src/mesa/shader/prog_statevars.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  6.5.2
   4  *
   5  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
   6  *
   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:
  13  *
  14  * The above copyright notice and this permission notice shall be included
  15  * in all copies or substantial portions of the Software.
  16  *
  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
  21  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #ifndef PROG_STATEVARS_H
  26 #define PROG_STATEVARS_H
  27
  28 #include "mtypes.h"
  29
  30
  31 /**
  32  * Used for describing GL state referenced from inside ARB vertex and
  33  * fragment programs.
  34  * A string such as "state.light[0].ambient" gets translated into a
  35  * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ].
  36  */
  37 typedef enum gl_state_index_ {
  38    STATE_MATERIAL = 100,  /* start at 100 so small ints are seen as ints */
  39
  40    STATE_LIGHT,
  41    STATE_LIGHTMODEL_AMBIENT,
  42    STATE_LIGHTMODEL_SCENECOLOR,
  43    STATE_LIGHTPROD,
  44
  45    STATE_TEXGEN,
  46
  47    STATE_FOG_COLOR,
  48    STATE_FOG_PARAMS,
  49
  50    STATE_CLIPPLANE,
  51
  52    STATE_POINT_SIZE,
  53    STATE_POINT_ATTENUATION,
  54
  55    STATE_MATRIX,
  56    STATE_MODELVIEW,
  57    STATE_PROJECTION,
  58    STATE_MVP,
  59    STATE_TEXTURE,
  60    STATE_PROGRAM,
  61    STATE_MATRIX_INVERSE,
  62    STATE_MATRIX_TRANSPOSE,
  63    STATE_MATRIX_INVTRANS,
  64
  65    STATE_AMBIENT,
  66    STATE_DIFFUSE,
  67    STATE_SPECULAR,
  68    STATE_EMISSION,
  69    STATE_SHININESS,
  70    STATE_HALF,
  71
  72    STATE_POSITION,
  73    STATE_ATTENUATION,
  74    STATE_SPOT_DIRECTION,
  75
  76    STATE_TEXGEN_EYE_S,
  77    STATE_TEXGEN_EYE_T,
  78    STATE_TEXGEN_EYE_R,
  79    STATE_TEXGEN_EYE_Q,
  80    STATE_TEXGEN_OBJECT_S,
  81    STATE_TEXGEN_OBJECT_T,
  82    STATE_TEXGEN_OBJECT_R,
  83    STATE_TEXGEN_OBJECT_Q,
  84
  85    STATE_TEXENV_COLOR,
  86
  87    STATE_DEPTH_RANGE,
  88
  89    STATE_VERTEX_PROGRAM,
  90    STATE_FRAGMENT_PROGRAM,
  91
  92    STATE_ENV,
  93    STATE_LOCAL,
  94
  95    STATE_INTERNAL,              /* Mesa additions */
  96    STATE_NORMAL_SCALE,
  97    STATE_TEXRECT_SCALE,
  98    STATE_POSITION_NORMALIZED,   /* normalized light position */
  99    STATE_INTERNAL_DRIVER        /* first available state index for drivers (must be last) */
 100 } gl_state_index;
 101
 102
 103
 104 extern void
 105 _mesa_load_state_parameters(GLcontext *ctx,
 106                             struct gl_program_parameter_list *paramList);
 107
 108
 109 extern GLbitfield
 110 _mesa_program_state_flags(const GLint state[]);
 111
 112
 113 extern const char *
 114 _mesa_program_state_string(const GLint state[6]);
 115
 116
 117 #endif /* PROG_STATEVARS_H */