OLD | NEW |
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.fTransformsIn, args.fTra
nsformsOut); | 37 this->emitTransforms(args.fVaryingHandler, args.fFPCoordTransformHandler
); |
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 const TransformsIn& tin, | 57 FPCoordTransformHandler* transformHandler) { |
58 TransformsOut* tout) { | 58 int i = 0; |
59 tout->push_back_n(tin.count()); | 59 while (const GrCoordTransform* coordTransform = transformHandler->nextCo
ordTransform()) { |
60 fInstalledTransforms.push_back_n(tin.count()); | 60 GrSLType varyingType = |
61 for (int i = 0; i < tin.count(); i++) { | 61 coordTransform->getMatrix().hasPerspective() ? kVec3f_GrSLTy
pe |
62 const ProcCoords& coordTransforms = tin[i]; | 62 : kVec2f_GrSLTy
pe; |
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; | |
68 | 63 |
69 SkString strVaryingName("MatrixCoord"); | 64 SkString strVaryingName; |
70 strVaryingName.appendf("_%i_%i", i, t); | 65 strVaryingName.printf("TransformedCoord_%d", i); |
71 GrGLSLVertToFrag v(varyingType); | 66 GrGLSLVertToFrag v(varyingType); |
72 GrGLVaryingHandler* glVaryingHandler = (GrGLVaryingHandler*) var
yingHandler; | 67 GrGLVaryingHandler* glVaryingHandler = (GrGLVaryingHandler*) varying
Handler; |
73 fInstalledTransforms[i][t].fHandle = | 68 fInstalledTransforms.push_back().fHandle = |
74 glVaryingHandler->addPathProcessingVarying(strVaryingNam
e.c_str(), | 69 glVaryingHandler->addPathProcessingVarying(strVaryingName.c_
str(), |
75 &v).toIndex()
; | 70 &v).toIndex(); |
76 fInstalledTransforms[i][t].fType = varyingType; | 71 fInstalledTransforms.back().fType = varyingType; |
77 | 72 |
78 (*tout)[i].emplace_back(SkString(v.fsIn()), varyingType); | 73 transformHandler->specifyCoordsForCurrCoordTransform(SkString(v.fsIn
()), varyingType); |
79 } | 74 ++i; |
80 } | 75 } |
81 } | 76 } |
82 | 77 |
83 void setData(const GrGLSLProgramDataManager& pd, | 78 void setData(const GrGLSLProgramDataManager& pd, |
84 const GrPrimitiveProcessor& primProc) override { | 79 const GrPrimitiveProcessor& primProc, |
| 80 FPCoordTransformIter&& transformIter) override { |
85 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); | 81 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); |
86 if (pathProc.overrides().readsColor() && pathProc.color() != fColor) { | 82 if (pathProc.overrides().readsColor() && pathProc.color() != fColor) { |
87 float c[4]; | 83 float c[4]; |
88 GrColorToRGBAFloat(pathProc.color(), c); | 84 GrColorToRGBAFloat(pathProc.color(), c); |
89 pd.set4fv(fColorUniform, 1, c); | 85 pd.set4fv(fColorUniform, 1, c); |
90 fColor = pathProc.color(); | 86 fColor = pathProc.color(); |
91 } | 87 } |
92 } | |
93 | 88 |
94 void setTransformData(const GrPrimitiveProcessor& primProc, | 89 int t = 0; |
95 const GrGLSLProgramDataManager& pdman, | 90 while (const GrCoordTransform* coordTransform = transformIter.next()) { |
96 int index, | 91 SkASSERT(fInstalledTransforms[t].fHandle.isValid()); |
97 const SkTArray<const GrCoordTransform*, true>& coordTr
ansforms) override { | 92 const SkMatrix& m = GetTransformMatrix(pathProc.localMatrix(), *coor
dTransform); |
98 const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>(); | 93 if (fInstalledTransforms[t].fCurrentValue.cheapEqualTo(m)) { |
