| Index: src/gpu/effects/GrDashingEffect.cpp
|
| diff --git a/src/gpu/effects/GrDashingEffect.cpp b/src/gpu/effects/GrDashingEffect.cpp
|
| index a64cf5b1304f8482bff5231f293ea022dce7aa90..cf729c177e02344209854fd8a5ac1b7264270b3a 100644
|
| --- a/src/gpu/effects/GrDashingEffect.cpp
|
| +++ b/src/gpu/effects/GrDashingEffect.cpp
|
| @@ -31,10 +31,6 @@
|
| static bool can_fast_path_dash(const SkPoint pts[2], const GrStrokeInfo& strokeInfo,
|
| const GrDrawTarget& target, const GrPipelineBuilder& pipelineBuilder,
|
| const SkMatrix& viewMatrix) {
|
| - if (pipelineBuilder.getRenderTarget()->isMultisampled()) {
|
| - return false;
|
| - }
|
| -
|
| // Pts must be either horizontal or vertical in src space
|
| if (pts[0].fX != pts[1].fX && pts[0].fY != pts[1].fY) {
|
| return false;
|
| @@ -78,6 +74,14 @@ struct DashCircleVertex {
|
| SkScalar fRadius;
|
| SkScalar fCenterX;
|
| };
|
| +
|
| +enum DashAAMode {
|
| + kBW_DashAAMode,
|
| + kEdgeAA_DashAAMode,
|
| + kMSAA_DashAAMode,
|
| +
|
| + kDashAAModeCount,
|
| +};
|
| };
|
|
|
| static void calc_dash_scaling(SkScalar* parallelScale, SkScalar* perpScale,
|
| @@ -157,11 +161,12 @@ static int kDashVertices = 4;
|
|
|
| template <typename T>
|
| void setup_dashed_rect_common(const SkRect& rect, const SkMatrix& matrix, T* vertices, int idx,
|
| - SkScalar offset, SkScalar bloat, SkScalar len, SkScalar stroke) {
|
| - SkScalar startDashX = offset - bloat;
|
| - SkScalar endDashX = offset + len + bloat;
|
| - SkScalar startDashY = -stroke - bloat;
|
| - SkScalar endDashY = stroke + bloat;
|
| + SkScalar offset, SkScalar bloatX, SkScalar bloatY, SkScalar len,
|
| + SkScalar stroke) {
|
| + SkScalar startDashX = offset - bloatX;
|
| + SkScalar endDashX = offset + len + bloatX;
|
| + SkScalar startDashY = -stroke - bloatY;
|
| + SkScalar endDashY = stroke + bloatY;
|
| vertices[idx].fDashPos = SkPoint::Make(startDashX , startDashY);
|
| vertices[idx + 1].fDashPos = SkPoint::Make(startDashX, endDashY);
|
| vertices[idx + 2].fDashPos = SkPoint::Make(endDashX, endDashY);
|
| @@ -176,18 +181,18 @@ void setup_dashed_rect_common(const SkRect& rect, const SkMatrix& matrix, T* ver
|
| }
|
|
|
| static void setup_dashed_rect(const SkRect& rect, void* vertices, int idx,
|
| - const SkMatrix& matrix, SkScalar offset, SkScalar bloat,
|
| - SkScalar len, SkScalar stroke, SkScalar startInterval,
|
| - SkScalar endInterval, SkScalar strokeWidth, DashCap cap,
|
| - const size_t vertexStride) {
|
| + const SkMatrix& matrix, SkScalar offset, SkScalar bloatX,
|
| + SkScalar bloatY, SkScalar len, SkScalar stroke,
|
| + SkScalar startInterval, SkScalar endInterval, SkScalar strokeWidth,
|
| + DashCap cap, const size_t vertexStride) {
|
| SkScalar intervalLength = startInterval + endInterval;
|
|
|
| if (kRound_DashCap == cap) {
|
| SkASSERT(vertexStride == sizeof(DashCircleVertex));
|
| DashCircleVertex* verts = reinterpret_cast<DashCircleVertex*>(vertices);
|
|
|
| - setup_dashed_rect_common<DashCircleVertex>(rect, matrix, verts, idx, offset, bloat, len,
|
| - stroke);
|
| + setup_dashed_rect_common<DashCircleVertex>(rect, matrix, verts, idx, offset, bloatX,
|
| + bloatY, len, stroke);
|
|
|
| SkScalar radius = SkScalarHalf(strokeWidth) - 0.5f;
|
| SkScalar centerX = SkScalarHalf(endInterval);
|
