Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 182eaf12f1213e635e8ca5fe3e3c2a0d1221c0ee
https://github.com/WebKit/WebKit/commit/182eaf12f1213e635e8ca5fe3e3c2a0d1221c0ee
Author: Mike Wyrzykowski <[email protected]>
Date: 2025-04-15 (Tue, 15 Apr 2025)
Changed paths:
A LayoutTests/fast/webgpu/nocrash/fuzz-291400-expected.txt
A LayoutTests/fast/webgpu/nocrash/fuzz-291400.html
M Source/WebGPU/WebGPU/RenderPassEncoder.h
M Source/WebGPU/WebGPU/RenderPassEncoder.mm
Log Message:
-----------
[WebGPU] Shader validation workaround for memory barriers requires events
https://bugs.webkit.org/show_bug.cgi?id=291400
rdar://148965380
Reviewed by Tadeu Zagallo.
Using fences was insufficient, at least on iOS, which now encounters
the pass splitting after https://bugs.webkit.org/show_bug.cgi?id=290739
when shader validation is enabled.
MTLEvent appears to provide the correct synchronization.
* LayoutTests/fast/webgpu/nocrash/fuzz-291400-expected.txt: Added.
* LayoutTests/fast/webgpu/nocrash/fuzz-291400.html: Added.
Add regression test.
* Source/WebGPU/WebGPU/RenderPassEncoder.h:
* Source/WebGPU/WebGPU/RenderPassEncoder.mm:
(WebGPU::RenderPassEncoder::splitRenderPass):
Use MTLEvent instead of MTLFence.
Canonical link: https://commits.webkit.org/293711@main
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