c891727e73bd4024">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaMapMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaResizeAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a36e0067f27609620651eefdf98ce624e">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a0ff488958ca72b28e545880463cb8696">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetAllocationUserData()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetCurrentFrameIndex()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a763d86a0fa9613d81b19dc724d418f67">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#ade56bf8dc9f5a5eaddf5f119ed525236">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaSetPoolName()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#adbae3a0b4ab078024462fc85c37f3b58">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaTouchAllocation()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
<li>vmaUnmapMemory()
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278">vk_mem_alloc.h</a>
|
||||
: <a class="el" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45">vk_mem_alloc.h</a>
|
||||
</li>
|
||||
</ul>
|
||||
</div><!-- contents -->
|
||||
|
||||
@ -66,15 +66,15 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
<div class="textblock"><p>If your game oversubscribes video memory, if may work OK in previous-generation graphics APIs (DirectX 9, 10, 11, OpenGL) because resources are automatically paged to system RAM. In Vulkan you can't do it because when you run out of memory, an allocation just fails. If you have more data (e.g. textures) that can fit into VRAM and you don't need it all at once, you may want to upload them to GPU on demand and "push out" ones that are not used for a long time to make room for the new ones, effectively using VRAM (or a cartain memory pool) as a form of cache. Vulkan Memory Allocator can help you with that by supporting a concept of "lost allocations".</p>
|
||||
<p>To create an allocation that can become lost, include <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a> flag in <a class="el" href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b" title="Use VmaAllocationCreateFlagBits enum.">VmaAllocationCreateInfo::flags</a>. Before using a buffer or image bound to such allocation in every new frame, you need to query it if it's not lost. To check it, call <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a>. If the allocation is lost, you should not use it or buffer/image bound to it. You mustn't forget to destroy this allocation and this buffer/image. <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> can also be used for checking status of the allocation. Allocation is lost when returned <a class="el" href="struct_vma_allocation_info.html#ae0bfb7dfdf79a76ffefc9a94677a2f67" title="Handle to Vulkan memory object.">VmaAllocationInfo::deviceMemory</a> == <code>VK_NULL_HANDLE</code>.</p>
|
||||
<p>To create an allocation that can become lost, include <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a> flag in <a class="el" href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b" title="Use VmaAllocationCreateFlagBits enum.">VmaAllocationCreateInfo::flags</a>. Before using a buffer or image bound to such allocation in every new frame, you need to query it if it's not lost. To check it, call <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a>. If the allocation is lost, you should not use it or buffer/image bound to it. You mustn't forget to destroy this allocation and this buffer/image. <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> can also be used for checking status of the allocation. Allocation is lost when returned <a class="el" href="struct_vma_allocation_info.html#ae0bfb7dfdf79a76ffefc9a94677a2f67" title="Handle to Vulkan memory object.">VmaAllocationInfo::deviceMemory</a> == <code>VK_NULL_HANDLE</code>.</p>
|
||||
<p>To create an allocation that can make some other allocations lost to make room for it, use <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a> flag. You will usually use both flags <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a> and <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a> at the same time.</p>
|
||||
<p>Warning! Current implementation uses quite naive, brute force algorithm, which can make allocation calls that use <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a> flag quite slow. A new, more optimal algorithm and data structure to speed this up is planned for the future.</p>
|
||||
<p><b>Q: When interleaving creation of new allocations with usage of existing ones, how do you make sure that an allocation won't become lost while it's used in the current frame?</b></p>
|
||||
<p>It is ensured because <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> / <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> not only returns allocation status/parameters and checks whether it's not lost, but when it's not, it also atomically marks it as used in the current frame, which makes it impossible to become lost in that frame. It uses lockless algorithm, so it works fast and doesn't involve locking any internal mutex.</p>
|
||||
<p>It is ensured because <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> / <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> not only returns allocation status/parameters and checks whether it's not lost, but when it's not, it also atomically marks it as used in the current frame, which makes it impossible to become lost in that frame. It uses lockless algorithm, so it works fast and doesn't involve locking any internal mutex.</p>
|
||||
<p><b>Q: What if my allocation may still be in use by the GPU when it's rendering a previous frame while I already submit new frame on the CPU?</b></p>
|
||||
<p>You can make sure that allocations "touched" by <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> / <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> will not become lost for a number of additional frames back from the current one by specifying this number as <a class="el" href="struct_vma_allocator_create_info.html#a21ea188dd212b8171cb9ecbed4a2a3a7" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaAllocatorCreateInfo::frameInUseCount</a> (for default memory pool) and <a class="el" href="struct_vma_pool_create_info.html#a9437e43ffbb644dbbf7fc4e50cfad6aa" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaPoolCreateInfo::frameInUseCount</a> (for custom pool).</p>
|
||||
<p>You can make sure that allocations "touched" by <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> / <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> will not become lost for a number of additional frames back from the current one by specifying this number as <a class="el" href="struct_vma_allocator_create_info.html#a21ea188dd212b8171cb9ecbed4a2a3a7" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaAllocatorCreateInfo::frameInUseCount</a> (for default memory pool) and <a class="el" href="struct_vma_pool_create_info.html#a9437e43ffbb644dbbf7fc4e50cfad6aa" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaPoolCreateInfo::frameInUseCount</a> (for custom pool).</p>
|
||||
<p><b>Q: How do you inform the library when new frame starts?</b></p>
|
||||
<p>You need to call function <a class="el" href="vk__mem__alloc_8h.html#a763d86a0fa9613d81b19dc724d418f67" title="Sets index of the current frame.">vmaSetCurrentFrameIndex()</a>.</p>
|
||||
<p>You need to call function <a class="el" href="vk__mem__alloc_8h.html#ade56bf8dc9f5a5eaddf5f119ed525236" title="Sets index of the current frame.">vmaSetCurrentFrameIndex()</a>.</p>
|
||||
<p>Example code:</p>
|
||||
<div class="fragment"><div class="line"><span class="keyword">struct </span>MyBuffer</div>
|
||||
<div class="line">{</div>
|
||||
@ -91,7 +91,7 @@ $(function() {
|
||||
<div class="line"> <span class="keywordflow">if</span>(m_Buf != VK_NULL_HANDLE)</div>
|
||||
<div class="line"> {</div>
|
||||
<div class="line"> <span class="comment">// Check if its allocation is not lost + mark it as used in current frame.</span></div>
|
||||
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1">vmaTouchAllocation</a>(allocator, m_Alloc))</div>
|
||||
<div class="line"> <span class="keywordflow">if</span>(<a class="code" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a">vmaTouchAllocation</a>(allocator, m_Alloc))</div>
|
||||
<div class="line"> {</div>
|
||||
<div class="line"> <span class="comment">// It's all OK - safe to use m_Buf.</span></div>
|
||||
<div class="line"> <span class="keywordflow">return</span>;</div>
|
||||
@ -100,7 +100,7 @@ $(function() {
|
||||
<div class="line"> </div>
|
||||
<div class="line"> <span class="comment">// Buffer not yet exists or lost - destroy and recreate it.</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a>(allocator, m_Buf, m_Alloc);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a>(allocator, m_Buf, m_Alloc);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"> VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };</div>
|
||||
<div class="line"> bufCreateInfo.size = 1024;</div>
|
||||
@ -111,25 +111,25 @@ $(function() {
|
||||
<div class="line"> allocCreateInfo.<a class="code" href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">flags</a> = <a class="code" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a> |</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a>;</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &m_Buf, &m_Alloc, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &m_Buf, &m_Alloc, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line">}</div>
|
||||
