| /* |
| * 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 "GrAppliedClip.h" |
| #include "GrAuditTrail.h" |
| #include "GrCaps.h" |
| #include "GrRenderTargetContext.h" |
| #include "GrGpu.h" |
| #include "GrGpuCommandBuffer.h" |
| #include "GrPath.h" |
| #include "GrPipeline.h" |
| #include "GrMemoryPool.h" |
| #include "GrPipelineBuilder.h" |
| #include "GrRenderTarget.h" |
| #include "GrResourceProvider.h" |
| #include "GrRenderTargetPriv.h" |
| #include "GrStencilAttachment.h" |
| #include "GrSurfacePriv.h" |
| #include "GrTexture.h" |
| #include "gl/GrGLRenderTarget.h" |
| |
| #include "SkStrokeRec.h" |
| |
| #include "ops/GrClearOp.h" |
| #include "ops/GrClearStencilClipOp.h" |
| #include "ops/GrCopySurfaceOp.h" |
| #include "ops/GrDiscardOp.h" |
| #include "ops/GrDrawOp.h" |
| #include "ops/GrDrawPathOp.h" |
| #include "ops/GrRectOpFactory.h" |
| #include "ops/GrStencilPathOp.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) { |
| // TODO: Stop extracting the context (currently needed by GrClip) |
| fContext = fGpu->getContext(); |
| |
| fClipOpToBounds = options.fClipDrawOpsToBounds; |
| 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& clippedBounds = fRecordedOps[i].fClippedBounds; |
| SkDebugf("ClippedBounds: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n", |
| clippedBounds.fLeft, clippedBounds.fTop, clippedBounds.fRight, |
| clippedBounds.fBottom); |
| } |
| } |
| } |
| #endif |
| |
| void GrRenderTargetOpList::setupDstTexture(GrRenderTarget* rt, |
| const GrClip& clip, |
| const SkRect& opBounds, |
| GrXferProcessor::DstTexture* dstTexture) { |
| if (this->caps()->textureBarrierSupport()) { |
| if (GrTexture* rtTex = rt->asTexture()) { |
| // The render target is a texture, so we can read from it directly in the shader. The XP |
| // will be responsible to detect this situation and request a texture barrier. |
| dstTexture->setTexture(sk_ref_sp(rtTex)); |
| dstTexture->setOffset(0, 0); |
| return; |
| } |
| } |
| |
| SkIRect copyRect = SkIRect::MakeWH(rt->width(), rt->height()); |
| |
| SkIRect clippedRect; |
| clip.getConservativeBounds(rt->width(), rt->height(), &clippedRect); |
| SkIRect drawIBounds; |
| opBounds.roundOut(&drawIBounds); |
| // Cover up for any precision issues by outsetting the op bounds a pixel in each direction. |
| drawIBounds.outset(1, 1); |
| if (!clippedRect.intersect(drawIBounds)) { |
| #ifdef SK_DEBUG |
| GrCapsDebugf(this->caps(), "Missed an early reject. " |
| "Bailing on draw from setupDstTexture.\n"); |
| #endif |
| return; |
| } |
| |
| // MSAA consideration: When there is support for reading MSAA samples in the shader we could |
| // have per-sample dst values by making the copy multisampled. |
| GrSurfaceDesc desc; |
| bool rectsMustMatch = false; |
| bool disallowSubrect = false; |
| if (!fGpu->initDescForDstCopy(rt, &desc, &rectsMustMatch, &disallowSubrect)) { |
| desc.fOrigin = kDefault_GrSurfaceOrigin; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fConfig = rt->config(); |
| } |
| |
| if (!disallowSubrect) { |
| copyRect = clippedRect; |
| } |
| |
| SkIPoint dstPoint; |
| SkIPoint dstOffset; |
| static const uint32_t kFlags = 0; |
| sk_sp<GrTexture> copy; |
| if (rectsMustMatch) { |
| SkASSERT(desc.fOrigin == rt->origin()); |
| desc.fWidth = rt->width(); |
| desc.fHeight = rt->height(); |
