2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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25 #ifndef PROG_STATEVARS_H
26 #define PROG_STATEVARS_H
32 * Number of STATE_* values we need to address any GL state.
33 * Used to dimension arrays.
35 #define STATE_LENGTH 5
39 * Used for describing GL state referenced from inside ARB vertex and
41 * A string such as "state.light[0].ambient" gets translated into a
42 * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
44 * For state that's an array, like STATE_CLIPPLANE, the 2nd token [1] should
45 * always be the array index.
47 typedef enum gl_state_index_
{
48 STATE_MATERIAL
= 100, /* start at 100 so small ints are seen as ints */
51 STATE_LIGHTMODEL_AMBIENT
,
52 STATE_LIGHTMODEL_SCENECOLOR
,
63 STATE_POINT_ATTENUATION
,
65 STATE_MODELVIEW_MATRIX
,
66 STATE_PROJECTION_MATRIX
,
72 STATE_MATRIX_TRANSPOSE
,
73 STATE_MATRIX_INVTRANS
,
91 STATE_TEXGEN_OBJECT_S
,
92 STATE_TEXGEN_OBJECT_T
,
93 STATE_TEXGEN_OBJECT_R
,
94 STATE_TEXGEN_OBJECT_Q
,
100 STATE_VERTEX_PROGRAM
,
101 STATE_FRAGMENT_PROGRAM
,
106 STATE_INTERNAL
, /* Mesa additions */
109 STATE_FOG_PARAMS_OPTIMIZED
, /* for faster fog calc */
110 STATE_LIGHT_SPOT_DIR_NORMALIZED
, /* pre-normalized spot dir */
111 STATE_LIGHT_POSITION
, /* object vs eye space */
112 STATE_LIGHT_POSITION_NORMALIZED
, /* object vs eye space */
113 STATE_LIGHT_HALF_VECTOR
, /* object vs eye space */
114 STATE_PT_SCALE
, /**< Pixel transfer RGBA scale */
115 STATE_PT_BIAS
, /**< Pixel transfer RGBA bias */
116 STATE_PCM_SCALE
, /**< Post color matrix RGBA scale */
117 STATE_PCM_BIAS
, /**< Post color matrix RGBA bias */
118 STATE_INTERNAL_DRIVER
/* first available state index for drivers (must be last) */
124 _mesa_load_state_parameters(GLcontext
*ctx
,
125 struct gl_program_parameter_list
*paramList
);
129 _mesa_program_state_flags(const gl_state_index state
[STATE_LENGTH
]);
133 _mesa_program_state_string(const gl_state_index state
[STATE_LENGTH
]);
136 #endif /* PROG_STATEVARS_H */