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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 "gl/builders/GrGLProgramBuilder.h" | 10 #include "gl/builders/GrGLProgramBuilder.h" |
| (...skipping 116 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 127 | 127 |
| 128 static inline void convert_row_major_scalar_coeffs_to_column_major_floats(float
dst[16], | 128 static inline void convert_row_major_scalar_coeffs_to_column_major_floats(float
dst[16], |
| 129 const
SkScalar src[16]) { | 129 const
SkScalar src[16]) { |
| 130 for (int y = 0; y < 4; y++) { | 130 for (int y = 0; y < 4; y++) { |
| 131 for (int x = 0; x < 4; x++) { | 131 for (int x = 0; x < 4; x++) { |
| 132 dst[x * 4 + y] = SkScalarToFloat(src[y * 4 + x]); | 132 dst[x * 4 + y] = SkScalarToFloat(src[y * 4 + x]); |
| 133 } | 133 } |
| 134 } | 134 } |
| 135 } | 135 } |
| 136 | 136 |
| 137 GrBicubicEffect::GrBicubicEffect(GrTexture* texture, | 137 GrBicubicEffect::GrBicubicEffect(GrProcessorDataManager* procDataManager, |
| 138 GrTexture* texture, |
| 138 const SkScalar coefficients[16], | 139 const SkScalar coefficients[16], |
| 139 const SkMatrix &matrix, | 140 const SkMatrix &matrix, |
| 140 const SkShader::TileMode tileModes[2]) | 141 const SkShader::TileMode tileModes[2]) |
| 141 : INHERITED(texture, matrix, GrTextureParams(tileModes, GrTextureParams::kNone
_FilterMode)) | 142 : INHERITED(procDataManager, texture, matrix, |
| 143 GrTextureParams(tileModes, GrTextureParams::kNone_FilterMode)) |
| 142 , fDomain(GrTextureDomain::IgnoredDomain()) { | 144 , fDomain(GrTextureDomain::IgnoredDomain()) { |
| 143 this->initClassID<GrBicubicEffect>(); | 145 this->initClassID<GrBicubicEffect>(); |
| 144 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); | 146 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); |
| 145 } | 147 } |
| 146 | 148 |
| 147 GrBicubicEffect::GrBicubicEffect(GrTexture* texture, | 149 GrBicubicEffect::GrBicubicEffect(GrProcessorDataManager* procDataManager, |
| 150 GrTexture* texture, |
| 148 const SkScalar coefficients[16], | 151 const SkScalar coefficients[16], |
| 149 const SkMatrix &matrix, | 152 const SkMatrix &matrix, |
| 150 const SkRect& domain) | 153 const SkRect& domain) |
| 151 : INHERITED(texture, matrix, GrTextureParams(SkShader::kClamp_TileMode, | 154 : INHERITED(procDataManager, texture, matrix, |
| 152 GrTextureParams::kNone_FilterMode
)) | 155 GrTextureParams(SkShader::kClamp_TileMode, GrTextureParams::kNone_
FilterMode)) |
| 153 , fDomain(domain, GrTextureDomain::kClamp_Mode) { | 156 , fDomain(domain, GrTextureDomain::kClamp_Mode) { |
| 154 this->initClassID<GrBicubicEffect>(); | 157 this->initClassID<GrBicubicEffect>(); |
| 155 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); | 158 convert_row_major_scalar_coeffs_to_column_major_floats(fCoefficients, coeffi
cients); |
| 156 } | 159 } |
| 157 | 160 |
| 158 GrBicubicEffect::~GrBicubicEffect() { | 161 GrBicubicEffect::~GrBicubicEffect() { |
| 159 } | 162 } |
| 160 | 163 |
| 161 void GrBicubicEffect::getGLProcessorKey(const GrGLSLCaps& caps, | 164 void GrBicubicEffect::getGLProcessorKey(const GrGLSLCaps& caps, |
| 162 GrProcessorKeyBuilder* b) const { | 165 GrProcessorKeyBuilder* b) const { |
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| 180 | 183 |
| 181 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrBicubicEffect); | 184 GR_DEFINE_FRAGMENT_PROCESSOR_TEST(GrBicubicEffect); |
| 182 | 185 |
| 183 GrFragmentProcessor* GrBicubicEffect::TestCreate(GrProcessorTestData* d) { | 186 GrFragmentProcessor* GrBicubicEffect::TestCreate(GrProcessorTestData* d) { |
| 184 int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx
: | 187 int texIdx = d->fRandom->nextBool() ? GrProcessorUnitTest::kSkiaPMTextureIdx
: |
| 185 GrProcessorUnitTest::kAlphaTextureIdx; | 188 GrProcessorUnitTest::kAlphaTextureIdx; |
| 186 SkScalar coefficients[16]; | 189 SkScalar coefficients[16]; |
| 187 for (int i = 0; i < 16; i++) { | 190 for (int i = 0; i < 16; i++) { |
| 188 coefficients[i] = d->fRandom->nextSScalar1(); | 191 coefficients[i] = d->fRandom->nextSScalar1(); |
| 189 } | 192 } |
| 190 return GrBicubicEffect::Create(d->fTextures[texIdx], coefficients); | 193 return GrBicubicEffect::Create(d->fProcDataManager, d->fTextures[texIdx], co
efficients); |
| 191 } | 194 } |
| 192 | 195 |
| 193 ////////////////////////////////////////////////////////////////////////////// | 196 ////////////////////////////////////////////////////////////////////////////// |
| 194 | 197 |
| 195 bool GrBicubicEffect::ShouldUseBicubic(const SkMatrix& matrix, | 198 bool GrBicubicEffect::ShouldUseBicubic(const SkMatrix& matrix, |
| 196 GrTextureParams::FilterMode* filterMode)
{ | 199 GrTextureParams::FilterMode* filterMode)
{ |
| 197 if (matrix.isIdentity()) { | 200 if (matrix.isIdentity()) { |
| 198 *filterMode = GrTextureParams::kNone_FilterMode; | 201 *filterMode = GrTextureParams::kNone_FilterMode; |
| 199 return false; | 202 return false; |
| 200 } | 203 } |
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| 215 // Use bilerp to handle rotation or fractional translation. | 218 // Use bilerp to handle rotation or fractional translation. |
| 216 *filterMode = GrTextureParams::kBilerp_FilterMode; | 219 *filterMode = GrTextureParams::kBilerp_FilterMode; |
| 217 } | 220 } |
| 218 return false; | 221 return false; |
| 219 } | 222 } |
| 220 // When we use the bicubic filtering effect each sample is read from the tex
ture using | 223 // When we use the bicubic filtering effect each sample is read from the tex
ture using |
| 221 // nearest neighbor sampling. | 224 // nearest neighbor sampling. |
| 222 *filterMode = GrTextureParams::kNone_FilterMode; | 225 *filterMode = GrTextureParams::kNone_FilterMode; |
| 223 return true; | 226 return true; |
| 224 } | 227 } |
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