Brian Salomon | dbf7072 | 2019-02-07 11:31:24 -0500 | [diff] [blame] | 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 | |
| 8 | #ifndef GrCpuBuffer_DEFINED |
| 9 | #define GrCpuBuffer_DEFINED |
| 10 | |
| 11 | #include "GrBuffer.h" |
| 12 | #include "GrNonAtomicRef.h" |
| 13 | |
| 14 | class GrCpuBuffer final : public GrNonAtomicRef<GrCpuBuffer>, public GrBuffer { |
| 15 | public: |
| 16 | static sk_sp<GrCpuBuffer> Make(size_t size) { |
| 17 | SkASSERT(size > 0); |
| 18 | auto mem = ::operator new(sizeof(GrCpuBuffer) + size); |
| 19 | return sk_sp<GrCpuBuffer>(new (mem) GrCpuBuffer((char*)mem + sizeof(GrCpuBuffer), size)); |
| 20 | } |
| 21 | |
| 22 | void ref() const override { GrNonAtomicRef<GrCpuBuffer>::ref(); } |
| 23 | void unref() const override { GrNonAtomicRef<GrCpuBuffer>::unref(); } |
| 24 | size_t size() const override { return fSize; } |
| 25 | bool isCpuBuffer() const override { return true; } |
| 26 | |
| 27 | char* data() { return reinterpret_cast<char*>(fData); } |
| 28 | const char* data() const { return reinterpret_cast<const char*>(fData); } |
| 29 | |
| 30 | private: |
| 31 | GrCpuBuffer(void* data, size_t size) : fData(data), fSize(size) {} |
| 32 | void* fData; |
| 33 | size_t fSize; |
| 34 | }; |
| 35 | |
| 36 | #endif |