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>
37 #include "main/mtypes.h"
38 #include "shader/program.h"
39 #include "pipe/p_shader_tokens.h"
42 struct cso_fragment_shader
;
43 struct cso_vertex_shader
;
44 struct translated_vertex_program
;
48 * Derived from Mesa gl_fragment_program:
50 struct st_fragment_program
52 struct gl_fragment_program Base
;
55 GLuint input_to_slot
[FRAG_ATTRIB_MAX
]; /**< Maps FRAG_ATTRIB_x to slot */
56 GLuint num_input_slots
;
58 /** map FP input back to VP output */
59 GLuint input_map
[PIPE_MAX_SHADER_INPUTS
];
61 ubyte input_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
62 ubyte input_semantic_index
[PIPE_MAX_SHADER_INPUTS
];
64 struct pipe_shader_state state
;
69 /** List of vertex programs which have been translated such that their
70 * outputs match this fragment program's inputs.
72 struct translated_vertex_program
*vertex_programs
;
74 /** Program prefixed with glBitmap prologue */
75 struct st_fragment_program
*bitmap_program
;
81 * Derived from Mesa gl_fragment_program:
83 struct st_vertex_program
85 struct gl_vertex_program Base
; /**< The Mesa vertex program */
88 /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */
89 GLuint input_to_index
[VERT_ATTRIB_MAX
];
90 /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
91 GLuint index_to_input
[PIPE_MAX_SHADER_INPUTS
];
95 struct pipe_shader_state state
;
98 /** For using our private draw module (glRasterPos) */
99 struct draw_vertex_shader
*draw_shader
;
105 static INLINE
struct st_fragment_program
*
106 st_fragment_program( struct gl_fragment_program
*fp
)
108 return (struct st_fragment_program
*)fp
;
112 static INLINE
struct st_vertex_program
*
113 st_vertex_program( struct gl_vertex_program
*vp
)
115 return (struct st_vertex_program
*)vp
;
120 st_reference_vertprog(struct st_context
*st
,
121 struct st_vertex_program
**ptr
,
122 struct st_vertex_program
*prog
)
124 _mesa_reference_program(st
->ctx
,
125 (struct gl_program
**) ptr
,
126 (struct gl_program
*) prog
);
130 st_reference_fragprog(struct st_context
*st
,
131 struct st_fragment_program
**ptr
,
132 struct st_fragment_program
*prog
)
134 _mesa_reference_program(st
->ctx
,
135 (struct gl_program
**) ptr
,
136 (struct gl_program
*) prog
);
141 st_translate_fragment_program(struct st_context
*st
,
142 struct st_fragment_program
*fp
,
143 const GLuint inputMapping
[]);
147 st_translate_vertex_program(struct st_context
*st
,
148 struct st_vertex_program
*vp
,
149 const GLuint vert_output_to_slot
[],
150 const ubyte
*fs_input_semantic_name
,
151 const ubyte
*fs_input_semantic_index
);
155 st_print_shaders(GLcontext
*ctx
);