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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "GrGLPath.h" | 9 #include "GrGLPath.h" |
10 #include "GrGLPathRendering.h" | 10 #include "GrGLPathRendering.h" |
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81 | 81 |
82 inline void points_to_coords(const SkPoint points[], size_t first_point, size_t
amount, | 82 inline void points_to_coords(const SkPoint points[], size_t first_point, size_t
amount, |
83 GrGLfloat coords[]) { | 83 GrGLfloat coords[]) { |
84 for (size_t i = 0; i < amount; ++i) { | 84 for (size_t i = 0; i < amount; ++i) { |
85 coords[i * 2] = SkScalarToFloat(points[first_point + i].fX); | 85 coords[i * 2] = SkScalarToFloat(points[first_point + i].fX); |
86 coords[i * 2 + 1] = SkScalarToFloat(points[first_point + i].fY); | 86 coords[i * 2 + 1] = SkScalarToFloat(points[first_point + i].fY); |
87 } | 87 } |
88 } | 88 } |
89 } | 89 } |
90 | 90 |
91 static const bool kIsWrapped = false; // The constructor creates the GL path obj
ect. | |
92 | |
93 void GrGLPath::InitPathObject(GrGLGpu* gpu, | 91 void GrGLPath::InitPathObject(GrGLGpu* gpu, |
94 GrGLuint pathID, | 92 GrGLuint pathID, |
95 const SkPath& skPath, | 93 const SkPath& skPath, |
96 const SkStrokeRec& stroke) { | 94 const SkStrokeRec& stroke) { |
97 if (!skPath.isEmpty()) { | 95 if (!skPath.isEmpty()) { |
98 int verbCnt = skPath.countVerbs(); | 96 int verbCnt = skPath.countVerbs(); |
99 int pointCnt = skPath.countPoints(); | 97 int pointCnt = skPath.countPoints(); |
100 int minCoordCnt = pointCnt * 2; | 98 int minCoordCnt = pointCnt * 2; |
101 | 99 |
102 SkSTArray<16, GrGLubyte, true> pathCommands(verbCnt); | 100 SkSTArray<16, GrGLubyte, true> pathCommands(verbCnt); |
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177 GR_GL_CALL(gpu->glInterface(), | 175 GR_GL_CALL(gpu->glInterface(), |
178 PathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarToFloat(strok
e.getMiter()))); | 176 PathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarToFloat(strok
e.getMiter()))); |
179 GrGLenum join = join_to_gl_join(stroke.getJoin()); | 177 GrGLenum join = join_to_gl_join(stroke.getJoin()); |
180 GR_GL_CALL(gpu->glInterface(), PathParameteri(pathID, GR_GL_PATH_JOIN_ST
YLE, join)); | 178 GR_GL_CALL(gpu->glInterface(), PathParameteri(pathID, GR_GL_PATH_JOIN_ST
YLE, join)); |
181 GrGLenum cap = cap_to_gl_cap(stroke.getCap()); | 179 GrGLenum cap = cap_to_gl_cap(stroke.getCap()); |
182 GR_GL_CALL(gpu->glInterface(), PathParameteri(pathID, GR_GL_PATH_END_CAP
S, cap)); | 180 GR_GL_CALL(gpu->glInterface(), PathParameteri(pathID, GR_GL_PATH_END_CAP
S, cap)); |
183 } | 181 } |
184 } | 182 } |
185 | 183 |
186 GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& path, const SkStrokeRec& stroke) | 184 GrGLPath::GrGLPath(GrGLGpu* gpu, const SkPath& path, const SkStrokeRec& stroke) |
187 : INHERITED(gpu, kIsWrapped, path, stroke), | 185 : INHERITED(gpu, path, stroke), |
188 fPathID(gpu->glPathRendering()->genPaths(1)) { | 186 fPathID(gpu->glPathRendering()->genPaths(1)) { |
189 | 187 |
190 InitPathObject(gpu, fPathID, fSkPath, stroke); | 188 InitPathObject(gpu, fPathID, fSkPath, stroke); |
191 | 189 |
192 if (stroke.needToApply()) { | 190 if (stroke.needToApply()) { |
193 // FIXME: try to account for stroking, without rasterizing the stroke. | 191 // FIXME: try to account for stroking, without rasterizing the stroke. |
194 fBounds.outset(stroke.getWidth(), stroke.getWidth()); | 192 fBounds.outset(stroke.getWidth(), stroke.getWidth()); |
195 } | 193 } |
196 this->registerWithCache(); | 194 this->registerWithCache(); |
197 } | 195 } |
198 | 196 |
199 void GrGLPath::onRelease() { | 197 void GrGLPath::onRelease() { |
200 if (0 != fPathID && !this->isWrapped()) { | 198 if (0 != fPathID && !this->isWrapped()) { |
201 static_cast<GrGLGpu*>(this->getGpu())->glPathRendering()->deletePaths(fP
athID, 1); | 199 static_cast<GrGLGpu*>(this->getGpu())->glPathRendering()->deletePaths(fP
athID, 1); |
202 fPathID = 0; | 200 fPathID = 0; |
203 } | 201 } |
204 | 202 |
205 INHERITED::onRelease(); | 203 INHERITED::onRelease(); |
206 } | 204 } |
207 | 205 |
208 void GrGLPath::onAbandon() { | 206 void GrGLPath::onAbandon() { |
209 fPathID = 0; | 207 fPathID = 0; |
210 | 208 |
211 INHERITED::onAbandon(); | 209 INHERITED::onAbandon(); |
212 } | 210 } |
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