1 /* 2 * Copyright 2024 Google LLC 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 8 #ifndef skgpu_graphite_MtlGraphiteTypesUtils_DEFINED 9 #define skgpu_graphite_MtlGraphiteTypesUtils_DEFINED 10 11 #include "include/core/SkTypes.h" 12 13 #include "include/gpu/graphite/BackendTexture.h" 14 #include "include/gpu/graphite/TextureInfo.h" 15 #include "include/private/base/SkAPI.h" 16 17 #import <CoreFoundation/CoreFoundation.h> 18 19 namespace skgpu::graphite { 20 21 // MtlTextureInfo requires compiling with Objective-C, so this header is split to allow invoking 22 // the various backend wrapping APIs from a C++-only compilation unit. 23 class SK_API MtlTextureInfo; 24 25 namespace TextureInfos { 26 SK_API TextureInfo MakeMetal(const MtlTextureInfo&); 27 SK_API TextureInfo MakeMetal(CFTypeRef mtlTexture); 28 29 SK_API bool GetMtlTextureInfo(const TextureInfo&, MtlTextureInfo*); 30 } // namespace TextureInfos 31 32 namespace BackendTextures { 33 // The BackendTexture will not call retain or release on the passed in CFTypeRef. Thus the 34 // client must keep the CFTypeRef valid until they are no longer using the BackendTexture. 35 SK_API BackendTexture MakeMetal(SkISize dimensions, CFTypeRef mtlTexture); 36 37 SK_API CFTypeRef GetMtlTexture(const BackendTexture&); 38 } // namespace BackendTextures 39 40 namespace BackendSemaphores { 41 // TODO(b/286088355) Determine creator's responsibility for setting refcnt. 42 SK_API BackendSemaphore MakeMetal(CFTypeRef mtlEvent, uint64_t value); 43 44 SK_API CFTypeRef GetMtlEvent(const BackendSemaphore&); 45 SK_API uint64_t GetMtlValue(const BackendSemaphore&); 46 } // namespace BackendSemaphores 47 48 } // namespace skgpu::graphite 49 50 #endif // skgpu_graphite_MtlGraphiteTypesUtils_DEFINED 51