Rolling 4 dependencies

Roll third_party/SPIRV-Tools/ 958f7e72a..9eb1c9a4c (20 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Tools/+log/958f7e72a7a9..9eb1c9a4c450

$ git log 958f7e72a..9eb1c9a4c --date=short --no-merges --format='%ad %ae %s'
2019-10-01 stevenperron Add continue construct analysis to struct cfg analysis (#2922)
2019-09-27 stevenperron Record trailing line dbg instructions (#2926)
2019-09-27 rharrison Add removing references to debug instructions when removing them (#2923)
2019-09-27 paulthomson spirv-fuzz: allow interestingness script arguments (#2925)
2019-09-27 ehsannas Add Kokoro bots for building with Bazel. (#2914)
2019-09-27 alanbaker Refactor the InstructionPass (#2924)
2019-09-26 afdx spirv-fuzz: do not allow a dead break to target an unreachable block (#2917)
2019-09-26 afdx spirv-fuzz: preserve some analyses when permuting blocks (#2918)
2019-09-25 alanbaker Only allow previously declared forward refs in structs (#2920)
2019-09-25 stevenperron Handle id overflow in wrap-opkill (#2916)
2019-09-25 afdx spirv-fuzz: do not replace struct indices with synonyms (#2915)
2019-09-25 afdx spirv-fuzz: Fixes to preconditions for adding dead break/continue edges (#2904)
2019-09-25 afdx spirv-fuzz: do not replace a pointer argument to a function call with a synonym (#2901)
2019-09-25 afdx spirv-fuzz: do not replace boolean constant argument to OpPhi instruction (#2903)
2019-09-24 alanbaker Remove validate_datarules.cpp (#2911)
2019-09-24 stevenperron Handle extract with no indexes (#2910)
2019-09-24 ehsannas Add Bazel build configuration. (#2891)
2019-09-24 stevenperron Handle id overflow in convert local access chains (#2908)
2019-09-24 dsinclair Add OpCopyMemory test to SVA. (#2885)
2019-09-23 dsinclair Add missing GN dependency (#2899)

Roll third_party/glslang/ 973d0e538..7bc047326 (1 commit)

https://chromium.googlesource.com/external/github.com/KhronosGroup/glslang/+log/973d0e538292..7bc047326e06

$ git log 973d0e538..7bc047326 --date=short --no-merges --format='%ad %ae %s'
2019-09-18 laddoc Reflection will crash when the VS input symbol defines the same name with FS output symbol

Roll third_party/shaderc/ cb8b3fc5c..e849e6783 (4 commits)

https://chromium.googlesource.com/external/github.com/google/shaderc/+log/cb8b3fc5caf9..e849e6783d9f

$ git log cb8b3fc5c..e849e6783 --date=short --no-merges --format='%ad %ae %s'
2019-09-23 rharrison Add logging missing failures to spvc test script (#815)
2019-09-23 rharrison Add --update_known_failures to spvc test script (#813)
2019-09-23 rharrison Another round of cleaning the spvc test script (#811)
2019-09-23 rharrison Rolling 2 dependencies (#812)

Roll third_party/spirv-headers/ 601d73872..842ec9067 (4 commits)

https://chromium.googlesource.com/external/github.com/KhronosGroup/SPIRV-Headers/+log/601d738723ac..842ec9067462

$ git log 601d73872..842ec9067 --date=short --no-merges --format='%ad %ae %s'
2019-09-24 ehsannas Improve the doc on using Bazel.
2019-09-24 rex.xu Bump the SPIR-V version to 1.5
2019-09-23 ehsannas Update documentation.
2019-09-18 ehsannas Add a Bazel build file.

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

Change-Id: If888854a1b123b01cd14169d9e2ac0cf2b0eec00
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/11741
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
1 file changed
tree: 56dfa4ffb29919dfddb77ece993941f0be7b57d0
  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.