| @@ -202,8 +207,8 @@ static void setup_dashed_rect(const SkRect& rect, void* vertices, int idx,
|
| SkASSERT(kNonRound_DashCap == cap && vertexStride == sizeof(DashLineVertex));
|
| DashLineVertex* verts = reinterpret_cast<DashLineVertex*>(vertices);
|
|
|
| - setup_dashed_rect_common<DashLineVertex>(rect, matrix, verts, idx, offset, bloat, len,
|
| - stroke);
|
| + setup_dashed_rect_common<DashLineVertex>(rect, matrix, verts, idx, offset, bloatX,
|
| + bloatY, len, stroke);
|
|
|
| SkScalar halfOffLen = SkScalarHalf(endInterval);
|
| SkScalar halfStroke = SkScalarHalf(strokeWidth);
|
| @@ -234,7 +239,7 @@ static void setup_dashed_rect_pos(const SkRect& rect, int idx, const SkMatrix& m
|
| * position relative to the dashed line.
|
| */
|
| static GrGeometryProcessor* create_dash_gp(GrColor,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| DashCap cap,
|
| const SkMatrix& localMatrix);
|
|
|
| @@ -253,8 +258,8 @@ public:
|
| SkDEBUGCODE(SkRect fDevBounds;)
|
| };
|
|
|
| - static GrBatch* Create(const Geometry& geometry, SkPaint::Cap cap, bool useAA, bool fullDash) {
|
| - return SkNEW_ARGS(DashBatch, (geometry, cap, useAA, fullDash));
|
| + static GrBatch* Create(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, bool fullDash) {
|
| + return SkNEW_ARGS(DashBatch, (geometry, cap, aaMode, fullDash));
|
| }
|
|
|
| const char* name() const override { return "DashBatch"; }
|
| @@ -287,7 +292,8 @@ public:
|
| SkScalar fStrokeWidth;
|
| SkScalar fLineLength;
|
| SkScalar fHalfDevStroke;
|
| - SkScalar fDevBloat;
|
| + SkScalar fDevBloatX;
|
| + SkScalar fDevBloatY;
|
| bool fLineDone;
|
| bool fHasStartRect;
|
| bool fHasEndRect;
|
| @@ -309,9 +315,7 @@ public:
|
| bool isRoundCap = SkPaint::kRound_Cap == cap;
|
| DashCap capType = isRoundCap ? kRound_DashCap : kNonRound_DashCap;
|
| if (this->fullDash()) {
|
| - GrPrimitiveEdgeType edgeType = this->useAA() ? kFillAA_GrProcessorEdgeType :
|
| - kFillBW_GrProcessorEdgeType;
|
| - gp.reset(create_dash_gp(this->color(), edgeType, capType, invert));
|
| + gp.reset(create_dash_gp(this->color(), this->aaMode(), capType, invert));
|
| } else {
|
| // Set up the vertex data for the line and start/end dashes
|
| gp.reset(GrDefaultGeoProcFactory::Create(GrDefaultGeoProcFactory::kPosition_GPType,
|
| @@ -330,7 +334,8 @@ public:
|
| init.fUsesLocalCoords = this->usesLocalCoords();
|
| gp->initBatchTracker(batchTarget->currentBatchTracker(), init);
|
|
|
| - bool useAA = this->useAA();
|
| + // useAA here means Edge AA or MSAA
|
| + bool useAA = this->aaMode() != kBW_DashAAMode;
|
| bool fullDash = this->fullDash();
|
|
|
| // We do two passes over all of the dashes. First we setup the start, end, and bounds,
|
| @@ -444,7 +449,7 @@ public:
|
| SkScalar devPhase = args.fPhase * args.fParallelScale;
|
| SkScalar strokeWidth = args.fSrcStrokeWidth * args.fPerpendicularScale;
|
|
|
| - if ((strokeWidth < 1.f && !useAA) || 0.f == strokeWidth) {
|
| + if ((strokeWidth < 1.f && useAA) || 0.f == strokeWidth) {
|
| strokeWidth = 1.f;
|
| }
|
|
|
| @@ -457,10 +462,14 @@ public:
|
| }
|
| SkScalar startOffset = devIntervals[1] * 0.5f + devPhase;
|
|
|
| - SkScalar bloatX = useAA ? 0.5f / args.fParallelScale : 0.f;
|
| - SkScalar bloatY = useAA ? 0.5f / args.fPerpendicularScale : 0.f;
|
| + // For EdgeAA, we bloat in X & Y for both square and round caps.
