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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 GrBicubicTextureEffect_DEFINED | 8 #ifndef GrBicubicTextureEffect_DEFINED |
9 #define GrBicubicTextureEffect_DEFINED | 9 #define GrBicubicTextureEffect_DEFINED |
10 | 10 |
11 #include "GrSingleTextureEffect.h" | 11 #include "GrSingleTextureEffect.h" |
12 #include "GrDrawEffect.h" | 12 #include "GrDrawEffect.h" |
13 #include "gl/GrGLEffect.h" | 13 #include "gl/GrGLEffect.h" |
14 #include "GrTBackendEffectFactory.h" | 14 #include "GrTBackendEffectFactory.h" |
15 | 15 |
16 class GrGLBicubicEffect; | 16 class GrGLBicubicEffect; |
17 | 17 |
18 class GrBicubicEffect : public GrSingleTextureEffect { | 18 class GrBicubicEffect : public GrSingleTextureEffect { |
19 public: | 19 public: |
| 20 enum { |
| 21 kFilterTexelPad = 2, // Given a src rect in texels to be filtered, this
number of |
| 22 // surrounding texels are needed by the kernel in x
and y. |
| 23 }; |
20 virtual ~GrBicubicEffect(); | 24 virtual ~GrBicubicEffect(); |
21 | 25 |
22 static const char* Name() { return "Bicubic"; } | 26 static const char* Name() { return "Bicubic"; } |
23 const float* coefficients() const { return fCoefficients; } | 27 const float* coefficients() const { return fCoefficients; } |
24 | 28 |
25 typedef GrGLBicubicEffect GLEffect; | 29 typedef GrGLBicubicEffect GLEffect; |
26 | 30 |
27 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; | 31 virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE; |
28 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags
) const SK_OVERRIDE; | 32 virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags
) const SK_OVERRIDE; |
29 | 33 |
(...skipping 29 matching lines...) Expand all Loading... |
59 float fCoefficients[16]; | 63 float fCoefficients[16]; |
60 | 64 |
61 GR_DECLARE_EFFECT_TEST; | 65 GR_DECLARE_EFFECT_TEST; |
62 | 66 |
63 static const SkScalar gMitchellCoefficients[16]; | 67 static const SkScalar gMitchellCoefficients[16]; |
64 | 68 |
65 typedef GrSingleTextureEffect INHERITED; | 69 typedef GrSingleTextureEffect INHERITED; |
66 }; | 70 }; |
67 | 71 |
68 #endif | 72 #endif |
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