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Changes in ALLOCATION_CREATE_STRATEGY flags. COMPATIBILITY BREAKING!

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Removed flags: VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT, VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT, VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT.
Regenerated documentation.
This commit is contained in:
Adam Sawicki 2022-01-26 17:47:11 +01:00
parent 6c1c16f05c
commit ed83ac24d2
18 changed files with 282 additions and 342 deletions
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docs/html/allocation_annotation.html
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@ -86,17 +86,17 @@ Allocation user data</h1>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufferInfo, &amp;allocCreateInfo, &amp;buffer, &amp;allocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_gac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">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="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1134</div></div>
<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:1173</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:1142</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:1119</div></div>
<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:1158</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:1127</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><!-- 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>
<div class="fragment"><div class="line"><a class="code hl_struct" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocation, &amp;allocInfo);</div>
<div class="line">MyBufferMetadata* pMetadata = (MyBufferMetadata*)allocInfo.<a class="code hl_variable" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a>;</div>
<div class="ttc" id="agroup__group__alloc_html_ga86dd08aba8633bfa4ad0df2e76481d8b"><div class="ttname"><a href="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a></div><div class="ttdeci">void vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation.</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:1276</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:1323</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:1261</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:1308</div></div>
</div><!-- fragment --><p >It can also be changed using function <a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>.</p>
<p >Values of (non-zero) allocations' <code>pUserData</code> are printed in JSON report created by <a class="el" href="group__group__stats.html#gaa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as a null-terminated string in JSON format.">vmaBuildStatsString()</a>, in hexadecimal form.</p>
<h1><a class="anchor" id="allocation_names"></a>
@ -118,7 +118,7 @@ Allocation names</h1>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#ga02a94f25679275851a53e82eacbcfc73">vmaCreateImage</a>(allocator, &amp;imageInfo, &amp;allocCreateInfo, &amp;image, &amp;allocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_ga02a94f25679275851a53e82eacbcfc73"><div class="ttname"><a href="group__group__alloc.html#ga02a94f25679275851a53e82eacbcfc73">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>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:550</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:1136</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:1121</div></div>
</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>
<div class="fragment"><div class="line"><a class="code hl_struct" href="struct_vma_allocation_info.html">VmaAllocationInfo</a> allocInfo;</div>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a>(allocator, allocation, &amp;allocInfo);</div>

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@ -95,8 +95,8 @@ Usage</h1>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufferInfo, &amp;allocInfo, &amp;buffer, &amp;allocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_gac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">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="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1134</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:1142</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:1119</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:1127</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><!-- fragment --><h1><a class="anchor" id="choosing_memory_type_required_preferred_flags"></a>
Required and preferred flags</h1>
@ -110,9 +110,9 @@ Required and preferred flags</h1>
<div class="line"><a class="code hl_struct" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufferInfo, &amp;allocInfo, &amp;buffer, &amp;allocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_MAPPED_BIT</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:540</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:1152</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:1147</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:1136</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:1137</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:1132</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:1121</div></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>
@ -127,7 +127,7 @@ Explicit memory types</h1>
<div class="line">VkBuffer buffer;</div>
<div class="line"><a class="code hl_struct" href="struct_vma_allocation.html">VmaAllocation</a> allocation;</div>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufferInfo, &amp;allocInfo, &amp;buffer, &amp;allocation, <span class="keyword">nullptr</span>);</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:1160</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:1145</div></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>

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@ -108,13 +108,13 @@ $(function() {
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufCreateInfo, &amp;allocCreateInfo, &amp;buf, &amp;alloc, &amp;allocInfo);</div>
<div class="ttc" id="agroup__group__alloc_html_ga5c8770ded7c59c8caac6de0c2cb00b50"><div class="ttname"><a href="group__group__alloc.html#ga5c8770ded7c59c8caac6de0c2cb00b50">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="agroup__group__alloc_html_gac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">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_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:1134</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:1166</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:1119</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:1151</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="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:1276</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:1185</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:1188</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:1214</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:1261</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:1170</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:1173</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:1199</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><!-- 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 hl_function" href="group__group__alloc.html#ga0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a>(allocator, buf, alloc);</div>
@ -140,7 +140,7 @@ Choosing memory type index</h1>
<div class="line"><span class="comment">// ...</span></div>
<div class="ttc" id="agroup__group__alloc_html_gae790ab9ffaf7667fb8f62523e6897888"><div class="ttname"><a href="group__group__alloc.html#gae790ab9ffaf7667fb8f62523e6897888">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="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1142</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:1127</div></div>
</div><!-- fragment --><p >When creating buffers/images allocated in that pool, provide following parameters:</p>
<ul>
<li><code>VkBufferCreateInfo</code>: Prefer to pass same parameters as above. Otherwise you risk creating resources in a memory type that is not suitable for them, which may result in undefined behavior. Using different <code>VK_BUFFER_USAGE_</code> flags may work, but you shouldn't create images in a pool intended for buffers or the other way around.</li>

