/* * Copyright 2015 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #include "GrRenderTargetContext.h" #include "../private/GrAuditTrail.h" #include "../private/SkShadowFlags.h" #include "GrAppliedClip.h" #include "GrBackendSemaphore.h" #include "GrColor.h" #include "GrContextPriv.h" #include "GrDrawingManager.h" #include "GrFixedClip.h" #include "GrGpuResourcePriv.h" #include "GrPathRenderer.h" #include "GrRenderTarget.h" #include "GrRenderTargetContextPriv.h" #include "GrResourceProvider.h" #include "GrStencilAttachment.h" #include "GrTracing.h" #include "SkDrawShadowInfo.h" #include "SkLatticeIter.h" #include "SkMatrixPriv.h" #include "SkShadowUtils.h" #include "SkSurfacePriv.h" #include "effects/GrRRectEffect.h" #include "instanced/InstancedRendering.h" #include "ops/GrClearOp.h" #include "ops/GrClearStencilClipOp.h" #include "ops/GrDebugMarkerOp.h" #include "ops/GrDrawAtlasOp.h" #include "ops/GrDrawOp.h" #include "ops/GrDrawVerticesOp.h" #include "ops/GrLatticeOp.h" #include "ops/GrOp.h" #include "ops/GrOvalOpFactory.h" #include "ops/GrRectOpFactory.h" #include "ops/GrRegionOp.h" #include "ops/GrSemaphoreOp.h" #include "ops/GrShadowRRectOp.h" #include "ops/GrStencilPathOp.h" #include "ops/GrTextureOp.h" #include "text/GrAtlasTextContext.h" #include "text/GrStencilAndCoverTextContext.h" #define ASSERT_OWNED_RESOURCE(R) SkASSERT(!(R) || (R)->getContext() == this->drawingManager()->getContext()) #define ASSERT_SINGLE_OWNER \ SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(this->singleOwner());) #define ASSERT_SINGLE_OWNER_PRIV \ SkDEBUGCODE(GrSingleOwner::AutoEnforce debug_SingleOwner(fRenderTargetContext->singleOwner());) #define RETURN_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return; } #define RETURN_IF_ABANDONED_PRIV if (fRenderTargetContext->drawingManager()->wasAbandoned()) { return; } #define RETURN_FALSE_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return false; } #define RETURN_FALSE_IF_ABANDONED_PRIV if (fRenderTargetContext->drawingManager()->wasAbandoned()) { return false; } #define RETURN_NULL_IF_ABANDONED if (this->drawingManager()->wasAbandoned()) { return nullptr; } ////////////////////////////////////////////////////////////////////////////// GrAAType GrChooseAAType(GrAA aa, GrFSAAType fsaaType, GrAllowMixedSamples allowMixedSamples, const GrCaps& caps) { if (GrAA::kNo == aa) { // On some devices we cannot disable MSAA if it is enabled so we make the AA type reflect // that. if (fsaaType == GrFSAAType::kUnifiedMSAA && !caps.multisampleDisableSupport()) { return GrAAType::kMSAA; } return GrAAType::kNone; } switch (fsaaType) { case GrFSAAType::kNone: return GrAAType::kCoverage; case GrFSAAType::kUnifiedMSAA: return GrAAType::kMSAA; case GrFSAAType::kMixedSamples: return GrAllowMixedSamples::kYes == allowMixedSamples ? GrAAType::kMixedSamples : GrAAType::kCoverage; } SK_ABORT("Unexpected fsaa type"); return GrAAType::kNone; } ////////////////////////////////////////////////////////////////////////////// class AutoCheckFlush { public: AutoCheckFlush(GrDrawingManager* drawingManager) : fDrawingManager(drawingManager) { SkASSERT(fDrawingManager); } ~AutoCheckFlush() { fDrawingManager->flushIfNecessary(); } private: GrDrawingManager* fDrawingManager; }; bool GrRenderTargetContext::wasAbandoned() const { return this->drawingManager()->wasAbandoned(); } // In MDB mode the reffing of the 'getLastOpList' call's result allows in-progress // GrOpLists to be picked up and added to by renderTargetContexts lower in the call // stack. When this occurs with a closed GrOpList, a new one will be allocated // when the renderTargetContext attempts to use it (via getOpList). GrRenderTargetContext::GrRenderTargetContext(GrContext* context, GrDrawingManager* drawingMgr, sk_sp rtp, sk_sp colorSpace, const SkSurfaceProps* surfaceProps, GrAuditTrail* auditTrail, GrSingleOwner* singleOwner, bool managedOpList) : GrSurfaceContext(context, drawingMgr, std::move(colorSpace), auditTrail, singleOwner) , fRenderTargetProxy(std::move(rtp)) , fOpList(sk_ref_sp(fRenderTargetProxy->getLastRenderTargetOpList())) , fInstancedPipelineInfo(fRenderTargetProxy.get()) , fColorXformFromSRGB(nullptr) , fSurfaceProps(SkSurfacePropsCopyOrDefault(surfaceProps)) , fManagedOpList(managedOpList) { if (fColorSpace) { // sRGB sources are very common (SkColor, etc...), so we cache that gamut transformation auto srgbColorSpace = SkColorSpace::MakeSRGB(); fColorXformFromSRGB = GrColorSpaceXform::Make(srgbColorSpace.get(), fColorSpace.get()); } // MDB TODO: to ensure all resources still get allocated in the correct order in the hybrid // world we need to get the correct opList here so that it, in turn, can grab and hold // its rendertarget. this->getRTOpList(); SkDEBUGCODE(this->validate();) } #ifdef SK_DEBUG void GrRenderTargetContext::validate() const { SkASSERT(fRenderTargetProxy); fRenderTargetProxy->validate(fContext); if (fOpList && !fOpList->isClosed()) { SkASSERT(fRenderTargetProxy->getLastOpList() == fOpList.get()); } } #endif GrRenderTargetContext::~GrRenderTargetContext() { ASSERT_SINGLE_OWNER } GrTextureProxy* GrRenderTargetContext::asTextureProxy() { return fRenderTargetProxy->asTextureProxy(); } sk_sp GrRenderTargetContext::asTextureProxyRef() { return sk_ref_sp(fRenderTargetProxy->asTextureProxy()); } GrRenderTargetOpList* GrRenderTargetContext::getRTOpList() { ASSERT_SINGLE_OWNER SkDEBUGCODE(this->validate();) if (!fOpList || fOpList->isClosed()) { fOpList = this->drawingManager()->newRTOpList(fRenderTargetProxy.get(), fManagedOpList); } return fOpList.get(); } GrOpList* GrRenderTargetContext::getOpList() { return this->getRTOpList(); } void GrRenderTargetContext::drawText(const GrClip& clip, const SkPaint& skPaint, const SkMatrix& viewMatrix, const char text[], size_t byteLength, SkScalar x, SkScalar y, const SkIRect& clipBounds) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawText", fContext); GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext(); atlasTextContext->drawText(fContext, this, clip, skPaint, viewMatrix, fSurfaceProps, text, byteLength, x, y, clipBounds); } void GrRenderTargetContext::drawPosText(const GrClip& clip, const SkPaint& paint, const SkMatrix& viewMatrix, const char text[], size_t byteLength, const SkScalar pos[], int scalarsPerPosition, const SkPoint& offset, const SkIRect& clipBounds) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawPosText", fContext); GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext(); atlasTextContext->drawPosText(fContext, this, clip, paint, viewMatrix, fSurfaceProps, text, byteLength, pos, scalarsPerPosition, offset, clipBounds); } void GrRenderTargetContext::drawTextBlob(const GrClip& clip, const SkPaint& paint, const SkMatrix& viewMatrix, const SkTextBlob* blob, SkScalar x, SkScalar