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dawn / dawn.git / e0a588752c827daef74960bbc80d7f5c4f73c4dd
commite0a588752c827daef74960bbc80d7f5c4f73c4dd[log] [tgz]
authorHao Li <hao.x.li@intel.com>Wed Feb 10 14:01:36 2021 +0000
committerCommit Bot service account <commit-bot@chromium.org>Wed Feb 10 14:01:36 2021 +0000
treef8e1068b665d7a623aa12780ebf7b593f2c071dd
parent02fd17c75403a399672c65aa98e577c7c2ae9010 [diff]
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>
5 files changed
tree: f8e1068b665d7a623aa12780ebf7b593f2c071dd
  1. build_overrides/
  2. docs/
  3. examples/
  4. generator/
  5. infra/
  6. scripts/
  7. src/
  8. third_party/
  9. tools/
  10. .clang-format
  11. .gitattributes
  12. .gitignore
  13. .gn
  14. AUTHORS
  15. BUILD.gn
  16. CMakeLists.txt
  17. codereview.settings
  18. CONTRIBUTING.md
  19. dawn.json
  20. dawn_wire.json
  21. DEPS
  22. DIR_METADATA
  23. LICENSE
  24. OWNERS
  25. PRESUBMIT.py
  26. README.chromium
  27. README.md
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.