summaryrefslogtreecommitdiff
path: root/src/mesa/shader/program.h
blob: 9a6883e6a55e2a6d95530a06afdbbb688ef0ae20 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
/*
 * Mesa 3-D graphics library
 * Version:  6.5.3
 *
 * 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.
 */

/**
 * \file program.c
 * Vertex and fragment program support functions.
 * \author Brian Paul
 */


/**
 * \mainpage Mesa vertex and fragment program module
 *
 * This module or directory contains most of the code for vertex and
 * fragment programs and shaders, including state management, parsers,
 * and (some) software routines for executing programs
 */

#ifndef PROGRAM_H
#define PROGRAM_H

#include "mtypes.h"


extern struct gl_program _mesa_DummyProgram;


/*
 * Internal functions
 */

extern void
_mesa_init_program(GLcontext *ctx);

extern void
_mesa_free_program_data(GLcontext *ctx);

extern void
_mesa_update_default_objects_program(GLcontext *ctx);

extern void
_mesa_set_program_error(GLcontext *ctx, GLint pos, const char *string);

extern const GLubyte *
_mesa_find_line_column(const GLubyte *string, const GLubyte *pos,
                       GLint *line, GLint *col);


extern struct gl_program * 
_mesa_init_vertex_program(GLcontext *ctx, 
                          struct gl_vertex_program *prog, 
                          GLenum target, GLuint id);

extern struct gl_program * 
_mesa_init_fragment_program(GLcontext *ctx, 
                            struct gl_fragment_program *prog,
                            GLenum target, GLuint id);

extern struct gl_program *
_mesa_new_program(GLcontext *ctx, GLenum target, GLuint id);

extern void
_mesa_delete_program(GLcontext *ctx, struct gl_program *prog);

extern struct gl_program *
_mesa_lookup_program(GLcontext *ctx, GLuint id);

extern void
_mesa_reference_program(GLcontext *ctx,
                        struct gl_program **ptr,
                        struct gl_program *prog);

static INLINE void
_mesa_reference_vertprog(GLcontext *ctx,
                         struct gl_vertex_program **ptr,
                         struct gl_vertex_program *prog)
{
   _mesa_reference_program(ctx, (struct gl_program **) ptr,
                           (struct gl_program *) prog);
}

static INLINE void
_mesa_reference_fragprog(GLcontext *ctx,
                         struct gl_fragment_program **ptr,
                         struct gl_fragment_program *prog)
{
   _mesa_reference_program(ctx, (struct gl_program **) ptr,
                           (struct gl_program *) prog);
}

extern struct gl_program *
_mesa_clone_program(GLcontext *ctx, const struct gl_program *prog);


/*
 * API functions common to ARB/NV_vertex/fragment_program
 */

extern void GLAPIENTRY
_mesa_BindProgram(GLenum target, GLuint id);

extern void GLAPIENTRY
_mesa_DeletePrograms(GLsizei n, const GLuint *ids);

extern void GLAPIENTRY
_mesa_GenPrograms(GLsizei n, GLuint *ids);



#endif /* PROGRAM_H */