|
| + // For MSAA, we don't bloat at all for square caps, and bloat in Y only for round caps.
|
| + SkScalar devBloatX = this->aaMode() == kEdgeAA_DashAAMode ? 0.5f : 0.0f;
|
| + SkScalar devBloatY = (SkPaint::kRound_Cap == cap && this->aaMode() == kMSAA_DashAAMode)
|
| + ? 0.5f : devBloatX;
|
|
|
| - SkScalar devBloat = useAA ? 0.5f : 0.f;
|
| + SkScalar bloatX = devBloatX / args.fParallelScale;
|
| + SkScalar bloatY = devBloatY / args.fPerpendicularScale;
|
|
|
| if (devIntervals[1] <= 0.f && useAA) {
|
| // Case when we end up drawing a solid AA rect
|
| @@ -519,7 +528,8 @@ public:
|
| }
|
|
|
| draw.fStartOffset = startOffset;
|
| - draw.fDevBloat = devBloat;
|
| + draw.fDevBloatX = devBloatX;
|
| + draw.fDevBloatY = devBloatY;
|
| draw.fHalfDevStroke = halfDevStroke;
|
| draw.fStrokeWidth = strokeWidth;
|
| draw.fHasStartRect = hasStartRect;
|
| @@ -549,9 +559,10 @@ public:
|
| if (!draws[i].fLineDone) {
|
| if (fullDash) {
|
| setup_dashed_rect(rects[rectIndex], vertices, curVIdx, args.fSrcRotInv,
|
| - draws[i].fStartOffset, draws[i].fDevBloat,
|
| - draws[i].fLineLength, draws[i].fHalfDevStroke,
|
| - args.fIntervals[0], args.fIntervals[1], draws[i].fStrokeWidth,
|
| + draws[i].fStartOffset, draws[i].fDevBloatX,
|
| + draws[i].fDevBloatY, draws[i].fLineLength,
|
| + draws[i].fHalfDevStroke, args.fIntervals[0],
|
| + args.fIntervals[1], draws[i].fStrokeWidth,
|
| capType, gp->getVertexStride());
|
| } else {
|
| SkPoint* verts = reinterpret_cast<SkPoint*>(vertices);
|
| @@ -565,7 +576,8 @@ public:
|
| if (draws[i].fHasStartRect) {
|
| if (fullDash) {
|
| setup_dashed_rect(rects[rectIndex], vertices, curVIdx, args.fSrcRotInv,
|
| - draws[i].fStartOffset, draws[i].fDevBloat, args.fIntervals[0],
|
| + draws[i].fStartOffset, draws[i].fDevBloatX,
|
| + draws[i].fDevBloatY, args.fIntervals[0],
|
| draws[i].fHalfDevStroke, args.fIntervals[0],
|
| args.fIntervals[1], draws[i].fStrokeWidth, capType,
|
| gp->getVertexStride());
|
| @@ -582,7 +594,8 @@ public:
|
| if (draws[i].fHasEndRect) {
|
| if (fullDash) {
|
| setup_dashed_rect(rects[rectIndex], vertices, curVIdx, args.fSrcRotInv,
|
| - draws[i].fStartOffset, draws[i].fDevBloat, args.fIntervals[0],
|
| + draws[i].fStartOffset, draws[i].fDevBloatX,
|
| + draws[i].fDevBloatY, args.fIntervals[0],
|
| draws[i].fHalfDevStroke, args.fIntervals[0],
|
| args.fIntervals[1], draws[i].fStrokeWidth, capType,
|
| gp->getVertexStride());
|
| @@ -624,11 +637,11 @@ public:
|
| SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; }
|
|
|
| private:
|
| - DashBatch(const Geometry& geometry, SkPaint::Cap cap, bool useAA, bool fullDash) {
|
| + DashBatch(const Geometry& geometry, SkPaint::Cap cap, DashAAMode aaMode, bool fullDash) {
|
| this->initClassID<DashBatch>();
|
| fGeoData.push_back(geometry);
|
|
|
| - fBatch.fUseAA = useAA;
|
| + fBatch.fAAMode = aaMode;
|
| fBatch.fCap = cap;
|
| fBatch.fFullDash = fullDash;
|
| }
|
| @@ -636,7 +649,7 @@ private:
|
| bool onCombineIfPossible(GrBatch* t) override {
|
| DashBatch* that = t->cast<DashBatch>();
|
|
|
