diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/gpu/GrBatchTest.cpp | 2 | ||||
-rw-r--r-- | src/gpu/batches/GrAAFillRectBatch.cpp | 295 | ||||
-rw-r--r-- | src/gpu/batches/GrAAFillRectBatch.h | 6 |
3 files changed, 219 insertions, 84 deletions
diff --git a/src/gpu/GrBatchTest.cpp b/src/gpu/GrBatchTest.cpp index 420d61fbec..181f0e684a 100644 --- a/src/gpu/GrBatchTest.cpp +++ b/src/gpu/GrBatchTest.cpp @@ -14,6 +14,7 @@ BATCH_TEST_EXTERN(AAConvexPathBatch); BATCH_TEST_EXTERN(AADistanceFieldPathBatch); BATCH_TEST_EXTERN(AAFillRectBatch); +BATCH_TEST_EXTERN(AAFillRectBatchLocalMatrix); BATCH_TEST_EXTERN(AAHairlineBatch); BATCH_TEST_EXTERN(AAStrokeRectBatch); BATCH_TEST_EXTERN(DashBatch); @@ -32,6 +33,7 @@ static BatchTestFunc gTestBatches[] = { BATCH_TEST_ENTRY(AAConvexPathBatch), BATCH_TEST_ENTRY(AADistanceFieldPathBatch), BATCH_TEST_ENTRY(AAFillRectBatch), + BATCH_TEST_ENTRY(AAFillRectBatchLocalMatrix), BATCH_TEST_ENTRY(AAHairlineBatch), BATCH_TEST_ENTRY(AAStrokeRectBatch), BATCH_TEST_ENTRY(DashBatch), diff --git a/src/gpu/batches/GrAAFillRectBatch.cpp b/src/gpu/batches/GrAAFillRectBatch.cpp index 441e72af8b..c9eeed3075 100644 --- a/src/gpu/batches/GrAAFillRectBatch.cpp +++ b/src/gpu/batches/GrAAFillRectBatch.cpp @@ -24,42 +24,30 @@ static void set_inset_fan(SkPoint* pts, size_t stride, r.fRight - dx, r.fBottom - dy, stride); } -static const GrGeometryProcessor* create_fill_rect_gp(bool tweakAlphaForCoverage, - const SkMatrix& viewMatrix, - bool usesLocalCoords, - bool coverageIgnored) { - using namespace GrDefaultGeoProcFactory; - - Color color(Color::kAttribute_Type); - Coverage::Type coverageType; - // TODO remove coverage if coverage is ignored - /*if (coverageIgnored) { - coverageType = Coverage::kNone_Type; - } else*/ if (tweakAlphaForCoverage) { - coverageType = Coverage::kSolid_Type; - } else { - coverageType = Coverage::kAttribute_Type; - } - Coverage coverage(coverageType); - LocalCoords localCoords(usesLocalCoords ? LocalCoords::kUsePosition_Type : - LocalCoords::kUnused_Type); - return CreateForDeviceSpace(color, coverage, localCoords, viewMatrix); -} - +/* + * AAFillRectBatch is templated to optionally allow the insertion of an additional + * attribute for explicit local coordinates. + * To use this template, an implementation must define the following static functions: + * A Geometry struct + * + * bool CanCombineLocalCoords(const SkMatrix& mine, const SkMatrix& theirs, + * bool usesLocalCoords) + * + * GrDefaultGeoProcFactory::LocalCoords::Type LocalCoordsType() + * + * bool StrideCheck(size_t vertexStride, bool canTweakAlphaForCoverage, + * bool usesLocalCoords) + * + * void FillInAttributes(intptr_t startVertex, size_t vertexStride, + * SkPoint* fan0Position, const Geometry&) + */ +template <typename Base> class AAFillRectBatch : public GrBatch { public: - struct Geometry { - GrColor fColor; - SkMatrix fViewMatrix; - SkRect fRect; - SkRect fDevRect; - }; + typedef typename Base::Geometry Geometry; - static GrBatch* Create(GrColor color, - const SkMatrix& viewMatrix, - const SkRect& rect, - const SkRect& devRect) { - return SkNEW_ARGS(AAFillRectBatch, (color, viewMatrix, rect, devRect)); + static AAFillRectBatch* Create() { + return