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Implement GPUBufferDescriptor.mappedAtCreation.

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This CL:

 - Adds mappedAtCreation to dawn.json
 - Changes dawn_native to implement CreateBufferMapped in terms of
   mappedAtCreation.
 - Duplicates all the CreateBufferMappedTests to mappedAtCreation tests
   (both validation and end2end).
 - Implements dawn_wire's mappedAtCreation in terms of
   CreateBufferMapped. The reversal in dawn_wire will be done in a
   follow-up CL.

Bug: dawn:445

Change-Id: I70b9fa729b1402524a6b993c3f288987eb65c6c4
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/24083
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Corentin Wallez
2020-07-07 11:21:51 +00:00
committed by Commit Bot service account
parent cf77d75573
commit b2ea1915d4
20 changed files with 589 additions and 108 deletions
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3
src/dawn_native/null/DeviceNull.cpp
View File

@@ -297,8 +297,7 @@ namespace dawn_native { namespace null {
return (GetUsage() & (wgpu::BufferUsage::MapRead | wgpu::BufferUsage::MapWrite)) != 0;
}
MaybeError Buffer::MapAtCreationImpl(uint8_t** mappedPointer) {
*mappedPointer = mBackingData.get();
MaybeError Buffer::MapAtCreationImpl() {
return {};
}

2
src/dawn_native/null/DeviceNull.h
View File

@@ -204,7 +204,7 @@ namespace dawn_native { namespace null {
void DestroyImpl() override;
bool IsMapWritable() const override;
MaybeError MapAtCreationImpl(uint8_t** mappedPointer) override;
MaybeError MapAtCreationImpl() override;
void MapAsyncImplCommon(uint32_t serial, bool isWrite);
void* GetMappedPointerImpl() override;