| - if (this->useAA() != that->useAA()) {
|
| + if (this->aaMode() != that->aaMode()) {
|
| return false;
|
| }
|
|
|
| @@ -665,7 +678,7 @@ private:
|
| GrColor color() const { return fBatch.fColor; }
|
| bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; }
|
| const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; }
|
| - bool useAA() const { return fBatch.fUseAA; }
|
| + DashAAMode aaMode() const { return fBatch.fAAMode; }
|
| bool fullDash() const { return fBatch.fFullDash; }
|
| SkPaint::Cap cap() const { return fBatch.fCap; }
|
|
|
| @@ -675,7 +688,7 @@ private:
|
| bool fColorIgnored;
|
| bool fCoverageIgnored;
|
| SkPaint::Cap fCap;
|
| - bool fUseAA;
|
| + DashAAMode fAAMode;
|
| bool fFullDash;
|
| };
|
|
|
| @@ -730,9 +743,12 @@ bool GrDashingEffect::DrawDashLine(GrGpu* gpu, GrDrawTarget* target,
|
| offInterval -= strokeWidth;
|
| }
|
|
|
| - bool useAA = paint.isAntiAlias();
|
| + DashAAMode aaMode = pipelineBuilder->getRenderTarget()->isMultisampled() ? kMSAA_DashAAMode :
|
| + paint.isAntiAlias() ? kEdgeAA_DashAAMode :
|
| + kBW_DashAAMode;
|
| +
|
| // TODO we can do a real rect call if not using fulldash(ie no off interval, not using AA)
|
| - bool fullDash = offInterval > 0.f || useAA;
|
| + bool fullDash = offInterval > 0.f || aaMode != kBW_DashAAMode;
|
|
|
| geometry.fColor = color;
|
| geometry.fViewMatrix = viewMatrix;
|
| @@ -740,7 +756,7 @@ bool GrDashingEffect::DrawDashLine(GrGpu* gpu, GrDrawTarget* target,
|
| geometry.fIntervals[0] = info.fIntervals[0];
|
| geometry.fIntervals[1] = info.fIntervals[1];
|
|
|
| - SkAutoTUnref<GrBatch> batch(DashBatch::Create(geometry, cap, useAA, fullDash));
|
| + SkAutoTUnref<GrBatch> batch(DashBatch::Create(geometry, cap, aaMode, fullDash));
|
| target->drawBatch(pipelineBuilder, batch);
|
|
|
| return true;
|
| @@ -770,7 +786,7 @@ public:
|
| typedef SkPathEffect::DashInfo DashInfo;
|
|
|
| static GrGeometryProcessor* Create(GrColor,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix);
|
|
|
| virtual ~DashingCircleEffect();
|
| @@ -783,7 +799,7 @@ public:
|
|
|
| const Attribute* inCircleParams() const { return fInCircleParams; }
|
|
|
| - GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
|
| + DashAAMode aaMode() const { return fAAMode; }
|
|
|
| virtual void getGLProcessorKey(const GrBatchTracker&,
|
| const GrGLCaps&,
|
| @@ -799,13 +815,13 @@ public:
|
| const GrBatchTracker&) const override;
|
|
|
| private:
|
| - DashingCircleEffect(GrColor, GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix);
|
| + DashingCircleEffect(GrColor, DashAAMode aaMode, const SkMatrix& localMatrix);
|
|
|
| bool onIsEqual(const GrGeometryProcessor& other) const override;
|
|
|
| void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const override;
|
|
|
| - GrPrimitiveEdgeType fEdgeType;
|
| + DashAAMode fAAMode;
|
| const Attribute* fInPosition;
|
| const Attribute* fInDashParams;
|
| const Attribute* fInCircleParams;
|
| @@ -864,7 +880,7 @@ void GLDashingCircleEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) {
|
| args.fPB->addVarying("DashParam", &dashParams);
