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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "GrGLEffectMatrix.h" | 8 #include "GrGLEffectMatrix.h" |
9 #include "GrDrawEffect.h" | 9 #include "GrDrawEffect.h" |
10 #include "GrTexture.h" | 10 #include "GrTexture.h" |
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77 SkString suffixedUniName; | 77 SkString suffixedUniName; |
78 if (NULL != suffix) { | 78 if (NULL != suffix) { |
79 suffixedUniName.append(uniName); | 79 suffixedUniName.append(uniName); |
80 suffixedUniName.append(suffix); | 80 suffixedUniName.append(suffix); |
81 uniName = suffixedUniName.c_str(); | 81 uniName = suffixedUniName.c_str(); |
82 } | 82 } |
83 if (kVoid_GrSLType != fUniType) { | 83 if (kVoid_GrSLType != fUniType) { |
84 fUni = builder->addUniform(GrGLShaderBuilder::kVertex_ShaderType, | 84 fUni = builder->addUniform(GrGLShaderBuilder::kVertex_ShaderType, |
85 fUniType, | 85 fUniType, |
86 uniName, | 86 uniName, |
87 &uniName); | 87 &uniName)->glUniform(); |
88 } | 88 } |
89 | 89 |
90 const char* varyingName = "MatrixCoord"; | 90 const char* varyingName = "MatrixCoord"; |
91 SkString suffixedVaryingName; | 91 SkString suffixedVaryingName; |
92 if (NULL != suffix) { | 92 if (NULL != suffix) { |
93 suffixedVaryingName.append(varyingName); | 93 suffixedVaryingName.append(varyingName); |
94 suffixedVaryingName.append(suffix); | 94 suffixedVaryingName.append(suffix); |
95 varyingName = suffixedVaryingName.c_str(); | 95 varyingName = suffixedVaryingName.c_str(); |
96 } | 96 } |
97 const char* vsVaryingName; | 97 const char* vsVaryingName; |
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178 *fsCoordName = coordName; | 178 *fsCoordName = coordName; |
179 } | 179 } |
180 } else if(NULL != fsCoordName) { | 180 } else if(NULL != fsCoordName) { |
181 *fsCoordName = fsVaryingName; | 181 *fsCoordName = fsVaryingName; |
182 } | 182 } |
183 if (NULL != vsVaryingType) { | 183 if (NULL != vsVaryingType) { |
184 *vsVaryingType = varyingType; | 184 *vsVaryingType = varyingType; |
185 } | 185 } |
186 } | 186 } |
187 | 187 |
188 void GrGLEffectMatrix::setData(const GrGLUniformManager& uniformManager, | 188 void GrGLEffectMatrix::setData(const GrGLContext& context, |
189 const SkMatrix& matrix, | 189 const SkMatrix& matrix, |
190 const GrDrawEffect& drawEffect, | 190 const GrDrawEffect& drawEffect, |
191 const GrTexture* texture) { | 191 const GrTexture* texture) { |
192 GrAssert((GrGLUniformManager::kInvalidUniformHandle == fUni) == | 192 GrAssert((NULL != fUni) != (kVoid_GrSLType == fUniType)); |
193 (kVoid_GrSLType == fUniType)); | |
194 const SkMatrix& coordChangeMatrix = GrEffect::kLocal_CoordsType == fCoordsTy
pe ? | 193 const SkMatrix& coordChangeMatrix = GrEffect::kLocal_CoordsType == fCoordsTy
pe ? |
195 drawEffect.getCoordChangeMatrix() : | 194 drawEffect.getCoordChangeMatrix() : |
196 SkMatrix::I(); | 195 SkMatrix::I(); |
197 switch (fUniType) { | 196 switch (fUniType) { |
198 case kVoid_GrSLType: | 197 case kVoid_GrSLType: |
199 GrAssert(matrix.isIdentity()); | 198 GrAssert(matrix.isIdentity()); |
200 GrAssert(coordChangeMatrix.isIdentity()); | 199 GrAssert(coordChangeMatrix.isIdentity()); |
