| OLD | NEW |
| 1 /* | 1 /* |
| 2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 | 7 |
| 8 #ifndef GrStrokeRectBatch_DEFINED | 8 #ifndef GrStrokeRectBatch_DEFINED |
| 9 #define GrStrokeRectBatch_DEFINED | 9 #define GrStrokeRectBatch_DEFINED |
| 10 | 10 |
| (...skipping 18 matching lines...) Expand all Loading... |
| 29 | 29 |
| 30 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { | 30 void getInvariantOutputColor(GrInitInvariantOutput* out) const override { |
| 31 // When this is called on a batch, there is only one geometry bundle | 31 // When this is called on a batch, there is only one geometry bundle |
| 32 out->setKnownFourComponents(fGeoData[0].fColor); | 32 out->setKnownFourComponents(fGeoData[0].fColor); |
| 33 } | 33 } |
| 34 | 34 |
| 35 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { | 35 void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override { |
| 36 out->setKnownSingleComponent(0xff); | 36 out->setKnownSingleComponent(0xff); |
| 37 } | 37 } |
| 38 | 38 |
| 39 void initBatchTracker(const GrPipelineInfo& init) override { | 39 void initBatchTracker(const GrPipelineInfo& init) override; |
| 40 // Handle any color overrides | |
| 41 if (!init.readsColor()) { | |
| 42 fGeoData[0].fColor = GrColor_ILLEGAL; | |
| 43 } | |
| 44 init.getOverrideColorIfSet(&fGeoData[0].fColor); | |
| 45 | 40 |
| 46 // setup batch properties | 41 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline
) override; |
| 47 fBatch.fColorIgnored = !init.readsColor(); | |
| 48 fBatch.fColor = fGeoData[0].fColor; | |
| 49 fBatch.fUsesLocalCoords = init.readsLocalCoords(); | |
| 50 fBatch.fCoverageIgnored = !init.readsCoverage(); | |
| 51 } | |
| 52 | |
| 53 void generateGeometry(GrBatchTarget* batchTarget, const GrPipeline* pipeline
) override { | |
| 54 SkAutoTUnref<const GrGeometryProcessor> gp; | |
| 55 { | |
| 56 using namespace GrDefaultGeoProcFactory; | |
| 57 Color color(this->color()); | |
| 58 Coverage coverage(this->coverageIgnored() ? Coverage::kSolid_Type : | |
| 59 Coverage::kNone_Type); | |
| 60 LocalCoords localCoords(this->usesLocalCoords() ? LocalCoords::kUseP
osition_Type : | |
| 61 LocalCoords::kUnus
ed_Type); | |
| 62 gp.reset(GrDefaultGeoProcFactory::Create(color, coverage, localCoord
s, | |
| 63 this->viewMatrix())); | |
| 64 } | |
| 65 | |
| 66 batchTarget->initDraw(gp, pipeline); | |
| 67 | |
| 68 size_t vertexStride = gp->getVertexStride(); | |
| 69 | |
| 70 SkASSERT(vertexStride == sizeof(GrDefaultGeoProcFactory::PositionAttr)); | |
| 71 | |
| 72 Geometry& args = fGeoData[0]; | |
| 73 | |
| 74 int vertexCount = kVertsPerHairlineRect; | |
| 75 if (args.fStrokeWidth > 0) { | |
| 76 vertexCount = kVertsPerStrokeRect; | |
| 77 } | |
| 78 | |
| 79 const GrVertexBuffer* vertexBuffer; | |
| 80 int firstVertex; | |
| 81 | |
| 82 void* verts = batchTarget->makeVertSpace(vertexStride, vertexCount, | |
| 83 &vertexBuffer, &firstVertex); | |
| 84 | |
| 85 if (!verts) { | |
| 86 SkDebugf("Could not allocate vertices\n"); | |
| 87 return; | |
| 88 } | |
| 89 | |
| 90 SkPoint* vertex = reinterpret_cast<SkPoint*>(verts); | |
| 91 | |
| 92 GrPrimitiveType primType; | |
| 93 | |
| 94 if (args.fStrokeWidth > 0) {; | |
| 95 primType = kTriangleStrip_GrPrimitiveType; | |
| 96 args.fRect.sort(); | |
| 97 this->setStrokeRectStrip(vertex, args.fRect, args.fStrokeWidth); | |
| 98 } else { | |
| 99 // hairline | |
| 100 primType = kLineStrip_GrPrimitiveType; | |
| 101 vertex[0].set(args.fRect.fLeft, args.fRect.fTop); | |
| 102 vertex[1].set(args.fRect.fRight, args.fRect.fTop); | |
| 103 vertex[2].set(args.fRect.fRight, args.fRect.fBottom); | |
| 104 vertex[3].set(args.fRect.fLeft, args.fRect.fBottom); | |
| 105 vertex[4].set(args.fRect.fLeft, args.fRect.fTop); | |
| 106 } | |
| 107 | |
| 108 GrVertices vertices; | |
