| /* |
| * Copyright 2019 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef DawnWindowContext_DEFINED |
| #define DawnWindowContext_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSurface.h" |
| |
| #include "tools/sk_app/WindowContext.h" |
| #include "dawn/webgpu_cpp.h" |
| #include "dawn_native/DawnNative.h" |
| #include "dawn/dawn_wsi.h" |
| |
| namespace sk_app { |
| |
| class DawnWindowContext : public WindowContext { |
| public: |
| DawnWindowContext(const DisplayParams&, wgpu::TextureFormat swapChainFormat); |
| ~DawnWindowContext() override; |
| sk_sp<SkSurface> getBackbufferSurface() override; |
| void swapBuffers() override; |
| bool isValid() override { return SkToBool(fDevice.Get()); } |
| |
| void resize(int w, int h) override; |
| |
| void setDisplayParams(const DisplayParams& params) override; |
| |
| protected: |
| bool isGpuContext() override { return true; } |
| void initializeContext(int width, int height); |
| wgpu::Device createDevice(dawn_native::BackendType type); |
| virtual wgpu::Device onInitializeContext() = 0; |
| virtual void onDestroyContext() = 0; |
| virtual void onSwapBuffers() = 0; |
| virtual GrSurfaceOrigin getRTOrigin() const { return kTopLeft_GrSurfaceOrigin; } |
| void destroyContext(); |
| virtual DawnSwapChainImplementation createSwapChainImplementation( int width, int height, |
| const DisplayParams& params) = 0; |
| |
| sk_sp<SkSurface> fSurface; |
| DawnSwapChainImplementation fSwapChainImplementation; |
| wgpu::TextureFormat fSwapChainFormat; |
| wgpu::SwapChain fSwapChain; |
| wgpu::Device fDevice; |
| std::unique_ptr<dawn_native::Instance> fInstance; |
| }; |
| |
| } // namespace sk_app |
| |
| #endif |