</div><!-- fragment --><p>When using lost allocations, you may see some Vulkan validation layer warnings about overlapping regions of memory bound to different kinds of buffers and images. This is still valid as long as you implement proper handling of lost allocations (like in the example above) and don't use them.</p>
|
||||
<p>You can create an allocation that is already in lost state from the beginning using function <a class="el" href="vk__mem__alloc_8h.html#af70dc16d3b2818d514face3ed916f492" title="Creates new allocation that is in lost state from the beginning.">vmaCreateLostAllocation()</a>. It may be useful if you need a "dummy" allocation that is not null.</p>
|
||||
<p>You can call function <a class="el" href="vk__mem__alloc_8h.html#aaf235cb916f4c56feafdce45227fd17a" title="Marks all allocations in given pool as lost if they are not used in current frame or VmaPoolCreateInf...">vmaMakePoolAllocationsLost()</a> to set all eligible allocations in a specified custom pool to lost state. Allocations that have been "touched" in current frame or <a class="el" href="struct_vma_pool_create_info.html#a9437e43ffbb644dbbf7fc4e50cfad6aa" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaPoolCreateInfo::frameInUseCount</a> frames back cannot become lost.</p>
|
||||
<p>You can create an allocation that is already in lost state from the beginning using function <a class="el" href="vk__mem__alloc_8h.html#ae5c9657d9e94756269145b01c05d16f1" title="Creates new allocation that is in lost state from the beginning.">vmaCreateLostAllocation()</a>. It may be useful if you need a "dummy" allocation that is not null.</p>
|
||||
<p>You can call function <a class="el" href="vk__mem__alloc_8h.html#a736bd6cbda886f36c891727e73bd4024" title="Marks all allocations in given pool as lost if they are not used in current frame or VmaPoolCreateInf...">vmaMakePoolAllocationsLost()</a> to set all eligible allocations in a specified custom pool to lost state. Allocations that have been "touched" in current frame or <a class="el" href="struct_vma_pool_create_info.html#a9437e43ffbb644dbbf7fc4e50cfad6aa" title="Maximum number of additional frames that are in use at the same time as current frame.">VmaPoolCreateInfo::frameInUseCount</a> frames back cannot become lost.</p>
|
||||
<p><b>Q: Can I touch allocation that cannot become lost?</b></p>
|
||||
<p>Yes, although it has no visible effect. Calls to <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> update last use frame index also for allocations that cannot become lost, but the only way to observe it is to dump internal allocator state using <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. You can use this feature for debugging purposes to explicitly mark allocations that you use in current frame and then analyze JSON dump to see for how long each allocation stays unused. </p>
|
||||
<p>Yes, although it has no visible effect. Calls to <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and <a class="el" href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a" title="Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.">vmaTouchAllocation()</a> update last use frame index also for allocations that cannot become lost, but the only way to observe it is to dump internal allocator state using <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. You can use this feature for debugging purposes to explicitly mark allocations that you use in current frame and then analyze JSON dump to see for how long each allocation stays unused. </p>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2326</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a05304fd2aa5736517feee653e1d579d1"><div class="ttname"><a href="vk__mem__alloc_8h.html#a05304fd2aa5736517feee653e1d579d1">vmaTouchAllocation</a></div><div class="ttdeci">VMA_CALL_PRE VkBool32 VMA_CALL_POST vmaTouchAllocation(VmaAllocator allocator, VmaAllocation allocation)</div><div class="ttdoc">Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a43d8ba9673c846f049089a5029d5c73a"><div class="ttname"><a href="vk__mem__alloc_8h.html#a43d8ba9673c846f049089a5029d5c73a">vmaTouchAllocation</a></div><div class="ttdeci">VkBool32 vmaTouchAllocation(VmaAllocator allocator, VmaAllocation allocation)</div><div class="ttdoc">Returns VK_TRUE if allocation is not lost and atomically marks it as used in current frame.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a5f436af6c8fe8540573a6d22627a6fd2">VMA_ALLOCATION_CREATE_CAN_BECOME_LOST_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2329</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a3fa3daa743fcc950253f676aa8a323ea"><div class="ttname"><a href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2333</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a68686d0ce9beb0d4d1b9f2b8b1389a7e">VMA_ALLOCATION_CREATE_CAN_MAKE_OTHER_LOST_BIT</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2336</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a0d9f4e4ba5bf9aab1f1c746387753d77"><div class="ttname"><a href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a></div><div class="ttdeci">void vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2399</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
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Generated by  <a href="http://www.doxygen.org/index.html">
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@ -68,7 +68,7 @@ $(function() {
|
||||
<div class="textblock"><p>To "map memory" in Vulkan means to obtain a CPU pointer to <code>VkDeviceMemory</code>, to be able to read from it or write to it in CPU code. Mapping is possible only of memory allocated from a memory type that has <code>VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT</code> flag. Functions <code>vkMapMemory()</code>, <code>vkUnmapMemory()</code> are designed for this purpose. You can use them directly with memory allocated by this library, but it is not recommended because of following issue: Mapping the same <code>VkDeviceMemory</code> block multiple times is illegal - only one mapping at a time is allowed. This includes mapping disjoint regions. Mapping is not reference-counted internally by Vulkan. Because of this, Vulkan Memory Allocator provides following facilities:</p>
|
||||
<h1><a class="anchor" id="memory_mapping_mapping_functions"></a>
|
||||
Mapping functions</h1>
|
||||
<p>The library provides following functions for mapping of a specific <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>: <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278" title="Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().">vmaUnmapMemory()</a>. They are safer and more convenient to use than standard Vulkan functions. You can map an allocation multiple times simultaneously - mapping is reference-counted internally. You can also map different allocations simultaneously regardless of whether they use the same <code>VkDeviceMemory</code> block. The way it's implemented is that the library always maps entire memory block, not just region of the allocation. For further details, see description of <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> function. Example:</p>
|
||||
<p>The library provides following functions for mapping of a specific <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>: <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45" title="Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().">vmaUnmapMemory()</a>. They are safer and more convenient to use than standard Vulkan functions. You can map an allocation multiple times simultaneously - mapping is reference-counted internally. You can also map different allocations simultaneously regardless of whether they use the same <code>VkDeviceMemory</code> block. The way it's implemented is that the library always maps entire memory block, not just region of the allocation. For further details, see description of <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> function. Example:</p>
|
||||
<div class="fragment"><div class="line"><span class="comment">// Having these objects initialized:</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="keyword">struct </span>ConstantBuffer</div>
|
||||
@ -84,9 +84,9 @@ Mapping functions</h1>
|
||||
<div class="line"><span class="comment">// You can map and fill your buffer using following code:</span></div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="keywordtype">void</span>* mappedData;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3">vmaMapMemory</a>(allocator, constantBufferAllocation, &mappedData);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vmaMapMemory</a>(allocator, constantBufferAllocation, &mappedData);</div>
|
||||
<div class="line">memcpy(mappedData, &constantBufferData, <span class="keyword">sizeof</span>(constantBufferData));</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278">vmaUnmapMemory</a>(allocator, constantBufferAllocation);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45">vmaUnmapMemory</a>(allocator, constantBufferAllocation);</div>
|
||||
</div><!-- fragment --><p>When mapping, you may see a warning from Vulkan validation layer similar to this one:</p>
|
||||
<p><em>Mapping an image with layout VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL can result in undefined behavior if this memory is used by the device. Only GENERAL or PREINITIALIZED should be used.</em></p>
|
||||
<p>It happens because the library maps entire <code>VkDeviceMemory</code> block, where different types of images and buffers may end up together, especially on GPUs with unified memory like Intel. You can safely ignore it if you are sure you access only memory of the intended object that you wanted to map.</p>
|
||||
@ -104,7 +104,7 @@ Persistently mapped memory</h1>
|
||||
