Rolling 5 dependencies

Roll third_party/SPIRV-Tools/ 5a581e738..19b256616 (14 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+log/5a581e738c17..19b256616d96

$ git log 5a581e738..19b256616 --date=short --no-merges --format='%ad %ae %s'
2019-09-04 zoddicus For WebGPU<->Vulkan optimization, set correct execution environment (#2834)
2019-09-04 40687079+rumblehhh Export SPIRV-Tools targets on installation (#2785)
2019-09-04 jmadill GN: Add Chromium GoogleTest deps. (#2832)
2019-09-03 stevenperron Upadate CHANGES
2019-09-03 greg Instrument: Be sure Float16 capability on when generating float16 null (#2831)
2019-09-03 greg Add --relax-float-ops and --convert-relaxed-to-half (#2808)
2019-09-03 jmadill GN: Make SPIRV-Tools target use public_deps. (#2828)
2019-09-03 stevenperron Fold Fmix should accept vector operands. (#2826)
2019-09-02 afdx Fix end comments in header files (#2829)
2019-08-30 bclayton AggressiveDCEPass: Set modified to true when appending to to_kill_ (#2825)
2019-08-30 stevenperron Replace SwizzleInvocationsAMD extended instruction. (#2823)
2019-08-30 stevenperron Replace SwizzleInvocationsMaskedAMD extended instruction. (#2822)
2019-08-30 cwallez Fix gn check (#2821)
2019-08-29 stevenperron Amd ext to khr (#2811)

Roll third_party/glslang/ 796df2d74..56f61ccce (3 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/796df2d74e05..56f61ccceffa

$ git log 796df2d74..56f61ccce --date=short --no-merges --format='%ad %ae %s'
2019-09-02 lryer code refine
2019-08-30 cepheus Placeholder fix for part of #1870.
2019-08-30 cepheus Non-functional: Make whitespace/braces consistent for a recent commit.

Roll third_party/shaderc/ f4786674e..3b038fa1c (3 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/f4786674e398..3b038fa1c317

$ git log f4786674e..3b038fa1c --date=short --no-merges --format='%ad %ae %s'
2019-09-04 zoddicus Pass in source not target env into spirv-opt (#799)
2019-09-04 cwallez Use agreed upon include paths for spirv-cross (#795)
2019-09-03 zoddicus Rolling 5 dependencies and updating known_failures (#796)

Roll third_party/spirv-cross/ ee7357f2a..f24654db8 (13 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Cross/+log/ee7357f2a6a1..f24654db8c6d

$ git log ee7357f2a..f24654db8 --date=short --no-merges --format='%ad %ae %s'
2019-09-04 post Add test case for interlocks in control flow.
2019-09-04 post Make sure not to propagate loads outside interlock region.
2019-09-04 post Add interlock test for split functions doing begin/end.
2019-09-04 post Deal with complex interlock cases in GLSL.
2019-09-04 post Add test shader for simple case of interlocked callstack.
2019-09-04 post Deal with call stacks when analyzing access.
2019-09-04 post Analyze complex cases for fragment interlocks.
2019-08-04 cdavis Support the SPV_EXT_fragment_shader_interlock extension.
2019-08-02 cdavis MSL: Add support for sampler Y'CbCr conversion.
2019-08-30 t.roughton Clang-format changes
2019-08-30 t.roughton Update tests to account for all non-entry-point functions being inlined
2019-08-29 t.roughton Inline all non-entry-point functions
2019-06-10 t.roughton MSL: inline all emitted functions

Roll third_party/spirv-headers/ 059a49598..38cafab37 (1 commit)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers/+log/059a49598c3c..38cafab379e5

$ git log 059a49598..38cafab37 --date=short --no-merges --format='%ad %ae %s'
2019-08-30 cepheus Minor tweak for Rev. 2 of SPIR-V 1.4.

Created with:
  roll-dep third_party/SPIRV-Tools third_party/glslang third_party/shaderc third_party/spirv-cross third_party/spirv-headers

Change-Id: Icab7f6d423709089e6793048f2578021d0688173
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/10900
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
1 file changed
tree: b8c6b102448fd33d5ebc5b0f4c4d87fa3506231b
  1. build_overrides/
  2. docs/
  3. examples/
  4. generator/
  5. infra/
  6. scripts/
  7. src/
  8. third_party/
  9. .clang-format
  10. .gitattributes
  11. .gitignore
  12. .gn
  13. AUTHORS
  14. BUILD.gn
  15. codereview.settings
  16. CONTRIBUTING.md
  17. dawn.json
  18. dawn_wire.json
  19. DEPS
  20. LICENSE
  21. OWNERS
  22. PRESUBMIT.py
  23. README.chromium
  24. README.md
README.md

Dawn, a WebGPU implementation

Dawn (formerly NXT) is an open-source and cross-platform implementation of the work-in-progress WebGPU standard. It exposes a C/C++ API that maps almost one-to-one to the WebGPU IDL and can be managed as part of a larger system such as a Web browser.

Dawn provides several WebGPU building blocks:

  • WebGPU C/C++ headers that applications and other building blocks use.
  • A “native” implementation of WebGPU using platforms' GPU APIs:
    • D3D12 on Windows 10
    • Metal on OSX (and eventually iOS)
    • Vulkan on Windows, Linux (eventually ChromeOS and Android too)
    • OpenGL as best effort where available
  • A client-server implementation of WebGPU for applications that are in a sandbox without access to native drivers

Directory structure

  • dawn.json: description of the API used to drive code generators.
  • examples: examples showing how Dawn is used.
  • generator: code generator for files produces from dawn.json
    • templates: Jinja2 templates for the generator
  • scripts: scripts to support things like continuous testing, build files, etc.
  • src:
    • common: helper code shared between core Dawn libraries and tests/samples
    • dawn_native: native implementation of WebGPU, one subfolder per backend
    • dawn_wire: client-server implementation of WebGPU
    • include: public headers for Dawn
    • tests: internal Dawn tests
      • end2end: WebGPU tests performing GPU operations
      • unittests: unittests and by extension tests not using the GPU
        • validation: WebGPU validation tests not using the GPU (frontend tests)
    • utils: helper code to use Dawn used by tests and samples
  • third_party: directory where dependencies live as well as their buildfiles.

Building Dawn

Dawn uses the Chromium build system and dependency management so you need to install depot_tools and add it to the PATH.

On Linux you need to have the pkg-config command:

# Install pkg-config on Ubuntu
sudo apt-get install pkg-config

Then get the source as follows:

# Clone the repo as "dawn"
git clone https://dawn.googlesource.com/dawn dawn && cd dawn

# Bootstrap the gclient configuration
cp scripts/standalone.gclient .gclient

# Fetch external dependencies and toolchains with gclient
gclient sync

Then generate build files using gn args out/Debug or gn args out/Release. A text editor will appear asking build options, the most common option is is_debug=true/false; otherwise gn args out/Release --list shows all the possible options.

Then use ninja -C out/Release to build dawn and for example ./out/Release/dawn_end2end_tests to run the tests.

Contributing

Please read and follow CONTRIBUTING.md. Dawn doesn‘t have a formal coding style yet, except what’s defined by our clang format style. Overall try to use the same style and convention as code around your change.

If you find issues with Dawn, please feel free to report them on the bug tracker. For other discussions, please post to Dawn's mailing list.

License

Please see LICENSE.

Disclaimer

This is not an officially supported Google product.