59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
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/*
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* Copyright 2019 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef MetalWindowContext_DEFINED
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#define MetalWindowContext_DEFINED
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#include "SkRefCnt.h"
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#include "SkSurface.h"
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#include "WindowContext.h"
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#import <Metal/Metal.h>
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#import <MetalKit/MetalKit.h>
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class GrContext;
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namespace sk_app {
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class MetalWindowContext : public WindowContext {
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public:
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sk_sp<SkSurface> getBackbufferSurface() override;
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bool isValid() override { return fValid; }
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void resize(int w, int h) override;
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void swapBuffers() override;
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void setDisplayParams(const DisplayParams& params) override;
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protected:
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MetalWindowContext(const DisplayParams&);
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// This should be called by subclass constructor. It is also called when window/display
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// parameters change. This will in turn call onInitializeContext().
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void initializeContext();
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virtual bool onInitializeContext() = 0;
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// This should be called by subclass destructor. It is also called when window/display
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// parameters change prior to initializing a new GL context. This will in turn call
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// onDestroyContext().
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void destroyContext();
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virtual void onDestroyContext() = 0;
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bool fValid;
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id<MTLDevice> fDevice;
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id<MTLCommandQueue> fQueue;
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dispatch_semaphore_t fInFlightSemaphore;
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MTKView* fMTKView;
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sk_sp<SkSurface> fSurface;
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};
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} // namespace sk_app
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#endif
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