<div class="line">VkBuffer buf;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> alloc;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="comment">// Buffer is already mapped. You can access its memory.</span></div>
|
||||
<div class="line">memcpy(allocInfo.<a class="code" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a>, &constantBufferData, <span class="keyword">sizeof</span>(constantBufferData));</div>
|
||||
@ -116,14 +116,14 @@ Persistently mapped memory</h1>
|
||||
</ul>
|
||||
<h1><a class="anchor" id="memory_mapping_cache_control"></a>
|
||||
Cache control</h1>
|
||||
<p>Memory in Vulkan doesn't need to be unmapped before using it on GPU, but unless a memory types has <code>VK_MEMORY_PROPERTY_HOST_COHERENT_BIT</code> flag set, you need to manually invalidate cache before reading of mapped pointer and flush cache after writing to mapped pointer. Vulkan provides following functions for this purpose <code>vkFlushMappedMemoryRanges()</code>, <code>vkInvalidateMappedMemoryRanges()</code>, but this library provides more convenient functions that refer to given allocation object: <a class="el" href="vk__mem__alloc_8h.html#aca66f515fb5c3b370eaa9d826785c2c6" title="Flushes memory of given allocation.">vmaFlushAllocation()</a>, <a class="el" href="vk__mem__alloc_8h.html#a7489ab3d91f0011e2ed22f266f76966c" title="Invalidates memory of given allocation.">vmaInvalidateAllocation()</a>.</p>
|
||||
<p>Memory in Vulkan doesn't need to be unmapped before using it on GPU, but unless a memory types has <code>VK_MEMORY_PROPERTY_HOST_COHERENT_BIT</code> flag set, you need to manually invalidate cache before reading of mapped pointer and flush cache after writing to mapped pointer. Vulkan provides following functions for this purpose <code>vkFlushMappedMemoryRanges()</code>, <code>vkInvalidateMappedMemoryRanges()</code>, but this library provides more convenient functions that refer to given allocation object: <a class="el" href="vk__mem__alloc_8h.html#abc34ee6f021f459aff885f3758c435de" title="Flushes memory of given allocation.">vmaFlushAllocation()</a>, <a class="el" href="vk__mem__alloc_8h.html#a0d0eb0c1102268fa9a476d12ecbe4006" title="Invalidates memory of given allocation.">vmaInvalidateAllocation()</a>.</p>
|
||||
<p>Regions of memory specified for flush/invalidate must be aligned to <code>VkPhysicalDeviceLimits::nonCoherentAtomSize</code>. This is automatically ensured by the library. In any memory type that is <code>HOST_VISIBLE</code> but not <code>HOST_COHERENT</code>, all allocations within blocks are aligned to this value, so their offsets are always multiply of <code>nonCoherentAtomSize</code> and two different allocations never share same "line" of this size.</p>
|
||||
<p>Please note that memory allocated with <a class="el" href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5">VMA_MEMORY_USAGE_CPU_ONLY</a> is guaranteed to be <code>HOST_COHERENT</code>.</p>
|
||||
<p>Also, Windows drivers from all 3 PC GPU vendors (AMD, Intel, NVIDIA) currently provide <code>HOST_COHERENT</code> flag on all memory types that are <code>HOST_VISIBLE</code>, so on this platform you may not need to bother.</p>
|
||||
<h1><a class="anchor" id="memory_mapping_finding_if_memory_mappable"></a>
|
||||
Finding out if memory is mappable</h1>
|
||||
<p>It may happen that your allocation ends up in memory that is <code>HOST_VISIBLE</code> (available for mapping) despite it wasn't explicitly requested. For example, application may work on integrated graphics with unified memory (like Intel) or allocation from video memory might have failed, so the library chose system memory as fallback.</p>
|
||||
<p>You can detect this case and map such allocation to access its memory on CPU directly, instead of launching a transfer operation. In order to do that: inspect <code>allocInfo.memoryType</code>, call <a class="el" href="vk__mem__alloc_8h.html#ad0b03b51a0dff5dab25ac9c194fef3e1" title="Given Memory Type Index, returns Property Flags of this memory type.">vmaGetMemoryTypeProperties()</a>, and look for <code>VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT</code> flag in properties of that memory type.</p>
|
||||
<p>You can detect this case and map such allocation to access its memory on CPU directly, instead of launching a transfer operation. In order to do that: inspect <code>allocInfo.memoryType</code>, call <a class="el" href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca" title="Given Memory Type Index, returns Property Flags of this memory type.">vmaGetMemoryTypeProperties()</a>, and look for <code>VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT</code> flag in properties of that memory type.</p>
|
||||
<div class="fragment"><div class="line">VkBufferCreateInfo bufCreateInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };</div>
|
||||
<div class="line">bufCreateInfo.size = <span class="keyword">sizeof</span>(ConstantBuffer);</div>
|
||||
<div class="line">bufCreateInfo.usage = VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT;</div>
|
||||
@ -135,17 +135,17 @@ Finding out if memory is mappable</h1>
|
||||
<div class="line">VkBuffer buf;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> alloc;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line">VkMemoryPropertyFlags memFlags;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ad0b03b51a0dff5dab25ac9c194fef3e1">vmaGetMemoryTypeProperties</a>(allocator, allocInfo.<a class="code" href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">memoryType</a>, &memFlags);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca">vmaGetMemoryTypeProperties</a>(allocator, allocInfo.<a class="code" href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">memoryType</a>, &memFlags);</div>
|
||||
<div class="line"><span class="keywordflow">if</span>((memFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) == 0)</div>
|
||||
<div class="line">{</div>
|
||||
<div class="line"> <span class="comment">// Allocation ended up in mappable memory. You can map it and access it directly.</span></div>
|
||||
<div class="line"> <span class="keywordtype">void</span>* mappedData;</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3">vmaMapMemory</a>(allocator, alloc, &mappedData);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vmaMapMemory</a>(allocator, alloc, &mappedData);</div>
|
||||
<div class="line"> memcpy(mappedData, &constantBufferData, <span class="keyword">sizeof</span>(constantBufferData));</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278">vmaUnmapMemory</a>(allocator, alloc);</div>
|
||||
<div class="line"> <a class="code" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45">vmaUnmapMemory</a>(allocator, alloc);</div>
|
||||
<div class="line">}</div>
|
||||
<div class="line"><span class="keywordflow">else</span></div>
|
||||
<div class="line">{</div>
|
||||
@ -164,7 +164,7 @@ Finding out if memory is mappable</h1>
|
||||
<div class="line">VkBuffer buf;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> alloc;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><span class="keywordflow">if</span>(allocInfo.<a class="code" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a> != <span class="keyword">nullptr</span>)</div>
|
||||
<div class="line">{</div>
|
||||
@ -179,23 +179,23 @@ Finding out if memory is mappable</h1>
|
||||
<div class="line">}</div>
|
||||
</div><!-- fragment --> </div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a9bc268595cb33f6ec4d519cfce81ff45"><div class="ttname"><a href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45">vmaUnmapMemory</a></div><div class="ttdeci">void vmaUnmapMemory(VmaAllocator allocator, VmaAllocation allocation)</div><div class="ttdoc">Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_html"><div class="ttname"><a href="struct_vma_allocator.html">VmaAllocator</a></div><div class="ttdoc">Represents main object of this library initialized.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ae98119383e8e5754b6c09679386677d3"><div class="ttname"><a href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3">vmaMapMemory</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaMapMemory(VmaAllocator allocator, VmaAllocation allocation, void **ppData)</div><div class="ttdoc">Maps memory represented by given allocation and returns pointer to it.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a3128786cae5f317f51307074a487c278"><div class="ttname"><a href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278">vmaUnmapMemory</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaUnmapMemory(VmaAllocator allocator, VmaAllocation allocation)</div><div class="ttdoc">Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5">VMA_MEMORY_USAGE_CPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2261</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a8701444752eb5de4464adb5a2b514bca"><div class="ttname"><a href="vk__mem__alloc_8h.html#a8701444752eb5de4464adb5a2b514bca">vmaGetMemoryTypeProperties</a></div><div class="ttdeci">void vmaGetMemoryTypeProperties(VmaAllocator allocator, uint32_t memoryTypeIndex, VkMemoryPropertyFlags *pFlags)</div><div class="ttdoc">Given Memory Type Index, returns Property Flags of this memory type.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5">VMA_MEMORY_USAGE_CPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2264</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad0b03b51a0dff5dab25ac9c194fef3e1"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad0b03b51a0dff5dab25ac9c194fef3e1">vmaGetMemoryTypeProperties</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaGetMemoryTypeProperties(VmaAllocator allocator, uint32_t memoryTypeIndex, VkMemoryPropertyFlags *pFlags)</div><div class="ttdoc">Given Memory Type Index, returns Property Flags of this memory type.