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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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| 407 rgbaYValues[3] = 0.125; | 407 rgbaYValues[3] = 0.125; |
| 408 rgbaYValues[0] = 0.375; | 408 rgbaYValues[0] = 0.375; |
| 409 rgbaYValues[1] = 0.625; | 409 rgbaYValues[1] = 0.625; |
| 410 rgbaYValues[2] = 0.875; | 410 rgbaYValues[2] = 0.875; |
| 411 } | 411 } |
| 412 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); | 412 pdm.set4fv(fRGBAYValuesUni, 1, rgbaYValues); |
| 413 } | 413 } |
| 414 | 414 |
| 415 void GLColorTableEffect::emitCode(EmitArgs& args) { | 415 void GLColorTableEffect::emitCode(EmitArgs& args) { |
| 416 const char* yoffsets; | 416 const char* yoffsets; |
| 417 fRGBAYValuesUni = args.fBuilder->addUniform(GrGLFPBuilder::kFragment_Visibil
ity, | 417 fRGBAYValuesUni = args.fBuilder->addUniform(GrGLSLFPBuilder::kFragment_Visib
ility, |
| 418 kVec4f_GrSLType, kDefault_GrSLPrecisio
n, | 418 kVec4f_GrSLType, kDefault_GrSLPr
ecision, |
| 419 "yoffsets", &yoffsets); | 419 "yoffsets", &yoffsets); |
| 420 static const float kColorScaleFactor = 255.0f / 256.0f; | 420 static const float kColorScaleFactor = 255.0f / 256.0f; |
| 421 static const float kColorOffsetFactor = 1.0f / 512.0f; | 421 static const float kColorOffsetFactor = 1.0f / 512.0f; |
| 422 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); | 422 GrGLFragmentBuilder* fsBuilder = args.fBuilder->getFragmentShaderBuilder(); |
| 423 if (nullptr == args.fInputColor) { | 423 if (nullptr == args.fInputColor) { |
| 424 // the input color is solid white (all ones). | 424 // the input color is solid white (all ones). |
| 425 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; | 425 static const float kMaxValue = kColorScaleFactor + kColorOffsetFactor; |
| 426 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n", | 426 fsBuilder->codeAppendf("\t\tvec4 coord = vec4(%f, %f, %f, %f);\n", |
| 427 kMaxValue, kMaxValue, kMaxValue, kMaxValue); | 427 kMaxValue, kMaxValue, kMaxValue, kMaxValue); |
| 428 | 428 |
| 429 } else { | 429 } else { |
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| 597 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256], | 597 SkColorFilter* SkTableColorFilter::CreateARGB(const uint8_t tableA[256], |
| 598 const uint8_t tableR[256], | 598 const uint8_t tableR[256], |
| 599 const uint8_t tableG[256], | 599 const uint8_t tableG[256], |
| 600 const uint8_t tableB[256]) { | 600 const uint8_t tableB[256]) { |
| 601 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB); | 601 return new SkTable_ColorFilter(tableA, tableR, tableG, tableB); |
| 602 } | 602 } |
| 603 | 603 |
| 604 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) | 604 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkTableColorFilter) |
| 605 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) | 605 SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkTable_ColorFilter) |
| 606 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END | 606 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END |
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