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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 "GrBezierEffect.h" | 8 #include "GrBezierEffect.h" |
| 9 | 9 |
| 10 #include "gl/builders/GrGLProgramBuilder.h" | 10 #include "gl/builders/GrGLFullProgramBuilder.h" |
| 11 #include "gl/GrGLProcessor.h" | 11 #include "gl/GrGLProcessor.h" |
| 12 #include "gl/GrGLSL.h" | 12 #include "gl/GrGLSL.h" |
| 13 #include "gl/GrGLGeometryProcessor.h" | 13 #include "gl/GrGLGeometryProcessor.h" |
| 14 #include "GrTBackendProcessorFactory.h" | 14 #include "GrTBackendProcessorFactory.h" |
| 15 | 15 |
| 16 class GrGLConicEffect : public GrGLGeometryProcessor { | 16 class GrGLConicEffect : public GrGLGeometryProcessor { |
| 17 public: | 17 public: |
| 18 GrGLConicEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 18 GrGLConicEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
| 19 | 19 |
| 20 virtual void emitCode(GrGLGPBuilder* builder, | 20 virtual void emitCode(GrGLFullProgramBuilder* builder, |
| 21 const GrGeometryProcessor& geometryProcessor, | 21 const GrGeometryProcessor& geometryProcessor, |
| 22 const GrProcessorKey& key, | 22 const GrProcessorKey& key, |
| 23 const char* outputColor, | 23 const char* outputColor, |
| 24 const char* inputColor, | 24 const char* inputColor, |
| 25 const TransformedCoordsArray&, | 25 const TransformedCoordsArray&, |
| 26 const TextureSamplerArray&) SK_OVERRIDE; | 26 const TextureSamplerArray&) SK_OVERRIDE; |
| 27 | 27 |
| 28 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 28 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); |
| 29 | 29 |
| 30 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} | 30 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} |
| 31 | 31 |
| 32 private: | 32 private: |
| 33 GrPrimitiveEdgeType fEdgeType; | 33 GrPrimitiveEdgeType fEdgeType; |
| 34 | 34 |
| 35 typedef GrGLGeometryProcessor INHERITED; | 35 typedef GrGLGeometryProcessor INHERITED; |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 GrGLConicEffect::GrGLConicEffect(const GrBackendProcessorFactory& factory, | 38 GrGLConicEffect::GrGLConicEffect(const GrBackendProcessorFactory& factory, |
| 39 const GrProcessor& effect) | 39 const GrProcessor& effect) |
| 40 : INHERITED (factory) { | 40 : INHERITED (factory) { |
| 41 const GrConicEffect& ce = effect.cast<GrConicEffect>(); | 41 const GrConicEffect& ce = effect.cast<GrConicEffect>(); |
| 42 fEdgeType = ce.getEdgeType(); | 42 fEdgeType = ce.getEdgeType(); |
| 43 } | 43 } |
| 44 | 44 |
| 45 void GrGLConicEffect::emitCode(GrGLGPBuilder* builder, | 45 void GrGLConicEffect::emitCode(GrGLFullProgramBuilder* builder, |
| 46 const GrGeometryProcessor& geometryProcessor, | 46 const GrGeometryProcessor& geometryProcessor, |
| 47 const GrProcessorKey& key, | 47 const GrProcessorKey& key, |
| 48 const char* outputColor, | 48 const char* outputColor, |
| 49 const char* inputColor, | 49 const char* inputColor, |
| 50 const TransformedCoordsArray&, | 50 const TransformedCoordsArray&, |
| 51 const TextureSamplerArray& samplers) { | 51 const TextureSamplerArray& samplers) { |
| 52 const char *vsName, *fsName; | 52 const char *vsName, *fsName; |
| 53 | 53 |
| 54 builder->addVarying(kVec4f_GrSLType, "ConicCoeffs", | 54 builder->addVarying(kVec4f_GrSLType, "ConicCoeffs", |
| 55 &vsName, &fsName); | 55 &vsName, &fsName); |
| 56 | 56 |
| 57 const GrShaderVar& inConicCoeffs = geometryProcessor.cast<GrConicEffect>().i
nConicCoeffs(); | 57 const GrShaderVar& inConicCoeffs = geometryProcessor.cast<GrConicEffect>().i
nConicCoeffs(); |
| 58 GrGLVertexBuilder* vsBuilder = builder->getVertexShaderBuilder(); | 58 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 59 vsBuilder->codeAppendf("%s = %s;", vsName, inConicCoeffs.c_str()); | 59 vsBuilder->codeAppendf("%s = %s;", vsName, inConicCoeffs.c_str()); |
| 60 | 60 |
| 61 GrGLGPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 61 GrGLProcessorFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBu
ilder(); |
| 62 fsBuilder->codeAppend("float edgeAlpha;"); | 62 fsBuilder->codeAppend("float edgeAlpha;"); |
