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| Rev | Author | Line No. | Line |
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| 57 | pj | 1 | /* $Id: s_masking.h,v 1.1 2003-02-28 11:49:42 pj Exp $ */ |
| 2 | |||
| 3 | /* |
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| 4 | * Mesa 3-D graphics library |
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| 5 | * Version: 4.1 |
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| 6 | * |
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| 7 | * Copyright (C) 1999-2002 Brian Paul All Rights Reserved. |
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| 8 | * |
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| 9 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 10 | * copy of this software and associated documentation files (the "Software"), |
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| 11 | * to deal in the Software without restriction, including without limitation |
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| 12 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 13 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 14 | * Software is furnished to do so, subject to the following conditions: |
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| 15 | * |
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| 16 | * The above copyright notice and this permission notice shall be included |
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| 17 | * in all copies or substantial portions of the Software. |
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| 18 | * |
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| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
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| 20 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 22 | * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
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| 23 | * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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| 24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
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| 25 | */ |
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| 26 | |||
| 27 | |||
| 28 | #ifndef S_MASKING_H |
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| 29 | #define S_MASKING_H |
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| 30 | |||
| 31 | |||
| 32 | #include "mtypes.h" |
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| 33 | #include "swrast.h" |
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| 34 | |||
| 35 | |||
| 36 | /* |
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| 37 | * Implement glColorMask for a span of RGBA pixels. |
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| 38 | */ |
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| 39 | extern void |
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| 40 | _mesa_mask_rgba_span( GLcontext *ctx, const struct sw_span *span, |
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| 41 | GLchan rgba[][4] ); |
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| 42 | |||
| 43 | |||
| 44 | extern void |
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| 45 | _mesa_mask_rgba_array( GLcontext *ctx, GLuint n, GLint x, GLint y, |
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| 46 | GLchan rgba[][4] ); |
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| 47 | |||
| 48 | |||
| 49 | /* |
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| 50 | * Implement glIndexMask for a span of CI pixels. |
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| 51 | */ |
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| 52 | extern void |
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| 53 | _mesa_mask_index_span( GLcontext *ctx, const struct sw_span *span, |
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| 54 | GLuint index[] ); |
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| 55 | |||
| 56 | |||
| 57 | extern void |
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| 58 | _mesa_mask_index_array( GLcontext *ctx, |
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| 59 | GLuint n, GLint x, GLint y, GLuint index[] ); |
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| 60 | |||
| 61 | |||
| 62 | #endif |