y, SkDrawFilter* filter, const SkIRect& clipBounds) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawTextBlob", fContext); GrAtlasTextContext* atlasTextContext = this->drawingManager()->getAtlasTextContext(); atlasTextContext->drawTextBlob(fContext, this, clip, paint, viewMatrix, fSurfaceProps, blob, x, y, filter, clipBounds); } void GrRenderTargetContext::discard() { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "discard", fContext); AutoCheckFlush acf(this->drawingManager()); this->getRTOpList()->discard(); } void GrRenderTargetContext::clear(const SkIRect* rect, const GrColor color, bool canIgnoreRect) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "clear", fContext); AutoCheckFlush acf(this->drawingManager()); this->internalClear(rect ? GrFixedClip(*rect) : GrFixedClip::Disabled(), color, canIgnoreRect); } void GrRenderTargetContextPriv::absClear(const SkIRect* clearRect, const GrColor color) { ASSERT_SINGLE_OWNER_PRIV RETURN_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "absClear", fRenderTargetContext->fContext); AutoCheckFlush acf(fRenderTargetContext->drawingManager()); SkIRect rtRect = SkIRect::MakeWH(fRenderTargetContext->fRenderTargetProxy->worstCaseWidth(), fRenderTargetContext->fRenderTargetProxy->worstCaseHeight()); if (clearRect) { if (clearRect->contains(rtRect)) { clearRect = nullptr; // full screen } else { if (!rtRect.intersect(*clearRect)) { return; } } } // TODO: in a post-MDB world this should be handled at the OpList level. // An op-list that is initially cleared and has no other ops should receive an // extra draw. if (fRenderTargetContext->fContext->caps()->useDrawInsteadOfClear()) { // This works around a driver bug with clear by drawing a rect instead. // The driver will ignore a clear if it is the only thing rendered to a // target before the target is read. GrPaint paint; paint.setColor4f(GrColor4f::FromGrColor(color)); paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); // We don't call drawRect() here to avoid the cropping to the, possibly smaller, // RenderTargetProxy bounds std::unique_ptr op = GrRectOpFactory::MakeNonAAFill( std::move(paint), SkMatrix::I(), SkRect::Make(rtRect), GrAAType::kNone); fRenderTargetContext->addDrawOp(GrNoClip(), std::move(op)); } else { // This path doesn't handle coalescing of full screen clears b.c. it // has to clear the entire render target - not just the content area. // It could be done but will take more finagling. std::unique_ptr op(GrClearOp::Make(rtRect, color, !clearRect)); if (!op) { return; } fRenderTargetContext->getRTOpList()->addOp(std::move(op), *fRenderTargetContext->caps()); } } void GrRenderTargetContextPriv::clear(const GrFixedClip& clip, const GrColor color, bool canIgnoreClip) { ASSERT_SINGLE_OWNER_PRIV RETURN_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "clear", fRenderTargetContext->fContext); AutoCheckFlush acf(fRenderTargetContext->drawingManager()); fRenderTargetContext->internalClear(clip, color, canIgnoreClip); } void GrRenderTargetContext::internalClear(const GrFixedClip& clip, const GrColor color, bool canIgnoreClip) { bool isFull = false; if (!clip.hasWindowRectangles()) { isFull = !clip.scissorEnabled() || (canIgnoreClip && fContext->caps()->fullClearIsFree()) || clip.scissorRect().contains(SkIRect::MakeWH(this->width(), this->height())); } if (fContext->caps()->useDrawInsteadOfClear()) { // This works around a driver bug with clear by drawing a rect instead. // The driver will ignore a clear if it is the only thing rendered to a // target before the target is read. SkIRect clearRect = SkIRect::MakeWH(this->width(), this->height()); if (isFull) { this->discard(); } else if (!clearRect.intersect(clip.scissorRect())) { return; } GrPaint paint; paint.setColor4f(GrColor4f::FromGrColor(color)); paint.setXPFactory(GrPorterDuffXPFactory::Get(SkBlendMode::kSrc)); this->drawRect(clip, std::move(paint), GrAA::kNo, SkMatrix::I(), SkRect::Make(clearRect)); } else if (isFull) { this->getRTOpList()->fullClear(*this->caps(), color); } else { std::unique_ptr op(GrClearOp::Make(clip, color, this->asSurfaceProxy())); if (!op) { return; } this->getRTOpList()->addOp(std::move(op), *this->caps()); } } void GrRenderTargetContext::drawPaint(const GrClip& clip, GrPaint&& paint, const SkMatrix& viewMatrix) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawPaint", fContext); // set rect to be big enough to fill the space, but not super-huge, so we // don't overflow fixed-point implementations SkRect r = fRenderTargetProxy->getBoundsRect(); SkRRect rrect; GrAA aa; // Check if we can replace a clipRRect()/drawPaint() with a drawRRect(). We only do the // transformation for non-rect rrects. Rects caused a performance regression on an Android // test that needs investigation. We also skip cases where there are fragment processors // because they may depend on having correct local coords and this path draws in device space // without a local matrix. if (!paint.numTotalFragmentProcessors() && clip.isRRect(r, &rrect, &aa) && !rrect.isRect()) { this->drawRRect(GrNoClip(), std::move(paint), aa, SkMatrix::I(), rrect, GrStyle::SimpleFill()); return; } bool isPerspective = viewMatrix.hasPerspective(); // We attempt to map r by the inverse matrix and draw that. mapRect will // map the four corners and bound them with a new rect. This will not // produce a correct result for some perspective matrices. if (!isPerspective) { if (!SkMatrixPriv::InverseMapRect(viewMatrix, &r, r)) { SkDebugf("Could not invert matrix\n"); return; } this->drawRect(clip, std::move(paint), GrAA::kNo, viewMatrix, r); } else { SkMatrix localMatrix; if (!viewMatrix.invert(&localMatrix)) { SkDebugf("Could not invert matrix\n"); return; } AutoCheckFlush acf(this->drawingManager()); std::unique_ptr op = GrRectOpFactory::MakeNonAAFillWithLocalMatrix( std::move(paint), SkMatrix::I(), localMatrix, r, GrAAType::kNone); this->addDrawOp(clip, std::move(op)); } } static inline bool rect_contains_inclusive(const SkRect& rect, const SkPoint& point) { return point.fX >= rect.fLeft && point.fX <= rect.fRight && point.fY >= rect.fTop && point.fY <= rect.fBottom; } // Attempts to crop a rect and optional local rect to the clip boundaries. // Returns false if the draw can be skipped entirely. static bool crop_filled_rect(int width, int height, const GrClip& clip, const SkMatrix& viewMatrix, SkRect* rect, SkRect* localRect = nullptr) { if (!viewMatrix.rectStaysRect()) { return true; } SkIRect clipDevBounds; SkRect clipBounds; clip.getConservativeBounds(width, height, &clipDevBounds); if (!SkMatrixPriv::InverseMapRect(viewMatrix, &clipBounds, SkRect::Make(clipDevBounds))) { return false; } if (localRect) { if (!rect->intersects(clipBounds)) { return false; } const SkScalar dx = localRect->width() / rect->width(); const SkScalar dy = localRect->height() / rect->height(); if (clipBounds.fLeft > rect->fLeft) { localRect->fLeft += (clipBounds.fLeft - rect->fLeft) * dx; rect->fLeft = clipBounds.fLeft; } if (clipBounds.fTop > rect->fTop) { localRect->fTop += (clipBounds.fTop - rect->fTop) * dy; rect->fTop = clipBounds.fTop; } if (clipBounds.fRight < rect->fRight) { localRect->fRight -= (rect->fRight - clipBounds.fRight) * dx; rect->fRight = clipBounds.fRight; } if (clipBounds.fBottom < rect->fBottom) { localRect->fBottom -= (rect->fBottom - clipBounds.fBottom) * dy; rect->fBottom = clipBounds.fBottom; } return true; } return rect->intersect(clipBounds); } bool GrRenderTargetContext::drawFilledRect(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& rect, const GrUserStencilSettings* ss) { SkRect croppedRect = rect; if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) { return true; } if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport() && (!ss || ss->isDisabled(false))) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op = oa->recordRect(croppedRect, viewMatrix, std::move(paint), aa, fInstancedPipelineInfo); if (op) { this->addDrawOp(clip, std::move(op)); return true; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); std::unique_ptr op; if (GrAAType::kCoverage == aaType) { op = GrRectOpFactory::MakeAAFill(std::move(paint), viewMatrix, croppedRect, ss); } else { op = GrRectOpFactory::MakeNonAAFill(std::move(paint), viewMatrix, croppedRect, aaType, ss); } if (!op) { return false; } this->addDrawOp(clip, std::move(op)); return true; } void GrRenderTargetContext::drawRect(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& rect, const GrStyle* style) { if (!style) { style = &GrStyle::SimpleFill(); } ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRect", fContext); // Path effects should've been devolved to a path in SkGpuDevice SkASSERT(!style->pathEffect()); AutoCheckFlush acf(this->drawingManager()); const SkStrokeRec& stroke = style->strokeRec(); if (stroke.getStyle() == SkStrokeRec::kFill_Style) { if (!fContext->caps()->useDrawInsteadOfClear()) { // Check if this is a full RT draw and can be replaced with a clear. We don't bother // checking cases where the RT is fully inside a stroke. SkRect rtRect = fRenderTargetProxy->getBoundsRect(); // Does the clip contain the entire RT? if (clip.quickContains(rtRect)) { SkMatrix invM; if (!viewMatrix.invert(&invM)) { return; } // Does the rect bound the RT? SkPoint srcSpaceRTQuad[4]; invM.mapRectToQuad(srcSpaceRTQuad, rtRect); if (rect_contains_inclusive(rect, srcSpaceRTQuad[0]) && rect_contains_inclusive(rect, srcSpaceRTQuad[1]) && rect_contains_inclusive(rect, srcSpaceRTQuad[2]) && rect_contains_inclusive(rect, srcSpaceRTQuad[3])) { // Will it blend? GrColor clearColor; if (paint.isConstantBlendedColor(&clearColor)) { this->clear(nullptr, clearColor, true); return; } } } } if (this->drawFilledRect(clip, std::move(paint), aa, viewMatrix, rect, nullptr)) { return; } } else if (stroke.getStyle() == SkStrokeRec::kStroke_Style || stroke.getStyle() == SkStrokeRec::kHairline_Style) { if ((!rect.width() || !rect.height()) && SkStrokeRec::kHairline_Style != stroke.getStyle()) { SkScalar r = stroke.getWidth() / 2; // TODO: Move these stroke->fill fallbacks to GrShape? switch (stroke.getJoin()) { case SkPaint::kMiter_Join: this->drawRect( clip, std::move(paint), aa, viewMatrix, {rect.fLeft - r, rect.fTop - r, rect.fRight + r, rect.fBottom + r}, &GrStyle::SimpleFill()); return; case SkPaint::kRound_Join: // Raster draws nothing when both dimensions are empty. if (rect.width() || rect.height()){ SkRRect rrect = SkRRect::MakeRectXY(rect.makeOutset(r, r), r, r); this->drawRRect(clip, std::move(paint), aa, viewMatrix, rrect, GrStyle::SimpleFill()); return; } case SkPaint::kBevel_Join: if (!rect.width()) { this->drawRect(clip, std::move(paint), aa, viewMatrix, {rect.fLeft - r, rect.fTop, rect.fRight + r, rect.fBottom}, &GrStyle::SimpleFill()); } else { this->drawRect(clip, std::move(paint), aa, viewMatrix, {rect.fLeft, rect.fTop - r, rect.fRight, rect.fBottom + r}, &GrStyle::SimpleFill()); } return; } } std::unique_ptr op; GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage == aaType) { // The stroke path needs the rect to remain axis aligned (no rotation or skew). if (viewMatrix.rectStaysRect()) { op = GrRectOpFactory::MakeAAStroke(std::move(paint), viewMatrix, rect, stroke); } } else { op = GrRectOpFactory::MakeNonAAStroke(std::move(paint), viewMatrix, rect, stroke, aaType); } if (op) { this->addDrawOp(clip, std::move(op)); return; } } SkPath path; path.setIsVolatile(true); path.addRect(rect); this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, *style); } int GrRenderTargetContextPriv::maxWindowRectangles() const { return fRenderTargetContext->fRenderTargetProxy->maxWindowRectangles( *fRenderTargetContext->fContext->caps()); } void GrRenderTargetContextPriv::clearStencilClip(const GrFixedClip& clip, bool insideStencilMask) { ASSERT_SINGLE_OWNER_PRIV RETURN_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "clearStencilClip", fRenderTargetContext->fContext); AutoCheckFlush acf(fRenderTargetContext->drawingManager()); std::unique_ptr op(GrClearStencilClipOp::Make( clip, insideStencilMask, fRenderTargetContext->fRenderTargetProxy.get())); if (!op) { return; } fRenderTargetContext->getRTOpList()->addOp(std::move(op), *fRenderTargetContext->caps()); } void GrRenderTargetContextPriv::stencilPath(const GrClip& clip, GrAAType aaType, const SkMatrix& viewMatrix, const GrPath* path) { ASSERT_SINGLE_OWNER_PRIV RETURN_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "stencilPath", fRenderTargetContext->fContext); SkASSERT(aaType != GrAAType::kCoverage); bool useHWAA = GrAATypeIsHW(aaType); // TODO: extract portions of checkDraw that are relevant to path stenciling. SkASSERT(path); SkASSERT(fRenderTargetContext->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(fRenderTargetContext->width(), fRenderTargetContext->height()); // Setup clip GrAppliedClip appliedClip; if (!clip.apply(fRenderTargetContext->fContext, fRenderTargetContext, useHWAA, true, &appliedClip, &bounds)) { return; } // 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()); fRenderTargetContext->setNeedsStencil(); std::unique_ptr op = GrStencilPathOp::Make(viewMatrix, useHWAA, path->getFillType(), appliedClip.hasStencilClip(), appliedClip.scissorState(), path); if (!op) { return; } op->setClippedBounds(bounds); fRenderTargetContext->getRTOpList()->addOp(std::move(op), *fRenderTargetContext->caps()); } void GrRenderTargetContextPriv::stencilRect(const GrClip& clip, const GrUserStencilSettings* ss, GrAAType aaType, const SkMatrix& viewMatrix, const SkRect& rect) { ASSERT_SINGLE_OWNER_PRIV RETURN_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "stencilRect", fRenderTargetContext->fContext); SkASSERT(GrAAType::kCoverage != aaType); AutoCheckFlush acf(fRenderTargetContext->drawingManager()); GrPaint paint; paint.setXPFactory(GrDisableColorXPFactory::Get()); std::unique_ptr op = GrRectOpFactory::MakeNonAAFill(std::move(paint), viewMatrix, rect, aaType, ss); fRenderTargetContext->addDrawOp(clip, std::move(op)); } bool GrRenderTargetContextPriv::drawAndStencilRect(const GrClip& clip, const GrUserStencilSettings* ss, SkRegion::Op op, bool invert, GrAA aa, const SkMatrix& viewMatrix, const SkRect& rect) { ASSERT_SINGLE_OWNER_PRIV RETURN_FALSE_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "drawAndStencilRect", fRenderTargetContext->fContext); AutoCheckFlush acf(fRenderTargetContext->drawingManager()); GrPaint paint; paint.setCoverageSetOpXPFactory(op, invert); if (fRenderTargetContext->drawFilledRect(clip, std::move(paint), aa, viewMatrix, rect, ss)) { return true; } SkPath path; path.setIsVolatile(true); path.addRect(rect); return this->drawAndStencilPath(clip, ss, op, invert, aa, viewMatrix, path); } void GrRenderTargetContext::fillRectToRect(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& rectToDraw, const SkRect& localRect) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "fillRectToRect", fContext); SkRect croppedRect = rectToDraw; SkRect croppedLocalRect = localRect; if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect, &croppedLocalRect)) { return; } AutoCheckFlush acf(this->drawingManager()); if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op(oa->recordRect(croppedRect, viewMatrix, std::move(paint), croppedLocalRect, aa, fInstancedPipelineInfo)); if (op) { this->addDrawOp(clip, std::move(op)); return; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage != aaType) { std::unique_ptr op = GrRectOpFactory::MakeNonAAFillWithLocalRect( std::move(paint), viewMatrix, croppedRect, croppedLocalRect, aaType); this->addDrawOp(clip, std::move(op)); return; } std::unique_ptr op = GrRectOpFactory::MakeAAFillWithLocalRect( std::move(paint), viewMatrix, croppedRect, croppedLocalRect); if (op) { this->addDrawOp(clip, std::move(op)); return; } SkMatrix viewAndUnLocalMatrix; if (!viewAndUnLocalMatrix.setRectToRect(localRect, rectToDraw, SkMatrix::kFill_ScaleToFit)) { SkDebugf("fillRectToRect called with empty local matrix.\n"); return; } viewAndUnLocalMatrix.postConcat(viewMatrix); SkPath path; path.setIsVolatile(true); path.addRect(localRect); this->internalDrawPath(clip, std::move(paint), aa, viewAndUnLocalMatrix, path, GrStyle()); } static bool must_filter(const SkRect& src, const SkRect& dst, const SkMatrix& ctm) { // We don't currently look for 90 degree rotations, mirroring, or downscales that sample at // texel centers. if (!ctm.isTranslate()) { return true; } if (src.width() != dst.width() || src.height() != dst.height()) { return true; } // Check that the device space rectangle's fractional offset is the same as the src rectangle, // and that therefore integers in the src image fall on integers in device space. SkScalar x = ctm.getTranslateX(), y = ctm.getTranslateY(); x += dst.fLeft; y += dst.fTop; x -= src.fLeft; y -= src.fTop; return !SkScalarIsInt(x) || !SkScalarIsInt(y); } void GrRenderTargetContext::drawTextureAffine(const GrClip& clip, sk_sp proxy, GrSamplerParams::FilterMode filter, GrColor color, const SkRect& srcRect, const SkRect& dstRect, const SkMatrix& viewMatrix, sk_sp colorSpaceXform) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawTextureAffine", fContext); SkASSERT(!viewMatrix.hasPerspective()); if (filter != GrSamplerParams::kNone_FilterMode && !must_filter(srcRect, dstRect, viewMatrix)) { filter = GrSamplerParams::kNone_FilterMode; } bool allowSRGB = SkToBool(this->getColorSpace()); this->addDrawOp(clip, GrTextureOp::Make(std::move(proxy), filter, color, srcRect, dstRect, viewMatrix, std::move(colorSpaceXform), allowSRGB)); } void GrRenderTargetContext::fillRectWithLocalMatrix(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& rectToDraw, const SkMatrix& localMatrix) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "fillRectWithLocalMatrix", fContext); SkRect croppedRect = rectToDraw; if (!crop_filled_rect(this->width(), this->height(), clip, viewMatrix, &croppedRect)) { return; } AutoCheckFlush acf(this->drawingManager()); if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op(oa->recordRect(croppedRect, viewMatrix, std::move(paint), localMatrix, aa, fInstancedPipelineInfo)); if (op) { this->addDrawOp(clip, std::move(op)); return; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage != aaType) { std::unique_ptr op = GrRectOpFactory::MakeNonAAFillWithLocalMatrix( std::move(paint), viewMatrix, localMatrix, croppedRect, aaType); this->addDrawOp(clip, std::move(op)); return; } std::unique_ptr op = GrRectOpFactory::MakeAAFillWithLocalMatrix( std::move(paint), viewMatrix, localMatrix, croppedRect); if (op) { this->addDrawOp(clip, std::move(op)); return; } SkMatrix viewAndUnLocalMatrix; if (!localMatrix.invert(&viewAndUnLocalMatrix)) { SkDebugf("fillRectWithLocalMatrix called with degenerate local matrix.\n"); return; } viewAndUnLocalMatrix.postConcat(viewMatrix); SkPath path; path.setIsVolatile(true); path.addRect(rectToDraw); path.transform(localMatrix); this->internalDrawPath(clip, std::move(paint), aa, viewAndUnLocalMatrix, path, GrStyle()); } void GrRenderTargetContext::drawVertices(const GrClip& clip, GrPaint&& paint, const SkMatrix& viewMatrix, sk_sp vertices, GrPrimitiveType* overridePrimType) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawVertices", fContext); AutoCheckFlush acf(this->drawingManager()); SkASSERT(vertices); GrAAType aaType = this->chooseAAType(GrAA::kNo, GrAllowMixedSamples::kNo); std::unique_ptr op = GrDrawVerticesOp::Make(std::move(paint), std::move(vertices), viewMatrix, aaType, this->isGammaCorrect(), fColorXformFromSRGB, overridePrimType); this->addDrawOp(clip, std::move(op)); } /////////////////////////////////////////////////////////////////////////////// void GrRenderTargetContext::drawAtlas(const GrClip& clip, GrPaint&& paint, const SkMatrix& viewMatrix, int spriteCount, const SkRSXform xform[], const SkRect texRect[], const SkColor colors[]) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawAtlas", fContext); AutoCheckFlush acf(this->drawingManager()); GrAAType aaType = this->chooseAAType(GrAA::kNo, GrAllowMixedSamples::kNo); std::unique_ptr op = GrDrawAtlasOp::Make(std::move(paint), viewMatrix, aaType, spriteCount, xform, texRect, colors); this->addDrawOp(clip, std::move(op)); } /////////////////////////////////////////////////////////////////////////////// void GrRenderTargetContext::drawRRect(const GrClip& origClip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRRect& rrect, const GrStyle& style) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRRect", fContext); if (rrect.isEmpty()) { return; } GrNoClip noclip; const GrClip* clip = &origClip; #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK // The Android framework frequently clips rrects to themselves where the clip is non-aa and the // draw is aa. Since our lower level clip code works from op bounds, which are SkRects, it // doesn't detect that the clip can be ignored (modulo antialiasing). The following test // attempts to mitigate the stencil clip cost but will only help when the entire clip stack // can be ignored. We'd prefer to fix this in the framework by removing the clips calls. SkRRect devRRect; if (rrect.transform(viewMatrix, &devRRect) && clip->quickContains(devRRect)) { clip = &noclip; } #endif SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice AutoCheckFlush acf(this->drawingManager()); const SkStrokeRec stroke = style.strokeRec(); if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport() && stroke.isFillStyle()) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op( oa->recordRRect(rrect, viewMatrix, std::move(paint), aa, fInstancedPipelineInfo)); if (op) { this->addDrawOp(*clip, std::move(op)); return; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage == aaType) { const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps(); std::unique_ptr op = GrOvalOpFactory::MakeRRectOp(std::move(paint), viewMatrix, rrect, stroke, shaderCaps); if (op) { this->addDrawOp(*clip, std::move(op)); return; } } SkPath path; path.setIsVolatile(true); path.addRRect(rrect); this->internalDrawPath(*clip, std::move(paint), aa, viewMatrix, path, style); } /////////////////////////////////////////////////////////////////////////////// static SkPoint3 map(const SkMatrix& m, const SkPoint3& pt) { SkPoint3 result; m.mapXY(pt.fX, pt.fY, (SkPoint*)&result.fX); result.fZ = pt.fZ; return result; } bool GrRenderTargetContext::drawFastShadow(const GrClip& clip, GrColor color4ub, const SkMatrix& viewMatrix, const SkPath& path, const SkDrawShadowRec& rec) { ASSERT_SINGLE_OWNER if (this->drawingManager()->wasAbandoned()) { return true; } SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawFastShadow", fContext); // check z plane bool tiltZPlane = SkToBool(!SkScalarNearlyZero(rec.fZPlaneParams.fX) || !SkScalarNearlyZero(rec.fZPlaneParams.fY)); bool skipAnalytic = SkToBool(rec.fFlags & SkShadowFlags::kGeometricOnly_ShadowFlag); if (tiltZPlane || skipAnalytic || !viewMatrix.rectStaysRect() || !viewMatrix.isSimilarity()) { return false; } SkRRect rrect; SkRect rect; // we can only handle rects, circles, and rrects with circular corners bool isRRect = path.isRRect(&rrect) && rrect.isSimpleCircular() && rrect.radii(SkRRect::kUpperLeft_Corner).fX > SK_ScalarNearlyZero; if (!isRRect && path.isOval(&rect) && SkScalarNearlyEqual(rect.width(), rect.height()) && rect.width() > SK_ScalarNearlyZero) { rrect.setOval(rect); isRRect = true; } if (!isRRect && path.isRect(&rect)) { rrect.setRect(rect); isRRect = true; } if (!isRRect) { return false; } if (rrect.isEmpty()) { return true; } AutoCheckFlush acf(this->drawingManager()); // transform light SkPoint3 devLightPos = map(viewMatrix, rec.fLightPos); // 1/scale SkScalar devToSrcScale = viewMatrix.isScaleTranslate() ? SkScalarInvert(viewMatrix[SkMatrix::kMScaleX]) : sk_float_rsqrt(viewMatrix[SkMatrix::kMScaleX] * viewMatrix[SkMatrix::kMScaleX] + viewMatrix[SkMatrix::kMSkewX] * viewMatrix[SkMatrix::kMSkewX]); SkScalar occluderHeight = rec.fZPlaneParams.fZ; GrColor4f color = GrColor4f::FromGrColor(color4ub); bool transparent = SkToBool(rec.fFlags & SkShadowFlags::kTransparentOccluder_ShadowFlag); bool tonalColor = SkToBool(rec.fFlags & SkShadowFlags::kTonalColor_ShadowFlag); if (rec.fAmbientAlpha > 0) { SkScalar devSpaceInsetWidth = SkDrawShadowMetrics::AmbientBlurRadius(occluderHeight); const SkScalar umbraRecipAlpha = SkDrawShadowMetrics::AmbientRecipAlpha(occluderHeight); const SkScalar devSpaceAmbientBlur = devSpaceInsetWidth * umbraRecipAlpha; // Outset the shadow rrect to the border of the penumbra SkScalar ambientPathOutset = devSpaceInsetWidth * devToSrcScale; SkRRect ambientRRect; SkRect outsetRect = rrect.rect().makeOutset(ambientPathOutset, ambientPathOutset); // If the rrect was an oval then its outset will also be one. // We set it explicitly to avoid errors. if (rrect.isOval()) { ambientRRect = SkRRect::MakeOval(outsetRect); } else { SkScalar outsetRad = rrect.getSimpleRadii().fX + ambientPathOutset; ambientRRect = SkRRect::MakeRectXY(outsetRect, outsetRad, outsetRad); } GrColor ambientColor; if (tonalColor) { // with tonal color, the color only applies to the spot shadow ambientColor = GrColorPackRGBA(0, 0, 0, 255.999f*rec.fAmbientAlpha); } else { ambientColor = color.mulByScalar(rec.fAmbientAlpha).toGrColor(); } if (transparent) { // set a large inset to force a fill devSpaceInsetWidth = ambientRRect.width(); } // the fraction of the blur we want to apply is devSpaceInsetWidth/devSpaceAmbientBlur, // which is just 1/umbraRecipAlpha. SkScalar blurClamp = SkScalarInvert(umbraRecipAlpha); std::unique_ptr op = GrShadowRRectOp::Make(ambientColor, viewMatrix, ambientRRect, devSpaceAmbientBlur, devSpaceInsetWidth, blurClamp); SkASSERT(op); this->addDrawOp(clip, std::move(op)); } if (rec.fSpotAlpha > 0) { SkScalar devSpaceSpotBlur; SkScalar spotScale; SkVector spotOffset; SkDrawShadowMetrics::GetSpotParams(occluderHeight, devLightPos.fX, devLightPos.fY, devLightPos.fZ, rec.fLightRadius, &devSpaceSpotBlur, &spotScale, &spotOffset); // handle scale of radius due to CTM const SkScalar srcSpaceSpotBlur = devSpaceSpotBlur * devToSrcScale; // Adjust translate for the effect of the scale. spotOffset.fX += spotScale*viewMatrix[SkMatrix::kMTransX]; spotOffset.fY += spotScale*viewMatrix[SkMatrix::kMTransY]; // This offset is in dev space, need to transform it into source space. SkMatrix ctmInverse; if (viewMatrix.invert(&ctmInverse)) { ctmInverse.mapPoints(&spotOffset, 1); } else { // Since the matrix is a similarity, this should never happen, but just in case... SkDebugf("Matrix is degenerate. Will not render spot shadow correctly!