SkNEW(AAFillRectBatch); } const char* name() const override { return "AAFillRectBatch"; } @@ -91,10 +79,11 @@ public: void generateGeometry(GrBatchTarget* batchTarget) override { bool canTweakAlphaForCoverage = this->canTweakAlphaForCoverage(); - SkAutoTUnref<const GrGeometryProcessor> gp(create_fill_rect_gp(canTweakAlphaForCoverage, - this->viewMatrix(), - this->usesLocalCoords(), - this->coverageIgnored())); + SkAutoTUnref<const GrGeometryProcessor> gp(CreateFillRectGP(canTweakAlphaForCoverage, + this->viewMatrix(), + this->usesLocalCoords(), + Base::LocalCoordsType(), + this->coverageIgnored())); if (!gp) { SkDebugf("Couldn't create GrGeometryProcessor\n"); return; @@ -103,9 +92,8 @@ public: batchTarget->initDraw(gp, this->pipeline()); size_t vertexStride = gp->getVertexStride(); - SkASSERT(canTweakAlphaForCoverage ? - vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAttr) : - vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCoverageAttr)); + SkASSERT(Base::StrideCheck(vertexStride, canTweakAlphaForCoverage, + this->usesLocalCoords())); int instanceCount = fGeoData.count(); SkAutoTUnref<const GrIndexBuffer> indexBuffer(this->getIndexBuffer( @@ -120,14 +108,10 @@ public: } for (int i = 0; i < instanceCount; i++) { - const Geometry& args = fGeoData[i]; this->generateAAFillRectGeometry(vertices, i * kVertsPerAAFillRect * vertexStride, vertexStride, - args.fColor, - args.fViewMatrix, - args.fRect, - args.fDevRect, + fGeoData[i], canTweakAlphaForCoverage); } helper.issueDraw(batchTarget); @@ -135,17 +119,22 @@ public: SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } + // to avoid even the initial copy of the struct, we have a getter for the first item which + // is used to seed the batch with its initial geometry. After seeding, the client should call + // init() so the Batch can initialize itself + Geometry* geometry() { return &fGeoData[0]; } + void init() { + const Geometry& geo = fGeoData[0]; + this->setBounds(geo.fDevRect); + } + + private: - AAFillRectBatch(GrColor color, const SkMatrix& viewMatrix, const SkRect& rect, - const SkRect& devRect) { - this->initClassID<AAFillRectBatch>(); - Geometry& geometry = fGeoData.push_back(); - geometry.fRect = rect; - geometry.fViewMatrix = viewMatrix; - geometry.fDevRect = devRect; - geometry.fColor = color; - - this->setBounds(geometry.fDevRect); + AAFillRectBatch() { + this->initClassID<AAFillRectBatch<Base>>(); + + // Push back an initial geometry + fGeoData.push_back(); } static const int kNumAAFillRectsInIndexBuffer = 256; @@ -182,12 +171,8 @@ private: } AAFillRectBatch* that = t->cast<AAFillRectBatch>(); - - SkASSERT(this->usesLocalCoords() == that->usesLocalCoords()); - // We apply the viewmatrix to the rect points on the cpu. However, if the pipeline uses - // local coords then we won't be able to batch. We could actually upload the viewmatrix - // using vertex attributes in these cases, but haven't investigated that - if (this->usesLocalCoords() && !this->viewMatrix().cheapEqualTo(that->viewMatrix())) { + if (!Base::CanCombineLocalCoords(this->viewMatrix(), that->viewMatrix(), + this->usesLocalCoords())) { return false; } @@ -209,27 +194,24 @@ private: void generateAAFillRectGeometry(void* vertices, size_t