| /* |
| * 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 "GrDrawTarget.h" |
| |
| #include "GrAuditTrail.h" |
| #include "GrCaps.h" |
| #include "GrDrawContext.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 "batches/GrClearStencilClipBatch.h" |
| #include "batches/GrCopySurfaceBatch.h" |
| #include "batches/GrDiscardBatch.h" |
| #include "batches/GrDrawBatch.h" |
| #include "batches/GrDrawPathBatch.h" |
| #include "batches/GrRectBatchFactory.h" |
| #include "batches/GrStencilPathBatch.h" |
| |
| #include "instanced/InstancedRendering.h" |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // Experimentally we have found that most batching occurs within the first 10 comparisons. |
| static const int kDefaultMaxBatchLookback = 10; |
| static const int kDefaultMaxBatchLookahead = 10; |
| |
| GrDrawTarget::GrDrawTarget(GrRenderTarget* rt, GrGpu* gpu, GrResourceProvider* resourceProvider, |
| GrAuditTrail* auditTrail, const Options& options) |
| : fGpu(SkRef(gpu)) |
| , fResourceProvider(resourceProvider) |
| , fAuditTrail(auditTrail) |
| , fFlags(0) |
| , fRenderTarget(rt) { |
| // TODO: Stop extracting the context (currently needed by GrClip) |
| fContext = fGpu->getContext(); |
| |
| fClipBatchToBounds = options.fClipBatchToBounds; |
| fDrawBatchBounds = options.fDrawBatchBounds; |
| fMaxBatchLookback = (options.fMaxBatchLookback < 0) ? kDefaultMaxBatchLookback : |
| options.fMaxBatchLookback; |
| fMaxBatchLookahead = (options.fMaxBatchLookahead < 0) ? kDefaultMaxBatchLookahead : |
| options.fMaxBatchLookahead; |
| |
| if (GrCaps::InstancedSupport::kNone != this->caps()->instancedSupport()) { |
| fInstancedRendering.reset(fGpu->createInstancedRendering()); |
| } |
| |
| rt->setLastDrawTarget(this); |
| |
| #ifdef SK_DEBUG |
| static int debugID = 0; |
| fDebugID = debugID++; |
| #endif |
| } |
| |
| GrDrawTarget::~GrDrawTarget() { |
| if (fRenderTarget && this == fRenderTarget->getLastDrawTarget()) { |
| fRenderTarget->setLastDrawTarget(nullptr); |
| } |
| |
| fGpu->unref(); |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| // Add a GrDrawTarget-based dependency |
| void GrDrawTarget::addDependency(GrDrawTarget* 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 GrDrawTarget one |
| void GrDrawTarget::addDependency(GrSurface* dependedOn) { |
| if (dependedOn->asRenderTarget() && dependedOn->asRenderTarget()->getLastDrawTarget()) { |
| // If it is still receiving dependencies, this DT shouldn't be closed |
| SkASSERT(!this->isClosed()); |
| |
| GrDrawTarget* dt = dependedOn->asRenderTarget()->getLastDrawTarget(); |
| if (dt == this) { |
| // self-read - presumably for dst reads |
| } else { |
| this->addDependency(dt); |
| |
| // Can't make it closed in the self-read case |
| dt->makeClosed(); |
| } |
| } |
| } |
| |
| #ifdef SK_DEBUG |
| void GrDrawTarget::dump() const { |
| SkDebugf("--------------------------------------------------------------\n"); |
| SkDebugf("node: %d -> RT: %d\n", fDebugID, fRenderTarget ? fRenderTarget->getUniqueID() : -1); |
| SkDebugf("relies On (%d): ", fDependencies.count()); |
| for (int i = 0; i < fDependencies.count(); ++i) { |
| SkDebugf("%d, ", fDependencies[i]->fDebugID); |
| } |
| SkDebugf("\n"); |