| dstPoint = {copyRect.fLeft, copyRect.fTop}; |
| dstOffset = {0, 0}; |
| copy.reset(fContext->resourceProvider()->createTexture(desc, SkBudgeted::kYes, kFlags)); |
| } else { |
| desc.fWidth = copyRect.width(); |
| desc.fHeight = copyRect.height(); |
| dstPoint = {0, 0}; |
| dstOffset = {copyRect.fLeft, copyRect.fTop}; |
| copy.reset(fContext->resourceProvider()->createApproxTexture(desc, kFlags)); |
| } |
| |
| if (!copy) { |
| SkDebugf("Failed to create temporary copy of destination texture.\n"); |
| return; |
| } |
| |
| fGpu->copySurface(copy.get(), rt, copyRect, dstPoint); |
| dstTexture->setTexture(std::move(copy)); |
| dstTexture->setOffset(dstOffset); |
| } |
| |
| void GrRenderTargetOpList::prepareOps(GrOpFlushState* flushState) { |
| // Semi-usually the GrOpLists are already closed at this point, but sometimes Ganesh |
| // needs to flush mid-draw. In that case, the SkGpuDevice's GrOpLists won't be closed |
| // but need to be flushed anyway. Closing such GrOpLists here will mean new |
| // GrOpLists will be created to replace them if the SkGpuDevice(s) write to them again. |
| this->makeClosed(); |
| |
| // Loop over the ops that haven't yet been prepared. |
| for (int i = 0; i < fRecordedOps.count(); ++i) { |
| if (fRecordedOps[i].fOp) { |
| fRecordedOps[i].fOp->prepare(flushState); |
| } |
| } |
| |
| 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()); |
| } |
| fRecordedOps[i].fOp->execute(flushState, fRecordedOps[i].fClippedBounds); |
| } |
| 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 != fContext->caps()->instancedSupport()) { |
| InstancedRendering* ir = this->instancedRendering(); |
| ir->resetGpuResources(InstancedRendering::ResetType::kAbandon); |
| } |
| } |
| |
| void GrRenderTargetOpList::freeGpuResources() { |
| if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) { |
| InstancedRendering* ir = this->instancedRendering(); |
| ir->resetGpuResources(InstancedRendering::ResetType::kDestroy); |
| } |
| } |
| |
| static void op_bounds(SkRect* bounds, const GrOp* op) { |
| *bounds = op->bounds(); |
| if (op->hasZeroArea()) { |
| if (op->hasAABloat()) { |
| bounds->outset(0.5f, 0.5f); |
| } else { |
| // We don't know which way the particular GPU will snap lines or points at integer |
| // coords. So we ensure that the bounds is large enough for either snap. |
| SkRect before = *bounds; |
| bounds->roundOut(bounds); |
| if (bounds->fLeft == before.fLeft) { |
| bounds->fLeft -= 1; |
| } |
| if (bounds->fTop == before.fTop) { |
| bounds->fTop -= 1; |
| } |
| if (bounds->fRight == before.fRight) { |
| bounds->fRight += 1; |
| } |
| if (bounds->fBottom == before.fBottom) { |
| bounds->fBottom += 1; |
| } |
| } |
| } |
| } |
| |
| void GrRenderTargetOpList::addDrawOp(const GrPipelineBuilder& pipelineBuilder, |
| GrRenderTargetContext* renderTargetContext, |
| const GrClip& clip, |
| std::unique_ptr<GrDrawOp> op) { |
| // Setup clip |
| SkRect bounds; |
| op_bounds(&bounds, op.get()); |
| GrAppliedClip appliedClip(bounds); |
| if (!clip.apply(fContext, renderTargetContext, pipelineBuilder.isHWAntialias(), |
| pipelineBuilder.hasUserStencilSettings(), &appliedClip)) { |
| return; |
| } |
| |
| if (pipelineBuilder.hasUserStencilSettings() || appliedClip.hasStencilClip()) { |
| if (!renderTargetContext->accessRenderTarget()) { |
