| 1 | /* $Id: pixel.h,v 1.2 2000-05-23 20:34:54 jeroen Exp $ */ | 
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| 2 |  | 
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| 3 | /* | 
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| 4 | * Mesa 3-D graphics library | 
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| 5 | * Version:  3.3 | 
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| 6 | * | 
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| 7 | * Copyright (C) 1999  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 |  | 
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| 27 |  | 
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| 28 |  | 
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| 29 |  | 
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| 30 |  | 
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| 31 | #ifndef PIXEL_H | 
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| 32 | #define PIXEL_H | 
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| 33 |  | 
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| 34 |  | 
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| 35 | #include "types.h" | 
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| 36 |  | 
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| 37 |  | 
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| 38 | /* | 
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| 39 | * API functions | 
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| 40 | */ | 
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| 41 |  | 
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| 42 |  | 
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| 43 | extern void | 
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| 44 | _mesa_GetPixelMapfv( GLenum map, GLfloat *values ); | 
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| 45 |  | 
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| 46 | extern void | 
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| 47 | _mesa_GetPixelMapuiv( GLenum map, GLuint *values ); | 
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| 48 |  | 
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| 49 | extern void | 
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| 50 | _mesa_GetPixelMapusv( GLenum map, GLushort *values ); | 
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| 51 |  | 
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| 52 | extern void | 
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| 53 | _mesa_PixelMapfv( GLenum map, GLint mapsize, const GLfloat *values ); | 
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| 54 |  | 
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| 55 | extern void | 
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| 56 | _mesa_PixelMapuiv(GLenum map, GLint mapsize, const GLuint *values ); | 
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| 57 |  | 
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| 58 | extern void | 
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| 59 | _mesa_PixelMapusv(GLenum map, GLint mapsize, const GLushort *values ); | 
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| 60 |  | 
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| 61 | extern void | 
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| 62 | _mesa_PixelStoref( GLenum pname, GLfloat param ); | 
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| 63 |  | 
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| 64 | extern void | 
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| 65 | _mesa_PixelStorei( GLenum pname, GLint param ); | 
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| 66 |  | 
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| 67 | extern void | 
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| 68 | _mesa_PixelTransferf( GLenum pname, GLfloat param ); | 
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| 69 |  | 
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| 70 | extern void | 
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| 71 | _mesa_PixelTransferi( GLenum pname, GLint param ); | 
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| 72 |  | 
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| 73 | extern void | 
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| 74 | _mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor ); | 
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| 75 |  | 
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| 76 |  | 
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| 77 |  | 
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| 78 | /* | 
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| 79 | * Pixel processing functions | 
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| 80 | */ | 
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| 81 |  | 
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| 82 | extern void gl_scale_and_bias_color( const GLcontext *ctx, GLuint n, | 
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| 83 | GLfloat red[], GLfloat green[], | 
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| 84 | GLfloat blue[], GLfloat alpha[] ); | 
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| 85 |  | 
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| 86 |  | 
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| 87 | extern void gl_scale_and_bias_rgba( const GLcontext *ctx, GLuint n, | 
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| 88 | GLubyte rgba[][4] ); | 
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| 89 |  | 
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| 90 |  | 
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| 91 | extern void gl_scale_and_bias_rgba_float( const GLcontext *ctx, GLuint n, | 
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| 92 | GLfloat rgba[][4] ); | 
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| 93 |  | 
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| 94 |  | 
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| 95 | extern void gl_map_rgba( const GLcontext *ctx, GLuint n, GLubyte rgba[][4] ); | 
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| 96 |  | 
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| 97 |  | 
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| 98 | extern void gl_map_rgba_float( const GLcontext *ctx, GLuint n, | 
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| 99 | GLfloat rgba[][4] ); | 
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| 100 |  | 
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| 101 |  | 
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| 102 | extern void gl_map_color( const GLcontext *ctx, GLuint n, | 
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| 103 | GLfloat red[], GLfloat green[], | 
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| 104 | GLfloat blue[], GLfloat alpha[] ); | 
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| 105 |  | 
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| 106 |  | 
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| 107 | extern void gl_shift_and_offset_ci( const GLcontext *ctx, GLuint n, | 
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| 108 | GLuint indexes[] ); | 
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| 109 |  | 
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| 110 |  | 
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| 111 | extern void gl_map_ci( const GLcontext *ctx, GLuint n, GLuint index[] ); | 
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| 112 |  | 
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| 113 |  | 
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| 114 | extern void gl_map_ci_to_rgba( const GLcontext *ctx, | 
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| 115 | GLuint n, const GLuint index[], | 
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| 116 | GLubyte rgba[][4] ); | 
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| 117 |  | 
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| 118 |  | 
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| 119 | extern void gl_map_ci_to_rgba_float( const GLcontext *ctx, | 
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| 120 | GLuint n, const GLuint index[], | 
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| 121 | GLfloat rgba[][4] ); | 
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| 122 |  | 
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| 123 |  | 
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| 124 | extern void gl_map_ci8_to_rgba( const GLcontext *ctx, | 
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| 125 | GLuint n, const GLubyte index[], | 
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| 126 | GLubyte rgba[][4] ); | 
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| 127 |  | 
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| 128 |  | 
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| 129 | extern void gl_map_ci_to_color( const GLcontext *ctx, | 
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| 130 | GLuint n, const GLuint index[], | 
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| 131 | GLfloat r[], GLfloat g[], | 
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| 132 | GLfloat b[], GLfloat a[] ); | 
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| 133 |  | 
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| 134 |  | 
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| 135 | extern void gl_shift_and_offset_stencil( const GLcontext *ctx, GLuint n, | 
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| 136 | GLstencil indexes[] ); | 
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| 137 |  | 
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| 138 |  | 
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| 139 | extern void gl_map_stencil( const GLcontext *ctx, GLuint n, GLstencil index[] ); | 
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| 140 |  | 
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| 141 |  | 
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| 142 | #endif | 
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