57 lines
1.7 KiB
C
57 lines
1.7 KiB
C
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/*
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* Copyright 2019 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 DawnWindowContext_DEFINED
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#define DawnWindowContext_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkSurface.h"
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#include "tools/sk_app/WindowContext.h"
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#include "dawn/dawncpp.h"
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#include "dawn_native/DawnNative.h"
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#include "dawn/dawn_wsi.h"
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class GrContext;
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namespace sk_app {
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class DawnWindowContext : public WindowContext {
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public:
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DawnWindowContext(const DisplayParams&, dawn::TextureFormat swapChainFormat);
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~DawnWindowContext() 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 resize(int w, int h) override;
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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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dawn::Device createDevice(dawn_native::BackendType type);
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virtual dawn::Device 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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void destroyContext();
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virtual DawnSwapChainImplementation createSwapChainImplementation( int width, int height,
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const DisplayParams& params) = 0;
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sk_sp<SkSurface> fSurface;
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DawnSwapChainImplementation fSwapChainImplementation;
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dawn::TextureFormat fSwapChainFormat;
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dawn::SwapChain fSwapChain;
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dawn::Device fDevice;
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std::unique_ptr<dawn_native::Instance> fInstance;
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};
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} // namespace sk_app
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#endif
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