AuroraMiddleware/VulkanMemoryAllocator
1
0
Fork 0
mirror of https://github.com/GPUOpen-LibrariesAndSDKs/VulkanMemoryAllocator synced 2024-11-05 12:20:07 +00:00
Code Issues Projects Releases Wiki Activity

VmaAllocator_T::CalcPreferredBlockSize: Minor improvement - treating HOST_CACHED memory type as small heap.

Browse Source
This commit is contained in:
Adam Sawicki 2018-01-19 16:09:04 +01:00
parent a0b2b80d2d
commit 95f07262a8
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/vk_mem_alloc.h
View File

@ -6862,8 +6862,10 @@ VkDeviceSize VmaAllocator_T::CalcPreferredBlockSize(uint32_t memTypeIndex)
{
const uint32_t heapIndex = MemoryTypeIndexToHeapIndex(memTypeIndex);
const VkDeviceSize heapSize = m_MemProps.memoryHeaps[heapIndex].size;
return (heapSize <= VMA_SMALL_HEAP_MAX_SIZE) ?
m_PreferredSmallHeapBlockSize : m_PreferredLargeHeapBlockSize;
const bool isSmallHeap = heapSize <= VMA_SMALL_HEAP_MAX_SIZE ||
// HOST_CACHED memory type is treated as small despite it has full size of CPU memory heap, because we usually don't use much of it.
(m_MemProps.memoryTypes[memTypeIndex].propertyFlags & VK_MEMORY_PROPERTY_HOST_CACHED_BIT) != 0;
return isSmallHeap ? m_PreferredSmallHeapBlockSize : m_PreferredLargeHeapBlockSize;
}
VkResult VmaAllocator_T::AllocateMemoryOfType(