mirror of
https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator
synced 2024-11-05 04:10:06 +00:00
Added optional usage of VmaAllocatorCreateInfo::pAllocationCallbacks (disabled by default).
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@ -35,14 +35,15 @@ static const wchar_t* const APP_TITLE_W = L"Vulkan Memory Allocator Sample 2.0";
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static const bool VSYNC = true;
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static const uint32_t COMMAND_BUFFER_COUNT = 2;
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static bool g_EnableValidationLayer = true;
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static void* const CUSTOM_CPU_ALLOCATION_CALLBACK_USER_DATA = (void*)(intptr_t)43564544;
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static const bool USE_CUSTOM_CPU_ALLOCATION_CALLBACKS = false;
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VkPhysicalDevice g_hPhysicalDevice;
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VkDevice g_hDevice;
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VmaAllocator g_hAllocator;
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bool g_MemoryAliasingWarningEnabled = true;
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static bool g_EnableValidationLayer = true;
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static bool VK_KHR_get_memory_requirements2_enabled = false;
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static bool VK_KHR_dedicated_allocation_enabled = false;
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@ -102,6 +103,28 @@ static VkImage g_hTextureImage;
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static VmaAllocation g_hTextureImageAlloc;
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static VkImageView g_hTextureImageView;
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static void* CustomCpuAllocation(
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void* pUserData, size_t size, size_t alignment,
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VkSystemAllocationScope allocationScope)
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{
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assert(pUserData == CUSTOM_CPU_ALLOCATION_CALLBACK_USER_DATA);
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return _aligned_malloc(size, alignment);
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}
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static void* CustomCpuReallocation(
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void* pUserData, void* pOriginal, size_t size, size_t alignment,
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VkSystemAllocationScope allocationScope)
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{
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assert(pUserData == CUSTOM_CPU_ALLOCATION_CALLBACK_USER_DATA);
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return _aligned_realloc(pOriginal, size, alignment);
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}
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static void CustomCpuFree(void* pUserData, void* pMemory)
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{
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assert(pUserData == CUSTOM_CPU_ALLOCATION_CALLBACK_USER_DATA);
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_aligned_free(pMemory);
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}
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static void BeginSingleTimeCommands()
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{
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VkCommandBufferBeginInfo cmdBufBeginInfo = { VK_STRUCTURE_TYPE_COMMAND_BUFFER_BEGIN_INFO };
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@ -1255,10 +1278,22 @@ static void InitializeApplication()
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VmaAllocatorCreateInfo allocatorInfo = {};
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allocatorInfo.physicalDevice = g_hPhysicalDevice;
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allocatorInfo.device = g_hDevice;
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if(VK_KHR_dedicated_allocation_enabled)
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{
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allocatorInfo.flags |= VMA_ALLOCATOR_CREATE_KHR_DEDICATED_ALLOCATION_BIT;
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}
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VkAllocationCallbacks cpuAllocationCallbacks = {};
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if(USE_CUSTOM_CPU_ALLOCATION_CALLBACKS)
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{
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cpuAllocationCallbacks.pUserData = CUSTOM_CPU_ALLOCATION_CALLBACK_USER_DATA;
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cpuAllocationCallbacks.pfnAllocation = &CustomCpuAllocation;
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cpuAllocationCallbacks.pfnReallocation = &CustomCpuReallocation;
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cpuAllocationCallbacks.pfnFree = &CustomCpuFree;
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allocatorInfo.pAllocationCallbacks = &cpuAllocationCallbacks;
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}
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ERR_GUARD_VULKAN( vmaCreateAllocator(&allocatorInfo, &g_hAllocator) );
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// Retrieve queue (doesn't need to be destroyed)
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