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Side by Side Diff: src/effects/SkColorMatrixFilter.cpp

Issue 1428543003: Create GLSL base class for ProgramDataManager (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: add space Created 5 years, 1 month ago
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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"
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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 "gl/GrGLFragmentProcessor.h" 388 #include "gl/GrGLFragmentProcessor.h"
389 #include "gl/builders/GrGLProgramBuilder.h" 389 #include "gl/builders/GrGLProgramBuilder.h"
390 #include "glsl/GrGLSLProgramDataManager.h"
390 391
391 class ColorMatrixEffect : public GrFragmentProcessor { 392 class ColorMatrixEffect : public GrFragmentProcessor {
392 public: 393 public:
393 static const GrFragmentProcessor* Create(const SkColorMatrix& matrix) { 394 static const GrFragmentProcessor* Create(const SkColorMatrix& matrix) {
394 return new ColorMatrixEffect(matrix); 395 return new ColorMatrixEffect(matrix);
395 } 396 }
396 397
397 const char* name() const override { return "Color Matrix"; } 398 const char* name() const override { return "Color Matrix"; }
398 399
399 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; 400 GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
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426 args.fOutputColor, 427 args.fOutputColor,
427 args.fBuilder->getUniformCStr(fMatrixHandle), 428 args.fBuilder->getUniformCStr(fMatrixHandle),
428 args.fInputColor, 429 args.fInputColor,
429 args.fBuilder->getUniformCStr(fVectorHandle)) ; 430 args.fBuilder->getUniformCStr(fVectorHandle)) ;
430 fsBuilder->codeAppendf("\t%s = clamp(%s, 0.0, 1.0);\n", 431 fsBuilder->codeAppendf("\t%s = clamp(%s, 0.0, 1.0);\n",
431 args.fOutputColor, args.fOutputColor); 432 args.fOutputColor, args.fOutputColor);
432 fsBuilder->codeAppendf("\t%s.rgb *= %s.a;\n", args.fOutputColor, arg s.fOutputColor); 433 fsBuilder->codeAppendf("\t%s.rgb *= %s.a;\n", args.fOutputColor, arg s.fOutputColor);
433 } 434 }
434 435
435 protected: 436 protected:
436 virtual void onSetData(const GrGLProgramDataManager& uniManager, 437 virtual void onSetData(const GrGLSLProgramDataManager& uniManager,
437 const GrProcessor& proc) override { 438 const GrProcessor& proc) override {
438 const ColorMatrixEffect& cme = proc.cast<ColorMatrixEffect>(); 439 const ColorMatrixEffect& cme = proc.cast<ColorMatrixEffect>();
439 const float* m = cme.fMatrix.fMat; 440 const float* m = cme.fMatrix.fMat;
440 // The GL matrix is transposed from SkColorMatrix. 441 // The GL matrix is transposed from SkColorMatrix.
441 GrGLfloat mt[] = { 442 float mt[] = {
442 m[0], m[5], m[10], m[15], 443 m[0], m[5], m[10], m[15],
443 m[1], m[6], m[11], m[16], 444 m[1], m[6], m[11], m[16],
444 m[2], m[7], m[12], m[17], 445 m[2], m[7], m[12], m[17],
445 m[3], m[8], m[13], m[18], 446 m[3], m[8], m[13], m[18],
446 }; 447 };
447 static const float kScale = 1.0f / 255.0f; 448 static const float kScale = 1.0f / 255.0f;
448 GrGLfloat vec[] = { 449 float vec[] = {
449 m[4] * kScale, m[9] * kScale, m[14] * kScale, m[19] * kScale, 450 m[4] * kScale, m[9] * kScale, m[14] * kScale, m[19] * kScale,
450 }; 451 };
451 uniManager.setMatrix4fv(fMatrixHandle, 1, mt); 452 uniManager.setMatrix4fv(fMatrixHandle, 1, mt);
452 uniManager.set4fv(fVectorHandle, 1, vec); 453 uniManager.set4fv(fVectorHandle, 1, vec);
453 } 454 }
454 455
455 private: 456 private:
456 GrGLProgramDataManager::UniformHandle fMatrixHandle; 457 GrGLSLProgramDataManager::UniformHandle fMatrixHandle;
457 GrGLProgramDataManager::UniformHandle fVectorHandle; 458 GrGLSLProgramDataManager::UniformHandle fVectorHandle;
458 459
459 typedef GrGLFragmentProcessor INHERITED; 460 typedef GrGLFragmentProcessor INHERITED;
460 }; 461 };
461 462
462 private: 463 private:
463 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) { 464 ColorMatrixEffect(const SkColorMatrix& matrix) : fMatrix(matrix) {
464 this->initClassID<ColorMatrixEffect>(); 465 this->initClassID<ColorMatrixEffect>();
465 } 466 }
466 467
467 GrGLFragmentProcessor* onCreateGLInstance() const override { return new GLPr ocessor(*this); } 468 GrGLFragmentProcessor* onCreateGLInstance() const override { return new GLPr ocessor(*this); }
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549 str->append("matrix: ("); 550 str->append("matrix: (");
550 for (int i = 0; i < 20; ++i) { 551 for (int i = 0; i < 20; ++i) {
551 str->appendScalar(fMatrix.fMat[i]); 552 str->appendScalar(fMatrix.fMat[i]);
552 if (i < 19) { 553 if (i < 19) {
553 str->append(", "); 554 str->append(", ");
554 } 555 }
555 } 556 }
556 str->append(")"); 557 str->append(")");
557 } 558 }
558 #endif 559 #endif
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