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68 lines
1.6 KiB
68 lines
1.6 KiB
/*
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* Copyright 2016 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 WindowContext_DEFINED
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#define WindowContext_DEFINED
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#include "DisplayParams.h"
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#include "GrContext.h"
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#include "GrTypes.h"
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#include "SkRefCnt.h"
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#include "SkSurfaceProps.h"
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class SkSurface;
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class GrRenderTarget;
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namespace sk_app {
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class WindowContext {
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public:
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WindowContext(const DisplayParams& params)
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: fContext(nullptr)
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, fDisplayParams(params)
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, fSampleCount(1)
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, fStencilBits(0) {}
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virtual ~WindowContext() {}
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virtual sk_sp<SkSurface> getBackbufferSurface() = 0;
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virtual void swapBuffers() = 0;
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virtual bool isValid() = 0;
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virtual void resize(int w, int h) = 0;
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const DisplayParams& getDisplayParams() { return fDisplayParams; }
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virtual void setDisplayParams(const DisplayParams& params) = 0;
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GrContext* getGrContext() const { return fContext.get(); }
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int width() const { return fWidth; }
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int height() const { return fHeight; }
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int sampleCount() const { return fSampleCount; }
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int stencilBits() const { return fStencilBits; }
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protected:
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virtual bool isGpuContext() { return true; }
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sk_sp<GrContext> fContext;
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int fWidth;
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int fHeight;
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DisplayParams fDisplayParams;
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// parameters obtained from the native window
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// Note that the platform .cpp file is responsible for
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// initializing fSampleCount and fStencilBits!
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int fSampleCount;
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int fStencilBits;
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};
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} // namespace sk_app
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#endif
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