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CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Jiawei Shao 1809ff7423 Vulkan: Remove RenderPassDescriptorVk 
This patch removes RenderPassDescriptorVk completely and move the
function RecordBeginRenderPass to CommandBufferVk.cpp, which is
a part of preparation of removing RenderPassDescriptorBuilder from
Dawn.

BUG=dawn:6

Change-Id: Id666ef2f998fa65de93deb16afedb1d53d6b8bc0
Reviewed-on: https://dawn-review.googlesource.com/c/4540
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Kai Ninomiya <kainino@chromium.org>
 		2019-02-13 19:53:58 +00:00
build_overrides Tell shaderc where to find SPIRV-Cross. 2018-12-14 20:33:50 +00:00
examples Simplify BackendBinding following adapters. 2019-02-12 15:48:15 +00:00
generator Wire: Add support from optional struct/integer const* 2019-02-13 10:15:38 +00:00
infra/config [commit-queue.cfg] Remove old cq.cfg 2019-01-28 09:03:26 +00:00
scripts dawn_features.gni: add an option to complete static libraries 2019-01-12 17:26:49 +00:00
src Vulkan: Remove RenderPassDescriptorVk 2019-02-13 19:53:58 +00:00
third_party Fix the build with only the OpenGL and Null backends enabled 2018-12-14 08:28:55 +00:00
.clang-format Add .clang-format 2017-11-28 16:18:39 -05:00
.gitignore Add wire_cmd.py and dawn_wire.json to autogenerate all wire commands. 2019-01-15 20:49:53 +00:00
.gn PRESUBMIT.py: Add formatting checks. 2018-09-11 08:06:36 -04:00
AUTHORS Rename NXT -> Dawn in the comments 2018-07-18 22:54:06 +02:00
BUILD.gn Vulkan: Remove RenderPassDescriptorVk 2019-02-13 19:53:58 +00:00
CONTRIBUTING.md Remove references to Github in README and CONTRIBUTING 2018-10-08 13:51:18 +00:00
DEPS Convert spirv-cross fuzzers to use shaderc. 2019-01-30 16:12:28 +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
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README.md README.md: Add a link to the mailing list. 2018-12-12 16:14:53 +00:00
codereview.settings Initial CQ configuration 2018-08-23 08:33:35 -04:00
dawn.json Wire: Add support from optional struct/integer const* 2019-02-13 10:15:38 +00:00
dawn_wire.json Factor wire server handlers into proper command handlers and doers 2019-02-11 19:39:46 +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.

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.