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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 #ifndef GrGLGeometryProcessor_DEFINED | 8 #ifndef GrGLGeometryProcessor_DEFINED |
9 #define GrGLGeometryProcessor_DEFINED | 9 #define GrGLGeometryProcessor_DEFINED |
10 | 10 |
11 #include "GrGLPrimitiveProcessor.h" | 11 #include "GrGLPrimitiveProcessor.h" |
12 | 12 |
13 class GrGLGPBuilder; | 13 class GrGLGPBuilder; |
14 | 14 |
15 /** | 15 /** |
16 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit | 16 * If a GL effect needs a GrGLFullShaderBuilder* object to emit vertex code, the
n it must inherit |
17 * from this class. Since paths don't have vertices, this class is only meant to
be used internally | 17 * from this class. Since paths don't have vertices, this class is only meant to
be used internally |
18 * by skia, for special cases. | 18 * by skia, for special cases. |
19 */ | 19 */ |
20 class GrGLGeometryProcessor : public GrGLPrimitiveProcessor { | 20 class GrGLGeometryProcessor : public GrGLPrimitiveProcessor { |
21 public: | 21 public: |
| 22 GrGLGeometryProcessor() : fTransformedLocalCoords(false) {} |
| 23 |
22 /* Any general emit code goes in the base class emitCode. Subclasses overri
de onEmitCode */ | 24 /* Any general emit code goes in the base class emitCode. Subclasses overri
de onEmitCode */ |
23 void emitCode(EmitArgs&) override; | 25 void emitCode(EmitArgs&) override; |
24 | 26 |
25 // By default we use the identity matrix | 27 // By default we use the identity matrix |
26 virtual void setTransformData(const GrPrimitiveProcessor&, | 28 virtual void setTransformData(const GrPrimitiveProcessor&, |
27 const GrGLProgramDataManager& pdman, | 29 const GrGLProgramDataManager& pdman, |
28 int index, | 30 int index, |
29 const SkTArray<const GrCoordTransform*, true>&
transforms) { | 31 const SkTArray<const GrCoordTransform*, true>&
transforms) { |
30 this->setTransformDataMatrix(SkMatrix::I(), pdman, index, transforms); | 32 this->setTransformDataMatrix(SkMatrix::I(), pdman, index, transforms); |
31 } | 33 } |
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83 } else { | 85 } else { |
84 return 0x02; | 86 return 0x02; |
85 } | 87 } |
86 } | 88 } |
87 | 89 |
88 private: | 90 private: |
89 void setTransformDataMatrix(const SkMatrix& localMatrix, | 91 void setTransformDataMatrix(const SkMatrix& localMatrix, |
90 const GrGLProgramDataManager& pdman, | 92 const GrGLProgramDataManager& pdman, |
91 int index, | 93 int index, |
92 const SkTArray<const GrCoordTransform*, true>& t
ransforms) { | 94 const SkTArray<const GrCoordTransform*, true>& t
ransforms) { |
| 95 // No need to set if our local coords have already been transformed |
| 96 if (fTransformedLocalCoords) { |
| 97 return; |
| 98 } |
| 99 |
93 SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[ind
ex]; | 100 SkSTArray<2, Transform, true>& procTransforms = fInstalledTransforms[ind
ex]; |
94 int numTransforms = transforms.count(); | 101 int numTransforms = transforms.count(); |
95 for (int t = 0; t < numTransforms; ++t) { | 102 for (int t = 0; t < numTransforms; ++t) { |
96 SkASSERT(procTransforms[t].fHandle.isValid()); | 103 SkASSERT(procTransforms[t].fHandle.isValid()); |
97 const SkMatrix& transform = GetTransformMatrix(localMatrix, *transfo
rms[t]); | 104 const SkMatrix& transform = GetTransformMatrix(localMatrix, *transfo
rms[t]); |
98 if (!procTransforms[t].fCurrentValue.cheapEqualTo(transform)) { | 105 if (!procTransforms[t].fCurrentValue.cheapEqualTo(transform)) { |
99 pdman.setSkMatrix(procTransforms[t].fHandle.convertToUniformHand
le(), transform); | 106 pdman.setSkMatrix(procTransforms[t].fHandle.convertToUniformHand
le(), transform); |
100 procTransforms[t].fCurrentValue = transform; | 107 procTransforms[t].fCurrentValue = transform; |
101 } | 108 } |
102 } | 109 } |
103 } | 110 } |
104 | 111 |
105 virtual void onEmitCode(EmitArgs&, GrGPArgs*) = 0; | 112 virtual void onEmitCode(EmitArgs&, GrGPArgs*) = 0; |
106 | 113 |
| 114 bool fTransformedLocalCoords; |
107 typedef GrGLPrimitiveProcessor INHERITED; | 115 typedef GrGLPrimitiveProcessor INHERITED; |
108 }; | 116 }; |
109 | 117 |
110 #endif | 118 #endif |
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