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_a5eeffbe2d2f30f53370ff14aefbadbe2"><div class="ttname"><a href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">VmaAllocationInfo::pMappedData</a></div><div class="ttdeci">void * pMappedData</div><div class="ttdoc">Pointer to the beginning of this allocation as mapped data.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2743</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_adc507656149c04de7ed95d0042ba2a13"><div class="ttname"><a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">VmaAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2748</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_a7f6b0aa58c135e488e6b40a388dad9d5"><div class="ttname"><a href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">VmaAllocationInfo::memoryType</a></div><div class="ttdeci">uint32_t memoryType</div><div class="ttdoc">Memory type index that this allocation was allocated from.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2715</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdoc">Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2313</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a7fe8d81a1ad10b2a2faacacee5b15d6d"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo::preferredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags preferredFlags</div><div class="ttdoc">Flags that preferably should be set in a memory type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2412</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2710</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad5bd1243512d099706de88168992f069"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069">vmaMapMemory</a></div><div class="ttdeci">VkResult vmaMapMemory(VmaAllocator allocator, VmaAllocation allocation, void **ppData)</div><div class="ttdoc">Maps memory represented by given allocation and returns pointer to it.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_a5eeffbe2d2f30f53370ff14aefbadbe2"><div class="ttname"><a href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">VmaAllocationInfo::pMappedData</a></div><div class="ttdeci">void * pMappedData</div><div class="ttdoc">Pointer to the beginning of this allocation as mapped data.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2767</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_adc507656149c04de7ed95d0042ba2a13"><div class="ttname"><a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">VmaAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2772</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html_a7f6b0aa58c135e488e6b40a388dad9d5"><div class="ttname"><a href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">VmaAllocationInfo::memoryType</a></div><div class="ttdeci">uint32_t memoryType</div><div class="ttdoc">Memory type index that this allocation was allocated from.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2739</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdoc">Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2316</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_add09658ac14fe290ace25470ddd6d41b"><div class="ttname"><a href="struct_vma_allocation_create_info.html#add09658ac14fe290ace25470ddd6d41b">VmaAllocationCreateInfo::flags</a></div><div class="ttdeci">VmaAllocationCreateFlags flags</div><div class="ttdoc">Use VmaAllocationCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2399</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_a7fe8d81a1ad10b2a2faacacee5b15d6d"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo::preferredFlags</a></div><div class="ttdeci">VkMemoryPropertyFlags preferredFlags</div><div class="ttdoc">Flags that preferably should be set in a memory type chosen for an allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2415</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_info_html"><div class="ttname"><a href="struct_vma_allocation_info.html">VmaAllocationInfo</a></div><div class="ttdoc">Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2734</div></div>
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated by  <a href="http://www.doxygen.org/index.html">
|
||||
|
||||
@ -84,21 +84,21 @@ Initialization</h1>
|
||||
<p>At program startup:</p>
|
||||
<ol type="1">
|
||||
<li>Initialize Vulkan to have <code>VkPhysicalDevice</code> and <code>VkDevice</code> object.</li>
|
||||
<li>Fill <a class="el" href="struct_vma_allocator_create_info.html" title="Description of a Allocator to be created.">VmaAllocatorCreateInfo</a> structure and create <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> object by calling <a class="el" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d" title="Creates Allocator object.">vmaCreateAllocator()</a>.</li>
|
||||
<li>Fill <a class="el" href="struct_vma_allocator_create_info.html" title="Description of a Allocator to be created.">VmaAllocatorCreateInfo</a> structure and create <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> object by calling <a class="el" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb" title="Creates Allocator object.">vmaCreateAllocator()</a>.</li>
|
||||
</ol>
|
||||
<div class="fragment"><div class="line"><a class="code" href="struct_vma_allocator_create_info.html">VmaAllocatorCreateInfo</a> allocatorInfo = {};</div>
|
||||
<div class="line">allocatorInfo.<a class="code" href="struct_vma_allocator_create_info.html#a08230f04ae6ccf8a78150a9e829a7156">physicalDevice</a> = physicalDevice;</div>
|
||||
<div class="line">allocatorInfo.<a class="code" href="struct_vma_allocator_create_info.html#ad924ddd77b04039c88d0c09b0ffcd500">device</a> = device;</div>
|
||||
<div class="line"> </div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocator.html">VmaAllocator</a> allocator;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vmaCreateAllocator</a>(&allocatorInfo, &allocator);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a>(&allocatorInfo, &allocator);</div>
|
||||
</div><!-- fragment --><h1><a class="anchor" id="quick_start_resource_allocation"></a>
|
||||
Resource allocation</h1>
|
||||
<p>When you want to create a buffer or image:</p>
|
||||
<ol type="1">
|
||||
<li>Fill <code>VkBufferCreateInfo</code> / <code>VkImageCreateInfo</code> structure.</li>
|
||||
<li>Fill <a class="el" href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a> structure.</li>
|
||||
<li>Call <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer()</a> / <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a> to get <code>VkBuffer</code>/<code>VkImage</code> with memory already allocated and bound to it.</li>
|
||||
<li>Call <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer()</a> / <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a> to get <code>VkBuffer</code>/<code>VkImage</code> with memory already allocated and bound to it.</li>
|
||||
</ol>
|
||||
<div class="fragment"><div class="line">VkBufferCreateInfo bufferInfo = { VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO };</div>
|
||||
<div class="line">bufferInfo.size = 65536;</div>
|
||||
@ -109,24 +109,24 @@ Resource allocation</h1>
|
||||
<div class="line"> </div>
|
||||
<div class="line">VkBuffer buffer;</div>
|
||||
<div class="line"><a class="code" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &bufferInfo, &allocInfo, &buffer, &allocation, <span class="keyword">nullptr</span>);</div>
|
||||
</div><!-- fragment --><p>Don't forget to destroy your objects when no longer needed:</p>
|
||||
<div class="fragment"><div class="line"><a class="code" href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a>(allocator, buffer, allocation);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a288d938ca902469760248ebd3633dde5">vmaDestroyAllocator</a>(allocator);</div>
|
||||
<div class="fragment"><div class="line"><a class="code" href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a>(allocator, buffer, allocation);</div>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#aa8d164061c88f22fb1fd3c8f3534bc1d">vmaDestroyAllocator</a>(allocator);</div>
|
||||
</div><!-- fragment --> </div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="astruct_vma_allocator_create_info_html_a08230f04ae6ccf8a78150a9e829a7156"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a08230f04ae6ccf8a78150a9e829a7156">VmaAllocatorCreateInfo::physicalDevice</a></div><div class="ttdeci">VkPhysicalDevice physicalDevice</div><div class="ttdoc">Vulkan physical device.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1982</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a288d938ca902469760248ebd3633dde5"><div class="ttname"><a href="vk__mem__alloc_8h.html#a288d938ca902469760248ebd3633dde5">vmaDestroyAllocator</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaDestroyAllocator(VmaAllocator allocator)</div><div class="ttdoc">Destroys allocator object.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_html"><div class="ttname"><a href="struct_vma_allocator.html">VmaAllocator</a></div><div class="ttdoc">Represents main object of this library initialized.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_create_info_html"><div class="ttname"><a href="struct_vma_allocator_create_info.html">VmaAllocatorCreateInfo</a></div><div class="ttdoc">Description of a Allocator to be created.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1976</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aafee10cbb01be73c643ed7e02c31003f"><div class="ttname"><a href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_html"><div class="ttname"><a href="struct_vma_allocation.html">VmaAllocation</a></div><div class="ttdoc">Represents single memory allocation.