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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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