| 63 | 63 |
| 64 switch (fEdgeType) { | 64 switch (fEdgeType) { |
| 65 case kHairlineAA_GrProcessorEdgeType: { | 65 case kHairlineAA_GrProcessorEdgeType: { |
| 66 SkAssertResult(fsBuilder->enableFeature( | 66 SkAssertResult(fsBuilder->enableFeature( |
| 67 GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)
); | 67 GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)
); |
| 68 fsBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", fsName); | 68 fsBuilder->codeAppendf("vec3 dklmdx = dFdx(%s.xyz);", fsName); |
| 69 fsBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", fsName); | 69 fsBuilder->codeAppendf("vec3 dklmdy = dFdy(%s.xyz);", fsName); |
| 70 fsBuilder->codeAppendf("float dfdx =" | 70 fsBuilder->codeAppendf("float dfdx =" |
| 71 "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s
.z * dklmdx.y;", | 71 "2.0 * %s.x * dklmdx.x - %s.y * dklmdx.z - %s
.z * dklmdx.y;", |
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| 164 } | 164 } |
| 165 | 165 |
| 166 ////////////////////////////////////////////////////////////////////////////// | 166 ////////////////////////////////////////////////////////////////////////////// |
| 167 // Quad | 167 // Quad |
| 168 ////////////////////////////////////////////////////////////////////////////// | 168 ////////////////////////////////////////////////////////////////////////////// |
| 169 | 169 |
| 170 class GrGLQuadEffect : public GrGLGeometryProcessor { | 170 class GrGLQuadEffect : public GrGLGeometryProcessor { |
| 171 public: | 171 public: |
| 172 GrGLQuadEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 172 GrGLQuadEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
| 173 | 173 |
| 174 virtual void emitCode(GrGLGPBuilder* builder, | 174 virtual void emitCode(GrGLFullProgramBuilder* builder, |
| 175 const GrGeometryProcessor& geometryProcessor, | 175 const GrGeometryProcessor& geometryProcessor, |
| 176 const GrProcessorKey& key, | 176 const GrProcessorKey& key, |
| 177 const char* outputColor, | 177 const char* outputColor, |
| 178 const char* inputColor, | 178 const char* inputColor, |
| 179 const TransformedCoordsArray&, | 179 const TransformedCoordsArray&, |
| 180 const TextureSamplerArray&) SK_OVERRIDE; | 180 const TextureSamplerArray&) SK_OVERRIDE; |
| 181 | 181 |
| 182 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 182 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); |
| 183 | 183 |
| 184 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} | 184 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} |
| 185 | 185 |
| 186 private: | 186 private: |
| 187 GrPrimitiveEdgeType fEdgeType; | 187 GrPrimitiveEdgeType fEdgeType; |
| 188 | 188 |
| 189 typedef GrGLGeometryProcessor INHERITED; | 189 typedef GrGLGeometryProcessor INHERITED; |
| 190 }; | 190 }; |
| 191 | 191 |
| 192 GrGLQuadEffect::GrGLQuadEffect(const GrBackendProcessorFactory& factory, | 192 GrGLQuadEffect::GrGLQuadEffect(const GrBackendProcessorFactory& factory, |
| 193 const GrProcessor& effect) | 193 const GrProcessor& effect) |
| 194 : INHERITED (factory) { | 194 : INHERITED (factory) { |
| 195 const GrQuadEffect& ce = effect.cast<GrQuadEffect>(); | 195 const GrQuadEffect& ce = effect.cast<GrQuadEffect>(); |
| 196 fEdgeType = ce.getEdgeType(); | 196 fEdgeType = ce.getEdgeType(); |
| 197 } | 197 } |
| 198 | 198 |
| 199 void GrGLQuadEffect::emitCode(GrGLGPBuilder* builder, | 199 void GrGLQuadEffect::emitCode(GrGLFullProgramBuilder* builder, |
| 200 const GrGeometryProcessor& geometryProcessor, | 200 const GrGeometryProcessor& geometryProcessor, |
| 201 const GrProcessorKey& key, | 201 const GrProcessorKey& key, |
| 202 const char* outputColor, | 202 const char* outputColor, |
| 203 const char* inputColor, | 203 const char* inputColor, |
| 204 const TransformedCoordsArray&, | 204 const TransformedCoordsArray&, |
| 205 const TextureSamplerArray& samplers) { | 205 const TextureSamplerArray& samplers) { |
| 206 const char *vsName, *fsName; | 206 const char *vsName, *fsName; |