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a3fa3daa743fcc950253f676aa8a323ea"><div class="ttname"><a href="vk__mem__alloc_8h.html#a3fa3daa743fcc950253f676aa8a323ea">vmaDestroyBuffer</a></div><div class="ttdeci">VMA_CALL_PRE void VMA_CALL_POST vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_af2bacace15ecc6886e4e4de5d1b77e4d"><div class="ttname"><a href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vmaCreateAllocator</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator(const VmaAllocatorCreateInfo *pCreateInfo, VmaAllocator *pAllocator)</div><div class="ttdoc">Creates Allocator object.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2251</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2254</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_aa8d164061c88f22fb1fd3c8f3534bc1d"><div class="ttname"><a href="vk__mem__alloc_8h.html#aa8d164061c88f22fb1fd3c8f3534bc1d">vmaDestroyAllocator</a></div><div class="ttdeci">void vmaDestroyAllocator(VmaAllocator allocator)</div><div class="ttdoc">Destroys allocator object.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_create_info_html_ad924ddd77b04039c88d0c09b0ffcd500"><div class="ttname"><a href="struct_vma_allocator_create_info.html#ad924ddd77b04039c88d0c09b0ffcd500">VmaAllocatorCreateInfo::device</a></div><div class="ttdeci">VkDevice device</div><div class="ttdoc">Vulkan device.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1985</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2402</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2393</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html_accb8b06b1f677d858cb9af20705fa910"><div class="ttname"><a href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910">VmaAllocationCreateInfo::usage</a></div><div class="ttdeci">VmaMemoryUsage usage</div><div class="ttdoc">Intended usage of memory.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2405</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_ac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a></div><div class="ttdeci">VkResult vmaCreateBuffer(VmaAllocator allocator, const VkBufferCreateInfo *pBufferCreateInfo, const VmaAllocationCreateInfo *pAllocationCreateInfo, VkBuffer *pBuffer, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a200692051ddb34240248234f5f4c17bb"><div class="ttname"><a href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a></div><div class="ttdeci">VkResult vmaCreateAllocator(const VmaAllocatorCreateInfo *pCreateInfo, VmaAllocator *pAllocator)</div><div class="ttdoc">Creates Allocator object.</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a0d9f4e4ba5bf9aab1f1c746387753d77"><div class="ttname"><a href="vk__mem__alloc_8h.html#a0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a></div><div class="ttdeci">void vmaDestroyBuffer(VmaAllocator allocator, VkBuffer buffer, VmaAllocation allocation)</div><div class="ttdoc">Destroys Vulkan buffer and frees allocated memory.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:2396</div></div>
|
||||
<!-- start footer part -->
|
||||
<hr class="footer"/><address class="footer"><small>
|
||||
Generated by  <a href="http://www.doxygen.org/index.html">
|
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|
||||
@ -43,98 +43,98 @@ var searchData=
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['vkgetphysicaldevicememoryproperties_355',['vkGetPhysicalDeviceMemoryProperties',['../struct_vma_vulkan_functions.html#a60d25c33bba06bb8592e6875cbaa9830',1,'VmaVulkanFunctions']]],
|
||||
['vkgetphysicaldeviceproperties_356',['vkGetPhysicalDeviceProperties',['../struct_vma_vulkan_functions.html#a77b7a74082823e865dd6546623468f96',1,'VmaVulkanFunctions']]],
|
||||
['vkinvalidatemappedmemoryranges_357',['vkInvalidateMappedMemoryRanges',['../struct_vma_vulkan_functions.html#a5c1093bc32386a8060c37c9f282078a1',1,'VmaVulkanFunctions']]],
|
||||
['vkmapmemory_358',['vkMapMemory',['../struct_vma_vulkan_functions.html#ab5c1f38dea3a2cf00dc9eb4f57218c49',1,'VmaVulkanFunctions']]],
|
||||
['vkunmapmemory_359',['vkUnmapMemory',['../struct_vma_vulkan_functions.html#acc798589736f0becb317fc2196c1d8b9',1,'VmaVulkanFunctions']]]
|
||||
];
|
||||
|
||||
@ -68,14 +68,14 @@ $(function() {
|
||||
<div class="textblock"><p>This library contains functions that return information about its internal state, especially the amount of memory allocated from Vulkan. Please keep in mind that these functions need to traverse all internal data structures to gather these information, so they may be quite time-consuming. Don't call them too often.</p>
|
||||
<h1><a class="anchor" id="statistics_numeric_statistics"></a>
|
||||
Numeric statistics</h1>
|
||||
<p>You can query for overall statistics of the allocator using function <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. Information are returned using structure <a class="el" href="struct_vma_stats.html" title="General statistics from current state of Allocator.">VmaStats</a>. It contains <a class="el" href="struct_vma_stat_info.html" title="Calculated statistics of memory usage in entire allocator.">VmaStatInfo</a> - number of allocated blocks, number of allocations (occupied ranges in these blocks), number of unused (free) ranges in these blocks, number of bytes used and unused (but still allocated from Vulkan) and other information. They are summed across memory heaps, memory types and total for whole allocator.</p>
|
||||
<p>You can query for statistics of a custom pool using function <a class="el" href="vk__mem__alloc_8h.html#abb343b27164d08d2b97e3b0c30ecdcbf" title="Retrieves statistics of existing VmaPool object.">vmaGetPoolStats()</a>. Information are returned using structure <a class="el" href="struct_vma_pool_stats.html" title="Describes parameter of existing VmaPool.">VmaPoolStats</a>.</p>
|
||||
<p>You can query for information about specific allocation using function <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>. It fill structure <a class="el" href="struct_vma_allocation_info.html" title="Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().">VmaAllocationInfo</a>.</p>
|
||||
<p>You can query for overall statistics of the allocator using function <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. Information are returned using structure <a class="el" href="struct_vma_stats.html" title="General statistics from current state of Allocator.">VmaStats</a>. It contains <a class="el" href="struct_vma_stat_info.html" title="Calculated statistics of memory usage in entire allocator.">VmaStatInfo</a> - number of allocated blocks, number of allocations (occupied ranges in these blocks), number of unused (free) ranges in these blocks, number of bytes used and unused (but still allocated from Vulkan) and other information. They are summed across memory heaps, memory types and total for whole allocator.</p>
|
||||
<p>You can query for statistics of a custom pool using function <a class="el" href="vk__mem__alloc_8h.html#ae8bf76997b234ef68aad922616df4153" title="Retrieves statistics of existing VmaPool object.">vmaGetPoolStats()</a>. Information are returned using structure <a class="el" href="struct_vma_pool_stats.html" title="Describes parameter of existing VmaPool.">VmaPoolStats</a>.</p>
|
||||
<p>You can query for information about specific allocation using function <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>. It fill structure <a class="el" href="struct_vma_allocation_info.html" title="Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().">VmaAllocationInfo</a>.</p>
|
||||
<h1><a class="anchor" id="statistics_json_dump"></a>
|
||||
JSON dump</h1>
|
||||
<p>You can dump internal state of the allocator to a string in JSON format using function <a class="el" href="vk__mem__alloc_8h.html#a4d7fc62aef0239d260e647447605aad4" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. The result is guaranteed to be correct JSON. It uses ANSI encoding. Any strings provided by user (see <a class="el" href="allocation_annotation.html#allocation_names">Allocation names</a>) are copied as-is and properly escaped for JSON, so if they use UTF-8, ISO-8859-2 or any other encoding, this JSON string can be treated as using this encoding. It must be freed using function <a class="el" href="vk__mem__alloc_8h.html#aff001c5ec4ab2aeef3176804d6a865a9">vmaFreeStatsString()</a>.</p>
|
||||
<p>You can dump internal state of the allocator to a string in JSON format using function <a class="el" href="vk__mem__alloc_8h.html#aa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as string in JSON format.">vmaBuildStatsString()</a>. The result is guaranteed to be correct JSON. It uses ANSI encoding. Any strings provided by user (see <a class="el" href="allocation_annotation.html#allocation_names">Allocation names</a>) are copied as-is and properly escaped for JSON, so if they use UTF-8, ISO-8859-2 or any other encoding, this JSON string can be treated as using this encoding. It must be freed using function <a class="el" href="vk__mem__alloc_8h.html#a3104eb30d8122c84dd8541063f145288">vmaFreeStatsString()</a>.</p>
|
||||
<p>The format of this JSON string is not part of official documentation of the library, but it will not change in backward-incompatible way without increasing library major version number and appropriate mention in changelog.</p>
|
||||
<p>The JSON string contains all the data that can be obtained using <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. It can also contain detailed map of allocated memory blocks and their regions - free and occupied by allocations. This allows e.g. to visualize the memory or assess fragmentation. </p>
|
