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This commit changes wgpu::Device::CreateSwapChain to take an additional wgpu::Surface argument. Passing nullptr is enough to stay on the previous swapchain implementation, until the new one is ready. In order to support both the "old" implementation-based swapchains and the "new" surface-based swapchains. SwapChainBase is now split into three abstract classes: - SwapChainBase that has a virtual method for each of the wgpu::SwapChain methods. - OldSwapChainBase that corresponds to the implementation-based swapchains. - NewSwapChainBase that will contain the surface-based swapchain implementation and will eventually just be renamed to SwapChainBase. The interaction of the surface-based swapchains with the Surface objects aren't implemented yet, neither are the swapchain methods. Only creation works. Validation tests for surface-based swapchain creation are added in the end2end test target because they need to create OS windows. Bug: dawn:269 Change-Id: I7e07d6c666479867b9a16d7b1b8c181d5dbd69a0 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/15281 Commit-Queue: Corentin Wallez <cwallez@chromium.org> Reviewed-by: Austin Eng <enga@chromium.org>
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
Documentation table of content
Developer documentation:
User documentation: (TODO, figure out what overlaps with webgpu.h docs)
Status
(TODO)
License
Apache 2.0 Public License, please see LICENSE.
Disclaimer
This is not an officially supported Google product.