|
| vsBuilder->codeAppendf("%s = %s;", dashParams.vsOut(), dce.inDashParams()->fName);
|
|
|
| - // xy, refer to circle radius - 0.5, z refers to cicles center x coord
|
| + // x refers to circle radius - 0.5, y refers to cicle's center x coord
|
| GrGLVertToFrag circleParams(kVec2f_GrSLType);
|
| args.fPB->addVarying("CircleParams", &circleParams);
|
| vsBuilder->codeAppendf("%s = %s;", circleParams.vsOut(), dce.inCircleParams()->fName);
|
| @@ -887,7 +903,7 @@ void GLDashingCircleEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) {
|
| fsBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", dashParams.fsIn());
|
| fsBuilder->codeAppendf("vec2 center = vec2(%s.y, 0.0);", circleParams.fsIn());
|
| fsBuilder->codeAppend("float dist = length(center - fragPosShifted);");
|
| - if (GrProcessorEdgeTypeIsAA(dce.getEdgeType())) {
|
| + if (dce.aaMode() != kBW_DashAAMode) {
|
| fsBuilder->codeAppendf("float diff = dist - %s.x;", circleParams.fsIn());
|
| fsBuilder->codeAppend("diff = 1.0 - diff;");
|
| fsBuilder->codeAppend("float alpha = clamp(diff, 0.0, 1.0);");
|
| @@ -921,16 +937,16 @@ void GLDashingCircleEffect::GenKey(const GrGeometryProcessor& gp,
|
| uint32_t key = 0;
|
| key |= local.fUsesLocalCoords && gp.localMatrix().hasPerspective() ? 0x1 : 0x0;
|
| key |= ComputePosKey(gp.viewMatrix()) << 1;
|
| - key |= dce.getEdgeType() << 8;
|
| + key |= dce.aaMode() << 8;
|
| b->add32(key << 16 | local.fInputColorType);
|
| }
|
|
|
| //////////////////////////////////////////////////////////////////////////////
|
|
|
| GrGeometryProcessor* DashingCircleEffect::Create(GrColor color,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix) {
|
| - return SkNEW_ARGS(DashingCircleEffect, (color, edgeType, localMatrix));
|
| + return SkNEW_ARGS(DashingCircleEffect, (color, aaMode, localMatrix));
|
| }
|
|
|
| DashingCircleEffect::~DashingCircleEffect() {}
|
| @@ -951,9 +967,9 @@ GrGLPrimitiveProcessor* DashingCircleEffect::createGLInstance(const GrBatchTrack
|
| }
|
|
|
| DashingCircleEffect::DashingCircleEffect(GrColor color,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix)
|
| - : INHERITED(color, SkMatrix::I(), localMatrix), fEdgeType(edgeType) {
|
| + : INHERITED(color, SkMatrix::I(), localMatrix), fAAMode(aaMode) {
|
| this->initClassID<DashingCircleEffect>();
|
| fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType));
|
| fInDashParams = &this->addVertexAttrib(Attribute("inDashParams", kVec3f_GrVertexAttribType));
|
| @@ -963,7 +979,7 @@ DashingCircleEffect::DashingCircleEffect(GrColor color,
|
|
|
| bool DashingCircleEffect::onIsEqual(const GrGeometryProcessor& other) const {
|
| const DashingCircleEffect& dce = other.cast<DashingCircleEffect>();
|
| - return fEdgeType == dce.fEdgeType;
|
| + return fAAMode == dce.fAAMode;
|
| }
|
|
|
| void DashingCircleEffect::initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const {
|
| @@ -989,10 +1005,9 @@ GrGeometryProcessor* DashingCircleEffect::TestCreate(SkRandom* random,
|
| GrContext*,
|
| const GrDrawTargetCaps& caps,
|
| GrTexture*[]) {
