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Side by Side Diff: src/gpu/batches/GrPLSPathRenderer.cpp

Issue 1694403003: Modify interface to GrPathUtils::convertCubicToQuads (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: whitespace Created 4 years, 10 months ago
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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 #include "GrPLSPathRenderer.h" 8 #include "GrPLSPathRenderer.h"
9 9
10 #include "SkChunkAlloc.h" 10 #include "SkChunkAlloc.h"
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138 SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance; 138 SkScalar screenSpaceTol = GrPathUtils::kDefaultTolerance;
139 SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, m, bounds); 139 SkScalar tol = GrPathUtils::scaleToleranceToSrc(screenSpaceTol, m, bounds);
140 int contourCnt; 140 int contourCnt;
141 int maxPts = GrPathUtils::worstCasePointCount(path, &contourCnt, tol); 141 int maxPts = GrPathUtils::worstCasePointCount(path, &contourCnt, tol);
142 if (maxPts <= 0) { 142 if (maxPts <= 0) {
143 return 0; 143 return 0;
144 } 144 }
145 SkPath linesOnlyPath; 145 SkPath linesOnlyPath;
146 linesOnlyPath.setFillType(path.getFillType()); 146 linesOnlyPath.setFillType(path.getFillType());
147 SkSTArray<15, SkPoint, true> quadPoints; 147 SkSTArray<15, SkPoint, true> quadPoints;
148 SkPathPriv::FirstDirection dir = SkPathPriv::FirstDirection::kUnknown_FirstD irection;
149 SkPath::Iter iter(path, true); 148 SkPath::Iter iter(path, true);
150 bool done = false; 149 bool done = false;
151 while (!done) { 150 while (!done) {
152 SkPoint pts[4]; 151 SkPoint pts[4];
153 SkPath::Verb verb = iter.next(pts); 152 SkPath::Verb verb = iter.next(pts);
154 switch (verb) { 153 switch (verb) {
155 case SkPath::kMove_Verb: 154 case SkPath::kMove_Verb:
156 SkASSERT(quadPoints.count() % 3 == 0); 155 SkASSERT(quadPoints.count() % 3 == 0);
157 for (int i = 0; i < quadPoints.count(); i += 3) { 156 for (int i = 0; i < quadPoints.count(); i += 3) {
158 add_quad(&quadPoints[i], quadVertices); 157 add_quad(&quadPoints[i], quadVertices);
159 } 158 }
160 quadPoints.reset(); 159 quadPoints.reset();
161 m.mapPoints(&pts[0], 1); 160 m.mapPoints(&pts[0], 1);
162 linesOnlyPath.moveTo(pts[0]); 161 linesOnlyPath.moveTo(pts[0]);
163 break; 162 break;
164 case SkPath::kLine_Verb: 163 case SkPath::kLine_Verb:
165 m.mapPoints(&pts[1], 1); 164 m.mapPoints(&pts[1], 1);
166 linesOnlyPath.lineTo(pts[1]); 165 linesOnlyPath.lineTo(pts[1]);
167 break; 166 break;
168 case SkPath::kQuad_Verb: 167 case SkPath::kQuad_Verb:
169 m.mapPoints(pts, 3); 168 m.mapPoints(pts, 3);
170 linesOnlyPath.lineTo(pts[2]); 169 linesOnlyPath.lineTo(pts[2]);
171 quadPoints.push_back(pts[0]); 170 quadPoints.push_back(pts[0]);
172 quadPoints.push_back(pts[1]); 171 quadPoints.push_back(pts[1]);
173 quadPoints.push_back(pts[2]); 172 quadPoints.push_back(pts[2]);
174 break; 173 break;
175 case SkPath::kCubic_Verb: { 174 case SkPath::kCubic_Verb: {
176 m.mapPoints(pts, 4); 175 m.mapPoints(pts, 4);
177 SkSTArray<15, SkPoint, true> quads; 176 SkSTArray<15, SkPoint, true> quads;
178 GrPathUtils::convertCubicToQuads(pts, kCubicTolerance, false, di r, &quads); 177 GrPathUtils::convertCubicToQuads(pts, kCubicTolerance, &quads);
179 int count = quads.count(); 178 int count = quads.count();
180 for (int q = 0; q < count; q += 3) { 179 for (int q = 0; q < count; q += 3) {
181 linesOnlyPath.lineTo(quads[q + 2]); 180 linesOnlyPath.lineTo(quads[q + 2]);
182 quadPoints.push_back(quads[q]); 181 quadPoints.push_back(quads[q]);
183 quadPoints.push_back(quads[q + 1]); 182 quadPoints.push_back(quads[q + 1]);
184 quadPoints.push_back(quads[q + 2]); 183 quadPoints.push_back(quads[q + 2]);
185 } 184 }
186 break; 185 break;
187 } 186 }
188 case SkPath::kConic_Verb: { 187 case SkPath::kConic_Verb: {
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1003 DRAW_BATCH_TEST_DEFINE(PLSPathBatch) { 1002 DRAW_BATCH_TEST_DEFINE(PLSPathBatch) {
1004 PLSPathBatch::Geometry geometry; 1003 PLSPathBatch::Geometry geometry;
1005 geometry.fColor = GrRandomColor(random); 1004 geometry.fColor = GrRandomColor(random);
1006 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random); 1005 geometry.fViewMatrix = GrTest::TestMatrixInvertible(random);
1007 geometry.fPath = GrTest::TestPathConvex(random); 1006 geometry.fPath = GrTest::TestPathConvex(random);
1008 1007
1009 return PLSPathBatch::Create(geometry); 1008 return PLSPathBatch::Create(geometry);
1010 } 1009 }
1011 1010
1012 #endif 1011 #endif
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