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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 | 9 |
| 10 #ifndef GrPaint_DEFINED | 10 #ifndef GrPaint_DEFINED |
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| 80 | 80 |
| 81 /** | 81 /** |
| 82 * Should dithering be applied. Defaults to false. | 82 * Should dithering be applied. Defaults to false. |
| 83 */ | 83 */ |
| 84 void setDither(bool dither) { fDither = dither; } | 84 void setDither(bool dither) { fDither = dither; } |
| 85 bool isDither() const { return fDither; } | 85 bool isDither() const { return fDither; } |
| 86 | 86 |
| 87 /** | 87 /** |
| 88 * Appends an additional color effect to the color computation. | 88 * Appends an additional color effect to the color computation. |
| 89 */ | 89 */ |
| 90 const GrEffect* addColorEffect(const GrEffect* effect, int attr0 = -1, int a
ttr1 = -1) { | 90 const GrEffect* addColorEffect(const GrEffect* effect) { |
| 91 SkASSERT(effect); | 91 SkASSERT(effect); |
| 92 SkASSERT(!effect->requiresVertexShader()); |
| 92 if (!effect->willUseInputColor()) { | 93 if (!effect->willUseInputColor()) { |
| 93 fColorStages.reset(); | 94 fColorStages.reset(); |
| 94 } | 95 } |
| 95 SkNEW_APPEND_TO_TARRAY(&fColorStages, GrEffectStage, (effect, attr0, att
r1)); | 96 SkNEW_APPEND_TO_TARRAY(&fColorStages, GrEffectStage, (effect)); |
| 96 return effect; | 97 return effect; |
| 97 } | 98 } |
| 98 | 99 |
| 99 /** | 100 /** |
| 100 * Appends an additional coverage effect to the coverage computation. | 101 * Appends an additional coverage effect to the coverage computation. |
| 101 */ | 102 */ |
| 102 const GrEffect* addCoverageEffect(const GrEffect* effect, int attr0 = -1, in
t attr1 = -1) { | 103 const GrEffect* addCoverageEffect(const GrEffect* effect) { |
| 103 SkASSERT(effect); | 104 SkASSERT(effect); |
| 105 SkASSERT(!effect->requiresVertexShader()); |
| 104 if (!effect->willUseInputColor()) { | 106 if (!effect->willUseInputColor()) { |
| 105 fCoverageStages.reset(); | 107 fCoverageStages.reset(); |
| 106 } | 108 } |
| 107 SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrEffectStage, (effect, attr0,
attr1)); | 109 SkNEW_APPEND_TO_TARRAY(&fCoverageStages, GrEffectStage, (effect)); |
| 108 return effect; | 110 return effect; |
| 109 } | 111 } |
| 110 | 112 |
| 111 /** | 113 /** |
| 112 * Helpers for adding color or coverage effects that sample a texture. The m
atrix is applied | 114 * Helpers for adding color or coverage effects that sample a texture. The m
atrix is applied |
| 113 * to the src space position to compute texture coordinates. | 115 * to the src space position to compute texture coordinates. |
| 114 */ | 116 */ |
| 115 void addColorTextureEffect(GrTexture* texture, const SkMatrix& matrix); | 117 void addColorTextureEffect(GrTexture* texture, const SkMatrix& matrix); |
| 116 void addCoverageTextureEffect(GrTexture* texture, const SkMatrix& matrix); | 118 void addCoverageTextureEffect(GrTexture* texture, const SkMatrix& matrix); |
| 117 | 119 |
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| 245 fCoverage = 0xff; | 247 fCoverage = 0xff; |
| 246 } | 248 } |
| 247 | 249 |
| 248 void resetStages() { | 250 void resetStages() { |
| 249 fColorStages.reset(); | 251 fColorStages.reset(); |
| 250 fCoverageStages.reset(); | 252 fCoverageStages.reset(); |
| 251 } | 253 } |
| 252 }; | 254 }; |
| 253 | 255 |
| 254 #endif | 256 #endif |
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