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@ -133,15 +133,15 @@ Defragmenting CPU memory</h1>
<div class="ttc" id="agroup__group__alloc_html_ga6b0929b914b60cf2d45cac4bf3547470"><div class="ttname"><a href="group__group__alloc.html#ga6b0929b914b60cf2d45cac4bf3547470">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="agroup__group__alloc_html_ga86dd08aba8633bfa4ad0df2e76481d8b"><div class="ttname"><a href="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b">vmaGetAllocationInfo</a></div><div class="ttdeci">void vmaGetAllocationInfo(VmaAllocator allocator, VmaAllocation allocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">Returns current information about specified allocation.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ga8774e20e91e245aae959ba63efa15dd2"><div class="ttname"><a href="group__group__alloc.html#ga8774e20e91e245aae959ba63efa15dd2">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_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:1276</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:1261</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_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"><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:1331</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:1337</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:1351</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:1380</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info2_html_ab6d288f29d028156cf73542d630a2e32"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#ab6d288f29d028156cf73542d630a2e32">VmaDefragmentationInfo2::pAllocations</a></div><div class="ttdeci">const 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:1345</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:1375</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:1316</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:1322</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:1336</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:1365</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info2_html_ab6d288f29d028156cf73542d630a2e32"><div class="ttname"><a href="struct_vma_defragmentation_info2.html#ab6d288f29d028156cf73542d630a2e32">VmaDefragmentationInfo2::pAllocations</a></div><div class="ttdeci">const 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:1330</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:1360</div></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#ab6d288f29d028156cf73542d630a2e32" 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="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation.">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#a3c9c6aa5c97d5670f8e362b3a6f3029b" 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#ab6d288f29d028156cf73542d630a2e32" 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>
@ -203,9 +203,9 @@ Defragmenting GPU memory</h1>
<div class="line"> <a class="code hl_function" href="group__group__alloc.html#ga6b0929b914b60cf2d45cac4bf3547470">vmaBindBufferMemory</a>(allocator, allocations[i], buffers[i]);</div>
<div class="line"> }</div>
<div class="line">}</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:1390</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:1385</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:1399</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:1375</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:1370</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:1384</div></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="group__group__alloc.html#ga36ba776fd7fd5cb1e9359fdc0d8e6e8a" title="Begins defragmentation process.">vmaDefragmentationBegin()</a>.</p>
<h1><a class="anchor" id="defragmentation_additional_notes"></a>

3
docs/html/globals.html
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@ -84,10 +84,8 @@ $(function() {
<li>VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MASK&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a42ba3a2d2c7117953210b7c3ef8da0df">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d">vk_mem_alloc.h</a></li>
@ -122,7 +120,6 @@ $(function() {
<li>VMA_STATS_STRING_ENABLED&#160;:&#160;<a class="el" href="vk__mem__alloc_8h.html#ae25f0d55fd91cb166f002b63244800e1">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ae2a9591a62b5e3b1bdcbc81c6188a1bf">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9524a329a55b5ec390d57d90b67ad78e">vk_mem_alloc.h</a></li>

3
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@ -76,10 +76,8 @@ $(function() {
<li>VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MASK&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a42ba3a2d2c7117953210b7c3ef8da0df">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">vk_mem_alloc.h</a></li>
<li>VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d">vk_mem_alloc.h</a></li>
@ -109,7 +107,6 @@ $(function() {
<li>VMA_POOL_CREATE_TLSF_ALGORITHM_BIT&#160;:&#160;<a class="el" href="group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a855ee6e02e46d835ee28c8cd596b7e32">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ae2a9591a62b5e3b1bdcbc81c6188a1bf">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b">vk_mem_alloc.h</a></li>
<li>VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT&#160;:&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9524a329a55b5ec390d57d90b67ad78e">vk_mem_alloc.h</a></li>

28
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@ -181,15 +181,12 @@ Enumerations</h2></td></tr>
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d">VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT</a> = 0x00000100
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597afb0ee060cd733aaa5e249704ff589ad6">VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT</a> = 0x00000200
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT</a> = 0x00010000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62">VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT</a> = 0x00020000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = 0x00010000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = 0x00040000
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT</a> = 0x00040000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706">VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">VMA_ALLOCATION_CREATE_STRATEGY_MASK</a>
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">VMA_ALLOCATION_CREATE_STRATEGY_MASK</a>
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ae5633ec569f4899cf8f29e7385b2f882">VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
<br />
}</td></tr>
@ -605,20 +602,15 @@ Functions</h2></td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d" name="ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d"></a>VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT&#160;</td><td class="fielddoc"><p >Create allocation only if additional device memory required for it, if any, won't exceed memory budget. Otherwise return <code>VK_ERROR_OUT_OF_DEVICE_MEMORY</code>. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597afb0ee060cd733aaa5e249704ff589ad6" name="ggad9889c10c798b040d59c92f257cae597afb0ee060cd733aaa5e249704ff589ad6"></a>VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT&#160;</td><td class="fielddoc"><p >Set this flag if the allocated memory will have aliasing resources. </p>
<p >Usage of this flag prevents supplying <code>VkMemoryDedicatedAllocateInfoKHR</code> when VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT is specified. Otherwise created dedicated memory will not be suitable for aliasing resources, resulting in Vulkan Validation Layer errors. </p>
<p >Usage of this flag prevents supplying <code>VkMemoryDedicatedAllocateInfoKHR</code> when <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a3fc311d855c2ff53f1090ef5c722b38f" title="Set this flag if the allocation should have its own memory block.">VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT</a> is specified. Otherwise created dedicated memory will not be suitable for aliasing resources, resulting in Vulkan Validation Layer errors. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d" name="ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d"></a>VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that chooses smallest possible free range for the allocation. </p>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d" name="ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d"></a>VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that chooses smallest possible free range for the allocation to minimize memory usage and fragmentation, possibly at the expense of allocation time. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62" name="ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62"></a>VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that chooses biggest possible free range for the allocation. </p>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d" name="ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d"></a>VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that chooses first suitable free range for the allocation - not necessarily in terms of the smallest offset but the one that is easiest and fastest to find to minimize allocation time, possibly at the expense of allocation quality. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777" name="ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777"></a>VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that chooses first suitable free range for the allocation.</p>
<p >"First" doesn't necessarily means the one with smallest offset in memory, but rather the one that is easiest and fastest to find. </p>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d" name="ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d"></a>VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT&#160;</td><td class="fielddoc"><p >Alias to <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a>. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d" name="ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d"></a>VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that tries to minimize memory usage. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d" name="ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d"></a>VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that tries to minimize allocation time. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706" name="ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706"></a>VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that tries to minimize memory fragmentation. </p>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777" name="ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777"></a>VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT&#160;</td><td class="fielddoc"><p >Alias to <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a>. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e" name="ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e"></a>VMA_ALLOCATION_CREATE_STRATEGY_MASK&#160;</td><td class="fielddoc"><p >A bit mask to extract only <code>STRATEGY</code> bits from entire set of flags. </p>
</td></tr>