\n"); SkASSERT(false); } // Compute the transformed shadow rrect SkRRect spotShadowRRect; SkMatrix shadowTransform; shadowTransform.setScaleTranslate(spotScale, spotScale, spotOffset.fX, spotOffset.fY); rrect.transform(shadowTransform, &spotShadowRRect); SkScalar spotRadius = spotShadowRRect.getSimpleRadii().fX; // Compute the insetWidth SkScalar blurOutset = srcSpaceSpotBlur; SkScalar insetWidth = blurOutset; if (transparent) { // If transparent, just do a fill insetWidth += spotShadowRRect.width(); } else { // For shadows, instead of using a stroke we specify an inset from the penumbra // border. We want to extend this inset area so that it meets up with the caster // geometry. The inset geometry will by default already be inset by the blur width. // // We compare the min and max corners inset by the radius between the original // rrect and the shadow rrect. The distance between the two plus the difference // between the scaled radius and the original radius gives the distance from the // transformed shadow shape to the original shape in that corner. The max // of these gives the maximum distance we need to cover. // // Since we are outsetting by 1/2 the blur distance, we just add the maxOffset to // that to get the full insetWidth. SkScalar maxOffset; if (rrect.isRect()) { // Manhattan distance works better for rects maxOffset = SkTMax(SkTMax(SkTAbs(spotShadowRRect.rect().fLeft - rrect.rect().fLeft), SkTAbs(spotShadowRRect.rect().fTop - rrect.rect().fTop)), SkTMax(SkTAbs(spotShadowRRect.rect().fRight - rrect.rect().fRight), SkTAbs(spotShadowRRect.rect().fBottom - rrect.rect().fBottom))); } else { SkScalar dr = spotRadius - rrect.getSimpleRadii().fX; SkPoint upperLeftOffset = SkPoint::Make(spotShadowRRect.rect().fLeft - rrect.rect().fLeft + dr, spotShadowRRect.rect().fTop - rrect.rect().fTop + dr); SkPoint lowerRightOffset = SkPoint::Make(spotShadowRRect.rect().fRight - rrect.rect().fRight - dr, spotShadowRRect.rect().fBottom - rrect.rect().fBottom - dr); maxOffset = SkScalarSqrt(SkTMax(upperLeftOffset.lengthSqd(), lowerRightOffset.lengthSqd())) + dr; } insetWidth += maxOffset; } // Outset the shadow rrect to the border of the penumbra SkRect outsetRect = spotShadowRRect.rect().makeOutset(blurOutset, blurOutset); if (spotShadowRRect.isOval()) { spotShadowRRect = SkRRect::MakeOval(outsetRect); } else { SkScalar outsetRad = spotRadius + blurOutset; spotShadowRRect = SkRRect::MakeRectXY(outsetRect, outsetRad, outsetRad); } GrColor spotColor; if (tonalColor) { SkScalar colorScale; SkScalar tonalAlpha; SkShadowUtils::ComputeTonalColorParams(color.fRGBA[0], color.fRGBA[1], color.fRGBA[2], rec.fSpotAlpha, &colorScale, &tonalAlpha); color.fRGBA[0] *= colorScale; color.fRGBA[1] *= colorScale; color.fRGBA[2] *= colorScale; color.fRGBA[3] = tonalAlpha; spotColor = color.toGrColor(); } else { spotColor = color.mulByScalar(rec.fSpotAlpha).toGrColor(); } std::unique_ptr op = GrShadowRRectOp::Make(spotColor, viewMatrix, spotShadowRRect, 2.0f * devSpaceSpotBlur, insetWidth); SkASSERT(op); this->addDrawOp(clip, std::move(op)); } return true; } /////////////////////////////////////////////////////////////////////////////// bool GrRenderTargetContext::drawFilledDRRect(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRRect& origOuter, const SkRRect& origInner) { SkASSERT(!origInner.isEmpty()); SkASSERT(!origOuter.isEmpty()); if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport()) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op(oa->recordDRRect( origOuter, origInner, viewMatrix, std::move(paint), aa, fInstancedPipelineInfo)); if (op) { this->addDrawOp(clip, std::move(op)); return true; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); GrPrimitiveEdgeType innerEdgeType, outerEdgeType; if (GrAAType::kCoverage == aaType) { innerEdgeType = kInverseFillAA_GrProcessorEdgeType; outerEdgeType = kFillAA_GrProcessorEdgeType; } else { innerEdgeType = kInverseFillBW_GrProcessorEdgeType; outerEdgeType = kFillBW_GrProcessorEdgeType; } SkTCopyOnFirstWrite inner(origInner), outer(origOuter); SkMatrix inverseVM; if (!viewMatrix.isIdentity()) { if (!origInner.transform(viewMatrix, inner.writable())) { return false; } if (!origOuter.transform(viewMatrix, outer.writable())) { return false; } if (!viewMatrix.invert(&inverseVM)) { return false; } } else { inverseVM.reset(); } // TODO these need to be a geometry processors std::unique_ptr innerEffect(GrRRectEffect::Make(innerEdgeType, *inner)); if (!innerEffect) { return false; } std::unique_ptr outerEffect(GrRRectEffect::Make(outerEdgeType, *outer)); if (!outerEffect) { return false; } paint.addCoverageFragmentProcessor(std::move(innerEffect)); paint.addCoverageFragmentProcessor(std::move(outerEffect)); SkRect bounds = outer->getBounds(); if (GrAAType::kCoverage == aaType) { bounds.outset(SK_ScalarHalf, SK_ScalarHalf); } this->fillRectWithLocalMatrix(clip, std::move(paint), GrAA::kNo, SkMatrix::I(), bounds, inverseVM); return true; } void GrRenderTargetContext::drawDRRect(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRRect& outer, const SkRRect& inner) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawDRRect", fContext); SkASSERT(!outer.isEmpty()); SkASSERT(!inner.isEmpty()); AutoCheckFlush acf(this->drawingManager()); if (this->drawFilledDRRect(clip, std::move(paint), aa, viewMatrix, outer, inner)) { return; } SkPath path; path.setIsVolatile(true); path.addRRect(inner); path.addRRect(outer); path.setFillType(SkPath::kEvenOdd_FillType); this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, GrStyle::SimpleFill()); } /////////////////////////////////////////////////////////////////////////////// void GrRenderTargetContext::drawRegion(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRegion& region, const GrStyle& style, const GrUserStencilSettings* ss) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawRegion", fContext); if (GrAA::kYes == aa) { // GrRegionOp performs no antialiasing but is much faster, so here we check the matrix // to see whether aa is really required. if (!SkToBool(viewMatrix.getType() & ~(SkMatrix::kTranslate_Mask)) && SkScalarIsInt(viewMatrix.getTranslateX()) && SkScalarIsInt(viewMatrix.getTranslateY())) { aa = GrAA::kNo; } } bool complexStyle = !style.isSimpleFill(); if (complexStyle || GrAA::kYes == aa) { SkPath path; region.getBoundaryPath(&path); return this->drawPath(clip, std::move(paint), aa, viewMatrix, path, style); } GrAAType aaType = this->chooseAAType(GrAA::kNo, GrAllowMixedSamples::kNo); std::unique_ptr op = GrRegionOp::Make(std::move(paint), viewMatrix, region, aaType, ss); this->addDrawOp(clip, std::move(op)); } void GrRenderTargetContext::drawOval(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& oval, const GrStyle& style) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawOval", fContext); if (oval.isEmpty()) { return; } SkASSERT(!style.pathEffect()); // this should've been devolved to a path in SkGpuDevice AutoCheckFlush acf(this->drawingManager()); const SkStrokeRec& stroke = style.strokeRec(); if (GrCaps::InstancedSupport::kNone != fContext->caps()->instancedSupport() && stroke.isFillStyle()) { gr_instanced::OpAllocator* oa = this->drawingManager()->instancingAllocator(); std::unique_ptr op( oa->recordOval(oval, viewMatrix, std::move(paint), aa, fInstancedPipelineInfo)); if (op) { this->addDrawOp(clip, std::move(op)); return; } } GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage == aaType) { const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps(); std::unique_ptr