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/GrWaitRenderTask.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 GrWaitRenderTask::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 manipulate our target's proxy.
18     SkASSERT(0 == this->numTargets());
19     auto fakeOp = alloc->curOp();
20     alloc->addInterval(fWaitedOn.proxy(), fakeOp, fakeOp,
21                        GrResourceAllocator::ActualUse::kYes);
22     alloc->incOps();
23 }
24 
onExecute(GrOpFlushState * flushState)25 bool GrWaitRenderTask::onExecute(GrOpFlushState* flushState) {
26     for (int i = 0; i < fNumSemaphores; ++i) {
27         // If we don't have a semaphore here it means we failed to wrap it. That happens if the
28         // client didn't give us a valid semaphore to begin with. Therefore, it is fine to not wait
29         // on it.
30         if (fSemaphores[i]) {
31             flushState->gpu()->waitSemaphore(fSemaphores[i].get());
32         }
33     }
34     return true;
35 }
36