1 /* 2 * Copyright 2022 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 skgpu_MtlMemoryAllocator_DEFINED 9 #define skgpu_MtlMemoryAllocator_DEFINED 10 11 #include "include/core/SkRefCnt.h" 12 13 #ifdef __APPLE__ 14 15 #ifdef __OBJC__ 16 #import <Metal/Metal.h> 17 #endif 18 19 namespace skgpu { 20 21 // interface classes for the GPU memory allocator 22 class MtlAlloc : public SkRefCnt { 23 public: 24 ~MtlAlloc() override = default; 25 }; 26 27 #ifdef __OBJC__ 28 class MtlMemoryAllocator : public SkRefCnt { 29 public: 30 virtual id<MTLBuffer> newBufferWithLength(NSUInteger length, MTLResourceOptions options, 31 sk_sp<MtlAlloc>* allocation) = 0; 32 virtual id<MTLTexture> newTextureWithDescriptor(MTLTextureDescriptor* texDesc, 33 sk_sp<MtlAlloc>* allocation) = 0; 34 }; 35 #endif 36 37 } // namespace skgpu 38 39 #endif // __APPLE__ 40 41 #endif // skgpu_MtlMemoryAllocator_DEFINED 42