| SkDebugf("batches (%d):\n", fRecordedBatches.count()); |
| for (int i = 0; i < fRecordedBatches.count(); ++i) { |
| SkDebugf("*******************************\n"); |
| if (!fRecordedBatches[i].fBatch) { |
| SkDebugf("%d: <combined forward>\n", i); |
| } else { |
| SkDebugf("%d: %s\n", i, fRecordedBatches[i].fBatch->name()); |
| SkString str = fRecordedBatches[i].fBatch->dumpInfo(); |
| SkDebugf("%s\n", str.c_str()); |
| const SkRect& clippedBounds = fRecordedBatches[i].fClippedBounds; |
| SkDebugf("ClippedBounds: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n", |
| clippedBounds.fLeft, clippedBounds.fTop, clippedBounds.fRight, |
| clippedBounds.fBottom); |
| } |
| } |
| } |
| #endif |
| |
| bool GrDrawTarget::setupDstReadIfNecessary(const GrPipelineBuilder& pipelineBuilder, |
| GrRenderTarget* rt, |
| const GrClip& clip, |
| const GrPipelineOptimizations& optimizations, |
| GrXferProcessor::DstTexture* dstTexture, |
| const SkRect& batchBounds) { |
| SkRect bounds = batchBounds; |
| bounds.outset(0.5f, 0.5f); |
| |
| if (!pipelineBuilder.willXPNeedDstTexture(*this->caps(), optimizations)) { |
| return true; |
| } |
| |
| 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(rtTex); |
| dstTexture->setOffset(0, 0); |
| return true; |
| } |
| } |
| |
| SkIRect copyRect; |
| clip.getConservativeBounds(rt->width(), rt->height(), ©Rect); |
| |
| SkIRect drawIBounds; |
| bounds.roundOut(&drawIBounds); |
| if (!copyRect.intersect(drawIBounds)) { |
| #ifdef SK_DEBUG |
| GrCapsDebugf(this->caps(), "Missed an early reject. " |
| "Bailing on draw from setupDstReadIfNecessary.\n"); |
| #endif |
| return false; |
| } |
| |
| // 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; |
| if (!fGpu->initCopySurfaceDstDesc(rt, &desc)) { |
| desc.fOrigin = kDefault_GrSurfaceOrigin; |
| desc.fFlags = kRenderTarget_GrSurfaceFlag; |
| desc.fConfig = rt->config(); |
| } |
| |
| desc.fWidth = copyRect.width(); |
| desc.fHeight = copyRect.height(); |
| |
| static const uint32_t kFlags = 0; |
| SkAutoTUnref<GrTexture> copy(fResourceProvider->createApproxTexture(desc, kFlags)); |
| |
| if (!copy) { |
| SkDebugf("Failed to create temporary copy of destination texture.\n"); |
| return false; |
| } |
| SkIPoint dstPoint = {0, 0}; |
| this->copySurface(copy, rt, copyRect, dstPoint); |
| dstTexture->setTexture(copy); |
| dstTexture->setOffset(copyRect.fLeft, copyRect.fTop); |
| return true; |
| } |
| |
| void GrDrawTarget::prepareBatches(GrBatchFlushState* flushState) { |
| // Semi-usually the drawTargets are already closed at this point, but sometimes Ganesh |
| // needs to flush mid-draw. In that case, the SkGpuDevice's drawTargets won't be closed |
| // but need to be flushed anyway. Closing such drawTargets here will mean new |
| // drawTargets will be created to replace them if the SkGpuDevice(s) write to them again. |
| this->makeClosed(); |
| |
| // Loop over the batches that haven't yet generated their geometry |
| for (int i = 0; i < fRecordedBatches.count(); ++i) { |
| if (fRecordedBatches[i].fBatch) { |
| fRecordedBatches[i].fBatch->prepare(flushState); |
| } |
| } |
| |
| if (fInstancedRendering) { |
| fInstancedRendering->beginFlush(flushState->resourceProvider()); |
