50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
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/*
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* Copyright 2022 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef GraphiteDawnWindowContext_DEFINED
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#define GraphiteDawnWindowContext_DEFINED
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#include "tools/sk_app/WindowContext.h"
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#include "webgpu/webgpu_cpp.h"
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#include "dawn/native/DawnNative.h"
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namespace sk_app {
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class GraphiteDawnWindowContext : public WindowContext {
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public:
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GraphiteDawnWindowContext(const DisplayParams&, wgpu::TextureFormat swapChainFormat);
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~GraphiteDawnWindowContext() override;
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sk_sp<SkSurface> getBackbufferSurface() override;
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void swapBuffers() override;
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bool isValid() override { return SkToBool(fDevice.Get()); }
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void setDisplayParams(const DisplayParams& params) override;
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protected:
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bool isGpuContext() override { return true; }
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void initializeContext(int width, int height);
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wgpu::Device createDevice(wgpu::BackendType type);
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wgpu::SwapChain createSwapChain();
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void destroyContext();
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virtual bool onInitializeContext() = 0;
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virtual void onDestroyContext() = 0;
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virtual void onSwapBuffers() = 0;
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virtual GrSurfaceOrigin getRTOrigin() const { return kTopLeft_GrSurfaceOrigin; }
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static constexpr wgpu::TextureUsage kTextureUsage = wgpu::TextureUsage::RenderAttachment;
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wgpu::TextureFormat fSwapChainFormat;
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std::unique_ptr<dawn::native::Instance> fInstance;
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wgpu::Device fDevice;
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wgpu::Queue fQueue;
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wgpu::Surface fSurface;
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wgpu::SwapChain fSwapChain;
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};
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} // namespace sk_app
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#endif
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