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25fe51a2ae
In the end2end test BufferZeroInitTests.PaddingInitialized, the case use drawIndex to access OOB vertexBuffer to see whether the padding part has been set to zero. The case use 'renderPass.SetVertexBuffer(0, vertexBuffer, vertexBufferOffset)' to set the vertexBuffer. But when the vertexBufferOffset == vertexBufferSize, this SetVertexBuffer won't create any vertex buffer view on D3D12 backend. And it turns out input slot 0 has nothing. This warning has been reported by win11 full debug layer. But this behaviour is allowed by WebGPU. So this CL suppress the warning D3D12_MESSAGE_ID_COMMAND_LIST_DRAW_VERTEX_BUFFER_NOT_SET in D3D12 adapter. Bug: dawn:1255 Change-Id: I0dcf816b284cf7d7013f633186d010bae8fa6523 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/77640 Reviewed-by: Austin Eng <enga@chromium.org> Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Shaobo Yan <shaobo.yan@intel.com>
Dawn, a WebGPU implementation
Dawn is an open-source and cross-platform implementation of the work-in-progress WebGPU standard.
More precisely it implements webgpu.h that is a one-to-one mapping with the WebGPU IDL.
Dawn is meant to be integrated as part of a larger system and is the underlying implementation of WebGPU in Chromium.
Dawn provides several WebGPU building blocks:
- WebGPU C/C++ headers that applications and other building blocks use.
- The
webgpu.hversion that Dawn implements. - A C++ wrapper for the
webgpu.h.
- The
- A "native" implementation of WebGPU using platforms' GPU APIs:
- D3D12 on Windows 10
- Metal on macOS and iOS
- Vulkan on Windows, Linux, ChromeOS, Android and Fuchsia
- OpenGL as best effort where available
- A client-server implementation of WebGPU for applications that are in a sandbox without access to native drivers
Helpful links:
- Dawn's bug tracker if you find issues with Dawn.
- Dawn's mailing list for other discussions related to Dawn.
- Dawn's source code
- Dawn's Matrix chatroom for live discussion around contributing or using Dawn.
- WebGPU's Matrix chatroom
Documentation table of content
Developer documentation:
- Dawn overview
- Building Dawn
- Contributing to Dawn
- Testing Dawn
- Debugging Dawn
- Dawn's infrastructure
- Dawn errors
User documentation: (TODO, figure out what overlaps with the webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.