| } |
| } |
| |
| void GrDrawTarget::drawBatches(GrBatchFlushState* flushState) { |
| if (0 == fRecordedBatches.count()) { |
| return; |
| } |
| // Draw all the generated geometry. |
| SkRandom random; |
| GrRenderTarget* currentRT = nullptr; |
| SkAutoTDelete<GrGpuCommandBuffer> commandBuffer; |
| SkRect bounds = SkRect::MakeEmpty(); |
| for (int i = 0; i < fRecordedBatches.count(); ++i) { |
| if (!fRecordedBatches[i].fBatch) { |
| continue; |
| } |
| if (fRecordedBatches[i].fBatch->renderTarget() != currentRT) { |
| if (commandBuffer) { |
| commandBuffer->end(); |
| if (bounds.intersect(0, 0, |
| SkIntToScalar(currentRT->width()), |
| SkIntToScalar(currentRT->height()))) { |
| SkIRect iBounds; |
| bounds.roundOut(&iBounds); |
| commandBuffer->submit(iBounds); |
| } |
| commandBuffer.reset(); |
| } |
| bounds.setEmpty(); |
| currentRT = fRecordedBatches[i].fBatch->renderTarget(); |
| if (currentRT) { |
| static const GrGpuCommandBuffer::LoadAndStoreInfo kBasicLoadStoreInfo |
| { GrGpuCommandBuffer::LoadOp::kLoad,GrGpuCommandBuffer::StoreOp::kStore, |
| GrColor_ILLEGAL }; |
| commandBuffer.reset(fGpu->createCommandBuffer(currentRT, |
| kBasicLoadStoreInfo, // Color |
| kBasicLoadStoreInfo)); // Stencil |
| } |
| flushState->setCommandBuffer(commandBuffer); |
| } |
| if (commandBuffer) { |
| bounds.join(fRecordedBatches[i].fClippedBounds); |
| } |
| if (fDrawBatchBounds) { |
| const SkRect& bounds = fRecordedBatches[i].fClippedBounds; |
| SkIRect ibounds; |
| bounds.roundOut(&ibounds); |
| // In multi-draw buffer all the batches use the same render target and we won't need to |
| // get the batchs bounds. |
| if (GrRenderTarget* rt = fRecordedBatches[i].fBatch->renderTarget()) { |
| fGpu->drawDebugWireRect(rt, ibounds, 0xFF000000 | random.nextU()); |
| } |
| } |
| fRecordedBatches[i].fBatch->draw(flushState); |
| } |
| if (commandBuffer) { |
| commandBuffer->end(); |
| if (bounds.intersect(0, 0, |
| SkIntToScalar(currentRT->width()), |
| SkIntToScalar(currentRT->height()))) { |
| SkIRect iBounds; |
| bounds.roundOut(&iBounds); |
| commandBuffer->submit(iBounds); |
| } |
| flushState->setCommandBuffer(nullptr); |
| } |
| |
| fGpu->finishDrawTarget(); |
| } |
| |
| void GrDrawTarget::reset() { |
| fRecordedBatches.reset(); |
| if (fInstancedRendering) { |
| fInstancedRendering->endFlush(); |
| } |
| } |
| |
| static void batch_bounds(SkRect* bounds, const GrBatch* batch) { |
| *bounds = batch->bounds(); |
| if (batch->hasZeroArea()) { |
| if (batch->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; |
| } |
| } |
| } |
| } |
| |
| static inline bool intersect(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 = SkTMax(a.fLeft, b.fLeft); |
| out->fTop = SkTMax(a.fTop, b.fTop); |
| out->fRight = SkTMin(a.fRight, b.fRight); |
| out->fBottom = SkTMin(a.fBottom, b.fBottom); |
| return (out->fLeft <= out->fRight && out->fTop <= out->fBottom); |
| } |
| |
| void GrDrawTarget::drawBatch(const GrPipelineBuilder& pipelineBuilder, |
| GrDrawContext* drawContext, |
| const GrClip& clip, |
| GrDrawBatch* batch) { |
| // Setup clip |
| GrAppliedClip appliedClip; |
| SkRect bounds; |
| batch_bounds(&bounds, batch); |
| if (!clip.apply(fContext, drawContext, &bounds, |
