1 /* 2 * Copyright 2023 Google LLC 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 GLWindowContext_DEFINED 8 #define GLWindowContext_DEFINED 9 10 11 #include "include/gpu/ganesh/gl/GrGLInterface.h" 12 13 #include "include/core/SkRefCnt.h" 14 #include "include/core/SkSurface.h" 15 16 #include "tools/window/WindowContext.h" 17 18 namespace skwindow::internal { 19 20 class GLWindowContext : public WindowContext { 21 public: 22 sk_sp<SkSurface> getBackbufferSurface() override; 23 isValid()24 bool isValid() override { return SkToBool(fBackendContext.get()); } 25 26 void resize(int w, int h) override; 27 28 void setDisplayParams(std::unique_ptr<const DisplayParams> params) override; 29 30 protected: 31 GLWindowContext(std::unique_ptr<const DisplayParams>); 32 // This should be called by subclass constructor. It is also called when window/display 33 // parameters change. This will in turn call onInitializeContext(). 34 void initializeContext(); 35 virtual sk_sp<const GrGLInterface> onInitializeContext() = 0; 36 37 // This should be called by subclass destructor. It is also called when window/display 38 // parameters change prior to initializing a new GL context. This will in turn call 39 // onDestroyContext(). 40 void destroyContext(); 41 virtual void onDestroyContext() = 0; 42 43 sk_sp<const GrGLInterface> fBackendContext; 44 sk_sp<SkSurface> fSurface; 45 }; 46 47 } // namespace skwindow::internal 48 49 #endif 50