7
docs/html/group__group__virtual.html
View File

@ -133,10 +133,9 @@ Enumerations</h2></td></tr>
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9524a329a55b5ec390d57d90b67ad78e">VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT</a> = VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ae2a9591a62b5e3b1bdcbc81c6188a1bf">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK</a> = VMA_ALLOCATION_CREATE_STRATEGY_MASK
, <br />
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK</a> = VMA_ALLOCATION_CREATE_STRATEGY_MASK
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
<br />
}</td></tr>
<tr class="memdesc:ga2e9c64d405b14156fea7e10c4ad06cb6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Flags to be passed as <a class="el" href="struct_vma_virtual_allocation_create_info.html#ab10e16956cc4bf20ced9de77d1129ea4" title="Use combination of VmaVirtualAllocationCreateFlagBits.">VmaVirtualAllocationCreateInfo::flags</a>. <a href="group__group__virtual.html#ga2e9c64d405b14156fea7e10c4ad06cb6">More...</a><br /></td></tr>
@ -311,8 +310,6 @@ Functions</h2></td></tr>
</td></tr>
<tr><td class="fieldname"><a id="gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b" name="gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b"></a>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that tries to minimize allocation time. </p>
</td></tr>
<tr><td class="fieldname"><a id="gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a" name="gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a"></a>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT&#160;</td><td class="fielddoc"><p >Allocation strategy that tries to minimize memory fragmentation. </p>
</td></tr>
<tr><td class="fieldname"><a id="gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3" name="gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3"></a>VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK&#160;</td><td class="fielddoc"><p >A bit mask to extract only <code>STRATEGY</code> bits from entire set of flags. </p>
<p >These strategy flags are binary compatible with equivalent flags in <a class="el" href="group__group__alloc.html#gad9889c10c798b040d59c92f257cae597" title="Flags to be passed as VmaAllocationCreateInfo::flags.">VmaAllocationCreateFlagBits</a>. </p>
</td></tr>

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@ -66,7 +66,7 @@ $(function() {
</div><!--header-->
<div class="contents">
<div class="textblock"><p ><b>Version 3.0.0-development</b></p>
<p >Copyright (c) 2017-2021 Advanced Micro Devices, Inc. All rights reserved. <br />
<p >Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved. <br />
License: MIT</p>
<p ><b>API documentation divided into groups:</b> <a href="modules.html">Modules</a></p>
<h1><a class="anchor" id="main_table_of_contents"></a>

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@ -119,11 +119,11 @@ Persistently mapped memory</h1>
<div class="ttc" id="agroup__group__alloc_html_gac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">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="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5">VMA_MEMORY_USAGE_CPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_CPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:476</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f">VMA_ALLOCATION_CREATE_MAPPED_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_MAPPED_BIT</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:540</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:1134</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:1142</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:1136</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:1276</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:1318</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:1119</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:1127</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:1121</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:1261</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:1303</div></div>
</div><!-- fragment --><p >There are some exceptions though, when you should consider mapping memory only for a short period of time:</p>
<ul>
<li>When operating system is Windows 7 or 8.x (Windows 10 is not affected because it uses WDDM2), device is discrete AMD GPU, and memory type is the special 256 MiB pool of <code>DEVICE_LOCAL + HOST_VISIBLE</code> memory (selected when you use <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca9066b52c5a7079bb74a69aaf8b92ff67">VMA_MEMORY_USAGE_CPU_TO_GPU</a>), then whenever a memory block allocated from this memory type stays mapped for the time of any call to <code>vkQueueSubmit()</code> or <code>vkQueuePresentKHR()</code>, this block is migrated by WDDM to system RAM, which degrades performance. It doesn't matter if that particular memory block is actually used by the command buffer being submitted.</li>
@ -168,7 +168,7 @@ Finding out if memory is mappable</h1>
<div class="line">}</div>
<div class="ttc" id="agroup__group__alloc_html_ga571e87dd38e552249b56b1b0b982fad1"><div class="ttname"><a href="group__group__alloc.html#ga571e87dd38e552249b56b1b0b982fad1">vmaGetAllocationMemoryProperties</a></div><div class="ttdeci">void vmaGetAllocationMemoryProperties(VmaAllocator allocator, VmaAllocation allocation, VkMemoryPropertyFlags *pFlags)</div><div class="ttdoc">Given an allocation, returns Property Flags of its memory type.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1152</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:1137</div></div>
</div><!-- fragment --><p >You can even use <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a11da372cc3a82931c5e5d6146cd9dd1f" 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 while creating allocations that are not necessarily <code>HOST_VISIBLE</code> (e.g. using <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a>). If the allocation ends up in memory type that is <code>HOST_VISIBLE</code>, it will be persistently mapped and you can use it directly. If not, the flag is just ignored. Example:</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>

