CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Dawn Autoroller 18f63b4e16 Metal: Handle failure to allocate an MTLCommandBuffer
This requires restructuring the logic around MTLCommandBuffer allocation
so that GetPendingCommandContext is guaranteed to never fail. Logic in
the Metal backend is now similar to the Vulkan backend: the
MTLCommandBuffer is prepared at device initialization time, or after a
submission, such that it is always valid.

A new mUsed boolean is added to CommandRecordingContext to say whether
any commands have been recording. Previously mCommandBuffer was used for
that purpose, but it is now always non-null.

Bug: dawn:801

Change-Id: I5dc6747d1e6d538054010cc50533a03a49af921a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/58720
Auto-Submit: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Stephen White <senorblanco@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>
2021-07-21 15:41:29 +00:00
.vscode .vscode: Fix quotations in windows 'gn gen' task 2021-07-21 14:07:49 +00:00
build_overrides dawn_native: Add a force_wgsl_step toggle. 2021-06-28 10:23:08 +00:00
docs docs/contributing.md: Explain how to start a review. 2021-06-01 16:08:22 +00:00
examples Remove all use of deprecated tint APIs and WGSL syntax 2021-06-30 11:33:04 +00:00
generator Fix -Wunreachable-code-aggressive. 2021-06-30 11:17:16 +00:00
infra/config Force Python 3 in presubmit 2021-07-20 17:57:20 +00:00
scripts Disable OpenGLES in uwp compilation. 2021-05-31 08:46:21 +00:00
src Metal: Handle failure to allocate an MTLCommandBuffer 2021-07-21 15:41:29 +00:00
third_party Remove the dependency on shaderc and glslang. 2021-03-24 16:02:13 +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 Remove the dependency on shaderc and glslang. 2021-03-24 16:02:13 +00:00
.gn Use .gn to set overrides for VulkanMemoryAllocator 2021-04-06 16:54:19 +00:00
AUTHORS Rename NXT -> Dawn in the comments 2018-07-18 22:54:06 +02:00
BUILD.gn GN: add a default build target 2021-02-02 17:03:30 +00:00
CMakeLists.txt CMake: update backend selection 2021-06-30 15:06:43 +00:00
DEPS Roll Tint from 36b49e8834 to f3fffdaded (1 revision) 2021-07-21 11:14:49 +00:00
DIR_METADATA Move metadata in OWNERS files to DIR_METADATA files 2021-02-04 01:26:43 +00:00
LICENSE Initial commit of all the NXT integration. 2017-04-20 14:38:20 -04:00
OWNERS Move metadata in OWNERS files to DIR_METADATA files 2021-02-04 01:26:43 +00:00
PRESUBMIT.py Force Python 3 in presubmit 2021-07-20 17:57:20 +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 Add docs/contributing.md 2021-04-21 18:05:01 +00:00
codereview.settings codereview.setings: default to not squashing on git cl upload 2021-03-10 18:35:58 +00:00
dawn.json Deprecated StoreOp::Clear in favor of Discard 2021-06-28 18:38:24 +00:00
dawn_wire.json MapAsync update: keep read/write handle through lifetime of mappable buffers 2021-07-08 22:48:57 +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.