offset, size_t vertexStride, - GrColor color, - const SkMatrix& viewMatrix, - const SkRect& rect, - const SkRect& devRect, + const Geometry& args, bool tweakAlphaForCoverage) const { intptr_t verts = reinterpret_cast<intptr_t>(vertices) + offset; SkPoint* fan0Pos = reinterpret_cast<SkPoint*>(verts); SkPoint* fan1Pos = reinterpret_cast<SkPoint*>(verts + 4 * vertexStride); - SkScalar inset = SkMinScalar(devRect.width(), SK_Scalar1); - inset = SK_ScalarHalf * SkMinScalar(inset, devRect.height()); + SkScalar inset = SkMinScalar(args.fDevRect.width(), SK_Scalar1); + inset = SK_ScalarHalf * SkMinScalar(inset, args.fDevRect.height()); - if (viewMatrix.rectStaysRect()) { - set_inset_fan(fan0Pos, vertexStride, devRect, -SK_ScalarHalf, -SK_ScalarHalf); - set_inset_fan(fan1Pos, vertexStride, devRect, inset, inset); + if (args.fViewMatrix.rectStaysRect()) { + set_inset_fan(fan0Pos, vertexStride, args.fDevRect, -SK_ScalarHalf, -SK_ScalarHalf); + set_inset_fan(fan1Pos, vertexStride, args.fDevRect, inset, inset); } else { // compute transformed (1, 0) and (0, 1) vectors SkVector vec[2] = { - { viewMatrix[SkMatrix::kMScaleX], viewMatrix[SkMatrix::kMSkewY] }, - { viewMatrix[SkMatrix::kMSkewX], viewMatrix[SkMatrix::kMScaleY] } + { args.fViewMatrix[SkMatrix::kMScaleX], args.fViewMatrix[SkMatrix::kMSkewY] }, + { args.fViewMatrix[SkMatrix::kMSkewX], args.fViewMatrix[SkMatrix::kMScaleY] } }; vec[0].normalize(); @@ -238,9 +220,9 @@ private: vec[1].scale(SK_ScalarHalf); // create the rotated rect - fan0Pos->setRectFan(rect.fLeft, rect.fTop, - rect.fRight, rect.fBottom, vertexStride); - viewMatrix.mapPointsWithStride(fan0Pos, vertexStride, 4); + fan0Pos->setRectFan(args.fRect.fLeft, args.fRect.fTop, + args.fRect.fRight, args.fRect.fBottom, vertexStride); + args.fViewMatrix.mapPointsWithStride(fan0Pos, vertexStride, 4); // Now create the inset points and then outset the original // rotated points @@ -263,6 +245,8 @@ private: *((SkPoint*)((intptr_t)fan0Pos + 3 * vertexStride)) += vec[0] - vec[1]; } + Base::FillInAttributes(verts, vertexStride, fan0Pos, args); + // Make verts point to vertex color and then set all the color and coverage vertex attrs // values. verts += sizeof(SkPoint); @@ -270,7 +254,7 @@ private: if (tweakAlphaForCoverage) { *reinterpret_cast<GrColor*>(verts + i * vertexStride) = 0; } else { - *reinterpret_cast<GrColor*>(verts + i * vertexStride) = color; + *reinterpret_cast<GrColor*>(verts + i * vertexStride) = args.fColor; *reinterpret_cast<float*>(verts + i * vertexStride + sizeof(GrColor)) = 0; } } @@ -286,19 +270,48 @@ private: verts += 4 * vertexStride; float innerCoverage = GrNormalizeByteToFloat(scale); - GrColor scaledColor = (0xff == scale) ? color : SkAlphaMulQ(color, scale); + GrColor scaledColor = (0xff == scale) ? args.fColor : SkAlphaMulQ(args.fColor, scale); for (int i = 0; i < 4; ++i) { if (tweakAlphaForCoverage) { *reinterpret_cast<GrColor*>(verts + i * vertexStride) = scaledColor; } else { - *reinterpret_cast<GrColor*>(verts + i * vertexStride) = color; + *reinterpret_cast<GrColor*>(verts + i * vertexStride) = args.fColor; *reinterpret_cast<float*>(verts + i * vertexStride + sizeof(GrColor)) = innerCoverage; } } } + static const