2 * Mesa 3-D graphics library
5 * Copyright (C) 1999-2007 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
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.
27 * Vertex and fragment program support functions.
33 * \mainpage Mesa vertex and fragment program module
35 * This module or directory contains most of the code for vertex and
36 * fragment programs and shaders, including state management, parsers,
37 * and (some) software routines for executing programs
43 #include "main/mtypes.h"
46 extern struct gl_program _mesa_DummyProgram
;
50 _mesa_init_program(GLcontext
*ctx
);
53 _mesa_free_program_data(GLcontext
*ctx
);
56 _mesa_update_default_objects_program(GLcontext
*ctx
);
59 _mesa_set_program_error(GLcontext
*ctx
, GLint pos
, const char *string
);
61 extern const GLubyte
*
62 _mesa_find_line_column(const GLubyte
*string
, const GLubyte
*pos
,
63 GLint
*line
, GLint
*col
);
66 extern struct gl_program
*
67 _mesa_init_vertex_program(GLcontext
*ctx
,
68 struct gl_vertex_program
*prog
,
69 GLenum target
, GLuint id
);
71 extern struct gl_program
*
72 _mesa_init_fragment_program(GLcontext
*ctx
,
73 struct gl_fragment_program
*prog
,
74 GLenum target
, GLuint id
);
76 extern struct gl_program
*
77 _mesa_init_geometry_program(GLcontext
*ctx
,
78 struct gl_geometry_program
*prog
,
79 GLenum target
, GLuint id
);
81 extern struct gl_program
*
82 _mesa_new_program(GLcontext
*ctx
, GLenum target
, GLuint id
);
85 _mesa_delete_program(GLcontext
*ctx
, struct gl_program
*prog
);
87 extern struct gl_program
*
88 _mesa_lookup_program(GLcontext
*ctx
, GLuint id
);
91 _mesa_reference_program(GLcontext
*ctx
,
92 struct gl_program
**ptr
,
93 struct gl_program
*prog
);
96 _mesa_reference_vertprog(GLcontext
*ctx
,
97 struct gl_vertex_program
**ptr
,
98 struct gl_vertex_program
*prog
)
100 _mesa_reference_program(ctx
, (struct gl_program
**) ptr
,
101 (struct gl_program
*) prog
);
105 _mesa_reference_fragprog(GLcontext
*ctx
,
106 struct gl_fragment_program
**ptr
,
107 struct gl_fragment_program
*prog
)
109 _mesa_reference_program(ctx
, (struct gl_program
**) ptr
,
110 (struct gl_program
*) prog
);
114 _mesa_reference_geomprog(GLcontext
*ctx
,
115 struct gl_geometry_program
**ptr
,
116 struct gl_geometry_program
*prog
)
118 _mesa_reference_program(ctx
, (struct gl_program
**) ptr
,
119 (struct gl_program
*) prog
);
122 extern struct gl_program
*
123 _mesa_clone_program(GLcontext
*ctx
, const struct gl_program
*prog
);
125 static INLINE
struct gl_vertex_program
*
126 _mesa_clone_vertex_program(GLcontext
*ctx
,
127 const struct gl_vertex_program
*prog
)
129 return (struct gl_vertex_program
*) _mesa_clone_program(ctx
, &prog
->Base
);
132 static INLINE
struct gl_geometry_program
*
133 _mesa_clone_geometry_program(GLcontext
*ctx
,
134 const struct gl_geometry_program
*prog
)
136 return (struct gl_geometry_program
*) _mesa_clone_program(ctx
, &prog
->Base
);
139 static INLINE
struct gl_fragment_program
*
140 _mesa_clone_fragment_program(GLcontext
*ctx
,
141 const struct gl_fragment_program
*prog
)
143 return (struct gl_fragment_program
*) _mesa_clone_program(ctx
, &prog
->Base
);
148 _mesa_insert_instructions(struct gl_program
*prog
, GLuint start
, GLuint count
);
151 _mesa_delete_instructions(struct gl_program
*prog
, GLuint start
, GLuint count
);
153 extern struct gl_program
*
154 _mesa_combine_programs(GLcontext
*ctx
,
155 const struct gl_program
*progA
,
156 const struct gl_program
*progB
);
159 _mesa_find_used_registers(const struct gl_program
*prog
,
160 gl_register_file file
,
161 GLboolean used
[], GLuint usedSize
);
164 _mesa_find_free_register(const GLboolean used
[],
165 GLuint maxRegs
, GLuint firstReg
);
168 _mesa_postprocess_program(GLcontext
*ctx
, struct gl_program
*prog
);
171 #endif /* PROGRAM_H */