Timothy Liang | 49528b6 | 2018-08-02 14:18:37 -0400 | [diff] [blame] | 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 GrMtlBuffer* Create(GrMtlGpu*, size_t size, GrBufferType intendedType, GrAccessPattern, |
| 21 | const void* data = nullptr); |
| 22 | |
| 23 | ~GrMtlBuffer() override; |
| 24 | |
| 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 |