| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "GrRenderTargetOpList.h" |
| #include "GrAuditTrail.h" |
| #include "GrCaps.h" |
| #include "GrGpu.h" |
| #include "GrGpuCommandBuffer.h" |
| #include "GrRenderTarget.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrResourceProvider.h" |
| #include "ops/GrClearOp.h" |
| #include "ops/GrClearStencilClipOp.h" |
| #include "ops/GrCopySurfaceOp.h" |
| #include "ops/GrDiscardOp.h" |
| #include "instanced/InstancedRendering.h" |
| |
| using gr_instanced::InstancedRendering; |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // Experimentally we have found that most combining occurs within the first 10 comparisons. |
| static const int kDefaultMaxOpLookback = 10; |
| static const int kDefaultMaxOpLookahead = 10; |
| |
| GrRenderTargetOpList::GrRenderTargetOpList(GrRenderTargetProxy* rtp, GrGpu* gpu, |
| GrResourceProvider* resourceProvider, |
| GrAuditTrail* auditTrail, const Options& options) |
| : INHERITED(rtp, auditTrail) |
| , fGpu(SkRef(gpu)) |
| , fResourceProvider(resourceProvider) |
| , fLastClipStackGenID(SK_InvalidUniqueID) |
| , fClipAllocator(fClipAllocatorStorage, sizeof(fClipAllocatorStorage), |
| sizeof(fClipAllocatorStorage)) { |
| |
| fMaxOpLookback = (options.fMaxOpCombineLookback < 0) ? kDefaultMaxOpLookback |
| : options.fMaxOpCombineLookback; |
| fMaxOpLookahead = (options.fMaxOpCombineLookahead < 0) ? kDefaultMaxOpLookahead |
| : options.fMaxOpCombineLookahead; |
| |
| if (GrCaps::InstancedSupport::kNone != this->caps()->instancedSupport()) { |
| fInstancedRendering.reset(fGpu->createInstancedRendering()); |
| } |
| } |
| |
| GrRenderTargetOpList::~GrRenderTargetOpList() { |
| fGpu->unref(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| #ifdef SK_DEBUG |
| void GrRenderTargetOpList::dump() const { |
| INHERITED::dump(); |
| |
| SkDebugf("ops (%d):\n", fRecordedOps.count()); |
| for (int i = 0; i < fRecordedOps.count(); ++i) { |
| SkDebugf("*******************************\n"); |
| if (!fRecordedOps[i].fOp) { |
| SkDebugf("%d: <combined forward>\n", i); |
| } else { |
| SkDebugf("%d: %s\n", i, fRecordedOps[i].fOp->name()); |
| SkString str = fRecordedOps[i].fOp->dumpInfo(); |
| SkDebugf("%s\n", str.c_str()); |
| const SkRect& bounds = fRecordedOps[i].fOp->bounds(); |
| SkDebugf("ClippedBounds: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n", bounds.fLeft, |
| bounds.fTop, bounds.fRight, bounds.fBottom); |
| } |
| } |
| } |
| |
| void GrRenderTargetOpList::validateTargetsSingleRenderTarget() const { |
| GrRenderTarget* rt = nullptr; |
| for (int i = 0; i < fRecordedOps.count(); ++i) { |
| if (!fRecordedOps[i].fOp) { |
| continue; // combined forward |
| } |
| |
| if (!rt) { |
| rt = fRecordedOps[i].fRenderTarget.get(); |
| } else { |
| SkASSERT(fRecordedOps[i].fRenderTarget.get() == rt); |
| } |
| } |
| } |
| #endif |
| |
| void GrRenderTargetOpList::prepareOps(GrOpFlushState* flushState) { |
| // MDB TODO: add SkASSERT(this->isClosed()); |
| |
| // Loop over the ops that haven't yet been prepared. |
| for (int i = 0; i < fRecordedOps.count(); ++i) { |
| if (fRecordedOps[i].fOp) { |
| GrOpFlushState::DrawOpArgs opArgs; |
| if (fRecordedOps[i].fRenderTarget) { |
| opArgs = { |
| fRecordedOps[i].fRenderTarget.get(), |
| fRecordedOps[i].fAppliedClip, |
| fRecordedOps[i].fDstTexture |
| }; |
| } |
| flushState->setDrawOpArgs(&opArgs); |
| fRecordedOps[i].fOp->prepare(flushState); |
| flushState->setDrawOpArgs(nullptr); |
| } |
| } |
| |
