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

Issue 1438003003: Move all ShaderBuilder files to GLSL (Closed) Base URL: https://skia.googlesource.com/skia.git@glslProgBuild
Patch Set: nits Created 5 years, 1 month ago
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1 /* 1 /*
2 * Copyright 2015 Google Inc. 2 * Copyright 2015 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 "SkTableColorFilter.h" 8 #include "SkTableColorFilter.h"
9 9
10 #include "SkBitmap.h" 10 #include "SkBitmap.h"
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329 return SkTableColorFilter::CreateARGB(concatA, concatR, concatG, concatB); 329 return SkTableColorFilter::CreateARGB(concatA, concatR, concatG, concatB);
330 } 330 }
331 331
332 #if SK_SUPPORT_GPU 332 #if SK_SUPPORT_GPU
333 333
334 #include "GrFragmentProcessor.h" 334 #include "GrFragmentProcessor.h"
335 #include "GrInvariantOutput.h" 335 #include "GrInvariantOutput.h"
336 #include "SkGr.h" 336 #include "SkGr.h"
337 #include "effects/GrTextureStripAtlas.h" 337 #include "effects/GrTextureStripAtlas.h"
338 #include "gl/GrGLFragmentProcessor.h" 338 #include "gl/GrGLFragmentProcessor.h"
339 #include "gl/builders/GrGLProgramBuilder.h" 339 #include "glsl/GrGLSLFragmentShaderBuilder.h"
340 #include "glsl/GrGLSLProgramBuilder.h"
340 #include "glsl/GrGLSLProgramDataManager.h" 341 #include "glsl/GrGLSLProgramDataManager.h"
341 342
342 class ColorTableEffect : public GrFragmentProcessor { 343 class ColorTableEffect : public GrFragmentProcessor {
343 public: 344 public:
344 static const GrFragmentProcessor* Create(GrContext* context, SkBitmap bitmap , unsigned flags); 345 static const GrFragmentProcessor* Create(GrContext* context, SkBitmap bitmap , unsigned flags);
345 346
346 virtual ~ColorTableEffect(); 347 virtual ~ColorTableEffect();
347 348
348 const char* name() const override { return "ColorTable"; } 349 const char* name() const override { return "ColorTable"; }
349 350
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412 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); 413 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues);
413 } 414 }
414 415
415 void GLColorTableEffect::emitCode(EmitArgs& args) { 416 void GLColorTableEffect::emitCode(EmitArgs& args) {
416 const char* yoffsets; 417 const char* yoffsets;
417 fRGBAYValuesUni = args.fBuilder->addUniform(GrGLSLFPBuilder::kFragment_Visib ility, 418 fRGBAYValuesUni = args.fBuilder->addUniform(GrGLSLFPBuilder::kFragment_Visib ility,
418 kVec4f_GrSLType, kDefault_GrSLPr ecision, 419 kVec4f_GrSLType, kDefault_GrSLPr ecision,
419 "yoffsets", &yoffsets); 420 "yoffsets", &yoffsets);
420 static const float kColorScaleFactor = 255.0f / 256.0f; 421 static const float kColorScaleFactor = 255.0f / 256.0f;
421 static const float kColorOffsetFactor = 1.0f / 512.0f; 422 static const float kColorOffsetFactor = 1.0f / 512.0f;
422 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); 423 GrGLSLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder() ;
423 if (nullptr == args.fInputColor) { 424 if (nullptr == args.fInputColor) {
424 // the input color is solid white (all ones). 425 // the input color is solid white (all ones).
425 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; 426 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor;
426 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n", 427 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n",
427 kMaxValue, kMaxValue, kMaxValue, kMaxValue); 428 kMaxValue, kMaxValue, kMaxValue, kMaxValue);
428 429
429 } else { 430 } else {
430 fsBuilder->codeAppendf("\t\tfloat nonZeroAlpha = max(%s.a, .0001);\n", a rgs.fInputColor); 431 fsBuilder->codeAppendf("\t\tfloat nonZeroAlpha = max(%s.a, .0001);\n", a rgs.fInputColor);
431 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%s.rgb / nonZeroAlpha, non ZeroAlpha);\n", 432 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%s.rgb / nonZeroAlpha, non ZeroAlpha);\n",
432 args.fInputColor); 433 args.fInputColor);
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494 this->addTextureAccess(&fTextureAccess); 495 this->addTextureAccess(&fTextureAccess);
495 } 496 }
496 497
497 ColorTableEffect::~ColorTableEffect() { 498 ColorTableEffect::~ColorTableEffect() {
498 if (fAtlas) { 499 if (fAtlas) {
499 fAtlas->unlockRow(fRow); 500 fAtlas->unlockRow(fRow);
500 } 501 }
501 } 502 }
502 503
503 void ColorTableEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, 504 void ColorTableEffect::onGetGLProcessorKey(const GrGLSLCaps& caps,
504 GrProcessorKeyBuilder* b) const { 505 GrProcessorKeyBuilder* b) const {
505 GLColorTableEffect::GenKey(*this, caps, b); 506 GLColorTableEffect::GenKey(*this, caps, b);
506 } 507 }
507 508
508 GrGLFragmentProcessor* ColorTableEffect::onCreateGLInstance() const { 509 GrGLFragmentProcessor* ColorTableEffect::onCreateGLInstance() const {
509 return new GLColorTableEffect(*this); 510 return new GLColorTableEffect(*this);
510 } 511 }
511 512
512 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const { 513 bool ColorTableEffect::onIsEqual(const GrFragmentProcessor& other) const {
513 // For non-atlased instances, the texture (compared by base class) is suffic ient to 514 // For non-atlased instances, the texture (compared by base class) is suffic ient to
514 // differentiate different tables. For atlased instances we ensure they are using the 515 // differentiate different tables. For atlased instances we ensure they are using the
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597 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256], 598 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256],
598 const uint8_t tableR[256], 599 const uint8_t tableR[256],
599 const uint8_t tableG[256], 600 const uint8_t tableG[256],
600 const uint8_t tableB[256]) { 601 const uint8_t tableB[256]) {
601 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB); 602 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB);
602 } 603 }
603 604
604 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) 605 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter)
605 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) 606 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter)
606 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END 607 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END
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