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Reland "D3D12: Stage BindGroups on CPU descriptor heaps."

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This reverts commit c7f454c241
and relands commit 2479860e4b.

> D3D12: Stage BindGroups on CPU descriptor heaps.
>
> Instead of directly populating GPU heaps, pre-encoded
> BindGroups are staged on CPU heaps then copied over
> to the GPU. Non-shader visible allocators are stored
> on the BGL, which hands out fixed-size chunks to
> simplify memory managment. To enable memory re-use,
> CPU allocations are tied to the lifetime of BindGroup
> objects.

Reason for revert: We can reland this CL now that the CTS suppression merged.

Note: Adds validation to ensure binding size > 0.

Bug: dawn:155
Bug: dawn:375
Change-Id: I75b9773bbb7c70bcea803a7ad8b6480d21ea90f7
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/18904
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
This commit is contained in:
Bryan Bernhart
2020-04-06 22:07:42 +00:00
committed by Commit Bot service account
parent c64242d4c2
commit cb859a2037
16 changed files with 694 additions and 82 deletions
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1
src/common/Math.h
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@@ -29,6 +29,7 @@ uint32_t ScanForward(uint32_t bits);
uint32_t Log2(uint32_t value);
uint32_t Log2(uint64_t value);
bool IsPowerOfTwo(uint64_t n);
uint64_t RoundUp(uint64_t n, uint64_t m);
uint64_t NextPowerOfTwo(uint64_t n);
bool IsPtrAligned(const void* ptr, size_t alignment);