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0363c3e46d
Instead of counting descriptors to be allocated for the entire command buffer in a pre-pass, the bindgroup state tracker is used to allocate only dirty bindgroups upon recording draw/dispatch. If the heap has no more room and must be changed, bindgroups will be re-created according to the BGL. A future change will address the CPU descriptors and removal of the pre-pass. BUG=dawn:256,dawn:307 Change-Id: I6603de17cfda713bd4512c46e1c93618ca01bb7b Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/13400 Commit-Queue: Bryan Bernhart <bryan.bernhart@intel.com> Reviewed-by: Corentin Wallez <cwallez@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.