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CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Jiawei Shao 6329e5ad47 Add entry point of creating texture view by TextureViewDescriptor 
This patch adds the entry point creating texture view with a
TextureViewDescriptor and all the validations on the parameters
according to https://github.com/gpuweb/gpuweb/issues/79.

BUG=dawn:16
TEST=dawn_unittests

Change-Id: Ibc04a0f7b9f334c57da191606313ab156e18af1f
Reviewed-on: https://dawn-review.googlesource.com/c/1800
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
 		2018-10-12 08:32:58 +00:00
build_overrides Roll shaderc and glslang and use their BUILD.gn 2018-10-04 17:17:57 +00:00
examples Fix GLTF viewer shader with wrong binding indices. 2018-09-28 19:51:18 +00:00
generator Fix a typo in main.py 2018-09-21 06:55:25 +00:00
infra/config Revert "Add a temporary requirement for Mac bots to have XCode." 2018-09-25 22:47:37 +00:00
scripts Roll shaderc and glslang and use their BUILD.gn 2018-10-04 17:17:57 +00:00
src Add entry point of creating texture view by TextureViewDescriptor 2018-10-12 08:32:58 +00:00
third_party Roll shaderc and glslang and use their BUILD.gn 2018-10-04 17:17:57 +00:00
.appveyor.yml Rename CMakeLists targets nxt -> dawn 2018-07-18 22:54:06 +02:00
.clang-format Add .clang-format 2017-11-28 16:18:39 -05:00
.gitignore Add new dependencies to gitignore and fix gclient url. 2018-10-01 18:02:04 +00:00
.gitmodules Roll SPIRV-Cross and use upstream repo. 2018-08-24 12:28:28 -04:00
.gn PRESUBMIT.py: Add formatting checks. 2018-09-11 08:06:36 -04:00
.travis.yml Update Travis to use clang-format-8 after LLVm release 2018-08-27 05:32:07 -04:00
AUTHORS Rename NXT -> Dawn in the comments 2018-07-18 22:54:06 +02:00
BUILD.gn Add entry point of creating texture view by TextureViewDescriptor 2018-10-12 08:32:58 +00:00
CMakeLists.txt Update which backends are enabled by default 2018-08-02 13:39:07 +02:00
CONTRIBUTING.md Remove references to Github in README and CONTRIBUTING 2018-10-08 13:51:18 +00:00
DEPS Roll shaderc and glslang and use their BUILD.gn 2018-10-04 17:17:57 +00:00
LICENSE Initial commit of all the NXT integration. 2017-04-20 14:38:20 -04:00
OWNERS Add component to OWNERS and fixup repo URL in README.chromium 2018-09-25 20:53:37 +00:00
PRESUBMIT.py PRESUBMIT.py: Add formatting checks. 2018-09-11 08:06:36 -04:00
README.chromium Add component to OWNERS and fixup repo URL in README.chromium 2018-09-25 20:53:37 +00:00
README.md Remove references to Github in README and CONTRIBUTING 2018-10-08 13:51:18 +00:00
codereview.settings Initial CQ configuration 2018-08-23 08:33:35 -04:00
dawn.json Add entry point of creating texture view by TextureViewDescriptor 2018-10-12 08:32:58 +00:00

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. 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.

License

Please see LICENSE.

Disclaimer

This is not an officially supported Google product.