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Made allocation Name and UserData separate. COMPATIBILITY BREAKING!

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Added function vmaSetAllocationName. Added member VmaAllocationInfo::pName.
VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT is now deprecated but still works.

Code mostly by @medranSolus
This commit is contained in:
Adam Sawicki 2022-03-03 11:23:14 +01:00
parent bd39bed5e6
commit caf27e0428
26 changed files with 301 additions and 214 deletions
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14
docs/html/allocation_annotation.html
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@ -85,17 +85,17 @@ Allocation user data</h1>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;bufCreateInfo, &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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1260</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:1229</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1262</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:1231</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:1336</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:1383</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:1338</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:1385</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>
@ -115,8 +115,8 @@ Allocation names</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#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:560</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:1223</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:562</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:1225</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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1229</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1231</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 >If you have a preference for putting the resource in GPU (device) memory or CPU (host) memory on systems with discrete graphics card that have the memories separate, you can use <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305ccae2adb696d6a73c18bb20c23666661327">VMA_MEMORY_USAGE_AUTO_PREFER_DEVICE</a> or <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca9b422585242160b8ed3418310ee6664d">VMA_MEMORY_USAGE_AUTO_PREFER_HOST</a>.</p>
<p >When using <code>VMA_MEMORY_USAGE_AUTO*</code> while you want to map the allocated memory, you also need to specify one of the host access flags: <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a> or <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a>. This will help the library decide about preferred memory type to ensure it has <code>VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT</code> so you can map it.</p>
@ -112,8 +112,8 @@ Usage</h1>
<div class="line">VkBuffer stagingBuffer;</div>
<div class="line"><a class="code hl_struct" href="struct_vma_allocation.html">VmaAllocation</a> stagingAllocation;</div>
<div class="line"><a class="code hl_function" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51">vmaCreateBuffer</a>(allocator, &amp;stagingBufferInfo, &amp;stagingAllocInfo, &amp;stagingBuffer, &amp;stagingAllocation, <span class="keyword">nullptr</span>);</div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:597</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:1223</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:599</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:1225</div></div>
</div><!-- fragment --><p >For more examples of creating different kinds of resources, see chapter <a class="el" href="usage_patterns.html">Recommended usage patterns</a>.</p>
<p >Usage values <code>VMA_MEMORY_USAGE_AUTO*</code> are legal to use only when the library knows about the resource being created by having <code>VkBufferCreateInfo</code> / <code>VkImageCreateInfo</code> passed, so they work with functions like: <a class="el" href="group__group__alloc.html#gac72ee55598617e8eecca384e746bab51" title="Creates a new VkBuffer, allocates and binds memory for it.">vmaCreateBuffer()</a>, <a class="el" href="group__group__alloc.html#ga02a94f25679275851a53e82eacbcfc73" title="Function similar to vmaCreateBuffer().">vmaCreateImage()</a>, <a class="el" href="group__group__alloc.html#gae790ab9ffaf7667fb8f62523e6897888" title="Helps to find memoryTypeIndex, given VkBufferCreateInfo and VmaAllocationCreateInfo.">vmaFindMemoryTypeIndexForBufferInfo()</a> etc. If you allocate raw memory using function <a class="el" href="group__group__alloc.html#gabf28077dbf82d0908b8acbe8ee8dd9b8" title="General purpose memory allocation.">vmaAllocateMemory()</a>, you have to use other means of selecting memory type, as decribed below.</p>
<dl class="section note"><dt>Note</dt><dd>Old usage values (<code>VMA_MEMORY_USAGE_GPU_ONLY</code>, <code>VMA_MEMORY_USAGE_CPU_ONLY</code>, <code>VMA_MEMORY_USAGE_CPU_TO_GPU</code>, <code>VMA_MEMORY_USAGE_GPU_TO_CPU</code>, <code>VMA_MEMORY_USAGE_CPU_COPY</code>) are still available and work same way as in previous versions of the library for backward compatibility, but they are not recommended.</dd></dl>
@ -129,9 +129,9 @@ 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:550</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:609</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:1239</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:1234</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:611</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:1241</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:1236</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 >Value passed in <a class="el" href="struct_vma_allocation_create_info.html#accb8b06b1f677d858cb9af20705fa910" title="Intended usage of memory.">VmaAllocationCreateInfo::usage</a> is internally converted to a set of required and preferred flags, plus some extra "magic" (heuristics).</p>
<h1><a class="anchor" id="choosing_memory_type_explicit_memory_types"></a>
@ -146,7 +146,7 @@ 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:1247</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:1249</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" title="Parameters of new VmaAllocation.">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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@ -125,14 +125,14 @@ $(function() {
<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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</div></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_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1253</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:1229</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1255</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:1231</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_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:1272</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:1275</div></div>
<div class="ttc" id="astruct_vma_pool_create_info_html_aa4265160536cdb9be821b7686c16c676"><div class="ttname"><a href="struct_vma_pool_create_info.html#aa4265160536cdb9be821b7686c16c676">VmaPoolCreateInfo::blockSize</a></div><div class="ttdeci">VkDeviceSize blockSize</div><div class="ttdoc">Size of a single VkDeviceMemory block to be allocated as part of this pool, in bytes....</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1288</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:1301</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:1274</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:1277</div></div>
<div class="ttc" id="astruct_vma_pool_create_info_html_aa4265160536cdb9be821b7686c16c676"><div class="ttname"><a href="struct_vma_pool_create_info.html#aa4265160536cdb9be821b7686c16c676">VmaPoolCreateInfo::blockSize</a></div><div class="ttdeci">VkDeviceSize blockSize</div><div class="ttdoc">Size of a single VkDeviceMemory block to be allocated as part of this pool, in bytes....</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1290</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:1303</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>