| 109 vertices.init(primType, vertexBuffer, firstVertex, vertexCount); | |
| 110 batchTarget->draw(vertices); | |
| 111 } | |
| 112 | |
| 113 SkSTArray<1, Geometry, true>* geoData() { return &fGeoData; } | |
| 114 | 42 |
| 115 private: | 43 private: |
| 116 GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters) { | 44 GrStrokeRectBatch(const Geometry& geometry, bool snapToPixelCenters); |
| 117 this->initClassID<GrStrokeRectBatch>(); | |
| 118 | |
| 119 fBatch.fHairline = geometry.fStrokeWidth == 0; | |
| 120 | |
| 121 fGeoData.push_back(geometry); | |
| 122 | |
| 123 // setup bounds | |
| 124 fBounds = geometry.fRect; | |
| 125 SkScalar rad = SkScalarHalf(geometry.fStrokeWidth); | |
| 126 fBounds.outset(rad, rad); | |
| 127 geometry.fViewMatrix.mapRect(&fBounds); | |
| 128 | |
| 129 // If our caller snaps to pixel centers then we have to round out the bo
unds | |
| 130 if (snapToPixelCenters) { | |
| 131 fBounds.roundOut(); | |
| 132 } | |
| 133 } | |
| 134 | |
| 135 /* create a triangle strip that strokes the specified rect. There are 8 | |
| 136 unique vertices, but we repeat the last 2 to close up. Alternatively we | |
| 137 could use an indices array, and then only send 8 verts, but not sure that | |
| 138 would be faster. | |
| 139 */ | |
| 140 void setStrokeRectStrip(SkPoint verts[10], const SkRect& rect, SkScalar widt
h) { | |
| 141 const SkScalar rad = SkScalarHalf(width); | |
| 142 // TODO we should be able to enable this assert, but we'd have to filter
these draws | |
| 143 // this is a bug | |
| 144 //SkASSERT(rad < rect.width() / 2 && rad < rect.height() / 2); | |
| 145 | |
| 146 verts[0].set(rect.fLeft + rad, rect.fTop + rad); | |
| 147 verts[1].set(rect.fLeft - rad, rect.fTop - rad); | |
| 148 verts[2].set(rect.fRight - rad, rect.fTop + rad); | |
| 149 verts[3].set(rect.fRight + rad, rect.fTop - rad); | |
| 150 verts[4].set(rect.fRight - rad, rect.fBottom - rad); | |
| 151 verts[5].set(rect.fRight + rad, rect.fBottom + rad); | |
| 152 verts[6].set(rect.fLeft + rad, rect.fBottom - rad); | |
| 153 verts[7].set(rect.fLeft - rad, rect.fBottom + rad); | |
| 154 verts[8] = verts[0]; | |
| 155 verts[9] = verts[1]; | |
| 156 } | |
| 157 | |
| 158 | 45 |
| 159 GrColor color() const { return fBatch.fColor; } | 46 GrColor color() const { return fBatch.fColor; } |
| 160 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } | 47 bool usesLocalCoords() const { return fBatch.fUsesLocalCoords; } |
| 161 bool colorIgnored() const { return fBatch.fColorIgnored; } | 48 bool colorIgnored() const { return fBatch.fColorIgnored; } |
| 162 const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } | 49 const SkMatrix& viewMatrix() const { return fGeoData[0].fViewMatrix; } |
| 163 bool hairline() const { return fBatch.fHairline; } | 50 bool hairline() const { return fBatch.fHairline; } |
| 164 bool coverageIgnored() const { return fBatch.fCoverageIgnored; } | 51 bool coverageIgnored() const { return fBatch.fCoverageIgnored; } |
| 165 | 52 |
| 166 bool onCombineIfPossible(GrBatch* t) override { | 53 bool onCombineIfPossible(GrBatch* t) override { |
| 167 //if (!this->pipeline()->isEqual(*t->pipeline())) { | 54 //if (!this->pipeline()->isEqual(*t->pipeline())) { |
| (...skipping 15 matching lines...) Expand all Loading... |
| 183 }; | 70 }; |
| 184 | 71 |
| 185 const static int kVertsPerHairlineRect = 5; | 72 const static int kVertsPerHairlineRect = 5; |
| 186 const static int kVertsPerStrokeRect = 10; | 73 const static int kVertsPerStrokeRect = 10; |
| 187 | 74 |
| 188 BatchTracker fBatch; | 75 BatchTracker fBatch; |
| 189 SkSTArray<1, Geometry, true> fGeoData; | 76 SkSTArray<1, Geometry, true> fGeoData; |
| 190 }; | 77 }; |
| 191 | 78 |
| 192 #endif | 79 #endif |
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