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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 "GrTextureDomain.h" | 12 #include "GrTextureDomain.h" |
| 13 #include "gl/GrGLProcessor.h" | 13 #include "gl/GrGLFragmentProcessor.h" |
| 14 | 14 |
| 15 class GrGLBicubicEffect; | 15 class GrGLBicubicEffect; |
| 16 class GrInvariantOutput; | 16 class GrInvariantOutput; |
| 17 | 17 |
| 18 class GrBicubicEffect : public GrSingleTextureEffect { | 18 class GrBicubicEffect : public GrSingleTextureEffect { |
| 19 public: | 19 public: |
| 20 enum { | 20 enum { |
| 21 kFilterTexelPad = 2, // Given a src rect in texels to be filtered, this
number of | 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. | 22 // surrounding texels are needed by the kernel in x
and y. |
| 23 }; | 23 }; |
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| 102 GrTextureDomain fDomain; | 102 GrTextureDomain fDomain; |
| 103 | 103 |
| 104 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; | 104 GR_DECLARE_FRAGMENT_PROCESSOR_TEST; |
| 105 | 105 |
| 106 static const SkScalar gMitchellCoefficients[16]; | 106 static const SkScalar gMitchellCoefficients[16]; |
| 107 | 107 |
| 108 typedef GrSingleTextureEffect INHERITED; | 108 typedef GrSingleTextureEffect INHERITED; |
| 109 }; | 109 }; |
| 110 | 110 |
| 111 #endif | 111 #endif |
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