| if (fInstancedRendering) { |
| fInstancedRendering->beginFlush(flushState->resourceProvider()); |
| } |
| } |
| |
| // TODO: this is where GrOp::renderTarget is used (which is fine since it |
| // is at flush time). However, we need to store the RenderTargetProxy in the |
| // Ops and instantiate them here. |
| bool GrRenderTargetOpList::executeOps(GrOpFlushState* flushState) { |
| if (0 == fRecordedOps.count()) { |
| return false; |
| } |
| // Draw all the generated geometry. |
| SkRandom random; |
| const GrRenderTarget* currentRenderTarget = nullptr; |
| std::unique_ptr<GrGpuCommandBuffer> commandBuffer; |
| for (int i = 0; i < fRecordedOps.count(); ++i) { |
| if (!fRecordedOps[i].fOp) { |
| continue; |
| } |
| if (fRecordedOps[i].fRenderTarget.get() != currentRenderTarget) { |
| if (commandBuffer) { |
| commandBuffer->end(); |
| commandBuffer->submit(); |
| commandBuffer.reset(); |
| } |
| currentRenderTarget = fRecordedOps[i].fRenderTarget.get(); |
| if (currentRenderTarget) { |
| static const GrGpuCommandBuffer::LoadAndStoreInfo kBasicLoadStoreInfo |
| { GrGpuCommandBuffer::LoadOp::kLoad,GrGpuCommandBuffer::StoreOp::kStore, |
| GrColor_ILLEGAL }; |
| commandBuffer.reset(fGpu->createCommandBuffer(kBasicLoadStoreInfo, // Color |
| kBasicLoadStoreInfo)); // Stencil |
| } |
| flushState->setCommandBuffer(commandBuffer.get()); |
| } |
| GrOpFlushState::DrawOpArgs opArgs; |
| if (fRecordedOps[i].fRenderTarget) { |
| opArgs = { |
| fRecordedOps[i].fRenderTarget.get(), |
| fRecordedOps[i].fAppliedClip, |
| fRecordedOps[i].fDstTexture |
| }; |
| flushState->setDrawOpArgs(&opArgs); |
| } |
| fRecordedOps[i].fOp->execute(flushState); |
| flushState->setDrawOpArgs(nullptr); |
| } |
| if (commandBuffer) { |
| commandBuffer->end(); |
| commandBuffer->submit(); |
| flushState->setCommandBuffer(nullptr); |
| } |
| |
| fGpu->finishOpList(); |
| return true; |
| } |
| |
| void GrRenderTargetOpList::reset() { |
| fLastFullClearOp = nullptr; |
| fLastFullClearRenderTargetID.makeInvalid(); |
| fRecordedOps.reset(); |
| if (fInstancedRendering) { |
| fInstancedRendering->endFlush(); |
| } |
| } |
| |
| void GrRenderTargetOpList::abandonGpuResources() { |
| if (GrCaps::InstancedSupport::kNone != this->caps()->instancedSupport()) { |
| InstancedRendering* ir = this->instancedRendering(); |
| ir->resetGpuResources(InstancedRendering::ResetType::kAbandon); |
| } |
| } |
| |
| void GrRenderTargetOpList::freeGpuResources() { |
| if (GrCaps::InstancedSupport::kNone != this->caps()->instancedSupport()) { |
| InstancedRendering* ir = this->instancedRendering(); |
| ir->resetGpuResources(InstancedRendering::ResetType::kDestroy); |
| } |
| } |
| |
| void GrRenderTargetOpList::fullClear(GrRenderTargetContext* renderTargetContext, GrColor color) { |
| GrRenderTarget* renderTarget = renderTargetContext->accessRenderTarget(); |
| // Currently this just inserts or updates the last clear op. However, once in MDB this can |
| // remove all the previously recorded ops and change the load op to clear with supplied |
| // color. |
| // TODO: this needs to be updated to use GrSurfaceProxy::UniqueID |
| if (fLastFullClearRenderTargetID == renderTarget->uniqueID()) { |
| // As currently implemented, fLastFullClearOp should be the last op because we would |
| // have cleared it when another op was recorded. |
| SkASSERT(fRecordedOps.back().fOp.get() == fLastFullClearOp); |
| fLastFullClearOp->setColor(color); |
| return; |
| } |
