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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 "effects/GrCircleEdgeEffect.h" | 10 #include "effects/GrCircleEdgeEffect.h" |
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78 SkScalar radius = vm.mapRadius(SkScalarHalf(circle.width())); | 78 SkScalar radius = vm.mapRadius(SkScalarHalf(circle.width())); |
79 SkScalar strokeWidth = vm.mapRadius(stroke.getWidth()); | 79 SkScalar strokeWidth = vm.mapRadius(stroke.getWidth()); |
80 | 80 |
81 GrDrawState::AutoDeviceCoordDraw adcd(drawState); | 81 GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
82 if (!adcd.succeeded()) { | 82 if (!adcd.succeeded()) { |
83 return; | 83 return; |
84 } | 84 } |
85 | 85 |
86 // position + edge | 86 // position + edge |
87 static const GrVertexAttrib kVertexAttribs[] = { | 87 static const GrVertexAttrib kVertexAttribs[] = { |
88 {kVec2f_GrVertexAttribType, 0}, | 88 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
89 {kVec4f_GrVertexAttribType, sizeof(GrPoint)} | 89 {kVec4f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBindi
ng} |
90 }; | 90 }; |
91 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); | 91 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); |
92 drawState->setAttribIndex(GrDrawState::kPosition_AttribIndex, 0); | |
93 GrAssert(sizeof(CircleVertex) == drawState->getVertexSize()); | 92 GrAssert(sizeof(CircleVertex) == drawState->getVertexSize()); |
94 | 93 |
95 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); | 94 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); |
96 if (!geo.succeeded()) { | 95 if (!geo.succeeded()) { |
97 GrPrintf("Failed to get space for vertices!\n"); | 96 GrPrintf("Failed to get space for vertices!\n"); |
98 return; | 97 return; |
99 } | 98 } |
100 | 99 |
101 CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); | 100 CircleVertex* verts = reinterpret_cast<CircleVertex*>(geo.vertices()); |
102 | 101 |
103 SkStrokeRec::Style style = stroke.getStyle(); | 102 SkStrokeRec::Style style = stroke.getStyle(); |
104 bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairl
ine_Style == style); | 103 bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairl
ine_Style == style); |
105 enum { | 104 enum { |
106 // the edge effects share this stage with glyph rendering | 105 // the edge effects share this stage with glyph rendering |
107 // (kGlyphMaskStage in GrTextContext) && SW path rendering | 106 // (kGlyphMaskStage in GrTextContext) && SW path rendering |
108 // (kPathMaskStage in GrSWMaskHelper) | 107 // (kPathMaskStage in GrSWMaskHelper) |
109 kEdgeEffectStage = GrPaint::kTotalStages, | 108 kEdgeEffectStage = GrPaint::kTotalStages, |
110 }; | 109 }; |
111 drawState->setAttribBindings(GrDrawState::kDefault_AttribBindings); | |
112 | 110 |
113 GrEffectRef* effect = GrCircleEdgeEffect::Create(isStroked); | 111 GrEffectRef* effect = GrCircleEdgeEffect::Create(isStroked); |
114 static const int kCircleEdgeAttrIndex = 1; | 112 static const int kCircleEdgeAttrIndex = 1; |
115 drawState->setEffect(kEdgeEffectStage, effect, kCircleEdgeAttrIndex)->unref(
); | 113 drawState->setEffect(kEdgeEffectStage, effect, kCircleEdgeAttrIndex)->unref(
); |
116 | 114 |
117 SkScalar innerRadius = 0.0f; | 115 SkScalar innerRadius = 0.0f; |
118 SkScalar outerRadius = radius; | 116 SkScalar outerRadius = radius; |
119 SkScalar halfWidth = 0; | 117 SkScalar halfWidth = 0; |
120 if (style != SkStrokeRec::kFill_Style) { | 118 if (style != SkStrokeRec::kFill_Style) { |
121 if (SkScalarNearlyZero(strokeWidth)) { | 119 if (SkScalarNearlyZero(strokeWidth)) { |
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173 SkRect xformedRect; | 171 SkRect xformedRect; |
174 vm.mapRect(&xformedRect, ellipse); | 172 vm.mapRect(&xformedRect, ellipse); |
175 | 173 |
176 GrDrawState::AutoDeviceCoordDraw adcd(drawState); | 174 GrDrawState::AutoDeviceCoordDraw adcd(drawState); |
177 if (!adcd.succeeded()) { | 175 if (!adcd.succeeded()) { |
178 return; | 176 return; |