||||
<p>The JSON string contains all the data that can be obtained using <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. It can also contain detailed map of allocated memory blocks and their regions - free and occupied by allocations. This allows e.g. to visualize the memory or assess fragmentation. </p>
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<!-- start footer part -->
|
||||
|
||||
@ -75,13 +75,13 @@ $(function() {
|
||||
</ul>
|
||||
<h1><a class="anchor" id="staying_within_budget_querying_for_budget"></a>
|
||||
Querying for budget</h1>
|
||||
<p>To query for current memory usage and available budget, use function <a class="el" href="vk__mem__alloc_8h.html#a2d9ae6d97e48d85f5b6a685742d5f6f0" title="Retrieves information about current memory budget for all memory heaps.">vmaGetBudget()</a>. Returned structure <a class="el" href="struct_vma_budget.html" title="Statistics of current memory usage and available budget, in bytes, for specific memory heap.">VmaBudget</a> contains quantities expressed in bytes, per Vulkan memory heap.</p>
|
||||
<p>Please note that this function returns different information and works faster than <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. <a class="el" href="vk__mem__alloc_8h.html#a2d9ae6d97e48d85f5b6a685742d5f6f0" title="Retrieves information about current memory budget for all memory heaps.">vmaGetBudget()</a> can be called every frame or even before every allocation, while <a class="el" href="vk__mem__alloc_8h.html#a27abba9dd2d1ea2026f7f4dfb548638b" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a> is intended to be used rarely, only to obtain statistical information, e.g. for debugging purposes.</p>
|
||||
<p>To query for current memory usage and available budget, use function <a class="el" href="vk__mem__alloc_8h.html#aec0ed24ebea2d0099eed5f801daaefba" title="Retrieves information about current memory budget for all memory heaps.">vmaGetBudget()</a>. Returned structure <a class="el" href="struct_vma_budget.html" title="Statistics of current memory usage and available budget, in bytes, for specific memory heap.">VmaBudget</a> contains quantities expressed in bytes, per Vulkan memory heap.</p>
|
||||
<p>Please note that this function returns different information and works faster than <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a>. <a class="el" href="vk__mem__alloc_8h.html#aec0ed24ebea2d0099eed5f801daaefba" title="Retrieves information about current memory budget for all memory heaps.">vmaGetBudget()</a> can be called every frame or even before every allocation, while <a class="el" href="vk__mem__alloc_8h.html#a333b61c1788cb23559177531e6a93ca3" title="Retrieves statistics from current state of the Allocator.">vmaCalculateStats()</a> is intended to be used rarely, only to obtain statistical information, e.g. for debugging purposes.</p>
|
||||
<p>It is recommended to use <b>VK_EXT_memory_budget</b> device extension to obtain information about the budget from Vulkan device. VMA is able to use this extension automatically. When not enabled, the allocator behaves same way, but then it estimates current usage and available budget based on its internal information and Vulkan memory heap sizes, which may be less precise. In order to use this extension:</p>
|
||||
<ol type="1">
|
||||
<li>Make sure extensions VK_EXT_memory_budget and VK_KHR_get_physical_device_properties2 required by it are available and enable them. Please note that the first is a device extension and the second is instance extension!</li>
|
||||
<li>Use flag <a class="el" href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7ca4d4687863f7bd4b418c6006dc04400b0">VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT</a> when creating <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> object.</li>
|
||||
<li>Make sure to call <a class="el" href="vk__mem__alloc_8h.html#a763d86a0fa9613d81b19dc724d418f67" title="Sets index of the current frame.">vmaSetCurrentFrameIndex()</a> every frame. Budget is queried from Vulkan inside of it to avoid overhead of querying it with every allocation.</li>
|
||||
<li>Make sure to call <a class="el" href="vk__mem__alloc_8h.html#ade56bf8dc9f5a5eaddf5f119ed525236" title="Sets index of the current frame.">vmaSetCurrentFrameIndex()</a> every frame. Budget is queried from Vulkan inside of it to avoid overhead of querying it with every allocation.</li>
|
||||
</ol>
|
||||
<h1><a class="anchor" id="staying_within_budget_controlling_memory_usage"></a>
|
||||
Controlling memory usage</h1>
|
||||
|
||||
@ -75,7 +75,7 @@ $(function() {
|
||||
<p>It may be either dedicated block of <code>VkDeviceMemory</code> or a specific region of a bigger block of this type plus unique offset.</p>
|
||||
<p>There are multiple ways to create such object. You need to fill structure <a class="el" href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a>. For more information see <a class="el" href="choosing_memory_type.html">Choosing memory type</a>.</p>
|
||||
<p>Although the library provides convenience functions that create Vulkan buffer or image, allocate memory for it and bind them together, binding of the allocation to a buffer or an image is out of scope of the allocation itself. Allocation object can exist without buffer/image bound, binding can be done manually by the user, and destruction of it can be done independently of destruction of the allocation.</p>
|
||||
<p>The object also remembers its size and some other information. To retrieve this information, use function <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and inspect returned structure <a class="el" href="struct_vma_allocation_info.html" title="Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().">VmaAllocationInfo</a>.</p>
|
||||
<p>The object also remembers its size and some other information. To retrieve this information, use function <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> and inspect returned structure <a class="el" href="struct_vma_allocation_info.html" title="Parameters of VmaAllocation objects, that can be retrieved using function vmaGetAllocationInfo().">VmaAllocationInfo</a>.</p>
|
||||
<p>Some kinds allocations can be in lost state. For more information, see <a class="el" href="lost_allocations.html">Lost allocations</a>. </p>
|
||||
</div><hr/>The documentation for this struct was generated from the following file:<ul>
|
||||
<li><a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a></li>
|
||||
|
||||
@ -92,7 +92,7 @@ Public Attributes</h2></td></tr>
|
||||
<tr class="memdesc:a6272c0555cfd1fe28bff1afeb6190150"><td class="mdescLeft"> </td><td class="mdescRight">Pool that this allocation should be created in. <a href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150">More...</a><br /></td></tr>
|
||||
<tr class="separator:a6272c0555cfd1fe28bff1afeb6190150"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:a8259e85c272683434f4abb4ddddffe19"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19">pUserData</a></td></tr>
|
||||
<tr class="memdesc:a8259e85c272683434f4abb4ddddffe19"><td class="mdescLeft"> </td><td class="mdescRight">Custom general-purpose pointer that will be stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>, can be read as <a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13" title="Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...">VmaAllocationInfo::pUserData</a> and changed using <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. <a href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19">More...</a><br /></td></tr>
|
||||
<tr class="memdesc:a8259e85c272683434f4abb4ddddffe19"><td class="mdescLeft"> </td><td class="mdescRight">Custom general-purpose pointer that will be stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>, can be read as <a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13" title="Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...">VmaAllocationInfo::pUserData</a> and changed using <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. <a href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19">More...</a><br /></td></tr>
|
||||
<tr class="separator:a8259e85c272683434f4abb4ddddffe19"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table>
|
||||
<h2 class="groupheader">Member Data Documentation</h2>
|
||||
@ -177,7 +177,7 @@ If <code>pool</code> is not null, this member is ignored. </p>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Custom general-purpose pointer that will be stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>, can be read as <a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13" title="Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...">VmaAllocationInfo::pUserData</a> and changed using <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. </p>
|
||||
<p>Custom general-purpose pointer that will be stored in <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a>, can be read as <a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13" title="Custom general-purpose pointer that was passed as VmaAllocationCreateInfo::pUserData or set using vma...">VmaAllocationInfo::pUserData</a> and changed using <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. </p>
|
||||
<p>If <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a> is used, it must be either null or pointer to a null-terminated string. The string will be then copied to internal buffer, so it doesn't need to be valid after allocation call. </p>
|
||||
|
||||
</div>
|
||||
|
||||
@ -69,7 +69,7 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
|
||||
<p>Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>.
|
||||
<p>Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>.