| std::unique_ptr<GrClearOp> op(GrClearOp::Make(GrFixedClip::Disabled(), color, renderTarget)); |
| if (GrOp* clearOp = this->recordOp(std::move(op), renderTargetContext)) { |
| // This is either the clear op we just created or another one that it combined with. |
| fLastFullClearOp = static_cast<GrClearOp*>(clearOp); |
| fLastFullClearRenderTargetID = renderTarget->uniqueID(); |
| } |
| } |
| |
| void GrRenderTargetOpList::discard(GrRenderTargetContext* renderTargetContext) { |
| // Currently this just inserts a discard op. However, once in MDB this can remove all the |
| // previously recorded ops and change the load op to discard. |
| if (this->caps()->discardRenderTargetSupport()) { |
| this->recordOp(GrDiscardOp::Make(renderTargetContext->accessRenderTarget()), |
| renderTargetContext); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrRenderTargetOpList::copySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| std::unique_ptr<GrOp> op = GrCopySurfaceOp::Make(dst, src, srcRect, dstPoint); |
| if (!op) { |
| return false; |
| } |
| #ifdef ENABLE_MDB |
| this->addDependency(src); |
| #endif |
| |
| // Copy surface doesn't work through a GrGpuCommandBuffer. By passing nullptr for the context we |
| // force this to occur between command buffers and execute directly on GrGpu. This workaround |
| // goes away with MDB. |
| this->recordOp(std::move(op), nullptr); |
| return true; |
| } |
| |
| static inline bool can_reorder(const SkRect& a, const SkRect& b) { |
| return a.fRight <= b.fLeft || a.fBottom <= b.fTop || |
| b.fRight <= a.fLeft || b.fBottom <= a.fTop; |
| } |
| |
| bool GrRenderTargetOpList::combineIfPossible(const RecordedOp& a, GrOp* b, |
| const GrAppliedClip* bClip, |
| const DstTexture* bDstTexture) { |
| if (a.fAppliedClip) { |
| if (!bClip) { |
| return false; |
| } |
| if (*a.fAppliedClip != *bClip) { |
| return false; |
| } |
| } else if (bClip) { |
| return false; |
| } |
| if (bDstTexture) { |
| if (a.fDstTexture != *bDstTexture) { |
| return false; |
| } |
| } else if (a.fDstTexture.texture()) { |
| return false; |
| } |
| return a.fOp->combineIfPossible(b, *this->caps()); |
| } |
| |
| GrOp* GrRenderTargetOpList::recordOp(std::unique_ptr<GrOp> op, |
| GrRenderTargetContext* renderTargetContext, |
| GrAppliedClip* clip, |
| const DstTexture* dstTexture) { |
| GrRenderTarget* renderTarget = |
| renderTargetContext ? renderTargetContext->accessRenderTarget() |
| : nullptr; |
| |
| // A closed GrOpList should never receive new/more ops |
| SkASSERT(!this->isClosed()); |
| |
| // Check if there is an op we can combine with by linearly searching back until we either |
| // 1) check every op |
| // 2) intersect with something |
| // 3) find a 'blocker' |
| GR_AUDIT_TRAIL_ADD_OP(fAuditTrail, op.get(), renderTarget->uniqueID()); |
| GrOP_INFO("Recording (%s, B%u)\n" |
| "\tBounds LRTB (%f, %f, %f, %f)\n", |
| op->name(), |
| op->uniqueID(), |
| op->bounds().fLeft, op->bounds().fRight, |
| op->bounds().fTop, op->bounds().fBottom); |
| GrOP_INFO(SkTabString(op->dumpInfo(), 1).c_str()); |
| GrOP_INFO("\tClipped Bounds: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n", op->bounds().fLeft, |
| op->bounds().fTop, op->bounds().fRight, op->bounds().fBottom); |
| GrOP_INFO("\tOutcome:\n"); |
| int maxCandidates = SkTMin(fMaxOpLookback, fRecordedOps.count()); |
| // If we don't have a valid destination render target then we cannot reorder. |
| if (maxCandidates && renderTarget) { |
| int i = 0; |
| while (true) { |
