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Fixed vmaVirtualFree legal to call with allocation == VK_NULL_HANDLE

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Hopefully fixes #230
Fixes in internal validation.
Rebuilt the docs.
This commit is contained in:
Adam Sawicki 2022-02-04 14:32:45 +01:00
parent 22485a05f9
commit fd4ee1d5aa
4 changed files with 16 additions and 7 deletions
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3
docs/html/group__group__virtual.html
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@ -610,7 +610,7 @@ Functions</h2></td></tr>
</div><div class="memdoc">
<p>Allocates new virtual allocation inside given <a class="el" href="struct_vma_virtual_block.html" title="Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...">VmaVirtualBlock</a>. </p>
<p >If the allocation fails due to not enough free space available, <code>VK_ERROR_OUT_OF_DEVICE_MEMORY</code> is returned (despite the function doesn't ever allocate actual GPU memory). <code>pAllocation</code> is then set to <code>VK_NULL_HANDLE</code> AND <code>pOffset</code>, if not null, it set to <code>UINT64_MAX</code>.</p>
<p >If the allocation fails due to not enough free space available, <code>VK_ERROR_OUT_OF_DEVICE_MEMORY</code> is returned (despite the function doesn't ever allocate actual GPU memory). <code>pAllocation</code> is then set to <code>VK_NULL_HANDLE</code> and <code>pOffset</code>, if not null, it set to <code>UINT64_MAX</code>.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir"></td><td class="paramname">virtualBlock</td><td>Virtual block </td></tr>
@ -650,6 +650,7 @@ Functions</h2></td></tr>
</div><div class="memdoc">
<p>Frees virtual allocation inside given <a class="el" href="struct_vma_virtual_block.html" title="Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...">VmaVirtualBlock</a>. </p>
<p >It is correct to call this function with <code>allocation == VK_NULL_HANDLE</code> - it does nothing. </p>
</div>
</div>

3
docs/html/struct_vma_virtual_allocation.html
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@ -72,7 +72,8 @@ $(function() {
<p><code>#include &lt;vk_mem_alloc.h&gt;</code></p>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Represents single memory allocation done inside <a class="el" href="struct_vma_virtual_block.html" title="Handle to a virtual block object that allows to use core allocation algorithm without allocating any ...">VmaVirtualBlock</a>. </p>
<p >Use it as a unique identifier to virtual allocation within the single block. </p>
<p >Use it as a unique identifier to virtual allocation within the single block.</p>
<p >Use value <code>VK_NULL_HANDLE</code> to represent a null/invalid allocation. </p>
</div><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>
</ul>

14
include/vk_mem_alloc.h
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@ -833,6 +833,8 @@ VK_DEFINE_HANDLE(VmaDefragmentationContext)
\brief Represents single memory allocation done inside VmaVirtualBlock.
Use it as a unique identifier to virtual allocation within the single block.
Use value `VK_NULL_HANDLE` to represent a null/invalid allocation.
*/
VK_DEFINE_NON_DISPATCHABLE_HANDLE(VmaVirtualAllocation);
@ -2382,6 +2384,8 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(
VkDeviceSize* VMA_NULLABLE pOffset);
/** \brief Frees virtual allocation inside given #VmaVirtualBlock.
It is correct to call this function with `allocation == VK_NULL_HANDLE` - it does nothing.
*/
VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(
VmaVirtualBlock VMA_NOT_NULL virtualBlock,
@ -6572,7 +6576,7 @@ bool VmaBlockMetadata_Generic::Validate() const
{
if (!IsVirtual())
{
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == subAlloc.offset);
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == subAlloc.offset + 1);
VMA_VALIDATE(alloc->GetSize() == subAlloc.size);
}
@ -7435,7 +7439,7 @@ bool VmaBlockMetadata_Linear::Validate() const
{
if (!IsVirtual())
{
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset);
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1);
VMA_VALIDATE(alloc->GetSize() == suballoc.size);
}
sumUsedSize += suballoc.size;
@ -7477,7 +7481,7 @@ bool VmaBlockMetadata_Linear::Validate() const
{
if (!IsVirtual())
{
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset);
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1);
VMA_VALIDATE(alloc->GetSize() == suballoc.size);
}
sumUsedSize += suballoc.size;
@ -7511,7 +7515,7 @@ bool VmaBlockMetadata_Linear::Validate() const
{
if (!IsVirtual())
{
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset);
VMA_VALIDATE((VkDeviceSize)alloc->GetAllocHandle() == suballoc.offset + 1);
VMA_VALIDATE(alloc->GetSize() == suballoc.size);
}
sumUsedSize += suballoc.size;
@ -17847,7 +17851,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaVirtualAllocate(VmaVirtualBlock VMA_NOT_N
VMA_CALL_PRE void VMA_CALL_POST vmaVirtualFree(VmaVirtualBlock VMA_NOT_NULL virtualBlock, VmaVirtualAllocation allocation)
{
if(virtualBlock != VMA_NULL)
if(allocation != VK_NULL_HANDLE)
{
VMA_ASSERT(virtualBlock != VK_NULL_HANDLE);
VMA_DEBUG_LOG("vmaVirtualFree");

3
src/Tests.cpp
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@ -2799,6 +2799,9 @@ static void TestVirtualBlocks()
vmaVirtualFree(block, allocation0);
// # Test free of null allocation.
vmaVirtualFree(block, VK_NULL_HANDLE);
// # Test alignment
{