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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" | |
11 #include "GrGpuGL.h" | 10 #include "GrGpuGL.h" |
12 | 11 |
| 12 #define GPUGL static_cast<GrGpuGL*>(this->getGpu()) |
| 13 |
| 14 #define GL_CALL(X) GR_GL_CALL(GPUGL->glInterface(), X) |
| 15 #define GL_CALL_RET(R, X) GR_GL_CALL_RET(GPUGL->glInterface(), R, X) |
| 16 |
13 namespace { | 17 namespace { |
14 inline GrGLubyte verb_to_gl_path_cmd(SkPath::Verb verb) { | 18 inline GrGLubyte verb_to_gl_path_cmd(SkPath::Verb verb) { |
15 static const GrGLubyte gTable[] = { | 19 static const GrGLubyte gTable[] = { |
16 GR_GL_MOVE_TO, | 20 GR_GL_MOVE_TO, |
17 GR_GL_LINE_TO, | 21 GR_GL_LINE_TO, |
18 GR_GL_QUADRATIC_CURVE_TO, | 22 GR_GL_QUADRATIC_CURVE_TO, |
19 0xFF, // conic | 23 0xFF, // conic |
20 GR_GL_CUBIC_CURVE_TO, | 24 GR_GL_CUBIC_CURVE_TO, |
21 GR_GL_CLOSE_PATH, | 25 GR_GL_CLOSE_PATH, |
22 }; | 26 }; |
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74 GR_STATIC_ASSERT(0 == SkPaint::kButt_Cap); | 78 GR_STATIC_ASSERT(0 == SkPaint::kButt_Cap); |
75 GR_STATIC_ASSERT(1 == SkPaint::kRound_Cap); | 79 GR_STATIC_ASSERT(1 == SkPaint::kRound_Cap); |
76 GR_STATIC_ASSERT(2 == SkPaint::kSquare_Cap); | 80 GR_STATIC_ASSERT(2 == SkPaint::kSquare_Cap); |
77 GR_STATIC_ASSERT(SK_ARRAY_COUNT(gSkCapsToGrGLCaps) == SkPaint::kCapCount); | 81 GR_STATIC_ASSERT(SK_ARRAY_COUNT(gSkCapsToGrGLCaps) == SkPaint::kCapCount); |
78 } | 82 } |
79 | 83 |
80 } | 84 } |
81 | 85 |
82 static const bool kIsWrapped = false; // The constructor creates the GL path obj
ect. | 86 static const bool kIsWrapped = false; // The constructor creates the GL path obj
ect. |
83 | 87 |
84 void GrGLPath::InitPathObject(GrGpuGL* gpu, | 88 void GrGLPath::InitPathObject(const GrGLInterface* gl, |
85 GrGLuint pathID, | 89 GrGLuint pathID, |
86 const SkPath& skPath, | 90 const SkPath& skPath, |
87 const SkStrokeRec& stroke) { | 91 const SkStrokeRec& stroke) { |
88 GrGLPathRendering* pr = gpu->pathRendering(); | |
89 SkSTArray<16, GrGLubyte, true> pathCommands; | 92 SkSTArray<16, GrGLubyte, true> pathCommands; |
90 SkSTArray<16, SkPoint, true> pathPoints; | 93 SkSTArray<16, SkPoint, true> pathPoints; |
91 | 94 |
92 int verbCnt = skPath.countVerbs(); | 95 int verbCnt = skPath.countVerbs(); |
93 int pointCnt = skPath.countPoints(); | 96 int pointCnt = skPath.countPoints(); |
94 pathCommands.resize_back(verbCnt); | 97 pathCommands.resize_back(verbCnt); |
95 pathPoints.resize_back(pointCnt); | 98 pathPoints.resize_back(pointCnt); |
96 | 99 |
97 // TODO: Direct access to path points since we could pass them on directly. | 100 // TODO: Direct access to path points since we could pass them on directly. |
98 skPath.getPoints(&pathPoints[0], pointCnt); | 101 skPath.getPoints(&pathPoints[0], pointCnt); |
99 skPath.getVerbs(&pathCommands[0], verbCnt); | 102 skPath.getVerbs(&pathCommands[0], verbCnt); |
100 | 103 |
101 SkDEBUGCODE(int numPts = 0); | 104 SkDEBUGCODE(int numPts = 0); |
102 for (int i = 0; i < verbCnt; ++i) { | 105 for (int i = 0; i < verbCnt; ++i) { |
103 SkPath::Verb v = static_cast<SkPath::Verb>(pathCommands[i]); | 106 SkPath::Verb v = static_cast<SkPath::Verb>(pathCommands[i]); |
104 pathCommands[i] = verb_to_gl_path_cmd(v); | 107 pathCommands[i] = verb_to_gl_path_cmd(v); |
105 SkDEBUGCODE(numPts += num_pts(v)); | 108 SkDEBUGCODE(numPts += num_pts(v)); |
106 } | 109 } |
107 SkASSERT(pathPoints.count() == numPts); | 110 SkASSERT(pathPoints.count() == numPts); |