| pipelineBuilder.isHWAntialias(), pipelineBuilder.hasUserStencilSettings(), |
| &appliedClip)) { |
| return; |
| } |
| |
| // TODO: this is the only remaining usage of the AutoRestoreFragmentProcessorState - remove it |
| GrPipelineBuilder::AutoRestoreFragmentProcessorState arfps; |
| if (appliedClip.getClipCoverageFragmentProcessor()) { |
| arfps.set(&pipelineBuilder); |
| arfps.addCoverageFragmentProcessor(sk_ref_sp(appliedClip.getClipCoverageFragmentProcessor())); |
| } |
| |
| GrPipeline::CreateArgs args; |
| args.fPipelineBuilder = &pipelineBuilder; |
| args.fDrawContext = drawContext; |
| args.fCaps = this->caps(); |
| args.fScissor = &appliedClip.scissorState(); |
| args.fHasStencilClip = appliedClip.hasStencilClip(); |
| if (pipelineBuilder.hasUserStencilSettings() || appliedClip.hasStencilClip()) { |
| if (!fResourceProvider->attachStencilAttachment(drawContext->accessRenderTarget())) { |
| SkDebugf("ERROR creating stencil attachment. Draw skipped.\n"); |
| return; |
| } |
| } |
| batch->getPipelineOptimizations(&args.fOpts); |
| GrScissorState finalScissor; |
| if (args.fOpts.fOverrides.fUsePLSDstRead || fClipBatchToBounds) { |
| GrGLIRect viewport; |
| viewport.fLeft = 0; |
| viewport.fBottom = 0; |
| viewport.fWidth = drawContext->width(); |
| viewport.fHeight = drawContext->height(); |
| SkIRect ibounds; |
| ibounds.fLeft = SkTPin(SkScalarFloorToInt(batch->bounds().fLeft), viewport.fLeft, |
| viewport.fWidth); |
| ibounds.fTop = SkTPin(SkScalarFloorToInt(batch->bounds().fTop), viewport.fBottom, |
| viewport.fHeight); |
| ibounds.fRight = SkTPin(SkScalarCeilToInt(batch->bounds().fRight), viewport.fLeft, |
| viewport.fWidth); |
| ibounds.fBottom = SkTPin(SkScalarCeilToInt(batch->bounds().fBottom), viewport.fBottom, |
| viewport.fHeight); |
| if (appliedClip.scissorState().enabled()) { |
| const SkIRect& scissorRect = appliedClip.scissorState().rect(); |
| if (!ibounds.intersect(scissorRect)) { |
| return; |
| } |
| } |
| finalScissor.set(ibounds); |
| args.fScissor = &finalScissor; |
| } |
| args.fOpts.fColorPOI.completeCalculations( |
| sk_sp_address_as_pointer_address(pipelineBuilder.fColorFragmentProcessors.begin()), |
| pipelineBuilder.numColorFragmentProcessors()); |
| args.fOpts.fCoveragePOI.completeCalculations( |
| sk_sp_address_as_pointer_address(pipelineBuilder.fCoverageFragmentProcessors.begin()), |
| pipelineBuilder.numCoverageFragmentProcessors()); |
| if (!this->setupDstReadIfNecessary(pipelineBuilder, drawContext->accessRenderTarget(), |
| clip, args.fOpts, |
| &args.fDstTexture, batch->bounds())) { |
| return; |
| } |
| |
| if (!batch->installPipeline(args)) { |
| return; |
| } |
| |
| #ifdef ENABLE_MDB |
| SkASSERT(fRenderTarget); |
| batch->pipeline()->addDependenciesTo(fRenderTarget); |
| #endif |
| SkRect clippedBounds; |
| SkAssertResult(intersect(&clippedBounds, bounds, appliedClip.deviceBounds())); |
| this->recordBatch(batch, clippedBounds); |
| } |
| |
| void GrDrawTarget::stencilPath(GrDrawContext* drawContext, |
| const GrClip& clip, |
| const GrUserStencilSettings* ss, |
| bool useHWAA, |
| const SkMatrix& viewMatrix, |
| const GrPath* path) { |
| // TODO: extract portions of checkDraw that are relevant to path stenciling. |