| return; |
| } |
| |
| if (!fResourceProvider->attachStencilAttachment( |
| renderTargetContext->accessRenderTarget())) { |
| SkDebugf("ERROR creating stencil attachment. Draw skipped.\n"); |
| return; |
| } |
| } |
| |
| GrProcessorSet::FragmentProcessorAnalysis analysis; |
| op->analyzeProcessors(&analysis, pipelineBuilder.processors(), appliedClip, *this->caps()); |
| |
| GrPipeline::InitArgs args; |
| pipelineBuilder.getPipelineInitArgs(&args); |
| args.fAppliedClip = &appliedClip; |
| // This forces instantiation of the render target. Pipeline creation is moving to flush time |
| // by which point instantiation must have occurred anyway. |
| args.fRenderTarget = renderTargetContext->accessRenderTarget(); |
| if (!args.fRenderTarget) { |
| return; |
| } |
| args.fCaps = this->caps(); |
| args.fAnalysis = &analysis; |
| if (analysis.usesPLSDstRead() || fClipOpToBounds) { |
| GrGLIRect viewport; |
| viewport.fLeft = 0; |
| viewport.fBottom = 0; |
| viewport.fWidth = renderTargetContext->width(); |
| viewport.fHeight = renderTargetContext->height(); |
| SkIRect ibounds; |
| ibounds.fLeft = SkTPin(SkScalarFloorToInt(op->bounds().fLeft), viewport.fLeft, |
| viewport.fWidth); |
| ibounds.fTop = SkTPin(SkScalarFloorToInt(op->bounds().fTop), viewport.fBottom, |
| viewport.fHeight); |
| ibounds.fRight = SkTPin(SkScalarCeilToInt(op->bounds().fRight), viewport.fLeft, |
| viewport.fWidth); |
| ibounds.fBottom = SkTPin(SkScalarCeilToInt(op->bounds().fBottom), viewport.fBottom, |
| viewport.fHeight); |
| if (!appliedClip.addScissor(ibounds)) { |
| return; |
| } |
| } |
| |
| if (!renderTargetContext->accessRenderTarget()) { |
| return; |
| } |
| |
| if (pipelineBuilder.willXPNeedDstTexture(*this->caps(), analysis)) { |
| this->setupDstTexture(renderTargetContext->accessRenderTarget(), clip, op->bounds(), |
| &args.fDstTexture); |
| if (!args.fDstTexture.texture()) { |
| return; |
| } |
| } |
| op->initPipeline(args); |
| |
| #ifdef ENABLE_MDB |
| SkASSERT(fSurface); |
| op->pipeline()->addDependenciesTo(fSurface); |
| #endif |
| this->recordOp(std::move(op), renderTargetContext, appliedClip.clippedDrawBounds()); |
| } |
| |
| void GrRenderTargetOpList::stencilPath(GrRenderTargetContext* renderTargetContext, |
| const GrClip& clip, |
| GrAAType aaType, |
| const SkMatrix& viewMatrix, |
| const GrPath* path) { |
| bool useHWAA = GrAATypeIsHW(aaType); |
| // TODO: extract portions of checkDraw that are relevant to path stenciling. |
| SkASSERT(path); |
| SkASSERT(this->caps()->shaderCaps()->pathRenderingSupport()); |
| |
| // FIXME: Use path bounds instead of this WAR once |
| // https://bugs.chromium.org/p/skia/issues/detail?id=5640 is resolved. |
| SkRect bounds = SkRect::MakeIWH(renderTargetContext->width(), renderTargetContext->height()); |
| |
| // Setup clip |
| GrAppliedClip appliedClip(bounds); |
| if (!clip.apply(fContext, renderTargetContext, useHWAA, true, &appliedClip)) { |
| return; |
| } |
| // TODO: respect fClipOpToBounds if we ever start computing bounds here. |
| |
| // Coverage AA does not make sense when rendering to the stencil buffer. The caller should never |
| // attempt this in a situation that would require coverage AA. |
| SkASSERT(!appliedClip.clipCoverageFragmentProcessor()); |
| |
| if (!renderTargetContext->accessRenderTarget()) { |
| return; |
| } |