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@ -105,11 +105,11 @@ Initialization</h1>
<div class="line"><a class="code hl_struct" href="struct_vma_allocator.html">VmaAllocator</a> allocator;</div>
<div class="line"><a class="code hl_function" href="group__group__init.html#ga200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a>(&amp;allocatorInfo, &amp;allocator);</div>
<div class="ttc" id="agroup__group__init_html_ga200692051ddb34240248234f5f4c17bb"><div class="ttname"><a href="group__group__init.html#ga200692051ddb34240248234f5f4c17bb">vmaCreateAllocator</a></div><div class="ttdeci">VkResult vmaCreateAllocator(const VmaAllocatorCreateInfo *pCreateInfo, VmaAllocator *pAllocator)</div><div class="ttdoc">Creates VmaAllocator object.</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:960</div></div>
<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:965</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_a70dd42e29b1df1d1b9b61532ae0b370b"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a70dd42e29b1df1d1b9b61532ae0b370b">VmaAllocatorCreateInfo::instance</a></div><div class="ttdeci">VkInstance instance</div><div class="ttdoc">Handle to Vulkan instance object.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1013</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:968</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_ae0ffc55139b54520a6bb704b29ffc285"><div class="ttname"><a href="struct_vma_allocator_create_info.html#ae0ffc55139b54520a6bb704b29ffc285">VmaAllocatorCreateInfo::vulkanApiVersion</a></div><div class="ttdeci">uint32_t vulkanApiVersion</div><div class="ttdoc">Optional. The highest version of Vulkan that the application is designed to use.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1022</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:945</div></div>
<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:950</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_a70dd42e29b1df1d1b9b61532ae0b370b"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a70dd42e29b1df1d1b9b61532ae0b370b">VmaAllocatorCreateInfo::instance</a></div><div class="ttdeci">VkInstance instance</div><div class="ttdoc">Handle to Vulkan instance object.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:998</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:953</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_ae0ffc55139b54520a6bb704b29ffc285"><div class="ttname"><a href="struct_vma_allocator_create_info.html#ae0ffc55139b54520a6bb704b29ffc285">VmaAllocatorCreateInfo::vulkanApiVersion</a></div><div class="ttdeci">uint32_t vulkanApiVersion</div><div class="ttdoc">Optional. The highest version of Vulkan that the application is designed to use.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1007</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><!-- fragment --><p >Only members <code>physicalDevice</code>, <code>device</code>, <code>instance</code> are required. However, you should inform the library which Vulkan version do you use by setting <a class="el" href="struct_vma_allocator_create_info.html#ae0ffc55139b54520a6bb704b29ffc285" title="Optional. The highest version of Vulkan that the application is designed to use.">VmaAllocatorCreateInfo::vulkanApiVersion</a> and which extensions did you enable by setting <a class="el" href="struct_vma_allocator_create_info.html#a392ea2ecbaff93f91a7c49f735ad4346" title="Flags for created allocator. Use VmaAllocatorCreateFlagBits enum.">VmaAllocatorCreateInfo::flags</a> (like <a class="el" href="group__group__init.html#gga4f87c9100d154a65a4ad495f7763cf7ca5f1b28b0414319d1687e1f2b30ab0089">VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT</a> for VK_KHR_buffer_device_address). Otherwise, VMA would use only features of Vulkan 1.0 core with no extensions.</p>
<h1><a class="anchor" id="quick_start_resource_allocation"></a>
@ -132,8 +132,8 @@ Resource allocation</h1>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufferInfo, &amp;allocInfo, &amp;buffer, &amp;allocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_gac72ee55598617e8eecca384e746bab51"><div class="ttname"><a href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">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="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1134</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:1142</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:1119</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:1127</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><!-- fragment --><p >Don't forget to destroy your objects when no longer needed:</p>
<div class="fragment"><div class="line"><a class="code hl_function" href="group__group__alloc.html#ga0d9f4e4ba5bf9aab1f1c746387753d77">vmaDestroyBuffer</a>(allocator, buffer, allocation);</div>

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@ -141,8 +141,8 @@ $(function() {
<div class="ttc" id="agroup__group__alloc_html_ga5fea5518972ae9094b1526cbcb19b05f"><div class="ttname"><a href="group__group__alloc.html#ga5fea5518972ae9094b1526cbcb19b05f">vmaFreeMemory</a></div><div class="ttdeci">void vmaFreeMemory(VmaAllocator allocator, const VmaAllocation allocation)</div><div class="ttdoc">Frees memory previously allocated using vmaAllocateMemory(), vmaAllocateMemoryForBuffer(),...</div></div>
<div class="ttc" id="agroup__group__alloc_html_gabf28077dbf82d0908b8acbe8ee8dd9b8"><div class="ttname"><a href="group__group__alloc.html#gabf28077dbf82d0908b8acbe8ee8dd9b8">vmaAllocateMemory</a></div><div class="ttdeci">VkResult vmaAllocateMemory(VmaAllocator allocator, const VkMemoryRequirements *pVkMemoryRequirements, const VmaAllocationCreateInfo *pCreateInfo, VmaAllocation *pAllocation, VmaAllocationInfo *pAllocationInfo)</div><div class="ttdoc">General purpose memory allocation.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccac6b5dc1432d88647aa4cd456246eadf7">VMA_MEMORY_USAGE_GPU_ONLY</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_GPU_ONLY</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:466</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:1134</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:1142</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:1119</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:1127</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><!-- fragment --><p >Remember that using resources that alias in memory requires proper synchronization. You need to issue a memory barrier to make sure commands that use <code>img1</code> and <code>img2</code> don't overlap on GPU timeline. You also need to treat a resource after aliasing as uninitialized - containing garbage data. For example, if you use <code>img1</code> and then want to use <code>img2</code>, you need to issue an image memory barrier for <code>img2</code> with <code>oldLayout</code> = <code>VK_IMAGE_LAYOUT_UNDEFINED</code>.</p>
<p >Additional considerations:</p>

