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CMake-only fork of https://dawn.googlesource.com/dawn with cleaned, vendored dependencies
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Hao Li e0a588752c Fix timestamp writing and resolving from different encoders 
Currently the queries availability info is only stored on the encoders
where they are written, and we need the info in the compute shader. If
resolving them from a different encoder, 0s are returned because the
queries are not written on resolving encoder.

Besides the encoders, we also need to add availability info to query
set, and use it in compute shader instead.

When resolving query set without any written, we need to reset queries
before resolveQuerySet based on the query set availability on Vulkan.

Added more end2end tests for these cases.


Bug: dawn:645
Change-Id: I09bf1230934aa885587fa4f671925940c1795cd9
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/39740
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Hao Li <hao.x.li@intel.com>
 		2021-02-10 14:01:36 +00:00
build_overrides Remove obsolete build flag. 2021-01-11 18:27:52 +00:00
docs Vulkan: use VK_EXT_debug_utils instead of deprecated extensions. 2021-01-20 19:19:08 +00:00
examples Remove deprecated Wire APIs 2021-02-05 23:36:30 +00:00
generator Add ability to generate typedefs from dawn.json 2021-02-08 19:48:06 +00:00
infra/config Reland "Add MSVC Dbg/Rel x64 to the CQ." 2021-01-29 13:16:16 +00:00
scripts Add ANGLE to Dawn build. 2021-01-11 15:52:12 +00:00
src Fix timestamp writing and resolving from different encoders 2021-02-10 14:01:36 +00:00
third_party Fix libEGL.so.1 issue with ANGLE build. 2021-01-29 21:44:45 +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 Add new third-party dependencies to .gitignore 2021-01-12 09:23:37 +00:00
.gn Add ANGLE to Dawn build. 2021-01-11 15:52:12 +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 Fix typo: vulkan_deps vs. vulkan-deps 2021-01-07 10:35:02 +00:00
CONTRIBUTING.md docs: write an overview of Dawn and split README.md 2019-12-05 11:01:41 +00:00
DEPS Roll Tint from 4a7981e300 to 7b7d69854d (19 revisions) 2021-02-09 18:58:40 +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 Use canned CheckPatchFormatted instead of our own linting 2020-07-15 20:47:57 +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 docs: Mention to add `use_system_xcode=true` 2020-12-02 15:59:49 +00:00
codereview.settings Initial CQ configuration 2018-08-23 08:33:35 -04:00
dawn.json Add ability to generate typedefs from dawn.json 2021-02-08 19:48:06 +00:00
dawn_wire.json Device: Deprecated GetDefaultQueue in favor of ::GetQueue() 2021-02-04 15:33:42 +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.