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CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Hao Li afcef3ee90 Query API: Test the accuracy of timestamp compute shader 
Because the uint64 is not supported on all GPU drivers, we use uint32
and float to simulate the multiplication of uint64, but there is
accuracy loss between the results and the expected results computed by
uint64. This test checks that the accuracy loss is less than 0.2%.

Bug: dawn:434
Change-Id: I6f5c842b6915f101441886bdfa4f9feb2827d174
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/34120
Commit-Queue: Hao Li <hao.x.li@intel.com>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
 		2020-12-22 06:55:36 +00:00
build_overrides Add Tint SPIRV->SPIRV to fuzzing code path 2020-09-30 17:50:14 +00:00
docs docs: Mention to add `use_system_xcode=true` 2020-12-02 15:59:49 +00:00
examples Port most of the samples to WGSL 2020-11-26 16:39:46 +00:00
generator Autogenerate all of the wire callback mocks 2020-12-17 17:59:37 +00:00
infra/config Dawn infra: update the primary branch to "main" 2020-10-21 15:27:32 +00:00
scripts Make dawn_use_x11 = use_x11 when building inside Chromium 2020-10-15 14:30:23 +00:00
src Query API: Test the accuracy of timestamp compute shader 2020-12-22 06:55:36 +00:00
third_party CMake: set DAWN_ENABLE_WGSL to ON by default. 2020-12-09 15:13:57 +00:00
tools/memory/asan Fix is_asan build (at least on Mac) 2020-04-06 22:27:02 +00:00
.clang-format Add .clang-format 2017-11-28 16:18:39 -05:00
.gitattributes Add .gitattributes to normalize EOL 2019-07-15 12:23:18 +00:00
.gitignore Add Tint to BUILD.gn 2020-05-07 21:15:55 +00:00
.gn Re-enable -Wunguarded-availability in Dawn standalone builds 2019-12-11 16:54:51 +00:00
AUTHORS Rename NXT -> Dawn in the comments 2018-07-18 22:54:06 +02:00
BUILD.gn Remove temporary GN proxy groups. 2020-04-14 17:36:44 +00:00
CMakeLists.txt CMake: set DAWN_ENABLE_WGSL to ON by default. 2020-12-09 15:13:57 +00:00
CONTRIBUTING.md docs: write an overview of Dawn and split README.md 2019-12-05 11:01:41 +00:00
DEPS Roll Tint from a57f842be9 to 9a644c7903 (4 revisions) 2020-12-18 14:17:32 +00:00
LICENSE Initial commit of all the NXT integration. 2017-04-20 14:38:20 -04:00
OWNERS Add enga@chromium.org as OWNER 2020-04-02 18:14:37 +00:00
PRESUBMIT.py Use canned CheckPatchFormatted instead of our own linting 2020-07-15 20:47:57 +00:00
README.chromium Add component to OWNERS and fixup repo URL in README.chromium 2018-09-25 20:53:37 +00:00
README.md docs: Mention to add `use_system_xcode=true` 2020-12-02 15:59:49 +00:00
codereview.settings Initial CQ configuration 2018-08-23 08:33:35 -04:00
dawn.json Rename STRIDE_UNDEFINED to COPY_STRIDE_UNDEFINED 2020-12-16 07:53:30 +00:00
dawn_wire.json Add the entry point of CreateReadyRenderPipeline 2020-10-21 04:37:41 +00:00

README.md

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.h version that Dawn implements.
    • A C++ wrapper for the webgpu.h.
  • 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:

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.