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VulkanMemoryAllocator/docs/html/struct_vma_allocation_info.html
Adam Sawicki b2e7801ff3 Added function vmaGetAllocationInfo2, structure VmaAllocationInfo2 
See #383, #340 Thanks @debaetsd !
Rebuilt the docs.
2023-11-08 18:01:19 +01:00

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<a href="#pub-attribs">Public Attributes</a> &#124;
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<div class="headertitle"><div class="title">VmaAllocationInfo Struct Reference<div class="ingroups"><a class="el" href="group__group__alloc.html">Memory allocation</a></div></div></div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a7f6b0aa58c135e488e6b40a388dad9d5" id="r_a7f6b0aa58c135e488e6b40a388dad9d5"><td class="memItemLeft" align="right" valign="top">uint32_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#a7f6b0aa58c135e488e6b40a388dad9d5">memoryType</a></td></tr>
<tr class="memdesc:a7f6b0aa58c135e488e6b40a388dad9d5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Memory type index that this allocation was allocated from. <br /></td></tr>
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<tr class="memitem:ae0bfb7dfdf79a76ffefc9a94677a2f67" id="r_ae0bfb7dfdf79a76ffefc9a94677a2f67"><td class="memItemLeft" align="right" valign="top">VkDeviceMemory&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#ae0bfb7dfdf79a76ffefc9a94677a2f67">deviceMemory</a></td></tr>
<tr class="memdesc:ae0bfb7dfdf79a76ffefc9a94677a2f67"><td class="mdescLeft">&#160;</td><td class="mdescRight">Handle to Vulkan memory object. <br /></td></tr>
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<tr class="memitem:a4a3c732388dbdc7a23f9365b00825268" id="r_a4a3c732388dbdc7a23f9365b00825268"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#a4a3c732388dbdc7a23f9365b00825268">offset</a></td></tr>
<tr class="memdesc:a4a3c732388dbdc7a23f9365b00825268"><td class="mdescLeft">&#160;</td><td class="mdescRight">Offset in <code>VkDeviceMemory</code> object to the beginning of this allocation, in bytes. <code>(deviceMemory, offset)</code> pair is unique to this allocation. <br /></td></tr>
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<tr class="memitem:aac76d113a6a5ccbb09fea00fb25fd18f" id="r_aac76d113a6a5ccbb09fea00fb25fd18f"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#aac76d113a6a5ccbb09fea00fb25fd18f">size</a></td></tr>
<tr class="memdesc:aac76d113a6a5ccbb09fea00fb25fd18f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Size of this allocation, in bytes. <br /></td></tr>
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<tr class="memitem:a5eeffbe2d2f30f53370ff14aefbadbe2" id="r_a5eeffbe2d2f30f53370ff14aefbadbe2"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_allocation_info.html#a5eeffbe2d2f30f53370ff14aefbadbe2">pMappedData</a></td></tr>
<tr class="memdesc:a5eeffbe2d2f30f53370ff14aefbadbe2"><td class="mdescLeft">&#160;</td><td class="mdescRight">Pointer to the beginning of this allocation as mapped data. <br /></td></tr>
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<tr class="memitem:adc507656149c04de7ed95d0042ba2a13" id="r_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>. <br /></td></tr>
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<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>. <br /></td></tr>
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<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>
<p>There is also an extended version of this structure that carries additional parameters: <a class="el" href="struct_vma_allocation_info2.html" title="Extended parameters of a VmaAllocation object that can be retrieved using function vmaGetAllocationIn...">VmaAllocationInfo2</a>. </p>
</div><h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ae0bfb7dfdf79a76ffefc9a94677a2f67">&#9670;&#160;</a></span>deviceMemory</h2>
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<td class="memname">VkDeviceMemory VmaAllocationInfo::deviceMemory</td>
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<p>Handle to Vulkan memory object. </p>
<p>Same memory object can be shared by multiple allocations.</p>
<p>It can change after the allocation is moved during <a class="el" href="defragmentation.html">Defragmentation</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a7f6b0aa58c135e488e6b40a388dad9d5">&#9670;&#160;</a></span>memoryType</h2>
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<td class="memname">uint32_t VmaAllocationInfo::memoryType</td>