|
| - GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>(random->nextULessThan(
|
| - kGrProcessorEdgeTypeCnt));
|
| + DashAAMode aaMode = static_cast<DashAAMode>(random->nextULessThan(kDashAAModeCount));
|
| return DashingCircleEffect::Create(GrRandomColor(random),
|
| - edgeType, GrProcessorUnitTest::TestMatrix(random));
|
| + aaMode, GrProcessorUnitTest::TestMatrix(random));
|
| }
|
|
|
| //////////////////////////////////////////////////////////////////////////////
|
| @@ -1019,7 +1034,7 @@ public:
|
| typedef SkPathEffect::DashInfo DashInfo;
|
|
|
| static GrGeometryProcessor* Create(GrColor,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix);
|
|
|
| virtual ~DashingLineEffect();
|
| @@ -1032,7 +1047,7 @@ public:
|
|
|
| const Attribute* inRectParams() const { return fInRectParams; }
|
|
|
| - GrPrimitiveEdgeType getEdgeType() const { return fEdgeType; }
|
| + DashAAMode aaMode() const { return fAAMode; }
|
|
|
| virtual void getGLProcessorKey(const GrBatchTracker& bt,
|
| const GrGLCaps& caps,
|
| @@ -1048,13 +1063,13 @@ public:
|
| const GrBatchTracker&) const override;
|
|
|
| private:
|
| - DashingLineEffect(GrColor, GrPrimitiveEdgeType edgeType, const SkMatrix& localMatrix);
|
| + DashingLineEffect(GrColor, DashAAMode aaMode, const SkMatrix& localMatrix);
|
|
|
| bool onIsEqual(const GrGeometryProcessor& other) const override;
|
|
|
| void onGetInvariantOutputCoverage(GrInitInvariantOutput*) const override;
|
|
|
| - GrPrimitiveEdgeType fEdgeType;
|
| + DashAAMode fAAMode;
|
| const Attribute* fInPosition;
|
| const Attribute* fInDashParams;
|
| const Attribute* fInRectParams;
|
| @@ -1129,7 +1144,7 @@ void GLDashingLineEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) {
|
| inDashParams.fsIn(), inDashParams.fsIn(), inDashParams.fsIn(),
|
| inDashParams.fsIn());
|
| fsBuilder->codeAppendf("vec2 fragPosShifted = vec2(xShifted, %s.y);", inDashParams.fsIn());
|
| - if (GrProcessorEdgeTypeIsAA(de.getEdgeType())) {
|
| + if (de.aaMode() == kEdgeAA_DashAAMode) {
|
| // The amount of coverage removed in x and y by the edges is computed as a pair of negative
|
| // numbers, xSub and ySub.
|
| fsBuilder->codeAppend("float xSub, ySub;");
|
| @@ -1140,6 +1155,14 @@ void GLDashingLineEffect::onEmitCode(EmitArgs& args, GrGPArgs* gpArgs) {
|
| // Now compute coverage in x and y and multiply them to get the fraction of the pixel
|
| // covered.
|
| fsBuilder->codeAppendf("float alpha = (1.0 + max(xSub, -1.0)) * (1.0 + max(ySub, -1.0));");
|
| + } else if (de.aaMode() == kMSAA_DashAAMode) {
|
| + // For MSAA, we don't modulate the alpha by the Y distance, since MSAA coverage will handle
|
| + // AA on the the top and bottom edges. The shader is only responsible for intra-dash alpha.
|
| + fsBuilder->codeAppend("float xSub;");
|
| + fsBuilder->codeAppendf("xSub = min(fragPosShifted.x - %s.x, 0.0);", inRectParams.fsIn());
|
| + fsBuilder->codeAppendf("xSub += min(%s.z - fragPosShifted.x, 0.0);", inRectParams.fsIn());
|
| + // Now compute coverage in x to get the fraction of the pixel covered.
