1 /* 2 * Copyright 2019 Google Inc. 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 MetalWindowContext_DEFINED 8 #define MetalWindowContext_DEFINED 9 10 #include "include/core/SkRefCnt.h" 11 #include "include/core/SkSurface.h" 12 #include "include/ports/SkCFObject.h" 13 #include "include/private/GrMtlTypesPriv.h" 14 15 #include "tools/sk_app/WindowContext.h" 16 17 #import <Metal/Metal.h> 18 #import <QuartzCore/CAMetalLayer.h> 19 20 namespace sk_app { 21 22 class MetalWindowContext : public WindowContext { 23 public: 24 sk_sp<SkSurface> getBackbufferSurface() override; 25 isValid()26 bool isValid() override { return fValid; } 27 28 void swapBuffers() override; 29 30 void setDisplayParams(const DisplayParams& params) override; 31 32 void activate(bool isActive) override; 33 34 protected: 35 static NSURL* CacheURL(); 36 37 MetalWindowContext(const DisplayParams&); 38 // This should be called by subclass constructor. It is also called when window/display 39 // parameters change. This will in turn call onInitializeContext(). 40 void initializeContext(); 41 virtual bool onInitializeContext() = 0; 42 43 // This should be called by subclass destructor. It is also called when window/display 44 // parameters change prior to initializing a new Metal context. This will in turn call 45 // onDestroyContext(). 46 void destroyContext(); 47 virtual void onDestroyContext() = 0; 48 49 bool fValid; 50 sk_cfp<id<MTLDevice>> fDevice; 51 sk_cfp<id<MTLCommandQueue>> fQueue; 52 CAMetalLayer* fMetalLayer; 53 GrMTLHandle fDrawableHandle; 54 #if GR_METAL_SDK_VERSION >= 230 55 // wrapping this in sk_cfp throws up an availability warning, so we'll track lifetime manually 56 id<MTLBinaryArchive> fPipelineArchive SK_API_AVAILABLE(macos(11.0), ios(14.0)); 57 #endif 58 }; 59 60 } // namespace sk_app 61 62 #endif 63