1 /* 2 * Copyright 2019 Google LLC 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 GrTransferFromRenderTask_DEFINED 9 #define GrTransferFromRenderTask_DEFINED 10 11 #include "src/gpu/GrRenderTask.h" 12 13 class GrTransferFromRenderTask final : public GrRenderTask { 14 public: GrTransferFromRenderTask(sk_sp<GrSurfaceProxy> srcProxy,const SkIRect & srcRect,GrColorType surfaceColorType,GrColorType dstColorType,sk_sp<GrGpuBuffer> dstBuffer,size_t dstOffset)15 GrTransferFromRenderTask(sk_sp<GrSurfaceProxy> srcProxy, 16 const SkIRect& srcRect, 17 GrColorType surfaceColorType, 18 GrColorType dstColorType, 19 sk_sp<GrGpuBuffer> dstBuffer, 20 size_t dstOffset) 21 : GrRenderTask() 22 , fSrcProxy(std::move(srcProxy)) 23 , fSrcRect(srcRect) 24 , fSurfaceColorType(surfaceColorType) 25 , fDstColorType(dstColorType) 26 , fDstBuffer(std::move(dstBuffer)) 27 , fDstOffset(dstOffset) {} 28 29 private: onIsUsed(GrSurfaceProxy * proxy)30 bool onIsUsed(GrSurfaceProxy* proxy) const override { 31 SkASSERT(!fTargetView.proxy()); 32 return proxy == fSrcProxy.get(); 33 } 34 // If fSrcProxy is uninstantiated at flush time we simply will skip doing the transfer. handleInternalAllocationFailure()35 void handleInternalAllocationFailure() override {} 36 void gatherProxyIntervals(GrResourceAllocator*) const override; 37 onMakeClosed(const GrCaps &,SkIRect *)38 ExpectedOutcome onMakeClosed(const GrCaps&, SkIRect*) override { 39 return ExpectedOutcome::kTargetUnchanged; 40 } 41 42 bool onExecute(GrOpFlushState*) override; 43 44 #ifdef SK_DEBUG visitProxies_debugOnly(const GrOp::VisitProxyFunc & fn)45 void visitProxies_debugOnly(const GrOp::VisitProxyFunc& fn) const override { 46 fn(fSrcProxy.get(), GrMipMapped::kNo); 47 } 48 #endif 49 50 sk_sp<GrSurfaceProxy> fSrcProxy; 51 SkIRect fSrcRect; 52 GrColorType fSurfaceColorType; 53 GrColorType fDstColorType; 54 sk_sp<GrGpuBuffer> fDstBuffer; 55 size_t fDstOffset; 56 57 }; 58 59 #endif 60 61