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https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator
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Minor typo fixes in code comments
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@ -122,7 +122,7 @@ To do it properly:
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-# Include "vk_mem_alloc.h" file in each CPP file where you want to use the library.
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This includes declarations of all members of the library.
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-# In exacly one CPP file define following macro before this include.
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-# In exactly one CPP file define following macro before this include.
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It enables also internal definitions.
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\code
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@ -701,7 +701,7 @@ vkDestroyImage(allocator, img2, nullptr);
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vkDestroyImage(allocator, img1, nullptr);
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\endcode
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Remember that using resouces that alias in memory requires proper synchronization.
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Remember that using resources that alias in memory requires proper synchronization.
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You need to issue a memory barrier to make sure commands that use `img1` and `img2`
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don't overlap on GPU timeline.
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You also need to treat a resource after aliasing as uninitialized - containing garbage data.
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@ -1130,7 +1130,7 @@ See [Validation layer warnings](@ref general_considerations_validation_layer_war
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Please don't expect memory to be fully compacted after defragmentation.
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Algorithms inside are based on some heuristics that try to maximize number of Vulkan
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memory blocks to make totally empty to release them, as well as to maximimze continuous
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memory blocks to make totally empty to release them, as well as to maximize continuous
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empty space inside remaining blocks, while minimizing the number and size of allocations that
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need to be moved. Some fragmentation may still remain - this is normal.
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@ -1671,7 +1671,7 @@ Which solution is the most efficient depends on your resource and especially on
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It is best to measure it and then make the decision.
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Some general recommendations:
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- On integrated graphics use (2) or (3) to avoid unnecesary time and memory overhead
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- On integrated graphics use (2) or (3) to avoid unnecessary time and memory overhead
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related to using a second copy and making transfer.
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- For small resources (e.g. constant buffers) use (2).
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Discrete AMD cards have special 256 MiB pool of video memory that is directly mappable.
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@ -1964,7 +1964,7 @@ to just ignore them.
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up together, especially on GPUs with unified memory like Intel.
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- *Non-linear image 0xebc91 is aliased with linear buffer 0xeb8e4 which may indicate a bug.*
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- It happens when you use lost allocations, and a new image or buffer is
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created in place of an existing object that bacame lost.
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created in place of an existing object that became lost.
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- It may happen also when you use [defragmentation](@ref defragmentation).
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\section general_considerations_allocation_algorithm Allocation algorithm
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@ -2240,7 +2240,7 @@ typedef enum VmaAllocatorCreateFlagBits {
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The flag works only if VmaAllocatorCreateInfo::vulkanApiVersion `== VK_API_VERSION_1_0`.
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When it's `VK_API_VERSION_1_1`, the flag is ignored because the extension has been promoted to Vulkan 1.1.
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Using this extenion will automatically allocate dedicated blocks of memory for
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Using this extension will automatically allocate dedicated blocks of memory for
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some buffers and images instead of suballocating place for them out of bigger
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memory blocks (as if you explicitly used #VMA_ALLOCATION_CREATE_DEDICATED_MEMORY_BIT
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flag) when it is recommended by the driver. It may improve performance on some
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@ -3442,7 +3442,7 @@ VMA_CALL_PRE void VMA_CALL_POST vmaCreateLostAllocation(
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Maps memory represented by given allocation to make it accessible to CPU code.
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When succeeded, `*ppData` contains pointer to first byte of this memory.
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If the allocation is part of bigger `VkDeviceMemory` block, the pointer is
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correctly offseted to the beginning of region assigned to this particular
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correctly offsetted to the beginning of region assigned to this particular
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allocation.
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Mapping is internally reference-counted and synchronized, so despite raw Vulkan
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@ -3862,7 +3862,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindBufferMemory(
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/** \brief Binds buffer to allocation with additional parameters.
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@param allocationLocalOffset Additional offset to be added while binding, relative to the beginnig of the `allocation`. Normally it should be 0.
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@param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0.
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@param pNext A chain of structures to be attached to `VkBindBufferMemoryInfoKHR` structure used internally. Normally it should be null.
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This function is similar to vmaBindBufferMemory(), but it provides additional parameters.
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@ -3896,7 +3896,7 @@ VMA_CALL_PRE VkResult VMA_CALL_POST vmaBindImageMemory(
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/** \brief Binds image to allocation with additional parameters.
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@param allocationLocalOffset Additional offset to be added while binding, relative to the beginnig of the `allocation`. Normally it should be 0.
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@param allocationLocalOffset Additional offset to be added while binding, relative to the beginning of the `allocation`. Normally it should be 0.
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@param pNext A chain of structures to be attached to `VkBindImageMemoryInfoKHR` structure used internally. Normally it should be null.
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This function is similar to vmaBindImageMemory(), but it provides additional parameters.
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@ -7045,7 +7045,7 @@ private:
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- m_UsableSize is this size aligned down to a power of two.
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All allocations and calculations happen relative to m_UsableSize.
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- GetUnusableSize() is the difference between them.
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It is repoted as separate, unused range, not available for allocations.
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It is reported as separate, unused range, not available for allocations.
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Node at level 0 has size = m_UsableSize.
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Each next level contains nodes with size 2 times smaller than current level.
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@ -7900,7 +7900,7 @@ public:
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Returns:
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- `VK_SUCCESS` if succeeded and object can be destroyed immediately.
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- `VK_NOT_READY` if succeeded but the object must remain alive until vmaDefragmentationEnd().
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- Negative value if error occured and object can be destroyed immediately.
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- Negative value if error occurred and object can be destroyed immediately.
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*/
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VkResult Defragment(
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VkDeviceSize maxCpuBytesToMove, uint32_t maxCpuAllocationsToMove,
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@ -9383,7 +9383,7 @@ bool VmaBlockMetadata_Generic::Validate() const
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lastSize = suballocItem->size;
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}
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// Check if totals match calculacted values.
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// Check if totals match calculated values.
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VMA_VALIDATE(ValidateFreeSuballocationList());
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VMA_VALIDATE(calculatedOffset == GetSize());
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VMA_VALIDATE(calculatedSumFreeSize == m_SumFreeSize);
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@ -10443,7 +10443,7 @@ VkDeviceSize VmaBlockMetadata_Linear::GetUnusedRangeSizeMax() const
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case SECOND_VECTOR_EMPTY:
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/*
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Available space is after end of 1st, as well as before beginning of 1st (which
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whould make it a ring buffer).
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would make it a ring buffer).
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*/
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{
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const size_t suballocations1stCount = suballocations1st.size();
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@ -11643,7 +11643,7 @@ bool VmaBlockMetadata_Linear::MakeRequestedAllocationsLost(
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}
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CleanupAfterFree();
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//VMA_HEAVY_ASSERT(Validate()); // Already called by ClanupAfterFree().
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//VMA_HEAVY_ASSERT(Validate()); // Already called by CleanupAfterFree().
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return true;
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}
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