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@ -111,13 +111,13 @@ $(function() {
<div class="ttc" id="agroup__group__alloc_html_ga980d7da2ce3b1fd5c8b8476bc362cc00"><div class="ttname"><a href="group__group__alloc.html#ga980d7da2ce3b1fd5c8b8476bc362cc00">vmaBeginDefragmentationPass</a></div><div class="ttdeci">VkResult vmaBeginDefragmentationPass(VmaAllocator allocator, VmaDefragmentationContext context, VmaDefragmentationPassMoveInfo *pPassInfo)</div><div class="ttdoc">Starts single defragmentation pass.</div></div>
<div class="ttc" id="agroup__group__alloc_html_gac3335566858b45541fa9c0d7a6bbb57e"><div class="ttname"><a href="group__group__alloc.html#gac3335566858b45541fa9c0d7a6bbb57e">vmaBeginDefragmentation</a></div><div class="ttdeci">VkResult vmaBeginDefragmentation(VmaAllocator allocator, const VmaDefragmentationInfo *pInfo, VmaDefragmentationContext *pContext)</div><div class="ttdoc">Begins defragmentation process.</div></div>
<div class="ttc" id="agroup__group__alloc_html_gaded05a445742a00718ee766144c5c226"><div class="ttname"><a href="group__group__alloc.html#gaded05a445742a00718ee766144c5c226">vmaEndDefragmentationPass</a></div><div class="ttdeci">VkResult vmaEndDefragmentationPass(VmaAllocator allocator, VmaDefragmentationContext context, VmaDefragmentationPassMoveInfo *pPassInfo)</div><div class="ttdoc">Ends single defragmentation pass.</div></div>
<div class="ttc" id="agroup__group__alloc_html_gga6552a65b71d16f378c6994b3ceaef50ca2e6469bcf5a094776ceb5d118263f04b"><div class="ttname"><a href="group__group__alloc.html#gga6552a65b71d16f378c6994b3ceaef50ca2e6469bcf5a094776ceb5d118263f04b">VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT</a></div><div class="ttdeci">@ VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:705</div></div>
<div class="ttc" id="agroup__group__alloc_html_gga6552a65b71d16f378c6994b3ceaef50ca2e6469bcf5a094776ceb5d118263f04b"><div class="ttname"><a href="group__group__alloc.html#gga6552a65b71d16f378c6994b3ceaef50ca2e6469bcf5a094776ceb5d118263f04b">VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT</a></div><div class="ttdeci">@ VMA_DEFRAGMENTATION_FLAG_ALGORITHM_FAST_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:707</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">An opaque object that represents started defragmentation process.</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html"><div class="ttname"><a href="struct_vma_defragmentation_info.html">VmaDefragmentationInfo</a></div><div class="ttdoc">Parameters for defragmentation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1391</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html_a18dd2097d8ab2976cdc7dd3e7b978bd4"><div class="ttname"><a href="struct_vma_defragmentation_info.html#a18dd2097d8ab2976cdc7dd3e7b978bd4">VmaDefragmentationInfo::pool</a></div><div class="ttdeci">VmaPool pool</div><div class="ttdoc">Custom pool to be defragmented.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1398</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html_a3e23080c978ecf3abb3180f5b2069da7"><div class="ttname"><a href="struct_vma_defragmentation_info.html#a3e23080c978ecf3abb3180f5b2069da7">VmaDefragmentationInfo::flags</a></div><div class="ttdeci">VmaDefragmentationFlags flags</div><div class="ttdoc">Use combination of VmaDefragmentationFlagBits.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1393</div></div>
<div class="ttc" id="astruct_vma_defragmentation_pass_move_info_html"><div class="ttname"><a href="struct_vma_defragmentation_pass_move_info.html">VmaDefragmentationPassMoveInfo</a></div><div class="ttdoc">Parameters for incremental defragmentation steps.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1431</div></div>
<div class="ttc" id="astruct_vma_defragmentation_pass_move_info_html_a1b3e18c23f9691f35baf183e615c4408"><div class="ttname"><a href="struct_vma_defragmentation_pass_move_info.html#a1b3e18c23f9691f35baf183e615c4408">VmaDefragmentationPassMoveInfo::moveCount</a></div><div class="ttdeci">uint32_t moveCount</div><div class="ttdoc">Number of elements in the pMoves array.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1433</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html"><div class="ttname"><a href="struct_vma_defragmentation_info.html">VmaDefragmentationInfo</a></div><div class="ttdoc">Parameters for defragmentation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1401</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html_a18dd2097d8ab2976cdc7dd3e7b978bd4"><div class="ttname"><a href="struct_vma_defragmentation_info.html#a18dd2097d8ab2976cdc7dd3e7b978bd4">VmaDefragmentationInfo::pool</a></div><div class="ttdeci">VmaPool pool</div><div class="ttdoc">Custom pool to be defragmented.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1408</div></div>
<div class="ttc" id="astruct_vma_defragmentation_info_html_a3e23080c978ecf3abb3180f5b2069da7"><div class="ttname"><a href="struct_vma_defragmentation_info.html#a3e23080c978ecf3abb3180f5b2069da7">VmaDefragmentationInfo::flags</a></div><div class="ttdeci">VmaDefragmentationFlags flags</div><div class="ttdoc">Use combination of VmaDefragmentationFlagBits.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1403</div></div>
<div class="ttc" id="astruct_vma_defragmentation_pass_move_info_html"><div class="ttname"><a href="struct_vma_defragmentation_pass_move_info.html">VmaDefragmentationPassMoveInfo</a></div><div class="ttdoc">Parameters for incremental defragmentation steps.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1441</div></div>
<div class="ttc" id="astruct_vma_defragmentation_pass_move_info_html_a1b3e18c23f9691f35baf183e615c4408"><div class="ttname"><a href="struct_vma_defragmentation_pass_move_info.html#a1b3e18c23f9691f35baf183e615c4408">VmaDefragmentationPassMoveInfo::moveCount</a></div><div class="ttdeci">uint32_t moveCount</div><div class="ttdoc">Number of elements in the pMoves array.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1443</div></div>
</div><!-- fragment --><p >You can defragment a specific custom pool by setting <a class="el" href="struct_vma_defragmentation_info.html#a18dd2097d8ab2976cdc7dd3e7b978bd4" title="Custom pool to be defragmented.">VmaDefragmentationInfo::pool</a> (like in the example above) or all the default pools by setting this member to null.</p>
<p >Unlike in previous iterations of the defragmentation API, there is no list of "movable" allocations passed as a parameter. Defragmentation algorithm tries to move all suitable allocations. You can, however, refuse to move some of them inside a defragmentation pass, by setting <code>pass.pMoves[i].operation</code> to <a class="el" href="group__group__alloc.html#ggada9e3861caf96f08894b0bcc160ec257ad25bc6f816b226b4fd5170e845f218d2" title="Set this value if you cannot move the allocation. New place reserved dstMemory + dstOffset will be fr...">VMA_DEFRAGMENTATION_MOVE_OPERATION_IGNORE</a>. This is not recommended and may result in suboptimal packing of the allocations after defragmentation. If you cannot ensure any allocation can be moved, it is better to keep movable allocations separate in a custom pool.</p>
<p >You can also decide to destroy an allocation instead of moving it. You should then set <code>pass.pMoves[i].operation</code> to <a class="el" href="group__group__alloc.html#ggada9e3861caf96f08894b0bcc160ec257a9786f8492a9be2c03bd26395e352ab85" title="Set this value if you decide to abandon the allocation and you destroyed the buffer/image....">VMA_DEFRAGMENTATION_MOVE_OPERATION_DESTROY</a>.</p>

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@ -70,6 +70,8 @@ $(function() {
<dd><a class="anchor" id="_deprecated000006"></a>Removed. Do not use. </dd>
<dt>Member <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597ae9290dbcf5817e7616d5802e2aa251e7">VMA_ALLOCATION_CREATE_RESERVED_2_BIT</a> </dt>
<dd><a class="anchor" id="_deprecated000007"></a>Removed. Do not use. </dd>
<dt>Member <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a> </dt>
<dd><a class="anchor" id="_deprecated000008"></a>Preserved for backward compatibility. Consider using <a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc" title="Sets pName in given allocation to new value.">vmaSetAllocationName()</a> instead. </dd>
<dt>Member <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca416a444d4d0fc20067c3f76f32ff2500">VMA_MEMORY_USAGE_CPU_COPY</a> </dt>
<dd><a class="anchor" id="_deprecated000005"></a>Obsolete, preserved for backward compatibility. Prefers not <code>VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT</code>. </dd>
<dt>Member <a class="el" href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca40bdf4cddeffeb12f43d45ca1286e0a5">VMA_MEMORY_USAGE_CPU_ONLY</a> </dt>

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@ -134,6 +134,7 @@ $(function() {
<li>pMappedData&#160;:&#160;<a class="el" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">VmaAllocationInfo</a></li>
<li>pMemoryAllocateNext&#160;:&#160;<a class="el" href="struct_vma_pool_create_info.html#af0f8c58f51a2a7a0a389dc79565044d7">VmaPoolCreateInfo</a></li>
<li>pMoves&#160;:&#160;<a class="el" href="struct_vma_defragmentation_pass_move_info.html#adfa7a4994afd9b940e7f1dfaf436a725">VmaDefragmentationPassMoveInfo</a></li>
<li>pName&#160;:&#160;<a class="el" href="struct_vma_allocation_info.html#a28612f3e897e5b268254a3c63413d759">VmaAllocationInfo</a></li>
<li>pool&#160;:&#160;<a class="el" href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150">VmaAllocationCreateInfo</a>, <a class="el" href="struct_vma_defragmentation_info.html#a18dd2097d8ab2976cdc7dd3e7b978bd4">VmaDefragmentationInfo</a></li>
<li>preferredFlags&#160;:&#160;<a class="el" href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo</a></li>
<li>preferredLargeHeapBlockSize&#160;:&#160;<a class="el" href="struct_vma_allocator_create_info.html#a8e4714298e3121cdd8b214a1ae7a637a">VmaAllocatorCreateInfo</a></li>

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@ -134,6 +134,7 @@ $(function() {
<li>pMappedData&#160;:&#160;<a class="el" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">VmaAllocationInfo</a></li>
<li>pMemoryAllocateNext&#160;:&#160;<a class="el" href="struct_vma_pool_create_info.html#af0f8c58f51a2a7a0a389dc79565044d7">VmaPoolCreateInfo</a></li>
<li>pMoves&#160;:&#160;<a class="el" href="struct_vma_defragmentation_pass_move_info.html#adfa7a4994afd9b940e7f1dfaf436a725">VmaDefragmentationPassMoveInfo</a></li>
<li>pName&#160;:&#160;<a class="el" href="struct_vma_allocation_info.html#a28612f3e897e5b268254a3c63413d759">VmaAllocationInfo</a></li>
<li>pool&#160;:&#160;<a class="el" href="struct_vma_allocation_create_info.html#a6272c0555cfd1fe28bff1afeb6190150">VmaAllocationCreateInfo</a>, <a class="el" href="struct_vma_defragmentation_info.html#a18dd2097d8ab2976cdc7dd3e7b978bd4">VmaDefragmentationInfo</a></li>
<li>preferredFlags&#160;:&#160;<a class="el" href="struct_vma_allocation_create_info.html#a7fe8d81a1ad10b2a2faacacee5b15d6d">VmaAllocationCreateInfo</a></li>
<li>preferredLargeHeapBlockSize&#160;:&#160;<a class="el" href="struct_vma_allocator_create_info.html#a8e4714298e3121cdd8b214a1ae7a637a">VmaAllocatorCreateInfo</a></li>

