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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 #ifndef GrSingleTextureEffect_DEFINED | 8 #ifndef GrSingleTextureEffect_DEFINED |
9 #define GrSingleTextureEffect_DEFINED | 9 #define GrSingleTextureEffect_DEFINED |
10 | 10 |
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27 GrSingleTextureEffect(GrTexture*, const SkMatrix&, GrCoordSet = kLocal_GrCoo
rdSet); | 27 GrSingleTextureEffect(GrTexture*, const SkMatrix&, GrCoordSet = kLocal_GrCoo
rdSet); |
28 /** clamp mode */ | 28 /** clamp mode */ |
29 GrSingleTextureEffect(GrTexture*, const SkMatrix&, GrTextureParams::FilterMo
de filterMode, | 29 GrSingleTextureEffect(GrTexture*, const SkMatrix&, GrTextureParams::FilterMo
de filterMode, |
30 GrCoordSet = kLocal_GrCoordSet); | 30 GrCoordSet = kLocal_GrCoordSet); |
31 GrSingleTextureEffect(GrTexture*, | 31 GrSingleTextureEffect(GrTexture*, |
32 const SkMatrix&, | 32 const SkMatrix&, |
33 const GrTextureParams&, | 33 const GrTextureParams&, |
34 GrCoordSet = kLocal_GrCoordSet); | 34 GrCoordSet = kLocal_GrCoordSet); |
35 | 35 |
36 /** | 36 /** |
37 * Helper for subclass onIsEqual() functions. | |
38 */ | |
39 bool hasSameTextureParamsMatrixAndSourceCoords(const GrSingleTextureEffect&
other) const { | |
40 // We don't have to check the accesses' swizzles because they are inferr
ed from the texture. | |
41 return fTextureAccess == other.fTextureAccess; | |
42 } | |
43 | |
44 /** | |
45 * Can be used as a helper to implement subclass onComputeInvariantOutput().
It assumes that | 37 * Can be used as a helper to implement subclass onComputeInvariantOutput().
It assumes that |
46 * the subclass output color will be a modulation of the input color with a
value read from the | 38 * the subclass output color will be a modulation of the input color with a
value read from the |
47 * texture. | 39 * texture. |
48 */ | 40 */ |
49 void updateInvariantOutputForModulation(InvariantOutput* inout) const { | 41 void updateInvariantOutputForModulation(InvariantOutput* inout) const { |
50 if (GrPixelConfigIsOpaque(this->texture(0)->config())) { | 42 if (GrPixelConfigIsOpaque(this->texture(0)->config())) { |
51 inout->mulByUnknownOpaqueColor(); | 43 inout->mulByUnknownOpaqueColor(); |
52 } else { | 44 } else { |
53 inout->mulByUnknownColor(); | 45 inout->mulByUnknownColor(); |
54 } | 46 } |
55 } | 47 } |
56 | 48 |
57 private: | 49 private: |
58 GrCoordTransform fCoordTransform; | 50 GrCoordTransform fCoordTransform; |
59 GrTextureAccess fTextureAccess; | 51 GrTextureAccess fTextureAccess; |
60 | 52 |
61 typedef GrFragmentProcessor INHERITED; | 53 typedef GrFragmentProcessor INHERITED; |
62 }; | 54 }; |
63 | 55 |
64 #endif | 56 #endif |
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