1 /**************************************************************************
3 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
30 * Keith Whitwell <keith@tungstengraphics.com>
38 #include "pipe/p_shader_tokens.h"
41 #define ST_MAX_SHADER_TOKENS 1024
44 struct cso_fragment_shader
;
45 struct cso_vertex_shader
;
46 struct translated_vertex_program
;
50 * Derived from Mesa gl_fragment_program:
52 struct st_fragment_program
54 struct gl_fragment_program Base
;
57 GLuint input_to_slot
[FRAG_ATTRIB_MAX
]; /**< Maps FRAG_ATTRIB_x to slot */
58 GLuint num_input_slots
;
60 /** map FP input back to VP output */
61 GLuint input_map
[PIPE_MAX_SHADER_INPUTS
];
63 struct pipe_shader_state state
;
64 struct pipe_shader_state
*driver_shader
;
68 /** List of vertex programs which have been translated such that their
69 * outputs match this fragment program's inputs.
71 struct translated_vertex_program
*vertex_programs
;
76 * Derived from Mesa gl_fragment_program:
78 struct st_vertex_program
80 struct gl_vertex_program Base
; /**< The Mesa vertex program */
83 /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
84 GLuint input_to_index
[VERT_ATTRIB_MAX
];
85 /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
86 GLuint index_to_input
[PIPE_MAX_SHADER_INPUTS
];
90 struct pipe_shader_state state
;
91 struct pipe_shader_state
*driver_shader
;
93 /** For using our private draw module (glRasterPos) */
94 struct draw_vertex_shader
*draw_shader
;
101 st_init_program_functions(struct dd_function_table
*functions
);
104 static inline struct st_fragment_program
*
105 st_fragment_program( struct gl_fragment_program
*fp
)
107 return (struct st_fragment_program
*)fp
;
111 static inline struct st_vertex_program
*
112 st_vertex_program( struct gl_vertex_program
*vp
)
114 return (struct st_vertex_program
*)vp
;
118 extern const struct cso_fragment_shader
*
119 st_translate_fragment_program(struct st_context
*st
,
120 struct st_fragment_program
*fp
,
121 const GLuint inputMapping
[]);
125 st_translate_vertex_program(struct st_context
*st
,
126 struct st_vertex_program
*vp
,
127 const GLuint vert_output_to_slot
[]);