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Remove explicit usage transition from the API and validation

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This removes the following for both Buffer and Texture:
 - The builder's SetInitialUsage
 - The object's FreezeUsage and TransitionUsage methods
 - The CommandBuffer Transition<Object>Usage methods

All samples and tests are simplified as a result. This also obsoletes
the UsageValidationTest which is removed.

Some validation was dependent on "current usage" and hasn't been
reintroduced for implicit transitions yet:
 - Buffers can be used while mapped
 - Swapchain textures can be used after they have been presented.

Validation for these will involve collecting all the resources used by a
command buffer and will be done in a follow-up patch.
This commit is contained in:
Corentin Wallez
2018-07-09 15:15:07 +02:00
committed by Corentin Wallez
parent d2312e8138
commit d8c068fb4f
67 changed files with 143 additions and 1012 deletions
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1
src/tests/unittests/validation/RenderPassDescriptorValidationTests.cpp
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@@ -28,7 +28,6 @@ nxt::TextureView Create2DAttachment(nxt::Device& device, uint32_t width, uint32_
.SetFormat(format)
.SetMipLevels(1)
.SetAllowedUsage(nxt::TextureUsageBit::OutputAttachment)
.SetInitialUsage(nxt::TextureUsageBit::OutputAttachment)
.GetResult();
return attachment.CreateTextureViewBuilder()