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@ -215,6 +215,7 @@ $(function() {
<li>VmaPoolCreateFlagBits&#160;:&#160;<a class="el" href="group__group__alloc.html#ga9a7c45f9c863695d98c83fa5ac940fe7">vk_mem_alloc.h</a></li>
<li>VmaPoolCreateFlags&#160;:&#160;<a class="el" href="group__group__alloc.html#ga2770e325ea42e087c1b91fdf46d0292a">vk_mem_alloc.h</a></li>
<li>VmaPoolCreateInfo&#160;:&#160;<a class="el" href="group__group__alloc.html#ga1017aa83489c0eee8d2163d2bf253f67">vk_mem_alloc.h</a></li>
<li>vmaSetAllocationName()&#160;:&#160;<a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">vk_mem_alloc.h</a></li>
<li>vmaSetAllocationUserData()&#160;:&#160;<a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">vk_mem_alloc.h</a></li>
<li>vmaSetCurrentFrameIndex()&#160;:&#160;<a class="el" href="group__group__init.html#gade56bf8dc9f5a5eaddf5f119ed525236">vk_mem_alloc.h</a></li>
<li>vmaSetPoolName()&#160;:&#160;<a class="el" href="group__group__alloc.html#gadbae3a0b4ab078024462fc85c37f3b58">vk_mem_alloc.h</a></li>

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@ -121,6 +121,7 @@ $(function() {
<li>vmaInvalidateAllocations()&#160;:&#160;<a class="el" href="group__group__alloc.html#gab25b558d75f7378ec944a1522fdcc3c5">vk_mem_alloc.h</a></li>
<li>vmaIsVirtualBlockEmpty()&#160;:&#160;<a class="el" href="group__group__virtual.html#gacd53b5b1d23f8fcbad692ccfdc1811f1">vk_mem_alloc.h</a></li>
<li>vmaMapMemory()&#160;:&#160;<a class="el" href="group__group__alloc.html#gad5bd1243512d099706de88168992f069">vk_mem_alloc.h</a></li>
<li>vmaSetAllocationName()&#160;:&#160;<a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">vk_mem_alloc.h</a></li>
<li>vmaSetAllocationUserData()&#160;:&#160;<a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">vk_mem_alloc.h</a></li>
<li>vmaSetCurrentFrameIndex()&#160;:&#160;<a class="el" href="group__group__init.html#gade56bf8dc9f5a5eaddf5f119ed525236">vk_mem_alloc.h</a></li>
<li>vmaSetPoolName()&#160;:&#160;<a class="el" href="group__group__alloc.html#gadbae3a0b4ab078024462fc85c37f3b58">vk_mem_alloc.h</a></li>

53
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@ -280,6 +280,9 @@ Functions</h2></td></tr>
<tr class="memitem:gaf9147d31ffc11d62fc187bde283ed14f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">vmaSetAllocationUserData</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, void *pUserData)</td></tr>
<tr class="memdesc:gaf9147d31ffc11d62fc187bde283ed14f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets pUserData in given allocation to new value. <a href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">More...</a><br /></td></tr>
<tr class="separator:gaf9147d31ffc11d62fc187bde283ed14f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabe02cbb0cd913b3f125958179f2020fc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">vmaSetAllocationName</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, const char *pName)</td></tr>
<tr class="memdesc:gabe02cbb0cd913b3f125958179f2020fc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets pName in given allocation to new value. <a href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">More...</a><br /></td></tr>
<tr class="separator:gabe02cbb0cd913b3f125958179f2020fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga571e87dd38e552249b56b1b0b982fad1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#ga571e87dd38e552249b56b1b0b982fad1">vmaGetAllocationMemoryProperties</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, VkMemoryPropertyFlags *pFlags)</td></tr>
<tr class="memdesc:ga571e87dd38e552249b56b1b0b982fad1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Given an allocation, returns Property Flags of its memory type. <a href="group__group__alloc.html#ga571e87dd38e552249b56b1b0b982fad1">More...</a><br /></td></tr>
<tr class="separator:ga571e87dd38e552249b56b1b0b982fad1"><td class="memSeparator" colspan="2">&#160;</td></tr>
@ -621,7 +624,8 @@ Functions</h2></td></tr>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597ae9290dbcf5817e7616d5802e2aa251e7" name="ggad9889c10c798b040d59c92f257cae597ae9290dbcf5817e7616d5802e2aa251e7"></a>VMA_ALLOCATION_CREATE_RESERVED_2_BIT&#160;</td><td class="fielddoc"><dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000007">Deprecated:</a></b></dt><dd>Removed. Do not use. </dd></dl>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520" name="ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520"></a>VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT&#160;</td><td class="fielddoc"><p >Set this flag to treat <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> as pointer to a null-terminated string. Instead of copying pointer value, a local copy of the string is made and stored in allocation's <code>pUserData</code>. The string is automatically freed together with the allocation. It is also used in <a class="el" href="group__group__stats.html#gaa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as a null-terminated string in JSON format.">vmaBuildStatsString()</a>. </p>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520" name="ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520"></a>VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT&#160;</td><td class="fielddoc"><dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000008">Deprecated:</a></b></dt><dd>Preserved for backward compatibility. Consider using <a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc" title="Sets pName in given allocation to new value.">vmaSetAllocationName()</a> instead.</dd></dl>
<p >Set this flag to treat <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> as pointer to a null-terminated string. Instead of copying pointer value, a local copy of the string is made and stored in allocation's <code>pName</code>. The string is automatically freed together with the allocation. It is also used in <a class="el" href="group__group__stats.html#gaa4fee7eb5253377599ef4fd38c93c2a0" title="Builds and returns statistics as a null-terminated string in JSON format.">vmaBuildStatsString()</a>. </p>
</td></tr>
<tr><td class="fieldname"><a id="ggad9889c10c798b040d59c92f257cae597a42ba3a2d2c7117953210b7c3ef8da0df" name="ggad9889c10c798b040d59c92f257cae597a42ba3a2d2c7117953210b7c3ef8da0df"></a>VMA_ALLOCATION_CREATE_UPPER_ADDRESS_BIT&#160;</td><td class="fielddoc"><p >Allocation will be created from upper stack in a double stack pool.</p>
<p >This flag is only allowed for custom pools created with <a class="el" href="group__group__alloc.html#gga9a7c45f9c863695d98c83fa5ac940fe7a13c8a444197c67866be9cb05599fc726" title="Enables alternative, linear allocation algorithm in this pool.">VMA_POOL_CREATE_LINEAR_ALGORITHM_BIT</a> flag. </p>
@ -1083,10 +1087,15 @@ Functions</h2></td></tr>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">allocator</td><td>Allocator object. </td></tr>
<tr><td class="paramdir"></td><td class="paramname">pInfo</td><td>Structure filled with parameters of defragmentation. </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pContext</td><td>Context object that must be passed to <a class="el" href="group__group__alloc.html#ga729a594b45ae1681096940a44f3eb174" title="Ends defragmentation process.">vmaEndDefragmentation()</a> to finish defragmentation.</td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">pContext</td><td>Context object that must be passed to <a class="el" href="group__group__alloc.html#ga729a594b45ae1681096940a44f3eb174" title="Ends defragmentation process.">vmaEndDefragmentation()</a> to finish defragmentation. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><ul>
<li><code>VK_SUCCESS</code> if defragmentation can begin.</li>
<li><code>VK_ERROR_FEATURE_NOT_PRESENT</code> if defragmentation is not supported.</li>
</ul>
</dd></dl>
<p>For more information about defragmentation, see documentation chapter: <a class="el" href="defragmentation.html">Defragmentation</a>. </p>
</div>
@ -2443,6 +2452,43 @@ Functions</h2></td></tr>
<p >This function fails when used on allocation made in memory type that is not <code>HOST_VISIBLE</code>.</p>
<p >This function doesn't automatically flush or invalidate caches. If the allocation is made from a memory types that is not <code>HOST_COHERENT</code>, you also need to use <a class="el" href="group__group__alloc.html#gaaa8412919139ef413a4215ac6a290fae" title="Invalidates memory of given allocation.">vmaInvalidateAllocation()</a> / <a class="el" href="group__group__alloc.html#ga30c37c1eec6025f397be41644f48490f" title="Flushes memory of given allocation.">vmaFlushAllocation()</a>, as required by Vulkan specification. </p>
</div>
</div>
<a id="gabe02cbb0cd913b3f125958179f2020fc" name="gabe02cbb0cd913b3f125958179f2020fc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gabe02cbb0cd913b3f125958179f2020fc">&#9670;&nbsp;</a></span>vmaSetAllocationName()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">void vmaSetAllocationName </td>
<td>(</td>
<td class="paramtype"><a class="el" href="struct_vma_allocator.html">VmaAllocator</a>&#160;</td>
<td class="paramname"><em>allocator</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_vma_allocation.html">VmaAllocation</a>&#160;</td>
<td class="paramname"><em>allocation</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char *&#160;</td>
<td class="paramname"><em>pName</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Sets pName in given allocation to new value. </p>
<p ><code>pName</code> must be either null, or pointer to a null-terminated string. The function makes local copy of the string and sets it as allocation's <code>pName</code>. String passed as pName doesn't need to be valid for whole lifetime of the allocation - you can free it after this call. String previously pointed by allocation's <code>pName</code> is freed from memory. </p>
</div>
</div>
<a id="gaf9147d31ffc11d62fc187bde283ed14f" name="gaf9147d31ffc11d62fc187bde283ed14f"></a>
@ -2478,8 +2524,7 @@ Functions</h2></td></tr>
</div><div class="memdoc">
<p>Sets pUserData in given allocation to new value. </p>
<p >If the allocation was created with VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT, pUserData must be either null, or pointer to a null-terminated string. The function makes local copy of the string and sets it as allocation's <code>pUserData</code>. String passed as pUserData doesn't need to be valid for whole lifetime of the allocation - you can free it after this call. String previously pointed by allocation's pUserData is freed from memory.</p>
<p >If the flag was not used, the value of pointer <code>pUserData</code> is just copied to allocation's <code>pUserData</code>. It is opaque, so you can use it however you want - e.g. as a pointer, ordinal number or some handle to you own data. </p>
<p >The value of pointer <code>pUserData</code> is copied to allocation's <code>pUserData</code>. It is opaque, so you can use it however you want - e.g. as a pointer, ordinal number or some handle to you own data. </p>
</div>
</div>

