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 
gatherProxyIntervals(GrResourceAllocator * alloc) const14 void GrTransferFromRenderTask::gatherProxyIntervals(GrResourceAllocator* alloc) const {
15     // This renderTask doesn't have "normal" ops. In this case we still need to add an interval (so
16     // fEndOfOpsTaskOpIndices will remain in sync), so we create a fake op# to capture the fact that
17     // we read fSrcProxy.
18     alloc->addInterval(fSrcProxy.get(), alloc->curOp(), alloc->curOp(),
19                        GrResourceAllocator::ActualUse::kYes);
20     alloc->incOps();
21 }
22 
onExecute(GrOpFlushState * flushState)23 bool GrTransferFromRenderTask::onExecute(GrOpFlushState* flushState) {
24     if (!fSrcProxy->isInstantiated()) {
25         return false;
26     }
27     return flushState->gpu()->transferPixelsFrom(
28             fSrcProxy->peekSurface(), fSrcRect.fLeft, fSrcRect.fTop, fSrcRect.width(),
29             fSrcRect.height(), fSurfaceColorType, fDstColorType, fDstBuffer.get(), fDstOffset);
30 }
31