GrGeometryProcessor* CreateFillRectGP( + bool tweakAlphaForCoverage, + const SkMatrix& viewMatrix, + bool usesLocalCoords, + GrDefaultGeoProcFactory::LocalCoords::Type localCoordsType, + bool coverageIgnored) { + using namespace GrDefaultGeoProcFactory; + + Color color(Color::kAttribute_Type); + Coverage::Type coverageType; + // TODO remove coverage if coverage is ignored + /*if (coverageIgnored) { + coverageType = Coverage::kNone_Type; + } else*/ if (tweakAlphaForCoverage) { + coverageType = Coverage::kSolid_Type; + } else { + coverageType = Coverage::kAttribute_Type; + } + Coverage coverage(coverageType); + + // We assume the caller has inverted the viewmatrix + LocalCoords localCoords(usesLocalCoords ? localCoordsType : LocalCoords::kUnused_Type); + if (LocalCoords::kHasExplicit_Type == localCoordsType) { + return GrDefaultGeoProcFactory::Create(color, coverage, localCoords, SkMatrix::I()); + } else { + return CreateForDeviceSpace(color, coverage, localCoords, viewMatrix); + } + } + struct BatchTracker { GrColor fColor; bool fUsesLocalCoords; @@ -311,13 +324,112 @@ private: SkSTArray<1, Geometry, true> fGeoData; }; +class AAFillRectBatchNoLocalMatrixImp { +public: + struct Geometry { + SkMatrix fViewMatrix; + SkRect fRect; + SkRect fDevRect; + GrColor fColor; + }; + + inline static bool CanCombineLocalCoords(const SkMatrix& mine, const SkMatrix& theirs, + bool usesLocalCoords) { + // We apply the viewmatrix to the rect points on the cpu. However, if the pipeline uses + // local coords then we won't be able to batch. We could actually upload the viewmatrix + // using vertex attributes in these cases, but haven't investigated that + return !usesLocalCoords || mine.cheapEqualTo(theirs); + } + + inline static GrDefaultGeoProcFactory::LocalCoords::Type LocalCoordsType() { + return GrDefaultGeoProcFactory::LocalCoords::kUsePosition_Type; + } + + inline static bool StrideCheck(size_t vertexStride, bool canTweakAlphaForCoverage, + bool usesLocalCoords) { + return canTweakAlphaForCoverage ? + vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorAttr) : + vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorCoverageAttr); + } + + inline static void FillInAttributes(intptr_t, size_t, SkPoint*, const Geometry&) {} +}; + +class AAFillRectBatchLocalMatrixImp { +public: + struct Geometry { + SkMatrix fViewMatrix; + SkMatrix fLocalMatrix; + SkRect fRect; + SkRect fDevRect; + GrColor fColor; + }; + + inline static bool CanCombineLocalCoords(const SkMatrix& mine, const SkMatrix& theirs, + bool usesLocalCoords) { + return true; + } + + inline static GrDefaultGeoProcFactory::LocalCoords::Type LocalCoordsType() { + return GrDefaultGeoProcFactory::LocalCoords::kHasExplicit_Type; + } + + inline static bool StrideCheck(size_t vertexStride, bool canTweakAlphaForCoverage, + bool usesLocalCoords) { + // Whomever created us should not have done so if there are no local coords + SkASSERT(usesLocalCoords); + return canTweakAlphaForCoverage ? + vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorLocalCoordAttr) : + vertexStride == sizeof(GrDefaultGeoProcFactory::PositionColorLocalCoordCoverage); + } + + inline static void FillInAttributes(intptr_t vertices, size_t