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['vma_5fmemory_5fusage_5fmax_5fenum_32',['VMA_MEMORY_USAGE_MAX_ENUM',['../group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca091e69437ef693e8d0d287f1c719ba6e',1,'vk_mem_alloc.h']]],
['vma_5fmemory_5fusage_5funknown_33',['VMA_MEMORY_USAGE_UNKNOWN',['../group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccaf50d27e34e0925cf3a63db8c839121dd',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5falgorithm_5fmask_34',['VMA_POOL_CREATE_ALGORITHM_MASK',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7af4d270f8f42517a0f70037ceb6ac1d9c',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5fbuddy_5falgorithm_5fbit_35',['VMA_POOL_CREATE_BUDDY_ALGORITHM_BIT',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a97a0dc38e5161b780594d998d313d35e',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5fflag_5fbits_5fmax_5fenum_36',['VMA_POOL_CREATE_FLAG_BITS_MAX_ENUM',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a1c7312bea9ea246846b9054fd6bd6aec',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5fignore_5fbuffer_5fimage_5fgranularity_5fbit_37',['VMA_POOL_CREATE_IGNORE_BUFFER_IMAGE_GRANULARITY_BIT',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a9f1a499508a8edb4e8ba40aa0290a3d2',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5flinear_5falgorithm_5fbit_38',['VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a13c8a444197c67866be9cb05599fc726',1,'vk_mem_alloc.h']]],
['vma_5fpool_5fcreate_5ftlsf_5falgorithm_5fbit_39',['VMA_POOL_CREATE_TLSF_ALGORITHM_BIT',['../group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a855ee6e02e46d835ee28c8cd596b7e32',1,'vk_mem_alloc.h']]],
['vma_5fvirtual_5fallocation_5fcreate_5fflag_5fbits_5fmax_5fenum_40',['VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM',['../group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9',1,'vk_mem_alloc.h']]],
['vma_5fvirtual_5fallocation_5fcreate_5fstrategy_5fmask_41',['VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK',['../group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3',1,'vk_mem_alloc.h']]],
['vma_5fvirtual_5fallocation_5fcreate_5fstrategy_5fmin_5fmemory_5fbit_42',['VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT',['../group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ae2a9591a62b5e3b1bdcbc81c6188a1bf',1,'vk_mem_alloc.h']]],
['vma_5fvirtual_5fallocation_5fcreate_5fstrategy_5fmin_5ftime_5fbit_43',['VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT',['../group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b',1,'vk_mem_alloc.h']]],
['vma_5fvirtual_5fallocation_5fcreate_5fupper_5faddress_5fbit_44',['VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT',['../group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9524a329a55b5ec390d57d90b67ad78e',1,'vk_mem_alloc.h']]],
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20
docs/html/virtual_allocator.html
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@ -84,8 +84,8 @@ Creating virtual block</h1>
<div class="line"><a class="code hl_struct" href="struct_vma_virtual_block.html">VmaVirtualBlock</a> block;</div>
<div class="line">VkResult res = <a class="code hl_function" href="group__group__virtual.html#gab585754076877265fdae33e5c40ef13b">vmaCreateVirtualBlock</a>(&amp;blockCreateInfo, &amp;block);</div>
<div class="ttc" id="agroup__group__virtual_html_gab585754076877265fdae33e5c40ef13b"><div class="ttname"><a href="group__group__virtual.html#gab585754076877265fdae33e5c40ef13b">vmaCreateVirtualBlock</a></div><div class="ttdeci">VkResult vmaCreateVirtualBlock(const VmaVirtualBlockCreateInfo *pCreateInfo, VmaVirtualBlock *pVirtualBlock)</div><div class="ttdoc">Creates new VmaVirtualBlock object.</div></div>
<div class="ttc" id="astruct_vma_virtual_block_create_info_html"><div class="ttname"><a href="struct_vma_virtual_block_create_info.html">VmaVirtualBlockCreateInfo</a></div><div class="ttdoc">Parameters of created VmaVirtualBlock object to be passed to vmaCreateVirtualBlock().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1459</div></div>
<div class="ttc" id="astruct_vma_virtual_block_create_info_html_a670ab8c6a6e822f3c36781d79e8824e9"><div class="ttname"><a href="struct_vma_virtual_block_create_info.html#a670ab8c6a6e822f3c36781d79e8824e9">VmaVirtualBlockCreateInfo::size</a></div><div class="ttdeci">VkDeviceSize size</div><div class="ttdoc">Total size of the virtual block.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1465</div></div>
<div class="ttc" id="astruct_vma_virtual_block_create_info_html"><div class="ttname"><a href="struct_vma_virtual_block_create_info.html">VmaVirtualBlockCreateInfo</a></div><div class="ttdoc">Parameters of created VmaVirtualBlock object to be passed to vmaCreateVirtualBlock().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1444</div></div>
<div class="ttc" id="astruct_vma_virtual_block_create_info_html_a670ab8c6a6e822f3c36781d79e8824e9"><div class="ttname"><a href="struct_vma_virtual_block_create_info.html#a670ab8c6a6e822f3c36781d79e8824e9">VmaVirtualBlockCreateInfo::size</a></div><div class="ttdeci">VkDeviceSize size</div><div class="ttdoc">Total size of the virtual block.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1450</div></div>
<div class="ttc" id="astruct_vma_virtual_block_html"><div class="ttname"><a href="struct_vma_virtual_block.html">VmaVirtualBlock</a></div><div class="ttdoc">Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...</div></div>
</div><!-- fragment --><h1><a class="anchor" id="virtual_allocator_making_virtual_allocations"></a>
Making virtual allocations</h1>
@ -111,8 +111,8 @@ Making virtual allocations</h1>
<div class="line"> <span class="comment">// Allocation failed - no space for it could be found. Handle this error!</span></div>
<div class="line">}</div>
<div class="ttc" id="agroup__group__virtual_html_ga6b7cdcc1c3e5103c323fedc4e1319e01"><div class="ttname"><a href="group__group__virtual.html#ga6b7cdcc1c3e5103c323fedc4e1319e01">vmaVirtualAllocate</a></div><div class="ttdeci">VkResult vmaVirtualAllocate(VmaVirtualBlock virtualBlock, const VmaVirtualAllocationCreateInfo *pCreateInfo, VmaVirtualAllocation *pAllocation, VkDeviceSize *pOffset)</div><div class="ttdoc">Allocates new virtual allocation inside given VmaVirtualBlock.</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html">VmaVirtualAllocationCreateInfo</a></div><div class="ttdoc">Parameters of created virtual allocation to be passed to vmaVirtualAllocate().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1480</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html_aae08752b86817abd0d944c6025dc603e"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html#aae08752b86817abd0d944c6025dc603e">VmaVirtualAllocationCreateInfo::size</a></div><div class="ttdeci">VkDeviceSize size</div><div class="ttdoc">Size of the allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1485</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html">VmaVirtualAllocationCreateInfo</a></div><div class="ttdoc">Parameters of created virtual allocation to be passed to vmaVirtualAllocate().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1465</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html_aae08752b86817abd0d944c6025dc603e"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html#aae08752b86817abd0d944c6025dc603e">VmaVirtualAllocationCreateInfo::size</a></div><div class="ttdeci">VkDeviceSize size</div><div class="ttdoc">Size of the allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1470</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_html"><div class="ttname"><a href="struct_vma_virtual_allocation.html">VmaVirtualAllocation</a></div><div class="ttdoc">Represents single memory allocation done inside VmaVirtualBlock.</div></div>
</div><!-- fragment --><h1><a class="anchor" id="virtual_allocator_deallocation"></a>
Deallocation</h1>
@ -140,8 +140,8 @@ Allocation parameters</h1>
<div class="line"> </div>
<div class="line"><a class="code hl_function" href="group__group__virtual.html#ga09fc688c0c3653ff23723b037e5d5033">vmaVirtualFree</a>(block, alloc);</div>