179 } | 177 } |
180 | 178 |
181 // position + edge | 179 // position + edge |
182 static const GrVertexAttrib kVertexAttribs[] = { | 180 static const GrVertexAttrib kVertexAttribs[] = { |
183 {kVec2f_GrVertexAttribType, 0}, | 181 {kVec2f_GrVertexAttribType, 0, kPosition_GrVertexAttribBinding}, |
184 {kVec2f_GrVertexAttribType, sizeof(GrPoint)}, | 182 {kVec2f_GrVertexAttribType, sizeof(GrPoint), kEffect_GrVertexAttribBindi
ng}, |
185 {kVec4f_GrVertexAttribType, 2*sizeof(GrPoint)} | 183 {kVec4f_GrVertexAttribType, 2*sizeof(GrPoint), kEffect_GrVertexAttribBin
ding} |
186 }; | 184 }; |
187 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); | 185 drawState->setVertexAttribs(kVertexAttribs, SK_ARRAY_COUNT(kVertexAttribs)); |
188 drawState->setAttribIndex(GrDrawState::kPosition_AttribIndex, 0); | |
189 GrAssert(sizeof(EllipseVertex) == drawState->getVertexSize()); | 186 GrAssert(sizeof(EllipseVertex) == drawState->getVertexSize()); |
190 | 187 |
191 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); | 188 GrDrawTarget::AutoReleaseGeometry geo(target, 4, 0); |
192 if (!geo.succeeded()) { | 189 if (!geo.succeeded()) { |
193 GrPrintf("Failed to get space for vertices!\n"); | 190 GrPrintf("Failed to get space for vertices!\n"); |
194 return; | 191 return; |
195 } | 192 } |
196 | 193 |
197 EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(geo.vertices()); | 194 EllipseVertex* verts = reinterpret_cast<EllipseVertex*>(geo.vertices()); |
198 | 195 |
199 SkStrokeRec::Style style = stroke.getStyle(); | 196 SkStrokeRec::Style style = stroke.getStyle(); |
200 bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairl
ine_Style == style); | 197 bool isStroked = (SkStrokeRec::kStroke_Style == style || SkStrokeRec::kHairl
ine_Style == style); |
201 enum { | 198 enum { |
202 // the edge effects share this stage with glyph rendering | 199 // the edge effects share this stage with glyph rendering |
203 // (kGlyphMaskStage in GrTextContext) && SW path rendering | 200 // (kGlyphMaskStage in GrTextContext) && SW path rendering |
204 // (kPathMaskStage in GrSWMaskHelper) | 201 // (kPathMaskStage in GrSWMaskHelper) |
205 kEdgeEffectStage = GrPaint::kTotalStages, | 202 kEdgeEffectStage = GrPaint::kTotalStages, |
206 }; | 203 }; |
207 drawState->setAttribBindings(GrDrawState::kDefault_AttribBindings); | |
208 | 204 |
209 GrEffectRef* effect = GrEllipseEdgeEffect::Create(isStroked); | 205 GrEffectRef* effect = GrEllipseEdgeEffect::Create(isStroked); |
210 static const int kEllipseCenterAttrIndex = 1; | 206 static const int kEllipseCenterAttrIndex = 1; |
211 static const int kEllipseEdgeAttrIndex = 2; | 207 static const int kEllipseEdgeAttrIndex = 2; |
212 drawState->setEffect(kEdgeEffectStage, effect, | 208 drawState->setEffect(kEdgeEffectStage, effect, |
213 kEllipseCenterAttrIndex, kEllipseEdgeAttrIndex)->unref(
); | 209 kEllipseCenterAttrIndex, kEllipseEdgeAttrIndex)->unref(
); |
214 | 210 |
215 SkScalar xRadius = SkScalarHalf(xformedRect.width()); | 211 SkScalar xRadius = SkScalarHalf(xformedRect.width()); |
216 SkScalar yRadius = SkScalarHalf(xformedRect.height()); | 212 SkScalar yRadius = SkScalarHalf(xformedRect.height()); |
217 SkScalar innerXRadius = 0.0f; | 213 SkScalar innerXRadius = 0.0f; |
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265 T += center.fY - SK_ScalarHalf; | 261 T += center.fY - SK_ScalarHalf; |
266 B += center.fY + SK_ScalarHalf; | 262 B += center.fY + SK_ScalarHalf; |
267 | 263 |
268 verts[0].fPos = SkPoint::Make(L, T); | 264 verts[0].fPos = SkPoint::Make(L, T); |
269 verts[1].fPos = SkPoint::Make(R, T); | 265 verts[1].fPos = SkPoint::Make(R, T); |
270 verts[2].fPos = SkPoint::Make(L, B); | 266 verts[2].fPos = SkPoint::Make(L, B); |
271 verts[3].fPos = SkPoint::Make(R, B); | 267 verts[3].fPos = SkPoint::Make(R, B); |
272 | 268 |
273 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4); | 269 target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4); |
274 } | 270 } |
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