|
||||
<a href="struct_vma_allocation_info.html#details">More...</a></p>
|
||||
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
@ -92,11 +92,11 @@ Public Attributes</h2></td></tr>
|
||||
<tr class="memdesc:a5eeffbe2d2f30f53370ff14aefbadbe2"><td class="mdescLeft"> </td><td class="mdescRight">Pointer to the beginning of this allocation as mapped data. <a href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">More...</a><br /></td></tr>
|
||||
<tr class="separator:a5eeffbe2d2f30f53370ff14aefbadbe2"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
<tr class="memitem:adc507656149c04de7ed95d0042ba2a13"><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a></td></tr>
|
||||
<tr class="memdesc:adc507656149c04de7ed95d0042ba2a13"><td class="mdescLeft"> </td><td class="mdescRight">Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. <a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">More...</a><br /></td></tr>
|
||||
<tr class="memdesc:adc507656149c04de7ed95d0042ba2a13"><td class="mdescLeft"> </td><td class="mdescRight">Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. <a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">More...</a><br /></td></tr>
|
||||
<tr class="separator:adc507656149c04de7ed95d0042ba2a13"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>. </p>
|
||||
<div class="textblock"><p>Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a>. </p>
|
||||
</div><h2 class="groupheader">Member Data Documentation</h2>
|
||||
<a id="ae0bfb7dfdf79a76ffefc9a94677a2f67"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#ae0bfb7dfdf79a76ffefc9a94677a2f67">◆ </a></span>deviceMemory</h2>
|
||||
@ -112,7 +112,7 @@ Public Attributes</h2></td></tr>
|
||||
|
||||
<p>Handle to Vulkan memory object. </p>
|
||||
<p>Same memory object can be shared by multiple allocations.</p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function, or if allocation is lost.</p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function, or if allocation is lost.</p>
|
||||
<p>If the allocation is lost, it is equal to <code>VK_NULL_HANDLE</code>. </p>
|
||||
|
||||
</div>
|
||||
@ -147,7 +147,7 @@ Public Attributes</h2></td></tr>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Offset into deviceMemory object to the beginning of this allocation, in bytes. (deviceMemory, offset) pair is unique to this allocation. </p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function, or if allocation is lost. </p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function, or if allocation is lost. </p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
@ -164,8 +164,8 @@ Public Attributes</h2></td></tr>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Pointer to the beginning of this allocation as mapped data. </p>
|
||||
<p>If the allocation hasn't been mapped using <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> and hasn't been created with <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f" title="Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.">VMA_ALLOCATION_CREATE_MAPPED_BIT</a> flag, this value null.</p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#ae98119383e8e5754b6c09679386677d3" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a3128786cae5f317f51307074a487c278" title="Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().">vmaUnmapMemory()</a>. It can also change after call to <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function. </p>
|
||||
<p>If the allocation hasn't been mapped using <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> and hasn't been created with <a class="el" href="vk__mem__alloc_8h.html#ad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f" title="Set this flag to use a memory that will be persistently mapped and retrieve pointer to it.">VMA_ALLOCATION_CREATE_MAPPED_BIT</a> flag, this value null.</p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#ad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, <a class="el" href="vk__mem__alloc_8h.html#a9bc268595cb33f6ec4d519cfce81ff45" title="Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().">vmaUnmapMemory()</a>. It can also change after call to <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a> if this allocation is passed to the function. </p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
@ -181,8 +181,8 @@ Public Attributes</h2></td></tr>
|
||||
</table>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. </p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#a402558851f800ecd733800962c227f6a" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a> for this allocation. </p>
|
||||
<p>Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. </p>
|
||||
<p>It can change after call to <a class="el" href="vk__mem__alloc_8h.html#af9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a> for this allocation. </p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
@ -72,7 +72,7 @@ $(function() {
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Represents main object of this library initialized. </p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_allocator_create_info.html" title="Description of a Allocator to be created.">VmaAllocatorCreateInfo</a> and call function <a class="el" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d" title="Creates Allocator object.">vmaCreateAllocator()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#a288d938ca902469760248ebd3633dde5" title="Destroys allocator object.">vmaDestroyAllocator()</a> to destroy it.</p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_allocator_create_info.html" title="Description of a Allocator to be created.">VmaAllocatorCreateInfo</a> and call function <a class="el" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb" title="Creates Allocator object.">vmaCreateAllocator()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#aa8d164061c88f22fb1fd3c8f3534bc1d" title="Destroys allocator object.">vmaDestroyAllocator()</a> to destroy it.</p>
|
||||
<p>It is recommended to create just one object of this type per <code>VkDevice</code> object, right after Vulkan is initialized and keep it alive until before Vulkan device is destroyed. </p>
|
||||
</div><hr/>The documentation for this struct was generated from the following file:<ul>
|
||||
<li><a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a></li>
|
||||
|
||||
@ -234,7 +234,7 @@ Public Attributes</h2></td></tr>
|
||||
<p>If there is a limit defined for a heap:</p>
|
||||
<ul>
|
||||
<li>If user tries to allocate more memory from that heap using this allocator, the allocation fails with <code>VK_ERROR_OUT_OF_DEVICE_MEMORY</code>.</li>
|
||||
<li>If the limit is smaller than heap size reported in <code>VkMemoryHeap::size</code>, the value of this limit will be reported instead when using <a class="el" href="vk__mem__alloc_8h.html#ada321efa19065e5a87f79dcbe11369a5">vmaGetMemoryProperties()</a>.</li>
|
||||
<li>If the limit is smaller than heap size reported in <code>VkMemoryHeap::size</code>, the value of this limit will be reported instead when using <a class="el" href="vk__mem__alloc_8h.html#ab88db292a17974f911182543fda52d19">vmaGetMemoryProperties()</a>.</li>
|
||||
</ul>
|
||||
<p>Warning! Using this feature may not be equivalent to installing a GPU with smaller amount of memory, because graphics driver doesn't necessary fail new allocations with <code>VK_ERROR_OUT_OF_DEVICE_MEMORY</code> result when memory capacity is exceeded. It may return success and just silently migrate some device memory blocks to system RAM. This driver behavior can also be controlled using VK_AMD_memory_overallocation_behavior extension. </p>
|
||||
|
||||
|
||||
@ -105,7 +105,8 @@ Public Attributes</h2></td></tr>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Sum size of all allocations created in particular heap, in bytes. </p>
|
||||
<p>Always less or equal than <code>blockBytes</code>. Difference <code>blockBytes - allocationBytes</code> is the amount of memory allocated but unused - available for new allocations or wasted due to fragmentation. </p>
|
||||
<p>Usually less or equal than <code>blockBytes</code>. Difference <code>blockBytes - allocationBytes</code> is the amount of memory allocated but unused - available for new allocations or wasted due to fragmentation.</p>
|
||||
<p>It might be greater than <code>blockBytes</code> if there are some allocations in lost state, as they account to this value as well. </p>
|
||||
|
||||
</div>
|
||||
</div>
|
||||
|
||||
@ -72,7 +72,7 @@ $(function() {
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Represents Opaque object that represents started defragmentation process. </p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and call function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9" title="Ends defragmentation process.">vmaDefragmentationEnd()</a> to destroy it. </p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and call function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2" title="Ends defragmentation process.">vmaDefragmentationEnd()</a> to destroy it. </p>
|
||||
</div><hr/>The documentation for this struct was generated from the following file:<ul>
|
||||
<li><a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a></li>
|
||||
</ul>
|
||||
|
||||
@ -69,7 +69,7 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
|
||||
<p>Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>.
|
||||
<p>Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>.
|
||||
<a href="struct_vma_defragmentation_info.html#details">More...</a></p>
|
||||
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
@ -84,8 +84,8 @@ Public Attributes</h2></td></tr>
|
||||
<tr class="separator:aa7c7304e13c71f604c907196c4e28fbc"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>. </p>
|
||||
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd></dl>
|
||||
<div class="textblock"><p>Deprecated. Optional configuration parameters to be passed to function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>. </p>
|
||||
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000001">Deprecated:</a></b></dt><dd>This is a part of the old interface. It is recommended to use structure <a class="el" href="struct_vma_defragmentation_info2.html" title="Parameters for defragmentation.">VmaDefragmentationInfo2</a> and function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a> instead. </dd></dl>
|
||||
</div><h2 class="groupheader">Member Data Documentation</h2>
|
||||
<a id="aa7c7304e13c71f604c907196c4e28fbc"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#aa7c7304e13c71f604c907196c4e28fbc">◆ </a></span>maxAllocationsToMove</h2>
|
||||
|
||||
@ -112,7 +112,7 @@ Public Attributes</h2></td></tr>
|
||||
</table>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Parameters for defragmentation. </p>
|
||||
<p>To be used with function <a class="el" href="vk__mem__alloc_8h.html#a696fc71963b7711cc0db3cc2225d0cd7" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>. </p>
|
||||
<p>To be used with function <a class="el" href="vk__mem__alloc_8h.html#a36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>. </p>
|
||||
</div><h2 class="groupheader">Member Data Documentation</h2>
|
||||
<a id="a3cf86ab32c1da779b4923d301a3056ba"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#a3cf86ab32c1da779b4923d301a3056ba">◆ </a></span>allocationCount</h2>
|
||||
@ -143,7 +143,7 @@ Public Attributes</h2></td></tr>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Optional. Command buffer where GPU copy commands will be posted. </p>
|
||||
<p>If not null, it must be a valid command buffer handle that supports Transfer queue type. It must be in the recording state and outside of a render pass instance. You need to submit it and make sure it finished execution before calling <a class="el" href="vk__mem__alloc_8h.html#a5e9d96ef2cbd8263cc523da91d1b40c9" title="Ends defragmentation process.">vmaDefragmentationEnd()</a>.</p>
|
||||
<p>If not null, it must be a valid command buffer handle that supports Transfer queue type. It must be in the recording state and outside of a render pass instance. You need to submit it and make sure it finished execution before calling <a class="el" href="vk__mem__alloc_8h.html#a8774e20e91e245aae959ba63efa15dd2" title="Ends defragmentation process.">vmaDefragmentationEnd()</a>.</p>
|
||||
<p>Passing null means that only CPU defragmentation will be performed. </p>
|
||||
|
||||
</div>
|
||||
@ -295,7 +295,7 @@ Public Attributes</h2></td></tr>
|
||||
</div><div class="memdoc">
|
||||
|
||||
<p>Either null or pointer to array of pools to be defragmented. </p>
|
||||
<p>All the allocations in the specified pools can be moved during defragmentation and there is no way to check if they were really moved as in <code>pAllocationsChanged</code>, so you must query all the allocations in all these pools for new <code>VkDeviceMemory</code> and offset using <a class="el" href="vk__mem__alloc_8h.html#ae10b53588f197141c6e88a1f5ec34789" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you might need to recreate buffers and images bound to them.</p>
|
||||
<p>All the allocations in the specified pools can be moved during defragmentation and there is no way to check if they were really moved as in <code>pAllocationsChanged</code>, so you must query all the allocations in all these pools for new <code>VkDeviceMemory</code> and offset using <a class="el" href="vk__mem__alloc_8h.html#a86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation and atomically marks it as used in current fra...">vmaGetAllocationInfo()</a> if you might need to recreate buffers and images bound to them.</p>
|
||||
<p>The array should have <code>poolCount</code> elements. The array should not contain nulls. Elements in the array should be unique - same pool cannot occur twice.</p>
|
||||
<p>Using this array is equivalent to specifying all allocations from the pools in <code>pAllocations</code>. It might be more efficient. </p>
|
||||
|
||||
|
||||
@ -69,7 +69,7 @@ $(function() {
|
||||
</div><!--header-->
|
||||
<div class="contents">
|
||||
|
||||
<p>Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>.