| SkASSERT(path); |
| SkASSERT(this->caps()->shaderCaps()->pathRenderingSupport()); |
| |
| // Setup clip |
| GrAppliedClip appliedClip; |
| if (!clip.apply(fContext, drawContext, nullptr, useHWAA, SkToBool(ss), &appliedClip)) { |
| return; |
| } |
| // TODO: respect fClipBatchToBounds 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.getClipCoverageFragmentProcessor()); |
| |
| GrStencilAttachment* stencilAttachment = fResourceProvider->attachStencilAttachment( |
| drawContext->accessRenderTarget()); |
| if (!stencilAttachment) { |
| SkDebugf("ERROR creating stencil attachment. Draw skipped.\n"); |
| return; |
| } |
| |
| GrBatch* batch = GrStencilPathBatch::Create(viewMatrix, |
| useHWAA, |
| path->getFillType(), |
| appliedClip.hasStencilClip(), |
| stencilAttachment->bits(), |
| appliedClip.scissorState(), |
| drawContext->accessRenderTarget(), |
| path); |
| this->recordBatch(batch, appliedClip.deviceBounds()); |
| batch->unref(); |
| } |
| |
| void GrDrawTarget::addBatch(sk_sp<GrBatch> batch) { |
| this->recordBatch(batch.get(), batch->bounds()); |
| } |
| |
| void GrDrawTarget::discard(GrRenderTarget* renderTarget) { |
| if (this->caps()->discardRenderTargetSupport()) { |
| GrBatch* batch = new GrDiscardBatch(renderTarget); |
| this->recordBatch(batch, batch->bounds()); |
| batch->unref(); |
| } |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| bool GrDrawTarget::copySurface(GrSurface* dst, |
| GrSurface* src, |
| const SkIRect& srcRect, |
| const SkIPoint& dstPoint) { |
| GrBatch* batch = GrCopySurfaceBatch::Create(dst, src, srcRect, dstPoint); |
| if (!batch) { |
| return false; |
| } |
| #ifdef ENABLE_MDB |
| this->addDependency(src); |
| #endif |
| |
| this->recordBatch(batch, batch->bounds()); |
| batch->unref(); |
| 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); |
| } |
| |
| void GrDrawTarget::recordBatch(GrBatch* batch, const SkRect& clippedBounds) { |
| // A closed drawTarget should never receive new/more batches |
| SkASSERT(!this->isClosed()); |
| |
| // Check if there is a Batch Draw we can batch with by linearly searching back until we either |
| // 1) check every draw |
| // 2) intersect with something |
| // 3) find a 'blocker' |
| GR_AUDIT_TRAIL_ADDBATCH(fAuditTrail, batch); |
| GrBATCH_INFO("Re-Recording (%s, B%u)\n" |
| "\tBounds LRTB (%f, %f, %f, %f)\n", |
| batch->name(), |
| batch->uniqueID(), |
| batch->bounds().fLeft, batch->bounds().fRight, |
| batch->bounds().fTop, batch->bounds().fBottom); |
| GrBATCH_INFO(SkTabString(batch->dumpInfo(), 1).c_str()); |
| GrBATCH_INFO("\tClipped Bounds: [L: %.2f, T: %.2f, R: %.2f, B: %.2f]\n", |
| clippedBounds.fLeft, clippedBounds.fTop, clippedBounds.fRight, |
| clippedBounds.fBottom); |
| GrBATCH_INFO("\tOutcome:\n"); |
| int maxCandidates = SkTMin(fMaxBatchLookback, fRecordedBatches.count()); |
| if (maxCandidates) { |
| int i = 0; |
| while (true) { |
| GrBatch* candidate = fRecordedBatches.fromBack(i).fBatch.get(); |
| // We cannot continue to search backwards if the render target changes |
| if (candidate->renderTargetUniqueID() != batch->renderTargetUniqueID()) { |
| GrBATCH_INFO("\t\tBreaking because of (%s, B%u) Rendertarget\n", |
