| /* |
| * Copyright 2021 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef GraphiteMetalWindowContext_DEFINED |
| #define GraphiteMetalWindowContext_DEFINED |
| |
| #include "include/core/SkRefCnt.h" |
| #include "include/ports/SkCFObject.h" |
| |
| #include "tools/window/WindowContext.h" |
| |
| #import <Metal/Metal.h> |
| #import <QuartzCore/CAMetalLayer.h> |
| |
| class SkSurface; |
| |
| namespace skwindow::internal { |
| |
| class GraphiteMetalWindowContext : public WindowContext { |
| public: |
| sk_sp<SkSurface> getBackbufferSurface() override; |
| |
| bool isValid() override { return fValid; } |
| |
| void setDisplayParams(const DisplayParams& params) override; |
| |
| void activate(bool isActive) override; |
| |
| protected: |
| GraphiteMetalWindowContext(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; |
| |
| void onSwapBuffers() override; |
| |
| bool fValid; |
| sk_cfp<id<MTLDevice>> fDevice; |
| sk_cfp<id<MTLCommandQueue>> fQueue; |
| CAMetalLayer* fMetalLayer; |
| CFTypeRef fDrawableHandle; |
| }; |
| |
| } // namespace skwindow::internal |
| |
| #endif |