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- /*
- * Copyright 2016 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #ifndef GLWindowContext_DEFINED
- #define GLWindowContext_DEFINED
- #include "include/gpu/gl/GrGLInterface.h"
- #include "include/core/SkRefCnt.h"
- #include "include/core/SkSurface.h"
- #include "tools/sk_app/WindowContext.h"
- class GrContext;
- namespace sk_app {
- class GLWindowContext : public WindowContext {
- public:
- sk_sp<SkSurface> getBackbufferSurface() override;
- bool isValid() override { return SkToBool(fBackendContext.get()); }
- void resize(int w, int h) override;
- void swapBuffers() override;
- void setDisplayParams(const DisplayParams& params) override;
- protected:
- GLWindowContext(const DisplayParams&);
- // This should be called by subclass constructor. It is also called when window/display
- // parameters change. This will in turn call onInitializeContext().
- void initializeContext();
- virtual sk_sp<const GrGLInterface> onInitializeContext() = 0;
- // This should be called by subclass destructor. It is also called when window/display
- // parameters change prior to initializing a new GL context. This will in turn call
- // onDestroyContext().
- void destroyContext();
- virtual void onDestroyContext() = 0;
- virtual void onSwapBuffers() = 0;
- sk_sp<const GrGLInterface> fBackendContext;
- sk_sp<SkSurface> fSurface;
- };
- } // namespace sk_app
- #endif
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