201 GrAssert(NULL == texture || kTopLeft_GrSurfaceOrigin == texture->ori
gin()); | 200 GrAssert(NULL == texture || kTopLeft_GrSurfaceOrigin == texture->ori
gin()); |
202 return; | 201 return; |
203 case kVec2f_GrSLType: { | 202 case kVec2f_GrSLType: { |
204 GrAssert(SkMatrix::kTranslate_Mask == (matrix.getType() | coordChang
eMatrix.getType())); | 203 GrAssert(SkMatrix::kTranslate_Mask == (matrix.getType() | coordChang
eMatrix.getType())); |
205 GrAssert(NULL == texture || kTopLeft_GrSurfaceOrigin == texture->ori
gin()); | 204 GrAssert(NULL == texture || kTopLeft_GrSurfaceOrigin == texture->ori
gin()); |
206 SkScalar tx = matrix[SkMatrix::kMTransX] + (coordChangeMatrix)[SkMat
rix::kMTransX]; | 205 SkScalar tx = matrix[SkMatrix::kMTransX] + (coordChangeMatrix)[SkMat
rix::kMTransX]; |
207 SkScalar ty = matrix[SkMatrix::kMTransY] + (coordChangeMatrix)[SkMat
rix::kMTransY]; | 206 SkScalar ty = matrix[SkMatrix::kMTransY] + (coordChangeMatrix)[SkMat
rix::kMTransY]; |
208 if (fPrevMatrix.get(SkMatrix::kMTransX) != tx || | 207 if (fPrevMatrix.get(SkMatrix::kMTransX) != tx || |
209 fPrevMatrix.get(SkMatrix::kMTransY) != ty) { | 208 fPrevMatrix.get(SkMatrix::kMTransY) != ty) { |
210 uniformManager.set2f(fUni, tx, ty); | 209 fUni->set2f(context, tx, ty); |
211 fPrevMatrix.set(SkMatrix::kMTransX, tx); | 210 fPrevMatrix.set(SkMatrix::kMTransX, tx); |
212 fPrevMatrix.set(SkMatrix::kMTransY, ty); | 211 fPrevMatrix.set(SkMatrix::kMTransY, ty); |
213 } | 212 } |
214 break; | 213 break; |
215 } | 214 } |
216 case kMat33f_GrSLType: { | 215 case kMat33f_GrSLType: { |
217 SkMatrix combined; | 216 SkMatrix combined; |
218 combined.setConcat(matrix, coordChangeMatrix); | 217 combined.setConcat(matrix, coordChangeMatrix); |
219 if (NULL != texture && kBottomLeft_GrSurfaceOrigin == texture->origi
n()) { | 218 if (NULL != texture && kBottomLeft_GrSurfaceOrigin == texture->origi
n()) { |
220 // combined.postScale(1,-1); | 219 // combined.postScale(1,-1); |
221 // combined.postTranslate(0,1); | 220 // combined.postTranslate(0,1); |
222 combined.set(SkMatrix::kMSkewY, | 221 combined.set(SkMatrix::kMSkewY, |
223 combined[SkMatrix::kMPersp0] - combined[SkMatrix::kMSkewY]); | 222 combined[SkMatrix::kMPersp0] - combined[SkMatrix::kMSkewY]); |
224 combined.set(SkMatrix::kMScaleY, | 223 combined.set(SkMatrix::kMScaleY, |
225 combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY])
; | 224 combined[SkMatrix::kMPersp1] - combined[SkMatrix::kMScaleY])
; |
226 combined.set(SkMatrix::kMTransY, | 225 combined.set(SkMatrix::kMTransY, |
227 combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY])
; | 226 combined[SkMatrix::kMPersp2] - combined[SkMatrix::kMTransY])
; |
228 } | 227 } |
229 if (!fPrevMatrix.cheapEqualTo(combined)) { | 228 if (!fPrevMatrix.cheapEqualTo(combined)) { |
230 uniformManager.setSkMatrix(fUni, combined); | 229 fUni->setSkMatrix(context, combined); |
231 fPrevMatrix = combined; | 230 fPrevMatrix = combined; |
232 } | 231 } |
233 break; | 232 break; |
234 } | 233 } |
235 default: | 234 default: |
236 GrCrash("Unexpected uniform type."); | 235 GrCrash("Unexpected uniform type."); |
237 } | 236 } |
238 } | 237 } |
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