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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 "SkBitmapProcShader.h" | 8 #include "SkBitmapProcShader.h" |
9 #include "SkBitmapProvider.h" | 9 #include "SkBitmapProvider.h" |
10 #include "SkImage_Base.h" | 10 #include "SkImage_Base.h" |
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76 | 76 |
77 #if SK_SUPPORT_GPU | 77 #if SK_SUPPORT_GPU |
78 | 78 |
79 #include "GrTextureAccess.h" | 79 #include "GrTextureAccess.h" |
80 #include "SkGr.h" | 80 #include "SkGr.h" |
81 #include "SkGrPriv.h" | 81 #include "SkGrPriv.h" |
82 #include "effects/GrSimpleTextureEffect.h" | 82 #include "effects/GrSimpleTextureEffect.h" |
83 #include "effects/GrBicubicEffect.h" | 83 #include "effects/GrBicubicEffect.h" |
84 #include "effects/GrSimpleTextureEffect.h" | 84 #include "effects/GrSimpleTextureEffect.h" |
85 | 85 |
86 const GrFragmentProcessor* SkImageShader::asFragmentProcessor(GrContext* context
, | 86 const GrFragmentProcessor* SkImageShader::asFragmentProcessor( |
87 const SkMatrix& vi
ewM, | 87 GrContext* context, |
88 const SkMatrix* lo
calMatrix, | 88 const SkMatrix& viewM, |
89 SkFilterQuality fi
lterQuality) const { | 89 const SkMatrix* localMatrix
, |
| 90 SkFilterQuality filterQuali
ty, |
| 91 SkSourceGammaTreatment gamm
aTreatment) const { |
90 SkMatrix matrix; | 92 SkMatrix matrix; |
91 matrix.setIDiv(fImage->width(), fImage->height()); | 93 matrix.setIDiv(fImage->width(), fImage->height()); |
92 | 94 |
93 SkMatrix lmInverse; | 95 SkMatrix lmInverse; |
94 if (!this->getLocalMatrix().invert(&lmInverse)) { | 96 if (!this->getLocalMatrix().invert(&lmInverse)) { |
95 return nullptr; | 97 return nullptr; |
96 } | 98 } |
97 if (localMatrix) { | 99 if (localMatrix) { |
98 SkMatrix inv; | 100 SkMatrix inv; |
99 if (!localMatrix->invert(&inv)) { | 101 if (!localMatrix->invert(&inv)) { |
100 return nullptr; | 102 return nullptr; |
101 } | 103 } |
102 lmInverse.postConcat(inv); | 104 lmInverse.postConcat(inv); |
103 } | 105 } |
104 matrix.preConcat(lmInverse); | 106 matrix.preConcat(lmInverse); |
105 | 107 |
106 SkShader::TileMode tm[] = { fTileModeX, fTileModeY }; | 108 SkShader::TileMode tm[] = { fTileModeX, fTileModeY }; |
107 | 109 |
108 // Must set wrap and filter on the sampler before requesting a texture. In t
wo places below | 110 // Must set wrap and filter on the sampler before requesting a texture. In t
wo places below |
109 // we check the matrix scale factors to determine how to interpret the filte
r quality setting. | 111 // we check the matrix scale factors to determine how to interpret the filte
r quality setting. |
110 // This completely ignores the complexity of the drawVertices case where exp
licit local coords | 112 // This completely ignores the complexity of the drawVertices case where exp
licit local coords |
111 // are provided by the caller. | 113 // are provided by the caller. |
112 bool doBicubic; | 114 bool doBicubic; |
113 GrTextureParams::FilterMode textureFilterMode = | 115 GrTextureParams::FilterMode textureFilterMode = |
114 GrSkFilterQualityToGrFilterMode(filterQuality, viewM, this->getLocalMatrix()
, &doBicubic); | 116 GrSkFilterQualityToGrFilterMode(filterQuality, viewM, this->getLocalMatrix()
, &doBicubic); |
115 GrTextureParams params(tm, textureFilterMode); | 117 GrTextureParams params(tm, textureFilterMode); |
116 SkAutoTUnref<GrTexture> texture(as_IB(fImage)->asTextureRef(context, params)
); | 118 SkAutoTUnref<GrTexture> texture(as_IB(fImage)->asTextureRef(context, params,
gammaTreatment)); |
117 if (!texture) { | 119 if (!texture) { |
118 return nullptr; | 120 return nullptr; |
119 } | 121 } |
120 | 122 |
121 SkAutoTUnref<const GrFragmentProcessor> inner; | 123 SkAutoTUnref<const GrFragmentProcessor> inner; |
122 if (doBicubic) { | 124 if (doBicubic) { |
123 inner.reset(GrBicubicEffect::Create(texture, matrix, tm)); | 125 inner.reset(GrBicubicEffect::Create(texture, matrix, tm)); |
124 } else { | 126 } else { |
125 inner.reset(GrSimpleTextureEffect::Create(texture, matrix, params)); | 127 inner.reset(GrSimpleTextureEffect::Create(texture, matrix, params)); |
126 } | 128 } |
127 | 129 |
128 if (GrPixelConfigIsAlphaOnly(texture->config())) { | 130 if (GrPixelConfigIsAlphaOnly(texture->config())) { |
129 return SkRef(inner.get()); | 131 return SkRef(inner.get()); |
130 } | 132 } |
131 return GrFragmentProcessor::MulOutputByInputAlpha(inner); | 133 return GrFragmentProcessor::MulOutputByInputAlpha(inner); |
132 } | 134 } |
133 | 135 |
134 #endif | 136 #endif |
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