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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 "GrPathProcessor.h" | 8 #include "GrPathProcessor.h" |
9 | 9 |
10 #include "gl/GrGLGpu.h" | 10 #include "gl/GrGLGpu.h" |
(...skipping 16 matching lines...) Expand all Loading... |
27 | 27 |
28 void emitCode(EmitArgs& args) override { | 28 void emitCode(EmitArgs& args) override { |
29 GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; | 29 GrGLSLPPFragmentBuilder* fragBuilder = args.fFragBuilder; |
30 const GrPathProcessor& pathProc = args.fGP.cast<GrPathProcessor>(); | 30 const GrPathProcessor& pathProc = args.fGP.cast<GrPathProcessor>(); |
31 | 31 |
32 if (!pathProc.viewMatrix().hasPerspective()) { | 32 if (!pathProc.viewMatrix().hasPerspective()) { |
33 args.fVaryingHandler->setNoPerspective(); | 33 args.fVaryingHandler->setNoPerspective(); |
34 } | 34 } |
35 | 35 |
36 // emit transforms | 36 // emit transforms |
37 this->emitTransforms(args.fVaryingHandler, args.fFPCoordTransformHandler
); | 37 this->emitTransforms(args.fVaryingHandler, args.fTransformsIn, args.fTra
nsformsOut); |
38 | 38 |
39 // Setup uniform color | 39 // Setup uniform color |
40 if (pathProc.overrides().readsColor()) { | 40 if (pathProc.overrides().readsColor()) { |
41 const char* stagedLocalVarName; | 41 const char* stagedLocalVarName; |
42 fColorUniform = args.fUniformHandler->addUniform(kFragment_GrShaderF
lag, | 42 fColorUniform = args.fUniformHandler->addUniform(kFragment_GrShaderF
lag, |
43 kVec4f_GrSLType, | 43 kVec4f_GrSLType, |
44 kDefault_GrSLPrecis
ion, | 44 kDefault_GrSLPrecis
ion, |
45 "Color", | 45 "Color", |
46 &stagedLocalVarName
); | 46 &stagedLocalVarName
); |
47 fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, stagedLocalV
arName); | 47 fragBuilder->codeAppendf("%s = %s;", args.fOutputColor, stagedLocalV
arName); |
48 } | 48 } |
49 | 49 |
50 // setup constant solid coverage | 50 // setup constant solid coverage |
51 if (pathProc.overrides().readsCoverage()) { | 51 if (pathProc.overrides().readsCoverage()) { |
52 fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage); | 52 fragBuilder->codeAppendf("%s = vec4(1);", args.fOutputCoverage); |
53 } | 53 } |
54 } | 54 } |
55 | 55 |
56 void emitTransforms(GrGLSLVaryingHandler* varyingHandler, | 56 void emitTransforms(GrGLSLVaryingHandler* varyingHandler, |
57 FPCoordTransformHandler* transformHandler) { | 57 const TransformsIn& tin, |
58 int i = 0; | 58 TransformsOut* tout) { |
59 while (const GrCoordTransform* coordTransform = transformHandler->nextCo
ordTransform()) { | 59 tout->push_back_n(tin.count()); |
60 GrSLType varyingType = | 60 fInstalledTransforms.push_back_n(tin.count()); |
61 coordTransform->getMatrix().hasPerspective() ? kVec3f_GrSLTy
pe | 61 for (int i = 0; i < tin.count(); i++) { |
62 : kVec2f_GrSLTy
pe; | 62 const ProcCoords& coordTransforms = tin[i]; |
| 63 fInstalledTransforms[i].push_back_n(coordTransforms.count()); |
| 64 for (int t = 0; t < coordTransforms.count(); t++) { |
| 65 GrSLType varyingType = |
| 66 coordTransforms[t]->getMatrix().hasPerspective() ? kVec3
f_GrSLType : |
| 67 kVec2
f_GrSLType; |
63 | 68 |
64 SkString strVaryingName; | 69 SkString strVaryingName("MatrixCoord"); |
65 strVaryingName.printf("TransformedCoord_%d", i); | 70 strVaryingName.appendf("_%i_%i", i, t); |
66 GrGLSLVertToFrag v(varyingType); | 71 GrGLSLVertToFrag v(varyingType); |
67 GrGLVaryingHandler* glVaryingHandler = (GrGLVaryingHandler*) varying
Handler; | 72 GrGLVaryingHandler* glVaryingHandler = (GrGLVaryingHandler*) var
yingHandler; |
68 fInstalledTransforms.push_back().fHandle = | 73 fInstalledTransforms[i][t].fHandle = |
69 glVaryingHandler->addPathProcessingVarying(strVaryingName.c_
str(), | 74 glVaryingHandler->addPathProcessingVarying(strVaryingNam
e.c_str(), |
70 &v).toIndex(); | 75 &v).toIndex()
; |
71 fInstalledTransforms.back().fType = varyingType; | 76 fInstalledTransforms[i][t].fType = varyingType; |
72 | 77 |
73 transformHandler->specifyCoordsForCurrCoordTransform(SkString(v.fsIn
()), varyingType); | 78 (*tout)[i].emplace_back(SkString(v.fsIn()), varyingType); |
74 ++i; | 79 } |
75 } | 80 } |
76 } | 81 } |
77 | 82 |
78 void setData(const GrGLSLProgramDataManager& pd, | 83 void setData(const GrGLSLProgramDataManager& pd, |
79 const GrPrimitiveProcessor& primProc, | 84 const GrPrimitiveProcessor& primProc) override { |
80 FPCoordTransformIter&& transformIter) override { | |
81 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); | 85 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); |
