OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "SkColorMatrixFilter.h" | 8 #include "SkColorMatrixFilter.h" |
9 #include "SkColorMatrix.h" | 9 #include "SkColorMatrix.h" |
10 #include "SkColorPriv.h" | 10 #include "SkColorPriv.h" |
(...skipping 369 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
380 return SkColorMatrixFilter::Create(concat); | 380 return SkColorMatrixFilter::Create(concat); |
381 } | 381 } |
382 return nullptr; | 382 return nullptr; |
383 } | 383 } |
384 | 384 |
385 #if SK_SUPPORT_GPU | 385 #if SK_SUPPORT_GPU |
386 #include "GrFragmentProcessor.h" | 386 #include "GrFragmentProcessor.h" |
387 #include "GrInvariantOutput.h" | 387 #include "GrInvariantOutput.h" |
388 #include "glsl/GrGLSLFragmentProcessor.h" | 388 #include "glsl/GrGLSLFragmentProcessor.h" |
389 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 389 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
390 #include "glsl/GrGLSLProgramBuilder.h" | |
391 #include "glsl/GrGLSLProgramDataManager.h" | 390 #include "glsl/GrGLSLProgramDataManager.h" |
| 391 #include "glsl/GrGLSLUniformHandler.h" |
392 | 392 |
393 class ColorMatrixEffect : public GrFragmentProcessor { | 393 class ColorMatrixEffect : public GrFragmentProcessor { |
394 public: | 394 public: |
395 static const GrFragmentProcessor* Create(const SkColorMatrix& matrix) { | 395 static const GrFragmentProcessor* Create(const SkColorMatrix& matrix) { |
396 return new ColorMatrixEffect(matrix); | 396 return new ColorMatrixEffect(matrix); |
397 } | 397 } |
398 | 398 |
399 const char* name() const override { return "Color Matrix"; } | 399 const char* name() const override { return "Color Matrix"; } |
400 | 400 |
401 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 401 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
402 | 402 |
403 class GLSLProcessor : public GrGLSLFragmentProcessor { | 403 class GLSLProcessor : public GrGLSLFragmentProcessor { |
404 public: | 404 public: |
405 // this class always generates the same code. | 405 // this class always generates the same code. |
406 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder* b) {} | 406 static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKey
Builder* b) {} |
407 | 407 |
408 GLSLProcessor(const GrProcessor&) {} | 408 GLSLProcessor(const GrProcessor&) {} |
409 | 409 |
410 virtual void emitCode(EmitArgs& args) override { | 410 virtual void emitCode(EmitArgs& args) override { |
411 fMatrixHandle = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFra
gment_Visibility, | 411 GrGLSLUniformHandler* uniformHandler = args.fUniformHandler; |
412 kMat44f_GrSLType, kDefault_GrSLP
recision, | 412 fMatrixHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFr
agment_Visibility, |
413 "ColorMatrix"); | 413 kMat44f_GrSLType, kDefaul
t_GrSLPrecision, |
414 fVectorHandle = args.fBuilder->addUniform(GrGLSLProgramBuilder::kFra
gment_Visibility, | 414 "ColorMatrix"); |
415 kVec4f_GrSLType, kDefault_GrSLPr
ecision, | 415 fVectorHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFr
agment_Visibility, |
416 "ColorMatrixVector"); | 416 kVec4f_GrSLType, kDefault
_GrSLPrecision, |
| 417 "ColorMatrixVector"); |
417 | 418 |
418 if (nullptr == args.fInputColor) { | 419 if (nullptr == args.fInputColor) { |
419 // could optimize this case, but we aren't for now. | 420 // could optimize this case, but we aren't for now. |
420 args.fInputColor = "vec4(1)"; | 421 args.fInputColor = "vec4(1)"; |
421 } | 422 } |
422 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; | 423 GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder; |
423 // The max() is to guard against 0 / 0 during unpremul when the inco
ming color is | 424 // The max() is to guard against 0 / 0 during unpremul when the inco
ming color is |
424 // transparent black. | 425 // transparent black. |
425 fragBuilder->codeAppendf("\tfloat nonZeroAlpha = max(%s.a, 0.00001);
\n", | 426 fragBuilder->codeAppendf("\tfloat nonZeroAlpha = max(%s.a, 0.00001);
\n", |
426 args.fInputColor); | 427 args.fInputColor); |
427 fragBuilder->codeAppendf("\t%s = %s * vec4(%s.rgb / nonZeroAlpha, no
nZeroAlpha) + %s;\n", | 428 fragBuilder->codeAppendf("\t%s = %s * vec4(%s.rgb / nonZeroAlpha, no
nZeroAlpha) + %s;\n", |
428 args.fOutputColor, | 429 args.fOutputColor, |
429 args.fBuilder->getUniformCStr(fMatrixHandle
), | 430 uniformHandler->getUniformCStr(fMatrixHandl
e), |
430 args.fInputColor, | 431 args.fInputColor, |
431 args.fBuilder->getUniformCStr(fVectorHandle
)); | 432 uniformHandler->getUniformCStr(fVectorHandl
e)); |
432 fragBuilder->codeAppendf("\t%s = clamp(%s, 0.0, 1.0);\n", | 433 fragBuilder->codeAppendf("\t%s = clamp(%s, 0.0, 1.0);\n", |
433 args.fOutputColor, args.fOutputColor); | 434 args.fOutputColor, args.fOutputColor); |
434 fragBuilder->codeAppendf("\t%s.rgb *= %s.a;\n", args.fOutputColor, a
rgs.fOutputColor); | 435 fragBuilder->codeAppendf("\t%s.rgb *= %s.a;\n", args.fOutputColor, a
rgs.fOutputColor); |
435 } | 436 } |
436 | 437 |
437 protected: | 438 protected: |
438 virtual void onSetData(const GrGLSLProgramDataManager& uniManager, | 439 virtual void onSetData(const GrGLSLProgramDataManager& uniManager, |
439 const GrProcessor& proc) override { | 440 const GrProcessor& proc) override { |
440 const ColorMatrixEffect& cme = proc.cast<ColorMatrixEffect>(); | 441 const ColorMatrixEffect& cme = proc.cast<ColorMatrixEffect>(); |
441 const float* m = cme.fMatrix.fMat; | 442 const float* m = cme.fMatrix.fMat; |
(...skipping 111 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
553 str->append("matrix: ("); | 554 str->append("matrix: ("); |
554 for (int i = 0; i < 20; ++i) { | 555 for (int i = 0; i < 20; ++i) { |
555 str->appendScalar(fMatrix.fMat[i]); | 556 str->appendScalar(fMatrix.fMat[i]); |
556 if (i < 19) { | 557 if (i < 19) { |
557 str->append(", "); | 558 str->append(", "); |
558 } | 559 } |
559 } | 560 } |
560 str->append(")"); | 561 str->append(")"); |
561 } | 562 } |
562 #endif | 563 #endif |
OLD | NEW |