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Documentation of enum VmaMemoryUsage: Added DirectX 12 equivalents.

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Adam Sawicki 2018-02-13 11:49:59 +01:00
parent 20e500e3d0
commit 1299c9ad79
1 changed files with 3 additions and 0 deletions
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src/vk_mem_alloc.h
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@ -953,6 +953,7 @@ typedef enum VmaMemoryUsage
/** Memory will be used on device only, so fast access from the device is preferred.
It usually means device-local GPU (video) memory.
No need to be mappable on host.
It is roughly equivalent of D3D12_HEAP_TYPE_DEFAULT.
Usage:
@ -971,6 +972,7 @@ typedef enum VmaMemoryUsage
Resources created in this pool are still accessible to the device, but access to them can be slower.
Guarantees to be `HOST_VISIBLE` and `HOST_COHERENT`.
CPU read may be uncached.
It is roughly equivalent of D3D12_HEAP_TYPE_UPLOAD.
Usage: Staging copy of resources used as transfer source.
*/
@ -983,6 +985,7 @@ typedef enum VmaMemoryUsage
*/
VMA_MEMORY_USAGE_CPU_TO_GPU = 3,
/** Memory mappable on host (guarantees to be `HOST_VISIBLE`) and cached.
It is roughly equivalent of D3D12_HEAP_TYPE_READBACK.
Usage: