1 /* 2 * Copyright 2015 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 GrVkTransferBuffer_DEFINED 9 #define GrVkTransferBuffer_DEFINED 10 11 #include "include/gpu/vk/GrVkTypes.h" 12 #include "src/gpu/GrGpuBuffer.h" 13 #include "src/gpu/vk/GrVkBuffer.h" 14 15 class GrVkGpu; 16 17 class GrVkTransferBuffer : public GrGpuBuffer, public GrVkBuffer { 18 public: 19 static sk_sp<GrVkTransferBuffer> Make(GrVkGpu* gpu, size_t size, GrVkBuffer::Type type); 20 21 protected: 22 void onAbandon() override; 23 void onRelease() override; 24 25 private: 26 GrVkTransferBuffer(GrVkGpu* gpu, const GrVkBuffer::Desc& desc, 27 const GrVkBuffer::Resource* resource); 28 void setMemoryBacking(SkTraceMemoryDump* traceMemoryDump, 29 const SkString& dumpName) const override; 30 onMap()31 void onMap() override { 32 this->GrGpuBuffer::fMapPtr = this->vkMap(this->getVkGpu()); 33 if (this->GrGpuBuffer::fMapPtr && 34 this->intendedType() == GrGpuBufferType::kXferGpuToCpu) { 35 const GrVkAlloc& alloc = this->alloc(); 36 GrVkMemory::InvalidateMappedAlloc(this->getVkGpu(), alloc, 0, alloc.fSize); 37 } 38 } 39 onUnmap()40 void onUnmap() override { this->vkUnmap(this->getVkGpu()); } 41 onUpdateData(const void * src,size_t srcSizeInBytes)42 bool onUpdateData(const void* src, size_t srcSizeInBytes) override { 43 SK_ABORT("Not implemented for transfer buffers."); 44 } 45 getVkGpu()46 GrVkGpu* getVkGpu() const { 47 SkASSERT(!this->wasDestroyed()); 48 return reinterpret_cast<GrVkGpu*>(this->getGpu()); 49 } 50 51 typedef GrGpuBuffer INHERITED; 52 }; 53 54 #endif 55