<div class="ttc" id="agroup__group__virtual_html_ga8ee14ceb1fe033ec84d8aa29e1f75afa"><div class="ttname"><a href="group__group__virtual.html#ga8ee14ceb1fe033ec84d8aa29e1f75afa">vmaGetVirtualAllocationInfo</a></div><div class="ttdeci">void vmaGetVirtualAllocationInfo(VmaVirtualBlock virtualBlock, VmaVirtualAllocation allocation, VmaVirtualAllocationInfo *pVirtualAllocInfo)</div><div class="ttdoc">Returns information about a specific virtual allocation within a virtual block, like its size and pUs...</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_info_html"><div class="ttname"><a href="struct_vma_virtual_allocation_info.html">VmaVirtualAllocationInfo</a></div><div class="ttdoc">Parameters of an existing virtual allocation, returned by vmaGetVirtualAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1503</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_info_html_a41d5cb09357656411653d82fee436f45"><div class="ttname"><a href="struct_vma_virtual_allocation_info.html#a41d5cb09357656411653d82fee436f45">VmaVirtualAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom pointer associated with the allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1518</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_info_html"><div class="ttname"><a href="struct_vma_virtual_allocation_info.html">VmaVirtualAllocationInfo</a></div><div class="ttdoc">Parameters of an existing virtual allocation, returned by vmaGetVirtualAllocationInfo().</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1488</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_info_html_a41d5cb09357656411653d82fee436f45"><div class="ttname"><a href="struct_vma_virtual_allocation_info.html#a41d5cb09357656411653d82fee436f45">VmaVirtualAllocationInfo::pUserData</a></div><div class="ttdeci">void * pUserData</div><div class="ttdoc">Custom pointer associated with the allocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1503</div></div>
</div><!-- fragment --><h1><a class="anchor" id="virtual_allocator_alignment_and_units"></a>
Alignment and units</h1>
<p >It feels natural to express sizes and offsets in bytes. If an offset of an allocation needs to be aligned to a multiply of some number (e.g. 4 bytes), you can fill optional member <a class="el" href="struct_vma_virtual_allocation_create_info.html#a9d19709872fc1904a105079e1c885821" title="Required alignment of the allocation. Optional.">VmaVirtualAllocationCreateInfo::alignment</a> to request it. Example:</p>
@ -151,7 +151,7 @@ Alignment and units</h1>
<div class="line"> </div>
<div class="line"><a class="code hl_struct" href="struct_vma_virtual_allocation.html">VmaVirtualAllocation</a> alloc;</div>
<div class="line">res = <a class="code hl_function" href="group__group__virtual.html#ga6b7cdcc1c3e5103c323fedc4e1319e01">vmaVirtualAllocate</a>(block, &amp;allocCreateInfo, &amp;alloc, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html_a9d19709872fc1904a105079e1c885821"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html#a9d19709872fc1904a105079e1c885821">VmaVirtualAllocationCreateInfo::alignment</a></div><div class="ttdeci">VkDeviceSize alignment</div><div class="ttdoc">Required alignment of the allocation. Optional.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1490</div></div>
<div class="ttc" id="astruct_vma_virtual_allocation_create_info_html_a9d19709872fc1904a105079e1c885821"><div class="ttname"><a href="struct_vma_virtual_allocation_create_info.html#a9d19709872fc1904a105079e1c885821">VmaVirtualAllocationCreateInfo::alignment</a></div><div class="ttdeci">VkDeviceSize alignment</div><div class="ttdoc">Required alignment of the allocation. Optional.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1475</div></div>
</div><!-- fragment --><p >Alignments of different allocations made from one block may vary. However, if all alignments and sizes are always multiply of some size e.g. 4 B or <code>sizeof(MyDataStruct)</code>, you can express all sizes, alignments, and offsets in multiples of that size instead of individual bytes. It might be more convenient, but you need to make sure to use this new unit consistently in all the places:</p>
<ul>
<li><a class="el" href="struct_vma_virtual_block_create_info.html#a670ab8c6a6e822f3c36781d79e8824e9" title="Total size of the virtual block.">VmaVirtualBlockCreateInfo::size</a></li>
@ -166,9 +166,9 @@ Statistics</h1>
<div class="line">printf(<span class="stringliteral">&quot;My virtual block has %llu bytes used by %u virtual allocations\n&quot;</span>,</div>
<div class="line"> statInfo.<a class="code hl_variable" href="struct_vma_stat_info.html#ab0c6c73837e5a70c749fbd4f6064895a">usedBytes</a>, statInfo.<a class="code hl_variable" href="struct_vma_stat_info.html#a537741e4d5cdddc1c0ab95ec650afaff">allocationCount</a>);</div>
<div class="ttc" id="agroup__group__virtual_html_ga95169b4730e94757897470086ec2768a"><div class="ttname"><a href="group__group__virtual.html#ga95169b4730e94757897470086ec2768a">vmaCalculateVirtualBlockStats</a></div><div class="ttdeci">void vmaCalculateVirtualBlockStats(VmaVirtualBlock virtualBlock, VmaStatInfo *pStatInfo)</div><div class="ttdoc">Calculates and returns statistics about virtual allocations and memory usage in given VmaVirtualBlock...</div></div>
<div class="ttc" id="astruct_vma_stat_info_html"><div class="ttname"><a href="struct_vma_stat_info.html">VmaStatInfo</a></div><div class="ttdoc">Calculated statistics of memory usage in entire allocator.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1066</div></div>
<div class="ttc" id="astruct_vma_stat_info_html_a537741e4d5cdddc1c0ab95ec650afaff"><div class="ttname"><a href="struct_vma_stat_info.html#a537741e4d5cdddc1c0ab95ec650afaff">VmaStatInfo::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of VmaAllocation allocation objects allocated.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1070</div></div>
<div class="ttc" id="astruct_vma_stat_info_html_ab0c6c73837e5a70c749fbd4f6064895a"><div class="ttname"><a href="struct_vma_stat_info.html#ab0c6c73837e5a70c749fbd4f6064895a">VmaStatInfo::usedBytes</a></div><div class="ttdeci">VkDeviceSize usedBytes</div><div class="ttdoc">Total number of bytes occupied by all allocations.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1074</div></div>
<div class="ttc" id="astruct_vma_stat_info_html"><div class="ttname"><a href="struct_vma_stat_info.html">VmaStatInfo</a></div><div class="ttdoc">Calculated statistics of memory usage in entire allocator.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1051</div></div>
<div class="ttc" id="astruct_vma_stat_info_html_a537741e4d5cdddc1c0ab95ec650afaff"><div class="ttname"><a href="struct_vma_stat_info.html#a537741e4d5cdddc1c0ab95ec650afaff">VmaStatInfo::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of VmaAllocation allocation objects allocated.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1055</div></div>
<div class="ttc" id="astruct_vma_stat_info_html_ab0c6c73837e5a70c749fbd4f6064895a"><div class="ttname"><a href="struct_vma_stat_info.html#ab0c6c73837e5a70c749fbd4f6064895a">VmaStatInfo::usedBytes</a></div><div class="ttdeci">VkDeviceSize usedBytes</div><div class="ttdoc">Total number of bytes occupied by all allocations.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1059</div></div>
</div><!-- fragment --><p >You can also request a full list of allocations and free regions as a string in JSON format by calling <a class="el" href="group__group__stats.html#ga52d810e1222c592e5d80556ad005f1e6" title="Builds and returns a null-terminated string in JSON format with information about given VmaVirtualBlo...">vmaBuildVirtualBlockStatsString()</a>. Returned string must be later freed using <a class="el" href="group__group__stats.html#ga47fb8d8aa69df4a7c23a9719b4080623" title="Frees a string returned by vmaBuildVirtualBlockStatsString().">vmaFreeVirtualBlockStatsString()</a>. The format of this string differs from the one returned by the main Vulkan allocator, but it is similar.</p>
<h1><a class="anchor" id="virtual_allocator_additional_considerations"></a>
Additional considerations</h1>

