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This reverts commit c7f454c24191131eb29b8f33f0e9d5b1702fd289 and relands commit 2479860e4bb0ef5a12d269557a088bace53f0f30. > 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>
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
Documentation table of content
Developer documentation:
User documentation: (TODO, figure out what overlaps with webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.