| /* |
| * Copyright 2016 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrOpList.h" |
| |
| #include "GrContext.h" |
| #include "GrSurfaceProxy.h" |
| |
| #include "SkAtomics.h" |
| |
| uint32_t GrOpList::CreateUniqueID() { |
| static int32_t gUniqueID = SK_InvalidUniqueID; |
| uint32_t id; |
| // Loop in case our global wraps around, as we never want to return a 0. |
| do { |
| id = static_cast<uint32_t>(sk_atomic_inc(&gUniqueID) + 1); |
| } while (id == SK_InvalidUniqueID); |
| return id; |
| } |
| |
| GrOpList::GrOpList(GrResourceProvider* resourceProvider, |
| GrSurfaceProxy* surfaceProxy, GrAuditTrail* auditTrail) |
| : fAuditTrail(auditTrail) |
| , fUniqueID(CreateUniqueID()) |
| , fFlags(0) { |
| fTarget.setProxy(sk_ref_sp(surfaceProxy), kWrite_GrIOType); |
| fTarget.get()->setLastOpList(this); |
| |
| // MDB TODO: remove this! We are currently moving to having all the ops that target |
| // the RT as a dest (e.g., clear, etc.) rely on the opList's 'fTarget' pointer |
| // for the IO Ref. This works well but until they are all swapped over (and none |
| // are pre-emptively instantiating proxies themselves) we need to instantiate |
| // here so that the GrSurfaces are created in an order that preserves the GrSurface |
| // re-use assumptions. |
| fTarget.get()->instantiate(resourceProvider); |
| fTarget.markPendingIO(); |
| } |
| |
| GrOpList::~GrOpList() { |
| this->reset(); |
| } |
| |
| bool GrOpList::instantiate(GrResourceProvider* resourceProvider) { |
| return SkToBool(fTarget.get()->instantiate(resourceProvider)); |
| } |
| |
| void GrOpList::reset() { |
| if (fTarget.get() && this == fTarget.get()->getLastOpList()) { |
| fTarget.get()->setLastOpList(nullptr); |
| } |
| |
| fTarget.reset(); |
| fAuditTrail = nullptr; |
| } |
| |
| // Add a GrOpList-based dependency |
| void GrOpList::addDependency(GrOpList* dependedOn) { |
| SkASSERT(!dependedOn->dependsOn(this)); // loops are bad |
| |
| if (this->dependsOn(dependedOn)) { |
| return; // don't add duplicate dependencies |
| } |
| |
| *fDependencies.push() = dependedOn; |
| } |
| |
| // Convert from a GrSurface-based dependency to a GrOpList one |
| void GrOpList::addDependency(GrSurfaceProxy* dependedOn, const GrCaps& caps) { |
| if (dependedOn->getLastOpList()) { |
| // If it is still receiving dependencies, this GrOpList shouldn't be closed |
| SkASSERT(!this->isClosed()); |
| |
| GrOpList* opList = dependedOn->getLastOpList(); |
| if (opList == this) { |
| // self-read - presumably for dst reads |
| } else { |
| this->addDependency(opList); |
| |
| // Can't make it closed in the self-read case |
| opList->makeClosed(caps); |
| } |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| void GrOpList::dump() const { |
| SkDebugf("--------------------------------------------------------------\n"); |
| SkDebugf("node: %d -> RT: %d\n", fUniqueID, fTarget.get() ? fTarget.get()->uniqueID().asUInt() |
| : -1); |
| SkDebugf("relies On (%d): ", fDependencies.count()); |
| for (int i = 0; i < fDependencies.count(); ++i) { |
| SkDebugf("%d, ", fDependencies[i]->fUniqueID); |
| } |
| SkDebugf("\n"); |
| } |
| #endif |