18
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@ -293,15 +293,12 @@ Enumerations</h2></td></tr>
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ab8b1764f3e9022368e440c057783b92d">VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT</a> = 0x00000100
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597afb0ee060cd733aaa5e249704ff589ad6">VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT</a> = 0x00000200
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT</a> = 0x00010000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ad242a04f802e25fef0b880afe8bb0a62">VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT</a> = 0x00020000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = 0x00010000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = 0x00040000
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT</a> = 0x00040000
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8af1210cf591784afa026d94998f735d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a0729e932b7ea170e3a128cad96c5cf6d">VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a621b704103eb3360230c860acf36e706">VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT
, <br />
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">VMA_ALLOCATION_CREATE_STRATEGY_MASK</a>
&#160;&#160;<a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a839826775c62319466441f86496f036d">VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a33eb2052674f3ad92386c714a65fb777">VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a8e16845d81ae3d27c47106d4770d5c7e">VMA_ALLOCATION_CREATE_STRATEGY_MASK</a>
, <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ae5633ec569f4899cf8f29e7385b2f882">VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
<br />
}</td></tr>
@ -339,10 +336,9 @@ Enumerations</h2></td></tr>
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9524a329a55b5ec390d57d90b67ad78e">VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT</a> = VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ae2a9591a62b5e3b1bdcbc81c6188a1bf">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a562d10a46012719d33167d3dc5dbbf9b">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6a9aa0c32667ba2deaa9cdeac6149ec47a">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT</a> = VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK</a> = VMA_ALLOCATION_CREATE_STRATEGY_MASK
, <br />
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac5b5e45c335368d18df59c9f27df17e3">VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MASK</a> = VMA_ALLOCATION_CREATE_STRATEGY_MASK
, <a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
&#160;&#160;<a class="el" href="group__group__virtual.html#gga2e9c64d405b14156fea7e10c4ad06cb6ac1163c03ea837fa663462dc286d6a1a9">VMA_VIRTUAL_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM</a> = 0x7FFFFFFF
<br />
}</td></tr>
<tr class="memdesc:ga2e9c64d405b14156fea7e10c4ad06cb6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Flags to be passed as <a class="el" href="struct_vma_virtual_allocation_create_info.html#ab10e16956cc4bf20ced9de77d1129ea4" title="Use combination of VmaVirtualAllocationCreateFlagBits.">VmaVirtualAllocationCreateInfo::flags</a>. <a href="group__group__virtual.html#ga2e9c64d405b14156fea7e10c4ad06cb6">More...</a><br /></td></tr>