| GrStencilAttachment* stencilAttachment = fResourceProvider->attachStencilAttachment( |
| renderTargetContext->accessRenderTarget()); |
| if (!stencilAttachment) { |
| SkDebugf("ERROR creating stencil attachment. Draw skipped.\n"); |
| return; |
| } |
| |
| std::unique_ptr<GrOp> op = GrStencilPathOp::Make(viewMatrix, |
| useHWAA, |
| path->getFillType(), |
| appliedClip.hasStencilClip(), |
| stencilAttachment->bits(), |
| appliedClip.scissorState(), |
| renderTargetContext->accessRenderTarget(), |
| path); |
| this->recordOp(std::move(op), renderTargetContext, appliedClip.clippedDrawBounds()); |
| } |
| |
| 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; |
| } |
| |
| static void join(SkRect* out, const SkRect& a, const SkRect& b) { |
| SkASSERT(a.fLeft <= a.fRight && a.fTop <= a.fBottom); |
| SkASSERT(b.fLeft <= b.fRight && b.fTop <= b.fBottom); |
| out->fLeft = SkTMin(a.fLeft, b.fLeft); |
| out->fTop = SkTMin(a.fTop, b.fTop); |
| out->fRight = SkTMax(a.fRight, b.fRight); |
| out->fBottom = SkTMax(a.fBottom, b.fBottom); |
| } |
| |
| GrOp* GrRenderTargetOpList::recordOp(std::unique_ptr<GrOp> op, |
| GrRenderTargetContext* renderTargetContext, |
| const SkRect& clippedBounds) { |
| 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", |
| clippedBounds.fLeft, clippedBounds.fTop, clippedBounds.fRight, |
| clippedBounds.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 (candidate.fOp->combineIfPossible(op.get(), *this->caps())) { |
| 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()); |
| join(&fRecordedOps.fromBack(i).fClippedBounds, |
| fRecordedOps.fromBack(i).fClippedBounds, clippedBounds); |
| return candidate.fOp.get(); |
| } |
| // Stop going backwards if we would cause a painter's order violation. |
| const SkRect& candidateBounds = fRecordedOps.fromBack(i).fClippedBounds; |
| if (!can_reorder(candidateBounds, clippedBounds)) { |
| 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); |
| fRecordedOps.emplace_back(std::move(op), clippedBounds, renderTarget); |
| fLastFullClearOp = nullptr; |
| fLastFullClearRenderTargetID.makeInvalid(); |
| return fRecordedOps.back().fOp.get(); |
| } |
| |
| void GrRenderTargetOpList::forwardCombine() { |
| if (fMaxOpLookahead <= 0) { |
| return; |
| } |
| for (int i = 0; i < fRecordedOps.count() - 2; ++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; |
| } |
| const SkRect& opBounds = fRecordedOps[i].fClippedBounds; |
| 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 (j == i +1) { |
| // We assume op would have combined with candidate when the candidate was added |
| // via backwards combining in recordOp. |
| #ifndef SK_USE_DEVICE_CLIPPING |
| // not sure why this fires with device-clipping in gm/complexclip4.cpp |
| SkASSERT(!op->combineIfPossible(candidate.fOp.get(), *this->caps())); |
| #endif |
| } else if (op->combineIfPossible(candidate.fOp.get(), *this->caps())) { |
| 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); |
| join(&fRecordedOps[j].fClippedBounds, fRecordedOps[j].fClippedBounds, opBounds); |
| break; |
| } |
| // Stop going traversing if we would cause a painter's order violation. |
| const SkRect& candidateBounds = fRecordedOps[j].fClippedBounds; |
| if (!can_reorder(candidateBounds, opBounds)) { |
| 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); |
| } |