12
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@ -118,13 +118,13 @@ 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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</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:550</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:597</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1229</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:1223</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:599</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1231</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:1225</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:1336</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:1378</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:1338</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:1380</div></div>
</div><!-- fragment --><dl class="section note"><dt>Note</dt><dd><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> by itself doesn't guarantee that the allocation will end up in a mappable memory type. For this, you need to also specify <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a> or <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a>. <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> only guarantees that if the memory is <code>HOST_VISIBLE</code>, the allocation will be mapped on creation. For an example of how to make use of this fact, see section <a class="el" href="usage_patterns.html#usage_patterns_advanced_data_uploading">Advanced data uploading</a>.</dd></dl>
<h1><a class="anchor" id="memory_mapping_cache_control"></a>
Cache flush and invalidate</h1>

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@ -124,16 +124,16 @@ 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;allocatorCreateInfo, &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:1000</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:1005</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_a3dc197be3227da7338b1643f70db36bd"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a3dc197be3227da7338b1643f70db36bd">VmaAllocatorCreateInfo::pVulkanFunctions</a></div><div class="ttdeci">const VmaVulkanFunctions * pVulkanFunctions</div><div class="ttdoc">Pointers to Vulkan functions. Can be null.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1048</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:1053</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:1008</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:1062</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:1002</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:1007</div></div>
<div class="ttc" id="astruct_vma_allocator_create_info_html_a3dc197be3227da7338b1643f70db36bd"><div class="ttname"><a href="struct_vma_allocator_create_info.html#a3dc197be3227da7338b1643f70db36bd">VmaAllocatorCreateInfo::pVulkanFunctions</a></div><div class="ttdeci">const VmaVulkanFunctions * pVulkanFunctions</div><div class="ttdoc">Pointers to Vulkan functions. Can be null.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1050</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:1055</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:1010</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:1064</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_vulkan_functions_html"><div class="ttname"><a href="struct_vma_vulkan_functions.html">VmaVulkanFunctions</a></div><div class="ttdoc">Pointers to some Vulkan functions - a subset used by the library.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:953</div></div>
<div class="ttc" id="astruct_vma_vulkan_functions_html_a3eafa102f5f8915f093f40675636b849"><div class="ttname"><a href="struct_vma_vulkan_functions.html#a3eafa102f5f8915f093f40675636b849">VmaVulkanFunctions::vkGetInstanceProcAddr</a></div><div class="ttdeci">PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr</div><div class="ttdoc">Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:955</div></div>
<div class="ttc" id="astruct_vma_vulkan_functions_html_ac383ab9af127e5e136622fa4ebea9e57"><div class="ttname"><a href="struct_vma_vulkan_functions.html#ac383ab9af127e5e136622fa4ebea9e57">VmaVulkanFunctions::vkGetDeviceProcAddr</a></div><div class="ttdeci">PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr</div><div class="ttdoc">Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:957</div></div>
<div class="ttc" id="astruct_vma_vulkan_functions_html"><div class="ttname"><a href="struct_vma_vulkan_functions.html">VmaVulkanFunctions</a></div><div class="ttdoc">Pointers to some Vulkan functions - a subset used by the library.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:955</div></div>
<div class="ttc" id="astruct_vma_vulkan_functions_html_a3eafa102f5f8915f093f40675636b849"><div class="ttname"><a href="struct_vma_vulkan_functions.html#a3eafa102f5f8915f093f40675636b849">VmaVulkanFunctions::vkGetInstanceProcAddr</a></div><div class="ttdeci">PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr</div><div class="ttdoc">Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:957</div></div>
<div class="ttc" id="astruct_vma_vulkan_functions_html_ac383ab9af127e5e136622fa4ebea9e57"><div class="ttname"><a href="struct_vma_vulkan_functions.html#ac383ab9af127e5e136622fa4ebea9e57">VmaVulkanFunctions::vkGetDeviceProcAddr</a></div><div class="ttdeci">PFN_vkGetDeviceProcAddr vkGetDeviceProcAddr</div><div class="ttdoc">Required when using VMA_DYNAMIC_VULKAN_FUNCTIONS.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:959</div></div>
</div><!-- fragment --><h1><a class="anchor" id="quick_start_resource_allocation"></a>
Resource allocation</h1>
<p >When you want to create a buffer or image:</p>
@ -154,8 +154,8 @@ 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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1229</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1231</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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@ -140,8 +140,8 @@ $(function() {
<div class="ttc" id="agroup__group__alloc_html_ga3d3ca45799923aa5d138e9e5f9eb2da5"><div class="ttname"><a href="group__group__alloc.html#ga3d3ca45799923aa5d138e9e5f9eb2da5">vmaBindImageMemory</a></div><div class="ttdeci">VkResult vmaBindImageMemory(VmaAllocator allocator, VmaAllocation allocation, VkImage image)</div><div class="ttdoc">Binds image to allocation.</div></div>
<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="astruct_vma_allocation_create_info_html"><div class="ttname"><a href="struct_vma_allocation_create_info.html">VmaAllocationCreateInfo</a></div><div class="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</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:1239</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</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:1241</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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@ -72,8 +72,9 @@ $(function() {
<tr class="odd"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">memoryType</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#a4a3c732388dbdc7a23f9365b00825268">offset</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="odd"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="odd"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#aac76d113a6a5ccbb09fea00fb25fd18f">size</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#a28612f3e897e5b268254a3c63413d759">pName</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="odd"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
<tr class="even"><td class="entry"><a class="el" href="struct_vma_allocation_info.html#aac76d113a6a5ccbb09fea00fb25fd18f">size</a></td><td class="entry"><a class="el" href="struct_vma_allocation_info.html">VmaAllocationInfo</a></td><td class="entry"></td></tr>
</table></div><!-- contents -->
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@ -92,6 +92,9 @@ Public Attributes</h2></td></tr>
<tr class="memitem:adc507656149c04de7ed95d0042ba2a13"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">pUserData</a></td></tr>
<tr class="memdesc:adc507656149c04de7ed95d0042ba2a13"><td class="mdescLeft">&#160;</td><td class="mdescRight">Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. <a href="struct_vma_allocation_info.html#adc507656149c04de7ed95d0042ba2a13">More...</a><br /></td></tr>
<tr class="separator:adc507656149c04de7ed95d0042ba2a13"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a28612f3e897e5b268254a3c63413d759"><td class="memItemLeft" align="right" valign="top">const char *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#a28612f3e897e5b268254a3c63413d759">pName</a></td></tr>
<tr class="memdesc:a28612f3e897e5b268254a3c63413d759"><td class="mdescLeft">&#160;</td><td class="mdescRight">Custom allocation name that was set with <a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc" title="Sets pName in given allocation to new value.">vmaSetAllocationName()</a>. <a href="struct_vma_allocation_info.html#a28612f3e897e5b268254a3c63413d759">More...</a><br /></td></tr>
<tr class="separator:a28612f3e897e5b268254a3c63413d759"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Parameters of <a class="el" href="struct_vma_allocation.html" title="Represents single memory allocation.">VmaAllocation</a> objects, that can be retrieved using function <a class="el" href="group__group__alloc.html#ga86dd08aba8633bfa4ad0df2e76481d8b" title="Returns current information about specified allocation.">vmaGetAllocationInfo()</a>. </p>
@ -165,6 +168,24 @@ Public Attributes</h2></td></tr>
<p >If the allocation hasn't been mapped using <a class="el" href="group__group__alloc.html#gad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> and hasn't been created with <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, this value is null.</p>
<p >It can change after call to <a class="el" href="group__group__alloc.html#gad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, <a class="el" href="group__group__alloc.html#ga9bc268595cb33f6ec4d519cfce81ff45" title="Unmaps memory represented by given allocation, mapped previously using vmaMapMemory().">vmaUnmapMemory()</a>. It can also change after call to vmaDefragment() if this allocation is passed to the function. </p>
</div>
</div>
<a id="a28612f3e897e5b268254a3c63413d759" name="a28612f3e897e5b268254a3c63413d759"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a28612f3e897e5b268254a3c63413d759">&#9670;&nbsp;</a></span>pName</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">const char* VmaAllocationInfo::pName</td>
</tr>
</table>
</div><div class="memdoc">
<p>Custom allocation name that was set with <a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc" title="Sets pName in given allocation to new value.">vmaSetAllocationName()</a>. </p>
<p >It can change after call to <a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc" title="Sets pName in given allocation to new value.">vmaSetAllocationName()</a> for this allocation.</p>
<p >Another way to set custom name is to pass it in <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> with additional flag VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT set [DEPRECATED]. </p>
</div>
</div>
<a id="adc507656149c04de7ed95d0042ba2a13" name="adc507656149c04de7ed95d0042ba2a13"></a>

