/* * Mesa 3-D graphics library * Version: 7.1 * * Copyright (C) 1999-2007 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #ifndef PROG_STATEVARS_H #define PROG_STATEVARS_H #include "mtypes.h" /** * Number of STATE_* values we need to address any GL state. * Used to dimension arrays. */ #define STATE_LENGTH 5 /** * Used for describing GL state referenced from inside ARB vertex and * fragment programs. * A string such as "state.light[0].ambient" gets translated into a * sequence of tokens such as [ STATE_LIGHT, 0, STATE_AMBIENT ]. * * For state that's an array, like STATE_CLIPPLANE, the 2nd token [1] should * always be the array index. */ typedef enum gl_state_index_ { STATE_MATERIAL = 100, /* start at 100 so small ints are seen as ints */ STATE_LIGHT, STATE_LIGHTMODEL_AMBIENT, STATE_LIGHTMODEL_SCENECOLOR, STATE_LIGHTPROD, STATE_TEXGEN, STATE_FOG_COLOR, STATE_FOG_PARAMS, STATE_CLIPPLANE, STATE_POINT_SIZE, STATE_POINT_ATTENUATION, STATE_MODELVIEW_MATRIX, STATE_PROJECTION_MATRIX, STATE_MVP_MATRIX, STATE_TEXTURE_MATRIX, STATE_PROGRAM_MATRIX, STATE_MATRIX_INVERSE, STATE_MATRIX_TRANSPOSE, STATE_MATRIX_INVTRANS, STATE_AMBIENT, STATE_DIFFUSE, STATE_SPECULAR, STATE_EMISSION, STATE_SHININESS, STATE_HALF_VECTOR, STATE_POSITION, STATE_ATTENUATION, STATE_SPOT_DIRECTION, STATE_SPOT_CUTOFF, STATE_TEXGEN_EYE_S, STATE_TEXGEN_EYE_T, STATE_TEXGEN_EYE_R, STATE_TEXGEN_EYE_Q, STATE_TEXGEN_OBJECT_S, STATE_TEXGEN_OBJECT_T, STATE_TEXGEN_OBJECT_R, STATE_TEXGEN_OBJECT_Q, STATE_TEXENV_COLOR, STATE_DEPTH_RANGE, STATE_VERTEX_PROGRAM, STATE_FRAGMENT_PROGRAM, STATE_ENV, STATE_LOCAL, STATE_INTERNAL, /* Mesa additions */ STATE_NORMAL_SCALE, STATE_TEXRECT_SCALE, STATE_POSITION_NORMALIZED, /* normalized light position */ STATE_FOG_PARAMS_OPTIMIZED, /* for faster fog calc */ STATE_SPOT_DIR_NORMALIZED, /* pre-normalized spot dir */ STATE_INTERNAL_DRIVER /* first available state index for drivers (must be last) */ } gl_state_index; extern void _mesa_load_state_parameters(GLcontext *ctx, struct gl_program_parameter_list *paramList); extern GLbitfield _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]); extern const char * _mesa_program_state_string(const gl_state_index state[STATE_LENGTH]); extern void _mesa_load_tracked_matrices(GLcontext *ctx); #endif /* PROG_STATEVARS_H */