1 /* 2 * Copyright 2018 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 8 #ifndef GrMtlBuffer_DEFINED 9 #define GrMtlBuffer_DEFINED 10 11 #include "GrBuffer.h" 12 13 #import <metal/metal.h> 14 15 class GrMtlCaps; 16 class GrMtlGpu; 17 18 class GrMtlBuffer: public GrBuffer { 19 public: 20 static sk_sp<GrMtlBuffer> Make(GrMtlGpu*, size_t size, GrBufferType intendedType, 21 GrAccessPattern, const void* data = nullptr); 22 23 ~GrMtlBuffer() override; 24 mtlBuffer()25 id<MTLBuffer> mtlBuffer() const { return fMtlBuffer; } 26 27 protected: 28 GrMtlBuffer(GrMtlGpu*, size_t size, GrBufferType intendedType, GrAccessPattern); 29 30 void onAbandon() override; 31 void onRelease() override; 32 33 private: 34 GrMtlGpu* mtlGpu() const; 35 36 void onMap() override; 37 void onUnmap() override; 38 bool onUpdateData(const void* src, size_t srcSizeInBytes) override; 39 40 void internalMap(size_t sizeInBytes); 41 void internalUnmap(size_t sizeInBytes); 42 43 #ifdef SK_DEBUG 44 void validate() const; 45 #endif 46 47 GrBufferType fIntendedType; 48 bool fIsDynamic; 49 id<MTLBuffer> fMtlBuffer; 50 id<MTLBuffer> fMappedBuffer; 51 52 typedef GrBuffer INHERITED; 53 }; 54 55 #endif 56