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)) { | |
106 continue; | 94 continue; |
107 } | 95 } |
108 transforms[t].fCurrentValue = transform; | 96 fInstalledTransforms[t].fCurrentValue = m; |
109 | 97 |
110 SkASSERT(transforms[t].fType == kVec2f_GrSLType || | 98 SkASSERT(fInstalledTransforms[t].fType == kVec2f_GrSLType || |
111 transforms[t].fType == kVec3f_GrSLType); | 99 fInstalledTransforms[t].fType == kVec3f_GrSLType); |
112 unsigned components = transforms[t].fType == kVec2f_GrSLType ? 2 : 3
; | 100 unsigned components = fInstalledTransforms[t].fType == kVec2f_GrSLTy
pe ? 2 : 3; |
113 pdman.setPathFragmentInputTransform(transforms[t].fHandle, component
s, transform); | 101 pd.setPathFragmentInputTransform(fInstalledTransforms[t].fHandle, co
mponents, m); |
| 102 ++t; |
114 } | 103 } |
115 } | 104 } |
116 | 105 |
117 private: | 106 private: |
118 typedef GrGLSLProgramDataManager::VaryingHandle VaryingHandle; | 107 typedef GrGLSLProgramDataManager::VaryingHandle VaryingHandle; |
119 struct TransformVarying { | 108 struct TransformVarying { |
120 VaryingHandle fHandle; | 109 VaryingHandle fHandle; |
121 SkMatrix fCurrentValue = SkMatrix::InvalidMatrix(); | 110 SkMatrix fCurrentValue = SkMatrix::InvalidMatrix(); |
122 GrSLType fType = kVoid_GrSLType; | 111 GrSLType fType = kVoid_GrSLType; |
123 }; | 112 }; |
124 | 113 |
125 SkSTArray<8, SkSTArray<2, TransformVarying, true> > fInstalledTransforms; | 114 SkTArray<TransformVarying, true> fInstalledTransforms; |
126 | 115 |
127 UniformHandle fColorUniform; | 116 UniformHandle fColorUniform; |
128 GrColor fColor; | 117 GrColor fColor; |
129 | 118 |
130 typedef GrGLSLPrimitiveProcessor INHERITED; | 119 typedef GrGLSLPrimitiveProcessor INHERITED; |
131 }; | 120 }; |
132 | 121 |
133 GrPathProcessor::GrPathProcessor(GrColor color, | 122 GrPathProcessor::GrPathProcessor(GrColor color, |
134 const GrXPOverridesForBatch& overrides, | 123 const GrXPOverridesForBatch& overrides, |
135 const SkMatrix& viewMatrix, | 124 const SkMatrix& viewMatrix, |
136 const SkMatrix& localMatrix) | 125 const SkMatrix& localMatrix) |
137 : fColor(color) | 126 : fColor(color) |
138 , fViewMatrix(viewMatrix) | 127 , fViewMatrix(viewMatrix) |
139 , fLocalMatrix(localMatrix) | 128 , fLocalMatrix(localMatrix) |
140 , fOverrides(overrides) { | 129 , fOverrides(overrides) { |
141 this->initClassID<GrPathProcessor>(); | 130 this->initClassID<GrPathProcessor>(); |
142 } | 131 } |
143 | 132 |
144 void GrPathProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps, | 133 void GrPathProcessor::getGLSLProcessorKey(const GrGLSLCaps& caps, |
145 GrProcessorKeyBuilder* b) const { | 134 GrProcessorKeyBuilder* b) const { |
146 GrGLPathProcessor::GenKey(*this, caps, b); | 135 GrGLPathProcessor::GenKey(*this, caps, b); |
147 } | 136 } |
148 | 137 |
149 GrGLSLPrimitiveProcessor* GrPathProcessor::createGLSLInstance(const GrGLSLCaps&
caps) const { | 138 GrGLSLPrimitiveProcessor* GrPathProcessor::createGLSLInstance(const GrGLSLCaps&
caps) const { |
150 SkASSERT(caps.pathRenderingSupport()); | 139 SkASSERT(caps.pathRenderingSupport()); |
151 return new GrGLPathProcessor(); | 140 return new GrGLPathProcessor(); |
152 } | 141 } |
OLD | NEW |