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This reverts commit 96c4019214e0b2d7c0843eacf96398a6a1198d1f. Reason for revert: Breaks the roll, WebGPU CTS hits the ASSERT(totalDescriptorCount > 0) Original change's description: > Slab-allocate VkDescriptorSets > > This introduces a slab allocator for VkDescriptorSets which creates > a VkDescriptorPool pre-allocated with multiple VkDescriptorSets per > BindGroupLayout. In the future, we can deduplicate pools that have > the same, or roughly the same, descriptor counts. > > This CL also removes the old DescriptorSetService and moves most of > the functionality onto the DescriptorSetAllocator itself to keep > the tracking logic in one place. > > Bug: dawn:340 > Change-Id: I785b17f4353fb3d40c9ccc33746600d6794efe7c > Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/19320 > Reviewed-by: Austin Eng <enga@chromium.org> > Commit-Queue: Austin Eng <enga@chromium.org> TBR=cwallez@chromium.org,kainino@chromium.org,enga@chromium.org,bryan.bernhart@intel.com Change-Id: Icb58485f1080eab79b24fbcd834a89fc6206b80e No-Presubmit: true No-Tree-Checks: true No-Try: true Bug: dawn:340 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/20280 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: 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.