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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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