| candidate->name(), candidate->uniqueID()); |
| break; |
| } |
| if (candidate->combineIfPossible(batch, *this->caps())) { |
| GrBATCH_INFO("\t\tCombining with (%s, B%u)\n", candidate->name(), |
| candidate->uniqueID()); |
| GR_AUDIT_TRAIL_BATCHING_RESULT_COMBINED(fAuditTrail, candidate, batch); |
| join(&fRecordedBatches.fromBack(i).fClippedBounds, |
| fRecordedBatches.fromBack(i).fClippedBounds, clippedBounds); |
| return; |
| } |
| // Stop going backwards if we would cause a painter's order violation. |
| const SkRect& candidateBounds = fRecordedBatches.fromBack(i).fClippedBounds; |
| if (!can_reorder(candidateBounds, clippedBounds)) { |
| GrBATCH_INFO("\t\tIntersects with (%s, B%u)\n", candidate->name(), |
| candidate->uniqueID()); |
| break; |
| } |
| ++i; |
| if (i == maxCandidates) { |
| GrBATCH_INFO("\t\tReached max lookback or beginning of batch array %d\n", i); |
| break; |
| } |
| } |
| } else { |
| GrBATCH_INFO("\t\tFirstBatch\n"); |
| } |
| GR_AUDIT_TRAIL_BATCHING_RESULT_NEW(fAuditTrail, batch); |
| fRecordedBatches.emplace_back(RecordedBatch{sk_ref_sp(batch), clippedBounds}); |
| } |
| |
| void GrDrawTarget::forwardCombine() { |
| for (int i = 0; i < fRecordedBatches.count() - 2; ++i) { |
| GrBatch* batch = fRecordedBatches[i].fBatch.get(); |
| const SkRect& batchBounds = fRecordedBatches[i].fClippedBounds; |
| int maxCandidateIdx = SkTMin(i + fMaxBatchLookahead, fRecordedBatches.count() - 1); |
| int j = i + 1; |
| while (true) { |
| GrBatch* candidate = fRecordedBatches[j].fBatch.get(); |
| // We cannot continue to search if the render target changes |
| if (candidate->renderTargetUniqueID() != batch->renderTargetUniqueID()) { |
| GrBATCH_INFO("\t\tBreaking because of (%s, B%u) Rendertarget\n", |
| candidate->name(), candidate->uniqueID()); |
| break; |
| } |
| if (j == i +1) { |
| // We assume batch would have combined with candidate when the candidate was added |
| // via backwards combining in recordBatch. |
| SkASSERT(!batch->combineIfPossible(candidate, *this->caps())); |
| } else if (batch->combineIfPossible(candidate, *this->caps())) { |
| GrBATCH_INFO("\t\tCombining with (%s, B%u)\n", candidate->name(), |
| candidate->uniqueID()); |
| GR_AUDIT_TRAIL_BATCHING_RESULT_COMBINED(fAuditTrail, batch, candidate); |
| fRecordedBatches[j].fBatch = std::move(fRecordedBatches[i].fBatch); |
| join(&fRecordedBatches[j].fClippedBounds, fRecordedBatches[j].fClippedBounds, |
| batchBounds); |
| break; |
| } |
| // Stop going traversing if we would cause a painter's order violation. |
| const SkRect& candidateBounds = fRecordedBatches[j].fClippedBounds; |
| if (!can_reorder(candidateBounds, batchBounds)) { |
| GrBATCH_INFO("\t\tIntersects with (%s, B%u)\n", candidate->name(), |
| candidate->uniqueID()); |
| break; |
| } |
| ++j; |
| if (j > maxCandidateIdx) { |
| GrBATCH_INFO("\t\tReached max lookahead or end of batch array %d\n", i); |
| break; |
| } |
| } |
| } |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| void GrDrawTarget::clearStencilClip(const SkIRect& rect, bool insideClip, GrRenderTarget* rt) { |
| GrBatch* batch = new GrClearStencilClipBatch(rect, insideClip, rt); |
| this->recordBatch(batch, batch->bounds()); |
| batch->unref(); |
| } |
