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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 #include "src/gpu/GrTransferFromRenderTask.h"
9 
10 #include "src/gpu/GrGpu.h"
11 #include "src/gpu/GrOpFlushState.h"
12 #include "src/gpu/GrResourceAllocator.h"
13 #include "src/gpu/GrResourceProvider.h"
14 
gatherProxyIntervals(GrResourceAllocator * alloc) const15 void GrTransferFromRenderTask::gatherProxyIntervals(GrResourceAllocator* alloc) const {
16     // This renderTask doesn't have "normal" ops. In this case we still need to add an interval (so
17     // fEndOfOpsTaskOpIndices will remain in sync), so we create a fake op# to capture the fact that
18     // we read fSrcProxy.
19     alloc->addInterval(fSrcProxy.get(), alloc->curOp(), alloc->curOp(),
20                        GrResourceAllocator::ActualUse::kYes);
21     alloc->incOps();
22 }
23 
onExecute(GrOpFlushState * flushState)24 bool GrTransferFromRenderTask::onExecute(GrOpFlushState* flushState) {
25     if (!fSrcProxy->isInstantiated()) {
26         return false;
27     }
28     return flushState->gpu()->transferPixelsFrom(fSrcProxy->peekSurface(),
29                                                  fSrcRect,
30                                                  fSurfaceColorType,
31                                                  fDstColorType,
32                                                  fDstBuffer,
33                                                  fDstOffset);
34 }
35