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@ -99,10 +99,10 @@ GPU-only resource</h1>
<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_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a3fc311d855c2ff53f1090ef5c722b38f"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a3fc311d855c2ff53f1090ef5c722b38f">VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT</div><div class="ttdoc">Set this flag if the allocation should have its own memory block.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:528</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</div></div>
<div class="ttc" id="astruct_vma_allocation_create_info_html_a983d39e1a2e63649d78a960aa2fdd0f7"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7">VmaAllocationCreateInfo::priority</a></div><div class="ttdeci">float priority</div><div class="ttdoc">A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1267</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:1229</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:1223</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</div></div>
<div class="ttc" id="astruct_vma_allocation_create_info_html_a983d39e1a2e63649d78a960aa2fdd0f7"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7">VmaAllocationCreateInfo::priority</a></div><div class="ttdeci">float priority</div><div class="ttdoc">A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1269</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:1231</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:1225</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 ><b>Also consider:</b> Consider creating them as dedicated allocations using <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>, especially if they are large or if you plan to destroy and recreate them with different sizes e.g. when display resolution changes. Prefer to create such resources first and all other GPU resources (like textures and vertex buffers) later. When VK_EXT_memory_priority extension is enabled, it is also worth setting high priority to such allocation to decrease chances to be evicted to system memory by the operating system.</p>
<h1><a class="anchor" id="usage_patterns_staging_copy_upload"></a>
@ -128,9 +128,9 @@ Staging copy for upload</h1>
<div class="line">memcpy(allocInfo.<a class="code hl_variable" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a>, myData, myDataSize);</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 class="ttdoc">Creates a new VkBuffer, allocates and binds memory for it.</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:550</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:597</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:1336</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:1378</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a9be224df3bfc1cfa06203aed689a30c5">VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:599</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:1338</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:1380</div></div>
</div><!-- fragment --><p ><b>Also consider:</b> You can map the allocation using <a class="el" href="group__group__alloc.html#gad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a> or you can create it as persistenly mapped using <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>, as in the example above.</p>
<h1><a class="anchor" id="usage_patterns_readback"></a>
Readback</h1>
@ -153,7 +153,7 @@ Readback</h1>
<div class="line">...</div>
<div class="line"> </div>
<div class="line">const <span class="keywordtype">float</span>* downloadedData = (<span class="keyword">const</span> <span class="keywordtype">float</span>*)allocInfo.<a class="code hl_variable" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a>;</div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:609</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597add61238d98e20917b9a06c617763f492">VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_RANDOM_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:611</div></div>
</div><!-- fragment --><h1><a class="anchor" id="usage_patterns_advanced_data_uploading"></a>
Advanced data uploading</h1>
<p >For resources that you frequently write on CPU via mapped pointer and freqnently read on GPU e.g. as a uniform buffer (also called "dynamic"), multiple options are possible:</p>
@ -223,7 +223,7 @@ Advanced data uploading</h1>
<div class="line"> vkCmdCopyBuffer(cmdBuf, stagingBuf, buf, 1, &amp;bufCopy);</div>
<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_ggad9889c10c798b040d59c92f257cae597a11337f96eacf34c1016c339eac165cad"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a11337f96eacf34c1016c339eac165cad">VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:621</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a11337f96eacf34c1016c339eac165cad"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a11337f96eacf34c1016c339eac165cad">VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_HOST_ACCESS_ALLOW_TRANSFER_INSTEAD_BIT</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:623</div></div>
</div><!-- fragment --><h1><a class="anchor" id="usage_patterns_other_use_cases"></a>
Other use cases</h1>
<p >Here are some other, less obvious use cases and their recommended settings:</p>

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:1482</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:1488</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:1492</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:1498</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:1503</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:1508</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:1513</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:1518</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:1526</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:1541</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:1536</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:1551</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:1513</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:1523</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"> stats.<a class="code hl_variable" href="struct_vma_statistics.html#a21db06eba3422f87a2b4b4703d879c16">allocationBytes</a>, stats.<a class="code hl_variable" href="struct_vma_statistics.html#ab0ff76e50f58f9f54b6f265e5bf5dde2">allocationCount</a>);</div>
<div class="ttc" id="agroup__group__virtual_html_ga2902aa3130866afcc64bb5f984113db3"><div class="ttname"><a href="group__group__virtual.html#ga2902aa3130866afcc64bb5f984113db3">vmaGetVirtualBlockStatistics</a></div><div class="ttdeci">void vmaGetVirtualBlockStatistics(VmaVirtualBlock virtualBlock, VmaStatistics *pStats)</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_statistics_html"><div class="ttname"><a href="struct_vma_statistics.html">VmaStatistics</a></div><div class="ttdoc">Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1110</div></div>
<div class="ttc" id="astruct_vma_statistics_html_a21db06eba3422f87a2b4b4703d879c16"><div class="ttname"><a href="struct_vma_statistics.html#a21db06eba3422f87a2b4b4703d879c16">VmaStatistics::allocationBytes</a></div><div class="ttdeci">VkDeviceSize allocationBytes</div><div class="ttdoc">Total number of bytes occupied by all VmaAllocation objects.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1132</div></div>
<div class="ttc" id="astruct_vma_statistics_html_ab0ff76e50f58f9f54b6f265e5bf5dde2"><div class="ttname"><a href="struct_vma_statistics.html#ab0ff76e50f58f9f54b6f265e5bf5dde2">VmaStatistics::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of VmaAllocation objects allocated.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1118</div></div>
<div class="ttc" id="astruct_vma_statistics_html"><div class="ttname"><a href="struct_vma_statistics.html">VmaStatistics</a></div><div class="ttdoc">Calculated statistics of memory usage e.g. in a specific memory type, heap, custom pool,...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1112</div></div>
<div class="ttc" id="astruct_vma_statistics_html_a21db06eba3422f87a2b4b4703d879c16"><div class="ttname"><a href="struct_vma_statistics.html#a21db06eba3422f87a2b4b4703d879c16">VmaStatistics::allocationBytes</a></div><div class="ttdeci">VkDeviceSize allocationBytes</div><div class="ttdoc">Total number of bytes occupied by all VmaAllocation objects.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1134</div></div>
<div class="ttc" id="astruct_vma_statistics_html_ab0ff76e50f58f9f54b6f265e5bf5dde2"><div class="ttname"><a href="struct_vma_statistics.html#ab0ff76e50f58f9f54b6f265e5bf5dde2">VmaStatistics::allocationCount</a></div><div class="ttdeci">uint32_t allocationCount</div><div class="ttdoc">Number of VmaAllocation objects allocated.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1120</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>

