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This CL adds the start of the implementation of a SubresourceStorage<T> container class that stores per-subresource state in a compressed fashion. Only the getter methods and Update() modifying methods are added because they are the first step necessary to test the behavior of SubresourceStorage. Subsequent CLs will: - add the Merge() operation - move the per-aspect storage to be inlined and avoid allocation of mData and mLayerCompressed if possible - use the container where applicable in dawn_native - (maybe) move clear-state tracking in the backends as part of barrier tracking Bug: dawn:441 Change-Id: Ic93e5af16dd705b260424f05e4dc3e0c9f6fbd0a Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/34464 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Ben Clayton <bclayton@google.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:
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.