|
| + fsBuilder->codeAppendf("float alpha = (1.0 + max(xSub, -1.0));");
|
| } else {
|
| // Assuming the bounding geometry is tight so no need to check y values
|
| fsBuilder->codeAppendf("float alpha = 1.0;");
|
| @@ -1174,16 +1197,16 @@ void GLDashingLineEffect::GenKey(const GrGeometryProcessor& gp,
|
| uint32_t key = 0;
|
| key |= local.fUsesLocalCoords && gp.localMatrix().hasPerspective() ? 0x1 : 0x0;
|
| key |= ComputePosKey(gp.viewMatrix()) << 1;
|
| - key |= de.getEdgeType() << 8;
|
| + key |= de.aaMode() << 8;
|
| b->add32(key << 16 | local.fInputColorType);
|
| }
|
|
|
| //////////////////////////////////////////////////////////////////////////////
|
|
|
| GrGeometryProcessor* DashingLineEffect::Create(GrColor color,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix) {
|
| - return SkNEW_ARGS(DashingLineEffect, (color, edgeType, localMatrix));
|
| + return SkNEW_ARGS(DashingLineEffect, (color, aaMode, localMatrix));
|
| }
|
|
|
| DashingLineEffect::~DashingLineEffect() {}
|
| @@ -1204,9 +1227,9 @@ GrGLPrimitiveProcessor* DashingLineEffect::createGLInstance(const GrBatchTracker
|
| }
|
|
|
| DashingLineEffect::DashingLineEffect(GrColor color,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode aaMode,
|
| const SkMatrix& localMatrix)
|
| - : INHERITED(color, SkMatrix::I(), localMatrix), fEdgeType(edgeType) {
|
| + : INHERITED(color, SkMatrix::I(), localMatrix), fAAMode(aaMode) {
|
| this->initClassID<DashingLineEffect>();
|
| fInPosition = &this->addVertexAttrib(Attribute("inPosition", kVec2f_GrVertexAttribType));
|
| fInDashParams = &this->addVertexAttrib(Attribute("inDashParams", kVec3f_GrVertexAttribType));
|
| @@ -1215,7 +1238,7 @@ DashingLineEffect::DashingLineEffect(GrColor color,
|
|
|
| bool DashingLineEffect::onIsEqual(const GrGeometryProcessor& other) const {
|
| const DashingLineEffect& de = other.cast<DashingLineEffect>();
|
| - return fEdgeType == de.fEdgeType;
|
| + return fAAMode == de.fAAMode;
|
| }
|
|
|
| void DashingLineEffect::initBatchTracker(GrBatchTracker* bt, const GrPipelineInfo& init) const {
|
| @@ -1241,24 +1264,22 @@ GrGeometryProcessor* DashingLineEffect::TestCreate(SkRandom* random,
|
| GrContext*,
|
| const GrDrawTargetCaps& caps,
|
| GrTexture*[]) {
|
| - GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>(random->nextULessThan(
|
| - kGrProcessorEdgeTypeCnt));
|
| -
|
| + DashAAMode aaMode = static_cast<DashAAMode>(random->nextULessThan(kDashAAModeCount));
|
| return DashingLineEffect::Create(GrRandomColor(random),
|
| - edgeType, GrProcessorUnitTest::TestMatrix(random));
|
| + aaMode, GrProcessorUnitTest::TestMatrix(random));
|
| }
|
|
|
| //////////////////////////////////////////////////////////////////////////////
|
|
|
| static GrGeometryProcessor* create_dash_gp(GrColor color,
|
| - GrPrimitiveEdgeType edgeType,
|
| + DashAAMode dashAAMode,
|
| DashCap cap,
|
| const SkMatrix& localMatrix) {
|
| switch (cap) {
|
| case kRound_DashCap:
|
| - return DashingCircleEffect::Create(color, edgeType, localMatrix);
|
| + return DashingCircleEffect::Create(color, dashAAMode, localMatrix);
|
| case kNonRound_DashCap:
|
| - return DashingLineEffect::Create(color, edgeType, localMatrix);
|
| + return DashingLineEffect::Create(color, dashAAMode, localMatrix);
|
| default:
|
| SkFAIL("Unexpected dashed cap.");
|
| }
|
|
|