3
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@ -442,6 +442,9 @@ Functions</h2></td></tr>
<tr class="memitem:gaf9147d31ffc11d62fc187bde283ed14f"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">vmaSetAllocationUserData</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, void *pUserData)</td></tr>
<tr class="memdesc:gaf9147d31ffc11d62fc187bde283ed14f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets pUserData in given allocation to new value. <a href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f">More...</a><br /></td></tr>
<tr class="separator:gaf9147d31ffc11d62fc187bde283ed14f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gabe02cbb0cd913b3f125958179f2020fc"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">vmaSetAllocationName</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, const char *pName)</td></tr>
<tr class="memdesc:gabe02cbb0cd913b3f125958179f2020fc"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sets pName in given allocation to new value. <a href="group__group__alloc.html#gabe02cbb0cd913b3f125958179f2020fc">More...</a><br /></td></tr>
<tr class="separator:gabe02cbb0cd913b3f125958179f2020fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga571e87dd38e552249b56b1b0b982fad1"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__group__alloc.html#ga571e87dd38e552249b56b1b0b982fad1">vmaGetAllocationMemoryProperties</a> (<a class="el" href="struct_vma_allocator.html">VmaAllocator</a> allocator, <a class="el" href="struct_vma_allocation.html">VmaAllocation</a> allocation, VkMemoryPropertyFlags *pFlags)</td></tr>
<tr class="memdesc:ga571e87dd38e552249b56b1b0b982fad1"><td class="mdescLeft">&#160;</td><td class="mdescRight">Given an allocation, returns Property Flags of its memory type. <a href="group__group__alloc.html#ga571e87dd38e552249b56b1b0b982fad1">More...</a><br /></td></tr>
<tr class="separator:ga571e87dd38e552249b56b1b0b982fad1"><td class="memSeparator" colspan="2">&#160;</td></tr>

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@ -70,20 +70,20 @@ $(function() {
</div><!--header-->
<div class="contents">
<div class="textblock"><p >VK_EXT_memory_priority is a device extension that allows to pass additional "priority" value to Vulkan memory allocations that the implementation may use prefer certain buffers and images that are critical for performance to stay in device-local memory in cases when the memory is over-subscribed, while some others may be moved to the system memory.</p>
<p >VMA offers convenient usage of this extension. If you enable it, you can pass "priority" parameter when creating allocations or custom pools, and the library automatically passes the value to Vulkan using this extension.</p>
<p >VMA offers convenient usage of this extension. If you enable it, you can pass "priority" parameter when creating allocations or custom pools and the library automatically passes the value to Vulkan using this extension.</p>
<p >If you want to use this extension in connection with VMA, follow these steps:</p>
<h1><a class="anchor" id="vk_ext_memory_priority_initialization"></a>
Initialization</h1>
<p >1) Call <code>vkEnumerateDeviceExtensionProperties</code> for the physical device. Check if the extension is supported - if returned array of <code>VkExtensionProperties</code> contains "VK_EXT_memory_priority".</p>
<p >2) Call <code>vkGetPhysicalDeviceFeatures2</code> for the physical device instead of old <code>vkGetPhysicalDeviceFeatures</code>. Attach additional structure <code>VkPhysicalDeviceMemoryPriorityFeaturesEXT</code> to <code>VkPhysicalDeviceFeatures2::pNext</code> to be returned. Check if the device feature is really supported - check if <code>VkPhysicalDeviceMemoryPriorityFeaturesEXT::memoryPriority</code> is true.</p>
<p >3) While creating device with <code>vkCreateDevice</code>, enable this extension - add "VK_EXT_memory_priority" to the list passed as <code>VkDeviceCreateInfo::ppEnabledExtensionNames</code>.</p>
<p >4) While creating the device, also don't set <code>VkDeviceCreateInfo::pEnabledFeatures</code>. Fill in <code>VkPhysicalDeviceFeatures2</code> structure instead and pass it as <code>VkDeviceCreateInfo::pNext</code>. Enable this device feature - attach additional structure <code>VkPhysicalDeviceMemoryPriorityFeaturesEXT</code> to <code>VkPhysicalDeviceFeatures2::pNext</code> and set its member <code>memoryPriority</code> to <code>VK_TRUE</code>.</p>
<p >4) While creating the device, also don't set <code>VkDeviceCreateInfo::pEnabledFeatures</code>. Fill in <code>VkPhysicalDeviceFeatures2</code> structure instead and pass it as <code>VkDeviceCreateInfo::pNext</code>. Enable this device feature - attach additional structure <code>VkPhysicalDeviceMemoryPriorityFeaturesEXT</code> to <code>VkPhysicalDeviceFeatures2::pNext</code> chain and set its member <code>memoryPriority</code> to <code>VK_TRUE</code>.</p>
<p >5) While creating <a class="el" href="struct_vma_allocator.html" title="Represents main object of this library initialized.">VmaAllocator</a> with <a class="el" href="group__group__init.html#ga200692051ddb34240248234f5f4c17bb" title="Creates VmaAllocator object.">vmaCreateAllocator()</a> inform VMA that you have enabled this extension and feature - add <a class="el" href="group__group__init.html#gga4f87c9100d154a65a4ad495f7763cf7caffdd7a5169be3dbd7cbf6b3619e4f78a">VMA_ALLOCATOR_CREATE_EXT_MEMORY_PRIORITY_BIT</a> to <a class="el" href="struct_vma_allocator_create_info.html#a392ea2ecbaff93f91a7c49f735ad4346" title="Flags for created allocator. Use VmaAllocatorCreateFlagBits enum.">VmaAllocatorCreateInfo::flags</a>.</p>
<h1><a class="anchor" id="vk_ext_memory_priority_usage"></a>
Usage</h1>
<p >When using this extension, you should initialize following member:</p>
<ul>
<li><a class="el" href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7" title="A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...">VmaAllocationCreateInfo::priority</a> when creating a dedicated allocation using <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>.</li>
<li><a class="el" href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7" title="A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...">VmaAllocationCreateInfo::priority</a> when creating a dedicated allocation with <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>.</li>
<li><a class="el" href="struct_vma_pool_create_info.html#a16e686c688f6725f119ebf6e24ab5274" title="A floating-point value between 0 and 1, indicating the priority of the allocations in this pool relat...">VmaPoolCreateInfo::priority</a> when creating a custom pool.</li>
</ul>
<p >It should be a floating-point value between <code>0.0f</code> and <code>1.0f</code>, where recommended default is <code>0.5f</code>. Memory allocated with higher value can be treated by the Vulkan implementation as higher priority and so it can have lower chances of being pushed out to system memory, experiencing degraded performance.</p>
@ -112,10 +112,10 @@ Usage</h1>
<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_ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e"><div class="ttname"><a href="group__group__alloc.html#ggaa5846affa1e9da3800e3e78fae2305cca27cde9026a84d34d525777baa41fce6e">VMA_MEMORY_USAGE_AUTO</a></div><div class="ttdeci">@ VMA_MEMORY_USAGE_AUTO</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:492</div></div>
<div class="ttc" id="agroup__group__alloc_html_ggad9889c10c798b040d59c92f257cae597a3fc311d855c2ff53f1090ef5c722b38f"><div class="ttname"><a href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597a3fc311d855c2ff53f1090ef5c722b38f">VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT</a></div><div class="ttdeci">@ VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT</div><div class="ttdoc">Set this flag if the allocation should have its own memory block.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:528</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1221</div></div>
<div class="ttc" id="astruct_vma_allocation_create_info_html_a983d39e1a2e63649d78a960aa2fdd0f7"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7">VmaAllocationCreateInfo::priority</a></div><div class="ttdeci">float priority</div><div class="ttdoc">A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1267</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:1229</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:1223</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="ttdoc">Parameters of new VmaAllocation.</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1223</div></div>
<div class="ttc" id="astruct_vma_allocation_create_info_html_a983d39e1a2e63649d78a960aa2fdd0f7"><div class="ttname"><a href="struct_vma_allocation_create_info.html#a983d39e1a2e63649d78a960aa2fdd0f7">VmaAllocationCreateInfo::priority</a></div><div class="ttdeci">float priority</div><div class="ttdoc">A floating-point value between 0 and 1, indicating the priority of the allocation relative to other m...</div><div class="ttdef"><b>Definition:</b> vk_mem_alloc.h:1269</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:1231</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:1225</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 ><code>priority</code> member is ignored in the following situations:</p>
<ul>

