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| 1 /* | 1 /* |
| 2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "GrBicubicEffect.h" | 8 #include "GrBicubicEffect.h" |
| 9 #include "GrInvariantOutput.h" | 9 #include "GrInvariantOutput.h" |
| 10 #include "glsl/GrGLSLFragmentShaderBuilder.h" | 10 #include "glsl/GrGLSLFragmentShaderBuilder.h" |
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| 145 : INHERITED(texture, matrix, | 145 : INHERITED(texture, matrix, |
| 146 GrTextureParams(SkShader::kClamp_TileMode, GrTextureParams::kNone_
FilterMode)) | 146 GrTextureParams(SkShader::kClamp_TileMode, GrTextureParams::kNone_
FilterMode)) |
| 147 , fDomain(domain, GrTextureDomain::kClamp_Mode) { | 147 , fDomain(domain, GrTextureDomain::kClamp_Mode) { |
| 148 this->initClassID<GrBicubicEffect>(); | 148 this->initClassID<GrBicubicEffect>(); |
| 149 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); | 149 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); |
| 150 } | 150 } |
| 151 | 151 |
| 152 GrBicubicEffect::~GrBicubicEffect() { | 152 GrBicubicEffect::~GrBicubicEffect() { |
| 153 } | 153 } |
| 154 | 154 |
| 155 void GrBicubicEffect::onGetGLProcessorKey(const GrGLSLCaps& caps, | 155 void GrBicubicEffect::onGetGLSLProcessorKey(const GrGLSLCaps& caps, |
| 156 GrProcessorKeyBuilder* b) const { | 156 GrProcessorKeyBuilder* b) const { |
| 157 GrGLBicubicEffect::GenKey(*this, caps, b); | 157 GrGLBicubicEffect::GenKey(*this, caps, b); |
| 158 } | 158 } |
| 159 | 159 |
| 160 GrGLSLFragmentProcessor* GrBicubicEffect::onCreateGLInstance() const { | 160 GrGLSLFragmentProcessor* GrBicubicEffect::onCreateGLSLInstance() const { |
| 161 return new GrGLBicubicEffect(*this); | 161 return new GrGLBicubicEffect(*this); |
| 162 } | 162 } |
| 163 | 163 |
| 164 bool GrBicubicEffect::onIsEqual(const GrFragmentProcessor& sBase) const { | 164 bool GrBicubicEffect::onIsEqual(const GrFragmentProcessor& sBase) const { |
| 165 const GrBicubicEffect& s = sBase.cast<GrBicubicEffect>(); | 165 const GrBicubicEffect& s = sBase.cast<GrBicubicEffect>(); |
| 166 return !memcmp(fCoefficients, s.coefficients(), 16) && | 166 return !memcmp(fCoefficients, s.coefficients(), 16) && |
| 167 fDomain == s.fDomain; | 167 fDomain == s.fDomain; |
| 168 } | 168 } |
| 169 | 169 |
| 170 void GrBicubicEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { | 170 void GrBicubicEffect::onComputeInvariantOutput(GrInvariantOutput* inout) const { |
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| 209 // Use bilerp to handle rotation or fractional translation. | 209 // Use bilerp to handle rotation or fractional translation. |
| 210 *filterMode = GrTextureParams::kBilerp_FilterMode; | 210 *filterMode = GrTextureParams::kBilerp_FilterMode; |
| 211 } | 211 } |
| 212 return false; | 212 return false; |
| 213 } | 213 } |
| 214 // When we use the bicubic filtering effect each sample is read from the tex
ture using | 214 // When we use the bicubic filtering effect each sample is read from the tex
ture using |
| 215 // nearest neighbor sampling. | 215 // nearest neighbor sampling. |
| 216 *filterMode = GrTextureParams::kNone_FilterMode; | 216 *filterMode = GrTextureParams::kNone_FilterMode; |
| 217 return true; | 217 return true; |
| 218 } | 218 } |
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