69
include/vk_mem_alloc.h
View File

@ -565,43 +565,31 @@ typedef enum VmaAllocationCreateFlagBits
VMA_ALLOCATION_CREATE_WITHIN_BUDGET_BIT = 0x00000100,
/** \brief Set this flag if the allocated memory will have aliasing resources.
*
Usage of this flag prevents supplying `VkMemoryDedicatedAllocateInfoKHR` when VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT is specified.
Usage of this flag prevents supplying `VkMemoryDedicatedAllocateInfoKHR` when #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT is specified.
Otherwise created dedicated memory will not be suitable for aliasing resources, resulting in Vulkan Validation Layer errors.
*/
VMA_ALLOCATION_CREATE_CAN_ALIAS_BIT = 0x00000200,
/** Allocation strategy that chooses smallest possible free range for the
allocation.
/** Allocation strategy that chooses smallest possible free range for the allocation
to minimize memory usage and fragmentation, possibly at the expense of allocation time.
*/
VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = 0x00010000,
/** Allocation strategy that chooses biggest possible free range for the
allocation.
VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = 0x00010000,
/** Allocation strategy that chooses first suitable free range for the allocation -
not necessarily in terms of the smallest offset but the one that is easiest and fastest to find
to minimize allocation time, possibly at the expense of allocation quality.
*/
VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT = 0x00020000,
/** Allocation strategy that chooses first suitable free range for the
allocation.
"First" doesn't necessarily means the one with smallest offset in memory,
but rather the one that is easiest and fastest to find.
VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = 0x00040000,
/** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT.
*/
VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = 0x00040000,
/** Allocation strategy that tries to minimize memory usage.
VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT,
/** Alias to #VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT.
*/
VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT,
/** Allocation strategy that tries to minimize allocation time.
*/
VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT,
/** Allocation strategy that tries to minimize memory fragmentation.
*/
VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT,
VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT,
/** A bit mask to extract only `STRATEGY` bits from entire set of flags.
*/
VMA_ALLOCATION_CREATE_STRATEGY_MASK =
VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT |
VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT |
VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT,
VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT |
0x00020000 | // Removed
VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT,
VMA_ALLOCATION_CREATE_FLAG_BITS_MAX_ENUM = 0x7FFFFFFF
} VmaAllocationCreateFlagBits;
@ -757,9 +745,6 @@ typedef enum VmaVirtualAllocationCreateFlagBits
/** \brief Allocation strategy that tries to minimize allocation time.
*/
VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT,
/** \brief Allocation strategy that tries to minimize memory fragmentation.
*/
VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT = VMA_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT,
/** \brief A bit mask to extract only `STRATEGY` bits from entire set of flags.
These strategy flags are binary compatible with equivalent flags in #VmaAllocationCreateFlagBits.
@ -6684,7 +6669,8 @@ bool VmaBlockMetadata_Generic::CreateAllocationRequest(
const size_t freeSuballocCount = m_FreeSuballocationsBySize.size();
if (freeSuballocCount > 0)
{
if (strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT)
if (strategy == 0 ||
strategy == VMA_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT)
{
// Find first free suballocation with size not less than allocSize + 2 * debugMargin.
VmaSuballocationList::iterator* const it = VmaBinaryFindFirstNotLess(
@ -6725,8 +6711,9 @@ bool VmaBlockMetadata_Generic::CreateAllocationRequest(
}
}
}
else // WORST_FIT, FIRST_FIT
else
{
VMA_ASSERT(strategy == VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT);
// Search staring from biggest suballocations.
for (size_t index = freeSuballocCount; index--; )
{
@ -12181,20 +12168,6 @@ VkResult VmaBlockVector::AllocatePage(
return VK_ERROR_FEATURE_NOT_PRESENT;
}
// Validate strategy.
switch (strategy)
{
case 0:
strategy = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT;
break;
case VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT:
case VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT:
case VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT:
break;
default:
return VK_ERROR_FEATURE_NOT_PRESENT;
}
// Early reject: requested allocation size is larger that maximum block size for this block vector.
if (size + 2 * VMA_DEBUG_MARGIN > m_PreferredBlockSize)
{
@ -12227,7 +12200,7 @@ VkResult VmaBlockVector::AllocatePage(
}
else
{
if (strategy == VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT)
if (strategy != VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT) // MIN_MEMORY or default
{
// Forward order in m_Blocks - prefer blocks with smallest amount of free space.
for (size_t blockIndex = 0; blockIndex < m_Blocks.size(); ++blockIndex)
@ -12250,7 +12223,7 @@ VkResult VmaBlockVector::AllocatePage(
}
}
}
else // WORST_FIT, FIRST_FIT
else // VMA_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT
{
// Backward order in m_Blocks - prefer blocks with largest amount of free space.
for (size_t blockIndex = m_Blocks.size(); blockIndex--; )

12
src/Tests.cpp
View File

@ -201,7 +201,7 @@ static uint32_t GetAllocationStrategyCount()
case CONFIG_TYPE_SMALL: strategyCount = 1; break;
case CONFIG_TYPE_AVERAGE: strategyCount = 2; break;
case CONFIG_TYPE_LARGE: strategyCount = 2; break;
case CONFIG_TYPE_MAXIMUM: strategyCount = 3; break;
case CONFIG_TYPE_MAXIMUM: strategyCount = 2; break;
default: assert(0);
}
return strategyCount;
@ -212,7 +212,6 @@ static const char* GetAllocationStrategyName(VmaAllocationCreateFlags allocStrat
switch(allocStrategy)
{
case VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT: return "BEST_FIT"; break;
case VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT: return "WORST_FIT"; break;
case VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT: return "FIRST_FIT"; break;
case 0: return "Default"; break;
default: assert(0); return "";
@ -2850,7 +2849,7 @@ static void TestVirtualBlocksAlgorithms()
if(i < 10) { }
else if(i < 12) allocCreateInfo.flags = VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT;
else if(i < 14) allocCreateInfo.flags = VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_TIME_BIT;
else if(i < 16) allocCreateInfo.flags = VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_FRAGMENTATION_BIT;
else if(i < 16) allocCreateInfo.flags = VMA_VIRTUAL_ALLOCATION_CREATE_STRATEGY_MIN_MEMORY_BIT;
else if(i < 18 && algorithmIndex == 1) allocCreateInfo.flags = VMA_VIRTUAL_ALLOCATION_CREATE_UPPER_ADDRESS_BIT;
AllocData alloc = {};
@ -4273,8 +4272,7 @@ static void BenchmarkAlgorithms(FILE* file)
switch(allocStrategyIndex)
{
case 0: strategy = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT; break;
case 1: strategy = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT; break;
case 2: strategy = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT; break;
case 1: strategy = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT; break;
default: assert(0);
}
}
@ -6304,10 +6302,6 @@ static void PerformMainTests(FILE* file)
config.AllocationStrategy = VMA_ALLOCATION_CREATE_STRATEGY_BEST_FIT_BIT;
break;
case 1:
desc6 += ",WorstFit";
config.AllocationStrategy = VMA_ALLOCATION_CREATE_STRATEGY_WORST_FIT_BIT;
break;
case 2:
desc6 += ",FirstFit";
config.AllocationStrategy = VMA_ALLOCATION_CREATE_STRATEGY_FIRST_FIT_BIT;
break;