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This is the first patch to implement 3D texture copy. It starts with implementation for 3D texture copy on D3D12 backend with the simplest case: copy to the entire 3D texture. And texture's width is aligned with 256 bytes. The implementation for 3d texture copy might be inaccurate/incorrect in some functions for complicated cases. But don't panic. The previous implementation is also incorrect because many functions assumes that we are copying to/from 2D textures only. And I will incrementally fix the incorrect functions via upcoming tests for 3d texture copy. BUG: dawn:547 Change-Id: I588b09fc8d0f0398e0798573415ba3a6a3f576fc Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/45980 Reviewed-by: Austin Eng <enga@chromium.org> Commit-Queue: Yunchao He <yunchao.he@intel.com>
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.hversion that Dawn implements. - A C++ wrapper for the
webgpu.h.
- The
- 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:
- Dawn's bug tracker if you find issues with Dawn.
- Dawn's mailing list for other discussions related to Dawn.
- Dawn's source code
- Dawn's Matrix chatroom for live discussion around contributing or using Dawn.
- WebGPU's Matrix chatroom
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.