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D3D12: Empty CPU written range in Unmap calls on READBACK heaps 

In order to remove a warning in the D3D debug layer, this patch passes
an empty range CPU written range to calls of Unmap on READBACK
buffers.

Bug: dawn:419
Change-Id: Ic4dcbf31beb3a257c3d88896f4bb97e19caf0cc6
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/24301
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
This commit is contained in:
Enrico Galli 2020-07-09 20:40:53 +00:00 committed by Commit Bot service account
parent c98988de11
commit c9fc175bba
2 changed files with 3 additions and 5 deletions
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4
src/dawn_native/d3d12/AdapterD3D12.cpp
View File

@ -143,10 +143,6 @@ namespace dawn_native { namespace d3d12 {
// Temporary IDs: list of warnings that should be fixed or promoted
//
// Remove after warning have been addressed
// https://crbug.com/dawn/419
D3D12_MESSAGE_ID_UNMAP_RANGE_NOT_EMPTY,
// Remove after warning have been addressed
// https://crbug.com/dawn/421
D3D12_MESSAGE_ID_GPU_BASED_VALIDATION_INCOMPATIBLE_RESOURCE_STATE,

4
src/dawn_native/d3d12/BufferD3D12.cpp
View File

@ -265,7 +265,9 @@ namespace dawn_native { namespace d3d12 {
}
MaybeError Buffer::MapAtCreationImpl() {
DAWN_TRY(MapInternal(true, "D3D12 map at creation"));
// Setting isMapWrite to false on MapRead buffers to silence D3D12 debug layer warning.
bool isMapWrite = (GetUsage() & wgpu::BufferUsage::MapWrite) != 0;
DAWN_TRY(MapInternal(isMapWrite, "D3D12 map at creation"));
return {};
}