169
include/vk_mem_alloc.h
View File

@ -1,4 +1,4 @@
//
nn//
// Copyright (c) 2017-2022 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
@ -552,9 +552,11 @@ typedef enum VmaAllocationCreateFlagBits
VMA_ALLOCATION_CREATE_RESERVED_1_BIT = 0x00000008,
/// \deprecated Removed. Do not use.
VMA_ALLOCATION_CREATE_RESERVED_2_BIT = 0x00000010,
/** Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a
/** \deprecated Preserved for backward compatibility. Consider using vmaSetAllocationName() instead.
Set this flag to treat VmaAllocationCreateInfo::pUserData as pointer to a
null-terminated string. Instead of copying pointer value, a local copy of the
string is made and stored in allocation's `pUserData`. The string is automatically
string is made and stored in allocation's `pName`. The string is automatically
freed together with the allocation. It is also used in vmaBuildStatsString().
*/
VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT = 0x00000020,
@ -1381,6 +1383,14 @@ typedef struct VmaAllocationInfo
It can change after call to vmaSetAllocationUserData() for this allocation.
*/
void* VMA_NULLABLE pUserData;
/** \brief Custom allocation name that was set with vmaSetAllocationName().
It can change after call to vmaSetAllocationName() for this allocation.
Another way to set custom name is to pass it in VmaAllocationCreateInfo::pUserData with
additional flag VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT set [DEPRECATED].
*/
const char* VMA_NULLABLE pName;
} VmaAllocationInfo;
/** \brief Parameters for defragmentation.
@ -1913,15 +1923,8 @@ VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationInfo(
/** \brief Sets pUserData in given allocation to new value.
If the allocation was created with VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT,
pUserData must be either null, or pointer to a null-terminated string. The function
makes local copy of the string and sets it as allocation's `pUserData`. String
passed as pUserData doesn't need to be valid for whole lifetime of the allocation -
you can free it after this call. String previously pointed by allocation's
pUserData is freed from memory.
If the flag was not used, the value of pointer `pUserData` is just copied to
allocation's `pUserData`. It is opaque, so you can use it however you want - e.g.
The value of pointer `pUserData` is copied to allocation's `pUserData`.
It is opaque, so you can use it however you want - e.g.
as a pointer, ordinal number or some handle to you own data.
*/
VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData(
@ -1929,6 +1932,19 @@ VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData(
VmaAllocation VMA_NOT_NULL allocation,
void* VMA_NULLABLE pUserData);
/** \brief Sets pName in given allocation to new value.
`pName` must be either null, or pointer to a null-terminated string. The function
makes local copy of the string and sets it as allocation's `pName`. String
passed as pName doesn't need to be valid for whole lifetime of the allocation -
you can free it after this call. String previously pointed by allocation's
`pName` is freed from memory.
*/
VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationName(
VmaAllocator VMA_NOT_NULL allocator,
VmaAllocation VMA_NOT_NULL allocation,
const char* VMA_NULLABLE pName);
/**
\brief Given an allocation, returns Property Flags of its memory type.
@ -5943,9 +5959,8 @@ struct VmaAllocation_T
enum FLAGS
{
FLAG_USER_DATA_STRING = 0x01,
FLAG_PERSISTENT_MAP = 0x02,
FLAG_MAPPING_ALLOWED = 0x04,
FLAG_PERSISTENT_MAP = 0x01,
FLAG_MAPPING_ALLOWED = 0x02,
};
public:
@ -5957,7 +5972,7 @@ public:
};
// This struct is allocated using VmaPoolAllocator.
VmaAllocation_T(bool userDataString, bool mappingAllowed);
VmaAllocation_T(bool mappingAllowed);
~VmaAllocation_T();
void InitBlockAllocation(
@ -5980,8 +5995,8 @@ public:
ALLOCATION_TYPE GetType() const { return (ALLOCATION_TYPE)m_Type; }
VkDeviceSize GetAlignment() const { return m_Alignment; }
VkDeviceSize GetSize() const { return m_Size; }
bool IsUserDataString() const { return (m_Flags & FLAG_USER_DATA_STRING) != 0; }
void* GetUserData() const { return m_pUserData; }
const char* GetName() const { return m_pName; }
VmaSuballocationType GetSuballocationType() const { return (VmaSuballocationType)m_SuballocationType; }
VmaDeviceMemoryBlock* GetBlock() const { VMA_ASSERT(m_Type == ALLOCATION_TYPE_BLOCK); return m_BlockAllocation.m_Block; }
@ -5989,7 +6004,9 @@ public:
bool IsPersistentMap() const { return (m_Flags & FLAG_PERSISTENT_MAP) != 0; }
bool IsMappingAllowed() const { return (m_Flags & FLAG_MAPPING_ALLOWED) != 0; }
void SetUserData(VmaAllocator hAllocator, void* pUserData);
void SetUserData(VmaAllocator hAllocator, void* pUserData) { m_pUserData = pUserData; }
void SetName(VmaAllocator hAllocator, const char* pName);
void FreeName(VmaAllocator hAllocator);
uint8_t SwapBlockAllocation(VmaAllocator hAllocator, VmaAllocation allocation);
VmaAllocHandle GetAllocHandle() const;
VkDeviceSize GetOffset() const;
@ -6036,6 +6053,7 @@ private:
VkDeviceSize m_Alignment;
VkDeviceSize m_Size;
void* m_pUserData;
char* m_pName;
uint32_t m_MemoryTypeIndex;
uint8_t m_Type; // ALLOCATION_TYPE
uint8_t m_SuballocationType; // VmaSuballocationType
@ -6045,8 +6063,6 @@ private:
#if VMA_STATS_STRING_ENABLED
uint32_t m_BufferImageUsage; // 0 if unknown.
#endif
void FreeUserDataString(VmaAllocator hAllocator);
};
#endif // _VMA_ALLOCATION_T
@ -6382,35 +6398,17 @@ void VmaBlockMetadata::DebugLogAllocation(VkDeviceSize offset, VkDeviceSize size
VmaAllocation allocation = reinterpret_cast<VmaAllocation>(userData);
userData = allocation->GetUserData();
const char* name = allocation->GetName();
#if VMA_STATS_STRING_ENABLED
if (userData != VMA_NULL && allocation->IsUserDataString())
{
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %s; Type: %s; Usage: %u",
offset, size, reinterpret_cast<const char*>(userData),
VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()],
allocation->GetBufferImageUsage());
}
else
{
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Type: %s; Usage: %u",
offset, size, userData,
VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()],
allocation->GetBufferImageUsage());
}
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Name: %s; Type: %s; Usage: %u",
offset, size, userData, name ? name : "vma_empty",
VMA_SUBALLOCATION_TYPE_NAMES[allocation->GetSuballocationType()],
allocation->GetBufferImageUsage());
#else
if (userData != VMA_NULL && allocation->IsUserDataString())
{
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %s; Type: %u",
offset, size, reinterpret_cast<const char*>(userData),
(uint32_t)allocation->GetSuballocationType());
}
else
{
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Type: %u",
offset, size, userData,
(uint32_t)allocation->GetSuballocationType());
}
VMA_DEBUG_LOG("UNFREED ALLOCATION; Offset: %llu; Size: %llu; UserData: %p; Name: %s; Type: %u",
offset, size, userData, name ? name : "vma_empty",
(uint32_t)allocation->GetSuballocationType());
#endif // VMA_STATS_STRING_ENABLED
}
@ -11948,18 +11946,17 @@ VkResult VmaDeviceMemoryBlock::BindImageMemory(
#endif // _VMA_DEVICE_MEMORY_BLOCK_FUNCTIONS
#ifndef _VMA_ALLOCATION_T_FUNCTIONS
VmaAllocation_T::VmaAllocation_T(bool userDataString, bool mappingAllowed)
VmaAllocation_T::VmaAllocation_T(bool mappingAllowed)
: m_Alignment{ 1 },
m_Size{ 0 },
m_pUserData{ VMA_NULL },
m_pName{ VMA_NULL },
m_MemoryTypeIndex{ 0 },
m_Type{ (uint8_t)ALLOCATION_TYPE_NONE },
m_SuballocationType{ (uint8_t)VMA_SUBALLOCATION_TYPE_UNKNOWN },
m_MapCount{ 0 },
m_Flags{ 0 }
{
if(userDataString)
m_Flags |= (uint8_t)FLAG_USER_DATA_STRING;
if(mappingAllowed)
m_Flags |= (uint8_t)FLAG_MAPPING_ALLOWED;
@ -11973,7 +11970,7 @@ VmaAllocation_T::~VmaAllocation_T()
VMA_ASSERT(m_MapCount == 0 && "Allocation was not unmapped before destruction.");
// Check if owned string was freed.
VMA_ASSERT((IsUserDataString() && m_pUserData == VMA_NULL) || !IsUserDataString());
VMA_ASSERT(m_pName == VMA_NULL);
}
void VmaAllocation_T::InitBlockAllocation(
@ -12028,23 +12025,14 @@ void VmaAllocation_T::InitDedicatedAllocation(
m_DedicatedAllocation.m_Next = VMA_NULL;
}
void VmaAllocation_T::SetUserData(VmaAllocator hAllocator, void* pUserData)
void VmaAllocation_T::SetName(VmaAllocator hAllocator, const char* pName)
{
if (IsUserDataString())
{
VMA_ASSERT(pUserData == VMA_NULL || pUserData != m_pUserData);
VMA_ASSERT(pName == VMA_NULL || pName != m_pName);
FreeUserDataString(hAllocator);
FreeName(hAllocator);
if (pUserData != VMA_NULL)
{
m_pUserData = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), (const char*)pUserData);
}
}
else
{
m_pUserData = pUserData;
}
if (pName != VMA_NULL)
m_pName = VmaCreateStringCopy(hAllocator->GetAllocationCallbacks(), pName);
}
uint8_t VmaAllocation_T::SwapBlockAllocation(VmaAllocator hAllocator, VmaAllocation allocation)
@ -12255,16 +12243,14 @@ void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const
if (m_pUserData != VMA_NULL)
{
json.WriteString("UserData");
if (IsUserDataString())
{
json.WriteString((const char*)m_pUserData);
}
else
{
json.BeginString();
json.ContinueString_Pointer(m_pUserData);
json.EndString();
}
json.BeginString();
json.ContinueString_Pointer(m_pUserData);
json.EndString();
}
if (m_pName != VMA_NULL)
{
json.WriteString("Name");
json.WriteString(m_pName);
}
if (m_BufferImageUsage != 0)
@ -12275,11 +12261,13 @@ void VmaAllocation_T::PrintParameters(class VmaJsonWriter& json) const
}
#endif // VMA_STATS_STRING_ENABLED
void VmaAllocation_T::FreeUserDataString(VmaAllocator hAllocator)
void VmaAllocation_T::FreeName(VmaAllocator hAllocator)
{
VMA_ASSERT(IsUserDataString());
VmaFreeString(hAllocator->GetAllocationCallbacks(), (char*)m_pUserData);
m_pUserData = VMA_NULL;
if(m_pName)
{
VmaFreeString(hAllocator->GetAllocationCallbacks(), m_pName);
m_pName = VMA_NULL;
}
}
#endif // _VMA_ALLOCATION_T_FUNCTIONS
@ -12810,7 +12798,7 @@ VkResult VmaBlockVector::CommitAllocationRequest(
}
}
*pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(isUserDataString, isMappingAllowed);
*pAllocation = m_hAllocator->m_AllocationObjectAllocator.Allocate(isMappingAllowed);
pBlock->m_pMetadata->Alloc(allocRequest, suballocType, *pAllocation);
(*pAllocation)->InitBlockAllocation(
pBlock,
@ -12821,7 +12809,10 @@ VkResult VmaBlockVector::CommitAllocationRequest(
suballocType,
mapped);
VMA_HEAVY_ASSERT(pBlock->Validate());
(*pAllocation)->SetUserData(m_hAllocator, pUserData);
if (isUserDataString)
(*pAllocation)->SetName(m_hAllocator, (const char*)pUserData);
else
(*pAllocation)->SetUserData(m_hAllocator, pUserData);
m_hAllocator->m_Budget.AddAllocation(m_hAllocator->MemoryTypeIndexToHeapIndex(m_MemoryTypeIndex), allocRequest.size);
if (VMA_DEBUG_INITIALIZE_ALLOCATIONS)
{
@ -14687,9 +14678,12 @@ VkResult VmaAllocator_T::AllocateDedicatedMemoryPage(
}
}
*pAllocation = m_AllocationObjectAllocator.Allocate(isUserDataString, isMappingAllowed);
*pAllocation = m_AllocationObjectAllocator.Allocate(isMappingAllowed);
(*pAllocation)->InitDedicatedAllocation(pool, memTypeIndex, hMemory, suballocType, pMappedData, size);
(*pAllocation)->SetUserData(this, pUserData);
if (isUserDataString)
(*pAllocation)->SetName(this, (const char*)pUserData);
else
(*pAllocation)->SetUserData(this, pUserData);
m_Budget.AddAllocation(MemoryTypeIndexToHeapIndex(memTypeIndex), size);
if(VMA_DEBUG_INITIALIZE_ALLOCATIONS)
{
@ -15021,6 +15015,8 @@ void VmaAllocator_T::FreeMemory(
FillAllocation(allocation, VMA_ALLOCATION_FILL_PATTERN_DESTROYED);
}
allocation->FreeName(this);
switch(allocation->GetType())
{
case VmaAllocation_T::ALLOCATION_TYPE_BLOCK:
@ -15166,6 +15162,7 @@ void VmaAllocator_T::GetAllocationInfo(VmaAllocation hAllocation, VmaAllocationI
pAllocationInfo->size = hAllocation->GetSize();
pAllocationInfo->pMappedData = hAllocation->GetMappedData();
pAllocationInfo->pUserData = hAllocation->GetUserData();
pAllocationInfo->pName = hAllocation->GetName();
}
VkResult VmaAllocator_T::CreatePool(const VmaPoolCreateInfo* pCreateInfo, VmaPool* pPool)
@ -16600,6 +16597,14 @@ VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationUserData(
allocation->SetUserData(allocator, pUserData);
}
VMA_CALL_PRE void VMA_CALL_POST vmaSetAllocationName(
VmaAllocator VMA_NOT_NULL allocator,
VmaAllocation VMA_NOT_NULL allocation,
const char* VMA_NULLABLE pName)
{
allocation->SetName(allocator, pName);
}
VMA_CALL_PRE void VMA_CALL_POST vmaGetAllocationMemoryProperties(
VmaAllocator VMA_NOT_NULL allocator,
VmaAllocation VMA_NOT_NULL allocation,