| 207 builder->addVarying(kVec4f_GrSLType, "HairQuadEdge", &vsName, &fsName); | 207 builder->addVarying(kVec4f_GrSLType, "HairQuadEdge", &vsName, &fsName); |
| 208 | 208 |
| 209 GrGLVertexBuilder* vsBuilder = builder->getVertexShaderBuilder(); | 209 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 210 const GrShaderVar& inHairQuadEdge = geometryProcessor.cast<GrQuadEffect>().i
nHairQuadEdge(); | 210 const GrShaderVar& inHairQuadEdge = geometryProcessor.cast<GrQuadEffect>().i
nHairQuadEdge(); |
| 211 vsBuilder->codeAppendf("%s = %s;", vsName, inHairQuadEdge.c_str()); | 211 vsBuilder->codeAppendf("%s = %s;", vsName, inHairQuadEdge.c_str()); |
| 212 | 212 |
| 213 GrGLGPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 213 GrGLProcessorFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBu
ilder(); |
| 214 fsBuilder->codeAppendf("float edgeAlpha;"); | 214 fsBuilder->codeAppendf("float edgeAlpha;"); |
| 215 | 215 |
| 216 switch (fEdgeType) { | 216 switch (fEdgeType) { |
| 217 case kHairlineAA_GrProcessorEdgeType: { | 217 case kHairlineAA_GrProcessorEdgeType: { |
| 218 SkAssertResult(fsBuilder->enableFeature( | 218 SkAssertResult(fsBuilder->enableFeature( |
| 219 GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)
); | 219 GrGLFragmentShaderBuilder::kStandardDerivatives_GLSLFeature)
); |
| 220 fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", fsName); | 220 fsBuilder->codeAppendf("vec2 duvdx = dFdx(%s.xy);", fsName); |
| 221 fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", fsName); | 221 fsBuilder->codeAppendf("vec2 duvdy = dFdy(%s.xy);", fsName); |
| 222 fsBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.
y," | 222 fsBuilder->codeAppendf("vec2 gF = vec2(2.0 * %s.x * duvdx.x - duvdx.
y," |
| 223 " 2.0 * %s.x * duvdy.x - duvdy.
y);", | 223 " 2.0 * %s.x * duvdy.x - duvdy.
y);", |
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| 302 } | 302 } |
| 303 | 303 |
| 304 ////////////////////////////////////////////////////////////////////////////// | 304 ////////////////////////////////////////////////////////////////////////////// |
| 305 // Cubic | 305 // Cubic |
| 306 ////////////////////////////////////////////////////////////////////////////// | 306 ////////////////////////////////////////////////////////////////////////////// |
| 307 | 307 |
| 308 class GrGLCubicEffect : public GrGLGeometryProcessor { | 308 class GrGLCubicEffect : public GrGLGeometryProcessor { |
| 309 public: | 309 public: |
| 310 GrGLCubicEffect(const GrBackendProcessorFactory&, const GrProcessor&); | 310 GrGLCubicEffect(const GrBackendProcessorFactory&, const GrProcessor&); |
| 311 | 311 |
| 312 virtual void emitCode(GrGLGPBuilder* builder, | 312 virtual void emitCode(GrGLFullProgramBuilder* builder, |
| 313 const GrGeometryProcessor& geometryProcessor, | 313 const GrGeometryProcessor& geometryProcessor, |
| 314 const GrProcessorKey& key, | 314 const GrProcessorKey& key, |
| 315 const char* outputColor, | 315 const char* outputColor, |
| 316 const char* inputColor, | 316 const char* inputColor, |
| 317 const TransformedCoordsArray&, | 317 const TransformedCoordsArray&, |
| 318 const TextureSamplerArray&) SK_OVERRIDE; | 318 const TextureSamplerArray&) SK_OVERRIDE; |
| 319 | 319 |
| 320 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); | 320 static inline void GenKey(const GrProcessor&, const GrGLCaps&, GrProcessorKe
yBuilder*); |
| 321 | 321 |
| 322 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} | 322 virtual void setData(const GrGLProgramDataManager&, const GrProcessor&) SK_O
VERRIDE {} |
| 323 | 323 |
| 324 private: | 324 private: |
| 325 GrPrimitiveEdgeType fEdgeType; | 325 GrPrimitiveEdgeType fEdgeType; |
| 326 | 326 |
| 327 typedef GrGLGeometryProcessor INHERITED; | 327 typedef GrGLGeometryProcessor INHERITED; |
| 328 }; | 328 }; |
| 329 | 329 |
| 330 GrGLCubicEffect::GrGLCubicEffect(const GrBackendProcessorFactory& factory, | 330 GrGLCubicEffect::GrGLCubicEffect(const GrBackendProcessorFactory& factory, |
| 331 const GrProcessor& processor) | 331 const GrProcessor& processor) |
