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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 "GrOvalRenderer.h" | 8 #include "GrOvalRenderer.h" |
9 | 9 |
10 #include "GrBatchFlushState.h" | 10 #include "GrBatchFlushState.h" |
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132 fragBuilder->codeAppendf("float distanceToEdge = %s.z * (1.0 - d);",
v.fsIn()); | 132 fragBuilder->codeAppendf("float distanceToEdge = %s.z * (1.0 - d);",
v.fsIn()); |
133 fragBuilder->codeAppendf("float edgeAlpha = clamp(distanceToEdge, 0.
0, 1.0);"); | 133 fragBuilder->codeAppendf("float edgeAlpha = clamp(distanceToEdge, 0.
0, 1.0);"); |
134 if (cgp.fStroke) { | 134 if (cgp.fStroke) { |
135 fragBuilder->codeAppendf("float innerAlpha = clamp(%s.z * (d - %
s.w), 0.0, 1.0);", | 135 fragBuilder->codeAppendf("float innerAlpha = clamp(%s.z * (d - %
s.w), 0.0, 1.0);", |
136 v.fsIn(), v.fsIn()); | 136 v.fsIn(), v.fsIn()); |
137 fragBuilder->codeAppend("edgeAlpha *= innerAlpha;"); | 137 fragBuilder->codeAppend("edgeAlpha *= innerAlpha;"); |
138 } | 138 } |
139 | 139 |
140 if (args.fDistanceVectorName) { | 140 if (args.fDistanceVectorName) { |
141 fragBuilder->codeAppend ("if (d == 0.0) {"); // if on the center
of the circle | 141 fragBuilder->codeAppend ("if (d == 0.0) {"); // if on the center
of the circle |
142 fragBuilder->codeAppendf(" %s = vec2(distanceToEdge, 0.0);",
// avoid normalizing | 142 fragBuilder->codeAppendf(" %s = vec3(1.0, 0.0, distanceToEdge
);", // no normalize |
143 args.fDistanceVectorName); | 143 args.fDistanceVectorName); |
144 fragBuilder->codeAppend ("} else {"); | 144 fragBuilder->codeAppend ("} else {"); |
145 fragBuilder->codeAppendf(" %s = normalize(%s.xy) * distanceTo
Edge;", | 145 fragBuilder->codeAppendf(" %s = vec3(normalize(%s.xy), distan
ceToEdge);", |
146 args.fDistanceVectorName, v.fsIn()); | 146 args.fDistanceVectorName, v.fsIn()); |
147 fragBuilder->codeAppend ("}"); | 147 fragBuilder->codeAppend ("}"); |
148 } | 148 } |
149 | 149 |
150 fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCovera
ge); | 150 fragBuilder->codeAppendf("%s = vec4(edgeAlpha);", args.fOutputCovera
ge); |
151 } | 151 } |
152 | 152 |
153 static void GenKey(const GrGeometryProcessor& gp, | 153 static void GenKey(const GrGeometryProcessor& gp, |
154 const GrGLSLCaps&, | 154 const GrGLSLCaps&, |
155 GrProcessorKeyBuilder* b) { | 155 GrProcessorKeyBuilder* b) { |
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1706 } | 1706 } |
1707 | 1707 |
1708 DRAW_BATCH_TEST_DEFINE(RRectBatch) { | 1708 DRAW_BATCH_TEST_DEFINE(RRectBatch) { |
1709 SkMatrix viewMatrix = GrTest::TestMatrixRectStaysRect(random); | 1709 SkMatrix viewMatrix = GrTest::TestMatrixRectStaysRect(random); |
1710 GrColor color = GrRandomColor(random); | 1710 GrColor color = GrRandomColor(random); |
1711 const SkRRect& rrect = GrTest::TestRRectSimple(random); | 1711 const SkRRect& rrect = GrTest::TestRRectSimple(random); |
1712 return create_rrect_batch(color, viewMatrix, rrect, GrTest::TestStrokeRec(ra
ndom)); | 1712 return create_rrect_batch(color, viewMatrix, rrect, GrTest::TestStrokeRec(ra
ndom)); |
1713 } | 1713 } |
1714 | 1714 |
1715 #endif | 1715 #endif |
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