14
src/Tests.cpp
View File

@ -2758,21 +2758,21 @@ static void TestUserData()
VkBuffer buf; VmaAllocation alloc; VmaAllocationInfo allocInfo;
res = vmaCreateBuffer(g_hAllocator, &bufCreateInfo, &allocCreateInfo, &buf, &alloc, &allocInfo);
TEST(res == VK_SUCCESS);
TEST(allocInfo.pUserData != nullptr && allocInfo.pUserData != name1Buf);
TEST(strcmp(name1, (const char*)allocInfo.pUserData) == 0);
TEST(allocInfo.pName != nullptr && allocInfo.pName != name1Buf);
TEST(strcmp(name1, allocInfo.pName) == 0);
delete[] name1Buf;
vmaGetAllocationInfo(g_hAllocator, alloc, &allocInfo);
TEST(strcmp(name1, (const char*)allocInfo.pUserData) == 0);
TEST(strcmp(name1, allocInfo.pName) == 0);
vmaSetAllocationUserData(g_hAllocator, alloc, (void*)name2);
vmaSetAllocationName(g_hAllocator, alloc, name2);
vmaGetAllocationInfo(g_hAllocator, alloc, &allocInfo);
TEST(strcmp(name2, (const char*)allocInfo.pUserData) == 0);
TEST(strcmp(name2, allocInfo.pName) == 0);
vmaSetAllocationUserData(g_hAllocator, alloc, nullptr);
vmaSetAllocationName(g_hAllocator, alloc, nullptr);
vmaGetAllocationInfo(g_hAllocator, alloc, &allocInfo);
TEST(allocInfo.pUserData == nullptr);
TEST(allocInfo.pName == nullptr);
vmaDestroyBuffer(g_hAllocator, buf, alloc);
}

4
src/VulkanSample.cpp
View File

@ -2623,12 +2623,14 @@ int Main2(int argc, wchar_t** argv)
int wmain(int argc, wchar_t** argv)
{
int result = 0;
try
{
return Main2(argc, argv);
result = Main2(argc, argv);
TEST(g_CpuAllocCount.load() == 0);
}
CATCH_PRINT_ERROR(return (int)ExitCode::RuntimeError;)
return result;
}
#else // #ifdef _WIN32