|
||||
<p>Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>.
|
||||
<a href="struct_vma_defragmentation_stats.html#details">More...</a></p>
|
||||
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
@ -90,7 +90,7 @@ Public Attributes</h2></td></tr>
|
||||
<tr class="separator:a0113f1877904a5d1ee8f409216ff276b"><td class="memSeparator" colspan="2"> </td></tr>
|
||||
</table>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a2c33b164a2597db181db3ca8e5812e4c" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>. </p>
|
||||
<div class="textblock"><p>Statistics returned by function <a class="el" href="vk__mem__alloc_8h.html#a6aced90fcc7b39882b6654a740a0b9bb" title="Deprecated. Compacts memory by moving allocations.">vmaDefragment()</a>. </p>
|
||||
</div><h2 class="groupheader">Member Data Documentation</h2>
|
||||
<a id="aefeabf130022008eadd75999478af3f9"></a>
|
||||
<h2 class="memtitle"><span class="permalink"><a href="#aefeabf130022008eadd75999478af3f9">◆ </a></span>allocationsMoved</h2>
|
||||
|
||||
@ -72,7 +72,7 @@ $(function() {
|
||||
<p><code>#include <<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>></code></p>
|
||||
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
|
||||
<div class="textblock"><p>Represents custom memory pool. </p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_pool_create_info.html" title="Describes parameter of created VmaPool.">VmaPoolCreateInfo</a> and call function <a class="el" href="vk__mem__alloc_8h.html#aee3406ab6b195cd85207ca2ef2d13a57" title="Allocates Vulkan device memory and creates VmaPool object.">vmaCreatePool()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#a11693ab08f65761a142c466c5eceb849" title="Destroys VmaPool object and frees Vulkan device memory.">vmaDestroyPool()</a> to destroy it.</p>
|
||||
<p>Fill structure <a class="el" href="struct_vma_pool_create_info.html" title="Describes parameter of created VmaPool.">VmaPoolCreateInfo</a> and call function <a class="el" href="vk__mem__alloc_8h.html#a5c8770ded7c59c8caac6de0c2cb00b50" title="Allocates Vulkan device memory and creates VmaPool object.">vmaCreatePool()</a> to create it. Call function <a class="el" href="vk__mem__alloc_8h.html#a5485779c8f1948238fc4e92232fa65e1" title="Destroys VmaPool object and frees Vulkan device memory.">vmaDestroyPool()</a> to destroy it.</p>
|
||||
<p>For more information see <a class="el" href="choosing_memory_type.html#choosing_memory_type_custom_memory_pools">Custom memory pools</a>. </p>
|
||||
</div><hr/>The documentation for this struct was generated from the following file:<ul>
|
||||
<li><a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a></li>
|
||||
|
||||
File diff suppressed because it is too large
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Load Diff
@ -76,8 +76,8 @@ $(function() {
|
||||
<p>2 . Use <a class="el" href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7cace7da7cc6e71a625dfa763c55a597878" title="Enables usage of VK_KHR_dedicated_allocation extension.">VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT</a> flag when creating your <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a>`to inform the library that you enabled required extensions and you want the library to use them.</p>
|
||||
<div class="fragment"><div class="line">allocatorInfo.<a class="code" href="struct_vma_allocator_create_info.html#a392ea2ecbaff93f91a7c49f735ad4346">flags</a> |= <a class="code" href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7cace7da7cc6e71a625dfa763c55a597878">VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT</a>;</div>
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||||
<div class="line"> </div>
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||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vmaCreateAllocator</a>(&allocatorInfo, &allocator);</div>
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||||
</div><!-- fragment --><p>That's all. The extension will be automatically used whenever you create a buffer using <a class="el" href="vk__mem__alloc_8h.html#aafee10cbb01be73c643ed7e02c31003f">vmaCreateBuffer()</a> or image using <a class="el" href="vk__mem__alloc_8h.html#a001bd7a2077a42caf256a6fb2f2ba131" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>.</p>
|
||||
<div class="line"><a class="code" href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a>(&allocatorInfo, &allocator);</div>
|
||||
</div><!-- fragment --><p>That's all. The extension will be automatically used whenever you create a buffer using <a class="el" href="vk__mem__alloc_8h.html#ac72ee55598617e8eecca384e746bab51">vmaCreateBuffer()</a> or image using <a class="el" href="vk__mem__alloc_8h.html#a02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>.</p>
|
||||
<p>When using the extension together with Vulkan Validation Layer, you will receive warnings like this: </p><pre class="fragment">vkBindBufferMemory(): Binding memory to buffer 0x33 but vkGetBufferMemoryRequirements() has not been called on that buffer.
|
||||
</pre><p>It is OK, you should just ignore it. It happens because you use function <code>vkGetBufferMemoryRequirements2KHR()</code> instead of standard <code>vkGetBufferMemoryRequirements()</code>, while the validation layer seems to be unaware of it.</p>
|
||||
<p>To learn more about this extension, see:</p>
|
||||
@ -88,8 +88,8 @@ $(function() {
|
||||
</div></div><!-- contents -->
|
||||
</div><!-- PageDoc -->
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a4f87c9100d154a65a4ad495f7763cf7cace7da7cc6e71a625dfa763c55a597878"><div class="ttname"><a href="vk__mem__alloc_8h.html#a4f87c9100d154a65a4ad495f7763cf7cace7da7cc6e71a625dfa763c55a597878">VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT</a></div><div class="ttdoc">Enables usage of VK_KHR_dedicated_allocation extension.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1882</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_af2bacace15ecc6886e4e4de5d1b77e4d"><div class="ttname"><a href="vk__mem__alloc_8h.html#af2bacace15ecc6886e4e4de5d1b77e4d">vmaCreateAllocator</a></div><div class="ttdeci">VMA_CALL_PRE VkResult VMA_CALL_POST vmaCreateAllocator(const VmaAllocatorCreateInfo *pCreateInfo, VmaAllocator *pAllocator)</div><div class="ttdoc">Creates Allocator object.</div></div>
|
||||
<div class="ttc" id="astruct_vma_allocator_create_info_html_a392ea2ecbaff93f91a7c49f735ad4346"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a392ea2ecbaff93f91a7c49f735ad4346">VmaAllocatorCreateInfo::flags</a></div><div class="ttdeci">VmaAllocatorCreateFlags flags</div><div class="ttdoc">Flags for created allocator. Use VmaAllocatorCreateFlagBits enum.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1979</div></div>
|
||||
<div class="ttc" id="avk__mem__alloc_8h_html_a200692051ddb34240248234f5f4c17bb"><div class="ttname"><a href="vk__mem__alloc_8h.html#a200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a></div><div class="ttdeci">VkResult vmaCreateAllocator(const VmaAllocatorCreateInfo *pCreateInfo, VmaAllocator *pAllocator)</div><div class="ttdoc">Creates Allocator object.</div></div>
|
||||
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