vertexStride, + SkPoint* fan0Pos, const Geometry& args) { + SkMatrix invViewMatrix; + if (!args.fViewMatrix.invert(&invViewMatrix)) { + SkASSERT(false); + invViewMatrix = SkMatrix::I(); + } + SkMatrix localCoordMatrix; + localCoordMatrix.setConcat(args.fLocalMatrix, invViewMatrix); + SkPoint* fan0Loc = reinterpret_cast<SkPoint*>(vertices + vertexStride - sizeof(SkPoint)); + localCoordMatrix.mapPointsWithStride(fan0Loc, fan0Pos, vertexStride, 8); + } +}; + +typedef AAFillRectBatch<AAFillRectBatchNoLocalMatrixImp> AAFillRectBatchNoLocalMatrix; +typedef AAFillRectBatch<AAFillRectBatchLocalMatrixImp> AAFillRectBatchLocalMatrix; + namespace GrAAFillRectBatch { GrBatch* Create(GrColor color, const SkMatrix& viewMatrix, const SkRect& rect, const SkRect& devRect) { - return AAFillRectBatch::Create(color, viewMatrix, rect, devRect); + AAFillRectBatchNoLocalMatrix* batch = AAFillRectBatchNoLocalMatrix::Create(); + AAFillRectBatchNoLocalMatrix::Geometry& geo = *batch->geometry(); + geo.fColor = color; + geo.fViewMatrix = viewMatrix; + geo.fRect = rect; + geo.fDevRect = devRect; + batch->init(); + return batch; +} + +GrBatch* Create(GrColor color, + const SkMatrix& viewMatrix, + const SkMatrix& localMatrix, + const SkRect& rect, + const SkRect& devRect) { + AAFillRectBatchLocalMatrix* batch = AAFillRectBatchLocalMatrix::Create(); + AAFillRectBatchLocalMatrix::Geometry& geo = *batch->geometry(); + geo.fColor = color; + geo.fViewMatrix = viewMatrix; + geo.fLocalMatrix = localMatrix; + geo.fRect = rect; + geo.fDevRect = devRect; + batch->init(); + return batch; } }; @@ -329,11 +441,26 @@ GrBatch* Create(GrColor color, #include "GrBatchTest.h" BATCH_TEST_DEFINE(AAFillRectBatch) { - GrColor color = GrRandomColor(random); - SkMatrix viewMatrix = GrTest::TestMatrix(random); - SkRect rect = GrTest::TestRect(random); - SkRect devRect = GrTest::TestRect(random); - return AAFillRectBatch::Create(color, viewMatrix, rect, devRect); + AAFillRectBatchNoLocalMatrix* batch = AAFillRectBatchNoLocalMatrix::Create(); + AAFillRectBatchNoLocalMatrix::Geometry& geo = *batch->geometry(); + geo.fColor = GrRandomColor(random); + geo.fViewMatrix = GrTest::TestMatrix(random); + geo.fRect = GrTest::TestRect(random); + geo.fDevRect = GrTest::TestRect(random); + batch->init(); + return batch; +} + +BATCH_TEST_DEFINE(AAFillRectBatchLocalMatrix) { + AAFillRectBatchLocalMatrix* batch = AAFillRectBatchLocalMatrix::Create(); + AAFillRectBatchLocalMatrix::Geometry& geo = *batch->geometry(); + geo.fColor = GrRandomColor(random); + geo.fViewMatrix = GrTest::TestMatrix(random); + geo.fLocalMatrix = GrTest::TestMatrix(random); + geo.fRect = GrTest::TestRect(random); + geo.fDevRect = GrTest::TestRect(random); + batch->init(); + return batch; } #endif diff --git a/src/gpu/batches/GrAAFillRectBatch.h b/src/gpu/batches/GrAAFillRectBatch.h index 9344695f09..3fc1e3480c 100644 --- a/src/gpu/batches/GrAAFillRectBatch.h +++ b/src/gpu/batches/GrAAFillRectBatch.h @@ -19,6 +19,12 @@ GrBatch* Create(GrColor color, const SkMatrix& viewMatrix, const SkRect& rect, const SkRect& devRect); + +GrBatch* Create(GrColor color, + const SkMatrix& viewMatrix, + const SkMatrix& localMatrix, + const SkRect& rect, + const SkRect& devRect); }; #endif |