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<a href="#pub-attribs">Public Attributes</a> &#124;
<a href="struct_vma_budget-members.html">List of all members</a> </div>
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<div class="title">VmaBudget Struct Reference</div> </div>
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<p>Statistics of current memory usage and available budget, in bytes, for specific memory heap.
<a href="struct_vma_budget.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a58b492901baab685f466199124e514a0"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_budget.html#a58b492901baab685f466199124e514a0">blockBytes</a></td></tr>
<tr class="memdesc:a58b492901baab685f466199124e514a0"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sum size of all <code>VkDeviceMemory</code> blocks allocated from particular heap, in bytes. <a href="struct_vma_budget.html#a58b492901baab685f466199124e514a0">More...</a><br /></td></tr>
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<tr class="memitem:a7e2a6583ebd63e194951c542563804d8"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_budget.html#a7e2a6583ebd63e194951c542563804d8">allocationBytes</a></td></tr>
<tr class="memdesc:a7e2a6583ebd63e194951c542563804d8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Sum size of all allocations created in particular heap, in bytes. <a href="struct_vma_budget.html#a7e2a6583ebd63e194951c542563804d8">More...</a><br /></td></tr>
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<tr class="memitem:a84dd1ecca8b0110259eb206dbadb11f6"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_budget.html#a84dd1ecca8b0110259eb206dbadb11f6">usage</a></td></tr>
<tr class="memdesc:a84dd1ecca8b0110259eb206dbadb11f6"><td class="mdescLeft">&#160;</td><td class="mdescRight">Estimated current memory usage of the program, in bytes. <a href="struct_vma_budget.html#a84dd1ecca8b0110259eb206dbadb11f6">More...</a><br /></td></tr>
<tr class="separator:a84dd1ecca8b0110259eb206dbadb11f6"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab82e1d1754c2d210d0bdf90220bc6cdd"><td class="memItemLeft" align="right" valign="top">VkDeviceSize&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_vma_budget.html#ab82e1d1754c2d210d0bdf90220bc6cdd">budget</a></td></tr>
<tr class="memdesc:ab82e1d1754c2d210d0bdf90220bc6cdd"><td class="mdescLeft">&#160;</td><td class="mdescRight">Estimated amount of memory available to the program, in bytes. <a href="struct_vma_budget.html#ab82e1d1754c2d210d0bdf90220bc6cdd">More...</a><br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Statistics of current memory usage and available budget, in bytes, for specific memory heap. </p>
</div><h2 class="groupheader">Member Data Documentation</h2>
<a id="a7e2a6583ebd63e194951c542563804d8"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7e2a6583ebd63e194951c542563804d8">&#9670;&nbsp;</a></span>allocationBytes</h2>
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<p>Sum size of all allocations created in particular heap, in bytes. </p>
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<p>Usually less or equal than <code>blockBytes</code>. Difference <code>blockBytes - allocationBytes</code> is the amount of memory allocated but unused - available for new allocations or wasted due to fragmentation.</p>
<p>It might be greater than <code>blockBytes</code> if there are some allocations in lost state, as they account to this value as well. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a58b492901baab685f466199124e514a0">&#9670;&nbsp;</a></span>blockBytes</h2>
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<td class="memname">VkDeviceSize VmaBudget::blockBytes</td>
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<p>Sum size of all <code>VkDeviceMemory</code> blocks allocated from particular heap, in bytes. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ab82e1d1754c2d210d0bdf90220bc6cdd">&#9670;&nbsp;</a></span>budget</h2>
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<td class="memname">VkDeviceSize VmaBudget::budget</td>
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<p>Estimated amount of memory available to the program, in bytes. </p>
<p>Fetched from system using <code>VK_EXT_memory_budget</code> extension if enabled.</p>
<p>It might be different (most probably smaller) than <code>VkMemoryHeap::size[heapIndex]</code> due to factors external to the program, like other programs also consuming system resources. Difference <code>budget - usage</code> is the amount of additional memory that can probably be allocated without problems. Exceeding the budget may result in various problems. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a84dd1ecca8b0110259eb206dbadb11f6">&#9670;&nbsp;</a></span>usage</h2>
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<td class="memname">VkDeviceSize VmaBudget::usage</td>
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<p>Estimated current memory usage of the program, in bytes. </p>
<p>Fetched from system using <code>VK_EXT_memory_budget</code> extension if enabled.</p>
<p>It might be different than <code>blockBytes</code> (usually higher) due to additional implicit objects also occupying the memory, like swapchain, pipelines, descriptor heaps, command buffers, or <code>VkDeviceMemory</code> blocks allocated outside of this library, if any. </p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li><a class="el" href="vk__mem__alloc_8h_source.html">vk_mem_alloc.h</a></li>
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