GLES: Fix a bug in the impl of CopyBufferToTexture() with compressed formats

In OpenGL ES glPixelStorei() doesn't affect the execution of
glCompressedTexSubImage*D(), and GL_UNPACK_COMPRESSED_BLOCK_* is not
defined in OpenGL ES, so on the OpenGL ES backends, to implement
CopyBufferToTexture() with compressed texture formats, we can only copy
the compressed texture data once per compressed block row.

With this patch CompressedTextureBCFormatTest/* can pass on Intel Mesa
OpenGL ES driver.

BUG=dawn:42, dawn:580
TEST=dawn_end2end_tests

Change-Id: Ied84a187beaf9105d3664c4e874b3b7ddda4e4b0
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/36020
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Jiawei Shao <jiawei.shao@intel.com>
1 file changed
tree: e46b634dee11f5365d5b7ac12daa88d92c1648dc
  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. LICENSE
  23. OWNERS
  24. PRESUBMIT.py
  25. README.chromium
  26. 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.