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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 GrGLProcessor_DEFINED | 8 #ifndef GrGLProcessor_DEFINED |
9 #define GrGLProcessor_DEFINED | 9 #define GrGLProcessor_DEFINED |
10 | 10 |
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107 @param outputColor A predefined vec4 in the FS in which the stage shoul
d place its output | 107 @param outputColor A predefined vec4 in the FS in which the stage shoul
d place its output |
108 color (or coverage). | 108 color (or coverage). |
109 @param inputColor A vec4 that holds the input color to the stage in th
e FS. This may be | 109 @param inputColor A vec4 that holds the input color to the stage in th
e FS. This may be |
110 NULL in which case the implied input is solid white
(all ones). | 110 NULL in which case the implied input is solid white
(all ones). |
111 TODO: Better system for communicating optimization i
nfo (e.g. input | 111 TODO: Better system for communicating optimization i
nfo (e.g. input |
112 color is solid white, trans black, known to be opaqu
e, etc.) that allows | 112 color is solid white, trans black, known to be opaqu
e, etc.) that allows |
113 the effect to communicate back similar known info ab
out its output. | 113 the effect to communicate back similar known info ab
out its output. |
114 @param samplers Contains one entry for each GrTextureAccess of the G
rProcessor. These | 114 @param samplers Contains one entry for each GrTextureAccess of the G
rProcessor. These |
115 can be passed to the builder to emit texture reads i
n the generated | 115 can be passed to the builder to emit texture reads i
n the generated |
116 code. | 116 code. |
| 117 TODO this should take a struct |
117 */ | 118 */ |
118 virtual void emitCode(GrGLFPBuilder* builder, | 119 virtual void emitCode(GrGLFPBuilder* builder, |
119 const GrFragmentProcessor& effect, | 120 const GrFragmentProcessor& effect, |
120 const GrProcessorKey& key, | 121 const GrProcessorKey& key, |
121 const char* outputColor, | 122 const char* outputColor, |
122 const char* inputColor, | 123 const char* inputColor, |
123 const TransformedCoordsArray& coords, | 124 const TransformedCoordsArray& coords, |
124 const TextureSamplerArray& samplers) = 0; | 125 const TextureSamplerArray& samplers) = 0; |
125 | 126 |
126 private: | 127 private: |
127 typedef GrGLProcessor INHERITED; | 128 typedef GrGLProcessor INHERITED; |
128 }; | 129 }; |
129 | 130 |
130 #endif | 131 #endif |
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