op = GrOvalOpFactory::MakeOvalOp(std::move(paint), viewMatrix, oval, stroke, shaderCaps); if (op) { this->addDrawOp(clip, std::move(op)); return; } } SkPath path; path.setIsVolatile(true); path.addOval(oval); this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, style); } void GrRenderTargetContext::drawArc(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, bool useCenter, const GrStyle& style) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawArc", fContext); AutoCheckFlush acf(this->drawingManager()); GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage == aaType) { const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps(); std::unique_ptr op = GrOvalOpFactory::MakeArcOp(std::move(paint), viewMatrix, oval, startAngle, sweepAngle, useCenter, style, shaderCaps); if (op) { this->addDrawOp(clip, std::move(op)); return; } } SkPath path; SkPathPriv::CreateDrawArcPath(&path, oval, startAngle, sweepAngle, useCenter, style.isSimpleFill()); this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, style); } void GrRenderTargetContext::drawImageLattice(const GrClip& clip, GrPaint&& paint, const SkMatrix& viewMatrix, int imageWidth, int imageHeight, std::unique_ptr iter, const SkRect& dst) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "drawImageLattice", fContext); AutoCheckFlush acf(this->drawingManager()); std::unique_ptr op = GrLatticeOp::MakeNonAA(std::move(paint), viewMatrix, imageWidth, imageHeight, std::move(iter), dst); this->addDrawOp(clip, std::move(op)); } GrSemaphoresSubmitted GrRenderTargetContext::prepareForExternalIO( int numSemaphores, GrBackendSemaphore backendSemaphores[]) { ASSERT_SINGLE_OWNER if (this->drawingManager()->wasAbandoned()) { return GrSemaphoresSubmitted::kNo; } SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "prepareForExternalIO", fContext); return this->drawingManager()->prepareSurfaceForExternalIO(fRenderTargetProxy.get(), numSemaphores, backendSemaphores); } bool GrRenderTargetContext::waitOnSemaphores(int numSemaphores, const GrBackendSemaphore* waitSemaphores) { ASSERT_SINGLE_OWNER RETURN_FALSE_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "waitOnSemaphores", fContext); AutoCheckFlush acf(this->drawingManager()); if (numSemaphores && !this->caps()->fenceSyncSupport()) { return false; } SkTArray> semaphores(numSemaphores); for (int i = 0; i < numSemaphores; ++i) { sk_sp sema = fContext->resourceProvider()->wrapBackendSemaphore( waitSemaphores[i], kAdopt_GrWrapOwnership); std::unique_ptr waitOp(GrSemaphoreOp::MakeWait(sema, fRenderTargetProxy.get())); this->getRTOpList()->addOp(std::move(waitOp), *this->caps()); } return true; } void GrRenderTargetContext::insertEventMarker(const SkString& str) { std::unique_ptr op(GrDebugMarkerOp::Make(fRenderTargetProxy.get(), str)); this->getRTOpList()->addOp(std::move(op), *this->caps()); } // Can 'path' be drawn as a pair of filled nested rectangles? static bool fills_as_nested_rects(const SkMatrix& viewMatrix, const SkPath& path, SkRect rects[2]) { if (path.isInverseFillType()) { return false; } // TODO: this restriction could be lifted if we were willing to apply // the matrix to all the points individually rather than just to the rect if (!viewMatrix.rectStaysRect()) { return false; } SkPath::Direction dirs[2]; if (!path.isNestedFillRects(rects, dirs)) { return false; } if (SkPath::kWinding_FillType == path.getFillType() && dirs[0] == dirs[1]) { // The two rects need to be wound opposite to each other return false; } // Right now, nested rects where the margin is not the same width // all around do not render correctly const SkScalar* outer = rects[0].asScalars(); const SkScalar* inner = rects[1].asScalars(); bool allEq = true; SkScalar margin = SkScalarAbs(outer[0] - inner[0]); bool allGoE1 = margin >= SK_Scalar1; for (int i = 1; i < 4; ++i) { SkScalar temp = SkScalarAbs(outer[i] - inner[i]); if (temp < SK_Scalar1) { allGoE1 = false; } if (!SkScalarNearlyEqual(margin, temp)) { allEq = false; } } return allEq || allGoE1; } void GrRenderTargetContext::drawPath(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkPath& path, const GrStyle& style) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "drawPath", fContext); if (path.isEmpty()) { if (path.isInverseFillType()) { this->drawPaint(clip, std::move(paint), viewMatrix); } return; } AutoCheckFlush acf(this->drawingManager()); GrAAType aaType = this->chooseAAType(aa, GrAllowMixedSamples::kNo); if (GrAAType::kCoverage == aaType && !style.pathEffect()) { if (style.isSimpleFill() && !path.isConvex()) { // Concave AA paths are expensive - try to avoid them for special cases SkRect rects[2]; if (fills_as_nested_rects(viewMatrix, path, rects)) { std::unique_ptr op = GrRectOpFactory::MakeAAFillNestedRects(std::move(paint), viewMatrix, rects); if (op) { this->addDrawOp(clip, std::move(op)); } // A null return indicates that there is nothing to draw in this case. return; } } SkRect ovalRect; bool isOval = path.isOval(&ovalRect); if (isOval && !path.isInverseFillType()) { const GrShaderCaps* shaderCaps = fContext->caps()->shaderCaps(); std::unique_ptr op = GrOvalOpFactory::MakeOvalOp( std::move(paint), viewMatrix, ovalRect, style.strokeRec(), shaderCaps); if (op) { this->addDrawOp(clip, std::move(op)); return; } } } // Note that internalDrawPath may sw-rasterize the path into a scratch texture. // Scratch textures can be recycled after they are returned to the texture // cache. This presents a potential hazard for buffered drawing. However, // the writePixels that uploads to the scratch will perform a flush so we're // OK. this->internalDrawPath(clip, std::move(paint), aa, viewMatrix, path, style); } bool GrRenderTargetContextPriv::drawAndStencilPath(const GrClip& clip, const GrUserStencilSettings* ss, SkRegion::Op op, bool invert, GrAA aa, const SkMatrix& viewMatrix, const SkPath& path) { ASSERT_SINGLE_OWNER_PRIV RETURN_FALSE_IF_ABANDONED_PRIV SkDEBUGCODE(fRenderTargetContext->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContextPriv", "drawAndStencilPath", fRenderTargetContext->fContext); if (path.isEmpty() && path.isInverseFillType()) { this->drawAndStencilRect(clip, ss, op, invert, GrAA::kNo, SkMatrix::I(), SkRect::MakeIWH(fRenderTargetContext->width(), fRenderTargetContext->height())); return true; } AutoCheckFlush acf(fRenderTargetContext->drawingManager()); // An Assumption here is that path renderer would use some form of tweaking // the src color (either the input alpha or in the frag shader) to implement // aa. If we have some future driver-mojo path AA that can do the right // thing WRT to the blend then we'll need some query on the PR. GrAAType aaType = fRenderTargetContext->chooseAAType(aa, GrAllowMixedSamples::kNo); bool hasUserStencilSettings = !ss->isUnused(); GrShape