1 /* 2 * Copyright 2016 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 #ifndef WindowContext_DEFINED 8 #define WindowContext_DEFINED 9 10 #include "DisplayParams.h" 11 #include "GrTypes.h" 12 #include "SkRefCnt.h" 13 #include "SkSurfaceProps.h" 14 15 class GrContext; 16 class SkSurface; 17 class GrRenderTarget; 18 19 namespace sk_app { 20 21 class WindowContext { 22 public: 23 WindowContext() : fContext(nullptr) 24 , fSurfaceProps(SkSurfaceProps::kLegacyFontHost_InitType) 25 , fSampleCount(0) 26 , fStencilBits(0) {} 27 28 virtual ~WindowContext() {} 29 30 virtual sk_sp<SkSurface> getBackbufferSurface() = 0; 31 32 virtual void swapBuffers() = 0; 33 34 virtual bool isValid() = 0; 35 36 virtual void resize(int w, int h) = 0; 37 38 const DisplayParams& getDisplayParams() { return fDisplayParams; } 39 virtual void setDisplayParams(const DisplayParams& params) = 0; 40 41 SkSurfaceProps getSurfaceProps() const { return fSurfaceProps; } 42 void setSurfaceProps(const SkSurfaceProps& props) { 43 fSurfaceProps = props; 44 } 45 46 virtual GrBackendContext getBackendContext() = 0; 47 GrContext* getGrContext() const { return fContext; } 48 49 int width() const { return fWidth; } 50 int height() const { return fHeight; } 51 int sampleCount() const { return fSampleCount; } 52 int stencilBits() const { return fStencilBits; } 53 54 protected: 55 virtual bool isGpuContext() { return true; } 56 57 GrContext* fContext; 58 59 int fWidth; 60 int fHeight; 61 DisplayParams fDisplayParams; 62 GrPixelConfig fPixelConfig; 63 SkSurfaceProps fSurfaceProps; 64 65 // parameters obtained from the native window 66 // Note that the platform .cpp file is responsible for 67 // initializing fSampleCount and fStencilBits! 68 int fSampleCount; 69 int fStencilBits; 70 }; 71 72 } // namespace sk_app 73 74 #endif 75