82 if (pathProc.overrides().readsColor() && pathProc.color() != fColor) { | 86 if (pathProc.overrides().readsColor() && pathProc.color() != fColor) { |
83 float c[4]; | 87 float c[4]; |
84 GrColorToRGBAFloat(pathProc.color(), c); | 88 GrColorToRGBAFloat(pathProc.color(), c); |
85 pd.set4fv(fColorUniform, 1, c); | 89 pd.set4fv(fColorUniform, 1, c); |
86 fColor = pathProc.color(); | 90 fColor = pathProc.color(); |
87 } | 91 } |
| 92 } |
88 | 93 |
89 int t = 0; | 94 void setTransformData(const GrPrimitiveProcessor& primProc, |
90 while (const GrCoordTransform* coordTransform = transformIter.next()) { | 95 const GrGLSLProgramDataManager& pdman, |
91 SkASSERT(fInstalledTransforms[t].fHandle.isValid()); | 96 int index, |
92 const SkMatrix& m = GetTransformMatrix(pathProc.localMatrix(), *coor
dTransform); | 97 const SkTArray<const GrCoordTransform*, true>& coordTr
ansforms) override { |
93 if (fInstalledTransforms[t].fCurrentValue.cheapEqualTo(m)) { | 98 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); |
| 99 SkTArray<TransformVarying, true>& transforms = fInstalledTransforms[inde
x]; |
| 100 int numTransforms = transforms.count(); |
| 101 for (int t = 0; t < numTransforms; ++t) { |
| 102 SkASSERT(transforms[t].fHandle.isValid()); |
| 103 const SkMatrix& transform = GetTransformMatrix(pathProc.localMatrix(
), |
| 104 *coordTransforms[t]); |
| 105 if (transforms[t].fCurrentValue.cheapEqualTo(transform)) { |
94 continue; | 106 continue; |
95 } | 107 } |
96 fInstalledTransforms[t].fCurrentValue = m; | 108 transforms[t].fCurrentValue = transform; |
97 | 109 |
98 SkASSERT(fInstalledTransforms[t].fType == kVec2f_GrSLType || | 110 SkASSERT(transforms[t].fType == kVec2f_GrSLType || |
99 fInstalledTransforms[t].fType == kVec3f_GrSLType); | 111 transforms[t].fType == kVec3f_GrSLType); |
100 unsigned components = fInstalledTransforms[t].fType == kVec2f_GrSLTy
pe ? 2 : 3; | 112 unsigned components = transforms[t].fType == kVec2f_GrSLType ? 2 : 3
; |
101 pd.setPathFragmentInputTransform(fInstalledTransforms[t].fHandle, co
mponents, m); | 113 pdman.setPathFragmentInputTransform(transforms[t].fHandle, component
s, transform); |
102 ++t; | |
103 } | 114 } |
104 } | 115 } |
105 | 116 |
106 private: | 117 private: |
107 typedef GrGLSLProgramDataManager::VaryingHandle VaryingHandle; | 118 typedef GrGLSLProgramDataManager::VaryingHandle VaryingHandle; |
108 struct TransformVarying { | 119 struct TransformVarying { |
109 VaryingHandle fHandle; | 120 VaryingHandle fHandle; |
110 SkMatrix fCurrentValue = SkMatrix::InvalidMatrix(); | 121 SkMatrix fCurrentValue = SkMatrix::InvalidMatrix(); |
111 GrSLType fType = kVoid_GrSLType; | 122 GrSLType fType = kVoid_GrSLType; |
112 }; | 123 }; |
113 | 124 |
114 SkTArray<TransformVarying, true> fInstalledTransforms; | 125 SkSTArray<8, SkSTArray<2, TransformVarying, true> > fInstalledTransforms; |
115 | 126 |
116 UniformHandle fColorUniform; | 127 UniformHandle fColorUniform; |
117 GrColor fColor; | 128 GrColor fColor; |
118 | 129 |
119 typedef GrGLSLPrimitiveProcessor INHERITED; | 130 typedef GrGLSLPrimitiveProcessor INHERITED; |
120 }; | 131 }; |
121 | 132 |
122 GrPathProcessor::GrPathProcessor(GrColor color, | 133 GrPathProcessor::GrPathProcessor(GrColor color, |
123 const GrXPOverridesForBatch& overrides, | 134 const GrXPOverridesForBatch& overrides, |
124 const SkMatrix& viewMatrix, | 135 const SkMatrix& viewMatrix, |
125 const SkMatrix& localMatrix) | 136 const SkMatrix& localMatrix) |
126 : fColor(color) | 137 : fColor(color) |
127 , fViewMatrix(viewMatrix) | 138 , fViewMatrix(viewMatrix) |
128 , fLocalMatrix(localMatrix) | 139 , fLocalMatrix(localMatrix) |
129 , fOverrides(overrides) { | 140 , fOverrides(overrides) { |
130 this->initClassID<GrPathProcessor>(); | 141 this->initClassID<GrPathProcessor>(); |
131 } | 142 } |
132 | 143 |
133 void GrPathProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps, | 144 void GrPathProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps, |
134 GrProcessorKeyBuilder* b) const { | 145 GrProcessorKeyBuilder* b) const { |
135 GrGLPathProcessor::GenKey(*this, caps, b); | 146 GrGLPathProcessor::GenKey(*this, caps, b); |
136 } | 147 } |
137 | 148 |
138 GrGLSLPrimitiveProcessor* GrPathProcessor::createGLSLInstance(const GrGLSLCaps&
caps) const { | 149 GrGLSLPrimitiveProcessor* GrPathProcessor::createGLSLInstance(const GrGLSLCaps&
caps) const { |
139 SkASSERT(caps.pathRenderingSupport()); | 150 SkASSERT(caps.pathRenderingSupport()); |
140 return new GrGLPathProcessor(); | 151 return new GrGLPathProcessor(); |
141 } | 152 } |
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