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<p>Memory type index that this allocation was allocated from. </p>
<p>It never changes. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4a3c732388dbdc7a23f9365b00825268">&#9670;&#160;</a></span>offset</h2>
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<td class="memname">VkDeviceSize VmaAllocationInfo::offset</td>
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<p>Offset in <code>VkDeviceMemory</code> object to the beginning of this allocation, in bytes. <code>(deviceMemory, offset)</code> pair is unique to this allocation. </p>
<p>You usually don't need to use this offset. If you create a buffer or an image together with the allocation using e.g. function <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>, functions that operate on these resources refer to the beginning of the buffer or image, not entire device memory block. Functions like <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#ga6b0929b914b60cf2d45cac4bf3547470" title="Binds buffer to allocation.">vmaBindBufferMemory()</a> also refer to the beginning of the allocation and apply this offset automatically.</p>
<p>It can change after the allocation is moved during <a class="el" href="defragmentation.html">Defragmentation</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a5eeffbe2d2f30f53370ff14aefbadbe2">&#9670;&#160;</a></span>pMappedData</h2>
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<td class="memname">void* VmaAllocationInfo::pMappedData</td>
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<p>Pointer to the beginning of this allocation as mapped data. </p>
<p>If the allocation hasn't been mapped using <a class="el" href="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 the allocation is moved during <a class="el" href="defragmentation.html">Defragmentation</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a28612f3e897e5b268254a3c63413d759">&#9670;&#160;</a></span>pName</h2>
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<td class="memname">const char* VmaAllocationInfo::pName</td>
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<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 <a class="el" href="group__group__alloc.html#ggad9889c10c798b040d59c92f257cae597aa6f24f821cd6a7c5e4a443f7bf59c520">VMA_ALLOCATION_CREATE_USER_DATA_COPY_STRING_BIT</a> set [DEPRECATED]. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#adc507656149c04de7ed95d0042ba2a13">&#9670;&#160;</a></span>pUserData</h2>
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<td class="memname">void* VmaAllocationInfo::pUserData</td>
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<p>Custom general-purpose pointer that was passed as <a class="el" href="struct_vma_allocation_create_info.html#a8259e85c272683434f4abb4ddddffe19" title="Custom general-purpose pointer that will be stored in VmaAllocation, can be read as VmaAllocationInfo...">VmaAllocationCreateInfo::pUserData</a> or set using <a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a>. </p>
<p>It can change after call to <a class="el" href="group__group__alloc.html#gaf9147d31ffc11d62fc187bde283ed14f" title="Sets pUserData in given allocation to new value.">vmaSetAllocationUserData()</a> for this allocation. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aac76d113a6a5ccbb09fea00fb25fd18f">&#9670;&#160;</a></span>size</h2>
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<td class="memname">VkDeviceSize VmaAllocationInfo::size</td>
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<p>Size of this allocation, in bytes. </p>
<p>It never changes.</p>
<dl class="section note"><dt>Note</dt><dd>Allocation size returned in this variable may be greater than the size requested for the resource e.g. as <code>VkBufferCreateInfo::size</code>. Whole size of the allocation is accessible for operations on memory e.g. using a pointer after mapping with <a class="el" href="group__group__alloc.html#gad5bd1243512d099706de88168992f069" title="Maps memory represented by given allocation and returns pointer to it.">vmaMapMemory()</a>, but operations on the resource e.g. using <code>vkCmdCopyBuffer</code> must be limited to the size of the resource. </dd></dl>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>D:/PROJECTS/Vulkan Memory Allocator/REPO/include/<a class="el" href="vk__mem__alloc_8h.html">vk_mem_alloc.h</a></li>
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