108 | 111 |
109 pr->pathCommands(pathID, verbCnt, &pathCommands[0], 2 * pointCnt, GR_GL_FLOA
T, &pathPoints[0]); | 112 GR_GL_CALL(gl, PathCommands(pathID, |
| 113 verbCnt, &pathCommands[0], |
| 114 2 * pointCnt, GR_GL_FLOAT, &pathPoints[0])); |
| 115 |
110 if (stroke.needToApply()) { | 116 if (stroke.needToApply()) { |
111 SkASSERT(!stroke.isHairlineStyle()); | 117 SkASSERT(!stroke.isHairlineStyle()); |
112 pr->pathParameterf(pathID, GR_GL_PATH_STROKE_WIDTH, SkScalarToFloat(stro
ke.getWidth())); | 118 GR_GL_CALL(gl, PathParameterf(pathID, GR_GL_PATH_STROKE_WIDTH, SkScalarT
oFloat(stroke.getWidth()))); |
113 pr->pathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarToFloat(strok
e.getMiter())); | 119 GR_GL_CALL(gl, PathParameterf(pathID, GR_GL_PATH_MITER_LIMIT, SkScalarTo
Float(stroke.getMiter()))); |
114 GrGLenum join = join_to_gl_join(stroke.getJoin()); | 120 GrGLenum join = join_to_gl_join(stroke.getJoin()); |
115 pr->pathParameteri(pathID, GR_GL_PATH_JOIN_STYLE, join); | 121 GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_JOIN_STYLE, join)); |
116 GrGLenum cap = cap_to_gl_cap(stroke.getCap()); | 122 GrGLenum cap = cap_to_gl_cap(stroke.getCap()); |
117 pr->pathParameteri(pathID, GR_GL_PATH_INITIAL_END_CAP, cap); | 123 GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_INITIAL_END_CAP, cap)); |
118 pr->pathParameteri(pathID, GR_GL_PATH_TERMINAL_END_CAP, cap); | 124 GR_GL_CALL(gl, PathParameteri(pathID, GR_GL_PATH_TERMINAL_END_CAP, cap))
; |
119 } | 125 } |
120 } | 126 } |
121 | 127 |
122 GrGLPath::GrGLPath(GrGpuGL* gpu, const SkPath& path, const SkStrokeRec& stroke) | 128 GrGLPath::GrGLPath(GrGpuGL* gpu, const SkPath& path, const SkStrokeRec& stroke) |
123 : INHERITED(gpu, kIsWrapped, path, stroke), | 129 : INHERITED(gpu, kIsWrapped, path, stroke) { |
124 fPathID(gpu->pathRendering()->genPaths(1)) { | |
125 SkASSERT(!path.isEmpty()); | 130 SkASSERT(!path.isEmpty()); |
126 | 131 |
127 InitPathObject(gpu, fPathID, fSkPath, stroke); | 132 fPathID = gpu->createGLPathObject(); |
| 133 |
| 134 InitPathObject(static_cast<GrGpuGL*>(this->getGpu())->glInterface(), |
| 135 fPathID, fSkPath, stroke); |
128 | 136 |
129 if (stroke.needToApply()) { | 137 if (stroke.needToApply()) { |
130 // FIXME: try to account for stroking, without rasterizing the stroke. | 138 // FIXME: try to account for stroking, without rasterizing the stroke. |
131 fBounds.outset(stroke.getWidth(), stroke.getWidth()); | 139 fBounds.outset(stroke.getWidth(), stroke.getWidth()); |
132 } | 140 } |
133 } | 141 } |
134 | 142 |
135 GrGLPath::~GrGLPath() { | 143 GrGLPath::~GrGLPath() { |
136 this->release(); | 144 this->release(); |
137 } | 145 } |
138 | 146 |
139 void GrGLPath::onRelease() { | 147 void GrGLPath::onRelease() { |
140 if (0 != fPathID && !this->isWrapped()) { | 148 if (0 != fPathID && !this->isWrapped()) { |
141 static_cast<GrGpuGL*>(this->getGpu())->pathRendering()->deletePaths(fPat
hID, 1); | 149 static_cast<GrGpuGL*>(this->getGpu())->deleteGLPathObject(fPathID); |
142 fPathID = 0; | 150 fPathID = 0; |
143 } | 151 } |
144 | 152 |
145 INHERITED::onRelease(); | 153 INHERITED::onRelease(); |
146 } | 154 } |
147 | 155 |
148 void GrGLPath::onAbandon() { | 156 void GrGLPath::onAbandon() { |
149 fPathID = 0; | 157 fPathID = 0; |
150 | 158 |
151 INHERITED::onAbandon(); | 159 INHERITED::onAbandon(); |
152 } | 160 } |
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