| const RecordedOp& candidate = fRecordedOps.fromBack(i); |
| // We cannot continue to search backwards if the render target changes |
| if (candidate.fRenderTarget.get() != renderTarget) { |
| GrOP_INFO("\t\tBreaking because of (%s, B%u) Rendertarget\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| break; |
| } |
| if (this->combineIfPossible(candidate, op.get(), clip, dstTexture)) { |
| GrOP_INFO("\t\tCombining with (%s, B%u)\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| GrOP_INFO("\t\t\tCombined op info:\n"); |
| GrOP_INFO(SkTabString(candidate.fOp->dumpInfo(), 4).c_str()); |
| GR_AUDIT_TRAIL_OPS_RESULT_COMBINED(fAuditTrail, candidate.fOp.get(), op.get()); |
| return candidate.fOp.get(); |
| } |
| // Stop going backwards if we would cause a painter's order violation. |
| if (!can_reorder(fRecordedOps.fromBack(i).fOp->bounds(), op->bounds())) { |
| GrOP_INFO("\t\tIntersects with (%s, B%u)\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| break; |
| } |
| ++i; |
| if (i == maxCandidates) { |
| GrOP_INFO("\t\tReached max lookback or beginning of op array %d\n", i); |
| break; |
| } |
| } |
| } else { |
| GrOP_INFO("\t\tFirstOp\n"); |
| } |
| GR_AUDIT_TRAIL_OP_RESULT_NEW(fAuditTrail, op); |
| if (clip) { |
| clip = fClipAllocator.make<GrAppliedClip>(std::move(*clip)); |
| } |
| fRecordedOps.emplace_back(std::move(op), renderTarget, clip, dstTexture); |
| fRecordedOps.back().fOp->wasRecorded(); |
| fLastFullClearOp = nullptr; |
| fLastFullClearRenderTargetID.makeInvalid(); |
| return fRecordedOps.back().fOp.get(); |
| } |
| |
| void GrRenderTargetOpList::forwardCombine() { |
| if (fMaxOpLookahead <= 0) { |
| return; |
| } |
| for (int i = 0; i < fRecordedOps.count() - 1; ++i) { |
| GrOp* op = fRecordedOps[i].fOp.get(); |
| GrRenderTarget* renderTarget = fRecordedOps[i].fRenderTarget.get(); |
| // If we don't have a valid destination render target ID then we cannot reorder. |
| if (!renderTarget) { |
| continue; |
| } |
| int maxCandidateIdx = SkTMin(i + fMaxOpLookahead, fRecordedOps.count() - 1); |
| int j = i + 1; |
| while (true) { |
| const RecordedOp& candidate = fRecordedOps[j]; |
| // We cannot continue to search if the render target changes |
| if (candidate.fRenderTarget.get() != renderTarget) { |
| GrOP_INFO("\t\tBreaking because of (%s, B%u) Rendertarget\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| break; |
| } |
| if (this->combineIfPossible(fRecordedOps[i], candidate.fOp.get(), |
| candidate.fAppliedClip, &candidate.fDstTexture)) { |
| GrOP_INFO("\t\tCombining with (%s, B%u)\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| GR_AUDIT_TRAIL_OPS_RESULT_COMBINED(fAuditTrail, op, candidate.fOp.get()); |
| fRecordedOps[j].fOp = std::move(fRecordedOps[i].fOp); |
| break; |
| } |
| // Stop going traversing if we would cause a painter's order violation. |
| if (!can_reorder(fRecordedOps[j].fOp->bounds(), op->bounds())) { |
| GrOP_INFO("\t\tIntersects with (%s, B%u)\n", candidate.fOp->name(), |
| candidate.fOp->uniqueID()); |
| break; |
| } |
| ++j; |
| if (j > maxCandidateIdx) { |
| GrOP_INFO("\t\tReached max lookahead or end of op array %d\n", i); |
| break; |
| } |
| } |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrRenderTargetOpList::clearStencilClip(const GrFixedClip& clip, |
| bool insideStencilMask, |
| GrRenderTargetContext* renderTargetContext) { |
| this->recordOp(GrClearStencilClipOp::Make(clip, insideStencilMask, |
| renderTargetContext->accessRenderTarget()), |
| renderTargetContext); |
| } |
