/* * Copyright 2019 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef MetalWindowContext_DEFINED #define MetalWindowContext_DEFINED #include "include/core/SkRefCnt.h" #include "include/core/SkSurface.h" #include "tools/sk_app/WindowContext.h" #import #import namespace sk_app { class MetalWindowContext : public WindowContext { public: sk_sp getBackbufferSurface() override; bool isValid() override { return fValid; } void swapBuffers() override; void setDisplayParams(const DisplayParams& params) override; protected: MetalWindowContext(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 bool onInitializeContext() = 0; // This should be called by subclass destructor. It is also called when window/display // parameters change prior to initializing a new Metal context. This will in turn call // onDestroyContext(). void destroyContext(); virtual void onDestroyContext() = 0; bool fValid; id fDevice; id fQueue; CAMetalLayer* fMetalLayer; id fCurrentDrawable; }; } // namespace sk_app #endif