| 332 : INHERITED (factory) { | 332 : INHERITED (factory) { |
| 333 const GrCubicEffect& ce = processor.cast<GrCubicEffect>(); | 333 const GrCubicEffect& ce = processor.cast<GrCubicEffect>(); |
| 334 fEdgeType = ce.getEdgeType(); | 334 fEdgeType = ce.getEdgeType(); |
| 335 } | 335 } |
| 336 | 336 |
| 337 void GrGLCubicEffect::emitCode(GrGLGPBuilder* builder, | 337 void GrGLCubicEffect::emitCode(GrGLFullProgramBuilder* builder, |
| 338 const GrGeometryProcessor& geometryProcessor, | 338 const GrGeometryProcessor& geometryProcessor, |
| 339 const GrProcessorKey& key, | 339 const GrProcessorKey& key, |
| 340 const char* outputColor, | 340 const char* outputColor, |
| 341 const char* inputColor, | 341 const char* inputColor, |
| 342 const TransformedCoordsArray&, | 342 const TransformedCoordsArray&, |
| 343 const TextureSamplerArray& samplers) { | 343 const TextureSamplerArray& samplers) { |
| 344 const char *vsName, *fsName; | 344 const char *vsName, *fsName; |
| 345 | 345 |
| 346 builder->addVarying(kVec4f_GrSLType, "CubicCoeffs", | 346 builder->addVarying(kVec4f_GrSLType, "CubicCoeffs", |
| 347 &vsName, &fsName, GrGLShaderVar::kHigh_Precision); | 347 &vsName, &fsName, GrGLShaderVar::kHigh_Precision); |
| 348 | 348 |
| 349 GrGLVertexBuilder* vsBuilder = builder->getVertexShaderBuilder(); | 349 GrGLVertexShaderBuilder* vsBuilder = builder->getVertexShaderBuilder(); |
| 350 const GrShaderVar& inCubicCoeffs = geometryProcessor.cast<GrCubicEffect>().i
nCubicCoeffs(); | 350 const GrShaderVar& inCubicCoeffs = geometryProcessor.cast<GrCubicEffect>().i
nCubicCoeffs(); |
| 351 vsBuilder->codeAppendf("%s = %s;", vsName, inCubicCoeffs.c_str()); | 351 vsBuilder->codeAppendf("%s = %s;", vsName, inCubicCoeffs.c_str()); |
| 352 | 352 |
| 353 GrGLGPFragmentBuilder* fsBuilder = builder->getFragmentShaderBuilder(); | 353 GrGLProcessorFragmentShaderBuilder* fsBuilder = builder->getFragmentShaderBu
ilder(); |
| 354 | 354 |
| 355 GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHig
h_Precision); | 355 GrGLShaderVar edgeAlpha("edgeAlpha", kFloat_GrSLType, 0, GrGLShaderVar::kHig
h_Precision); |
| 356 GrGLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Prec
ision); | 356 GrGLShaderVar dklmdx("dklmdx", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Prec
ision); |
| 357 GrGLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Prec
ision); | 357 GrGLShaderVar dklmdy("dklmdy", kVec3f_GrSLType, 0, GrGLShaderVar::kHigh_Prec
ision); |
| 358 GrGLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); | 358 GrGLShaderVar dfdx("dfdx", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); |
| 359 GrGLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); | 359 GrGLShaderVar dfdy("dfdy", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); |
| 360 GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); | 360 GrGLShaderVar gF("gF", kVec2f_GrSLType, 0, GrGLShaderVar::kHigh_Precision); |
| 361 GrGLShaderVar gFM("gFM", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision)
; | 361 GrGLShaderVar gFM("gFM", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precision)
; |
| 362 GrGLShaderVar func("func", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); | 362 GrGLShaderVar func("func", kFloat_GrSLType, 0, GrGLShaderVar::kHigh_Precisio
n); |
| 363 | 363 |
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| 474 GrTexture*[]) { | 474 GrTexture*[]) { |
| 475 GrGeometryProcessor* gp; | 475 GrGeometryProcessor* gp; |
| 476 do { | 476 do { |
| 477 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( | 477 GrPrimitiveEdgeType edgeType = static_cast<GrPrimitiveEdgeType>( |
| 478 random->nextULessThan(kGrPro
cessorEdgeTypeCnt)); | 478 random->nextULessThan(kGrPro
cessorEdgeTypeCnt)); |
| 479 gp = GrCubicEffect::Create(edgeType, caps); | 479 gp = GrCubicEffect::Create(edgeType, caps); |
| 480 } while (NULL == gp); | 480 } while (NULL == gp); |
| 481 return gp; | 481 return gp; |
| 482 } | 482 } |
| 483 | 483 |
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