shape(path, GrStyle::SimpleFill()); GrPathRenderer::CanDrawPathArgs canDrawArgs; canDrawArgs.fCaps = fRenderTargetContext->drawingManager()->getContext()->caps(); canDrawArgs.fViewMatrix = &viewMatrix; canDrawArgs.fShape = &shape; canDrawArgs.fAAType = aaType; canDrawArgs.fHasUserStencilSettings = hasUserStencilSettings; // Don't allow the SW renderer GrPathRenderer* pr = fRenderTargetContext->drawingManager()->getPathRenderer( canDrawArgs, false, GrPathRendererChain::DrawType::kStencilAndColor); if (!pr) { return false; } GrPaint paint; paint.setCoverageSetOpXPFactory(op, invert); GrPathRenderer::DrawPathArgs args{ fRenderTargetContext->drawingManager()->getContext(), std::move(paint), ss, fRenderTargetContext, &clip, &viewMatrix, &shape, aaType, fRenderTargetContext->isGammaCorrect()}; pr->drawPath(args); return true; } SkBudgeted GrRenderTargetContextPriv::isBudgeted() const { ASSERT_SINGLE_OWNER_PRIV if (fRenderTargetContext->wasAbandoned()) { return SkBudgeted::kNo; } SkDEBUGCODE(fRenderTargetContext->validate();) return fRenderTargetContext->fRenderTargetProxy->isBudgeted(); } void GrRenderTargetContext::internalDrawPath(const GrClip& clip, GrPaint&& paint, GrAA aa, const SkMatrix& viewMatrix, const SkPath& path, const GrStyle& style) { ASSERT_SINGLE_OWNER RETURN_IF_ABANDONED GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "internalDrawPath", fContext); SkASSERT(!path.isEmpty()); GrShape shape; // NVPR cannot handle hairlines, so this would get picked up by a different stencil and // cover path renderer (i.e. default path renderer). The hairline renderer produces much // smoother hairlines than MSAA. GrAllowMixedSamples allowMixedSamples = style.isSimpleHairline() ? GrAllowMixedSamples::kNo : GrAllowMixedSamples::kYes; GrAAType aaType = this->chooseAAType(aa, allowMixedSamples); GrPathRenderer::CanDrawPathArgs canDrawArgs; canDrawArgs.fCaps = this->drawingManager()->getContext()->caps(); canDrawArgs.fViewMatrix = &viewMatrix; canDrawArgs.fShape = &shape; canDrawArgs.fHasUserStencilSettings = false; GrPathRenderer* pr; static constexpr GrPathRendererChain::DrawType kType = GrPathRendererChain::DrawType::kColor; do { shape = GrShape(path, style); if (shape.isEmpty() && !shape.inverseFilled()) { return; } canDrawArgs.fAAType = aaType; // Try a 1st time without applying any of the style to the geometry (and barring sw) pr = this->drawingManager()->getPathRenderer(canDrawArgs, false, kType); SkScalar styleScale = GrStyle::MatrixToScaleFactor(viewMatrix); if (!pr && shape.style().pathEffect()) { // It didn't work above, so try again with the path effect applied. shape = shape.applyStyle(GrStyle::Apply::kPathEffectOnly, styleScale); if (shape.isEmpty()) { return; } pr = this->drawingManager()->getPathRenderer(canDrawArgs, false, kType); } if (!pr) { if (shape.style().applies()) { shape = shape.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, styleScale); if (shape.isEmpty()) { return; } } // This time, allow SW renderer pr = this->drawingManager()->getPathRenderer(canDrawArgs, true, kType); } if (!pr && GrAATypeIsHW(aaType)) { // There are exceptional cases where we may wind up falling back to coverage based AA // when the target is MSAA (e.g. through disabling path renderers via GrContextOptions). aaType = GrAAType::kCoverage; } else { break; } } while(true); if (!pr) { #ifdef SK_DEBUG SkDebugf("Unable to find path renderer compatible with path.\n"); #endif return; } GrPathRenderer::DrawPathArgs args{this->drawingManager()->getContext(), std::move(paint), &GrUserStencilSettings::kUnused, this, &clip, &viewMatrix, &shape, aaType, this->isGammaCorrect()}; pr->drawPath(args); } 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; } } } } uint32_t GrRenderTargetContext::addDrawOp(const GrClip& clip, std::unique_ptr op) { ASSERT_SINGLE_OWNER if (this->drawingManager()->wasAbandoned()) { return SK_InvalidUniqueID; } SkDEBUGCODE(this->validate();) GR_CREATE_TRACE_MARKER_CONTEXT("GrRenderTargetContext", "addDrawOp", fContext); // Setup clip SkRect bounds; op_bounds(&bounds, op.get()); GrAppliedClip appliedClip; GrDrawOp::FixedFunctionFlags fixedFunctionFlags = op->fixedFunctionFlags(); if (!clip.apply(fContext, this, fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesHWAA, fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesStencil, &appliedClip, &bounds)) { return SK_InvalidUniqueID; } if (fixedFunctionFlags & GrDrawOp::FixedFunctionFlags::kUsesStencil || appliedClip.hasStencilClip()) { this->getOpList()->setStencilLoadOp(GrLoadOp::kClear); this->setNeedsStencil(); } GrXferProcessor::DstProxy dstProxy; if (op->finalize(*this->caps(), &appliedClip) == GrDrawOp::RequiresDstTexture::kYes) { if (!this->setupDstProxy(this->asRenderTargetProxy(), clip, op->bounds(), &dstProxy)) { return SK_InvalidUniqueID; } } op->setClippedBounds(bounds); return this->getRTOpList()->addOp(std::move(op), *this->caps(), std::move(appliedClip), dstProxy); } bool GrRenderTargetContext::setupDstProxy(GrRenderTargetProxy* rtProxy, const GrClip& clip, const SkRect& opBounds, GrXferProcessor::DstProxy* dstProxy) { if (this->caps()->textureBarrierSupport()) { if (GrTextureProxy* texProxy = rtProxy->asTextureProxy()) { // 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. dstProxy->setProxy(sk_ref_sp(texProxy)); dstProxy->setOffset(0, 0); return true; } } SkIRect copyRect = SkIRect::MakeWH(rtProxy->width(), rtProxy->height()); SkIRect clippedRect; clip.getConservativeBounds(rtProxy->width(), rtProxy->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(), "setupDstTexture: Missed an early reject bailing on draw."); #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; bool rectsMustMatch = false; bool disallowSubrect = false; if (!this->caps()->initDescForDstCopy(rtProxy, &desc, &rectsMustMatch, &disallowSubrect)) { desc.fFlags = kRenderTarget_GrSurfaceFlag; desc.fOrigin = kBottomLeft_GrSurfaceOrigin; desc.fConfig = rtProxy->config(); } if (!disallowSubrect) { copyRect = clippedRect; } SkIPoint dstPoint, dstOffset; SkBackingFit fit; if (rectsMustMatch) { SkASSERT(desc.fOrigin == rtProxy->origin()); desc.fWidth = rtProxy->width(); desc.fHeight = rtProxy->height(); dstPoint = {copyRect.fLeft, copyRect.fTop}; dstOffset = {0, 0}; fit = SkBackingFit::kExact; } else { desc.fWidth = copyRect.width(); desc.fHeight = copyRect.height(); dstPoint = {0, 0}; dstOffset = {copyRect.fLeft, copyRect.fTop}; fit = SkBackingFit::kApprox; } sk_sp sContext = fContext->contextPriv().makeDeferredSurfaceContext( desc, fit, SkBudgeted::kYes); if (!sContext) { SkDebugf("setupDstTexture: surfaceContext creation failed.\n"); return false; } if (!sContext->copy(rtProxy, copyRect, dstPoint)) { SkDebugf("setupDstTexture: copy failed.\n"); return false; } dstProxy->setProxy(sContext->asTextureProxyRef()); dstProxy->setOffset(dstOffset); return true; }