1 /*
2 * Mesa 3-D graphics library
3 * Version: 6.5.3
4 *
5 * Copyright (C) 2004-2007 Brian Paul All Rights Reserved.
6 *
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:
13 *
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
16 *
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.
23 */
24
25
26 #ifndef SHADEROBJ_H
27 #define SHADEROBJ_H
28
29
30 #include "main/compiler.h"
31 #include "main/glheader.h"
32 #include "main/mtypes.h"
33 #include "program/ir_to_mesa.h"
34
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40
41 /**
42 * Internal functions
43 */
44
45 extern void
46 _mesa_init_shader_state(struct gl_context * ctx);
47
48 extern void
49 _mesa_free_shader_state(struct gl_context *ctx);
50
51
52 extern void
53 _mesa_reference_shader(struct gl_context *ctx, struct gl_shader **ptr,
54 struct gl_shader *sh);
55
56 extern struct gl_shader *
57 _mesa_lookup_shader(struct gl_context *ctx, GLuint name);
58
59 extern struct gl_shader *
60 _mesa_lookup_shader_err(struct gl_context *ctx, GLuint name, const char *caller);
61
62
63
64 extern void
65 _mesa_reference_shader_program(struct gl_context *ctx,
66 struct gl_shader_program **ptr,
67 struct gl_shader_program *shProg);
68 extern void
69 _mesa_init_shader(struct gl_context *ctx, struct gl_shader *shader);
70
71 extern struct gl_shader *
72 _mesa_new_shader(struct gl_context *ctx, GLuint name, GLenum type);
73
74 extern void
75 _mesa_init_shader_program(struct gl_context *ctx, struct gl_shader_program *prog);
76
77 extern struct gl_shader_program *
78 _mesa_lookup_shader_program(struct gl_context *ctx, GLuint name);
79
80 extern struct gl_shader_program *
81 _mesa_lookup_shader_program_err(struct gl_context *ctx, GLuint name,
82 const char *caller);
83
84 extern void
85 _mesa_clear_shader_program_data(struct gl_context *ctx,
86 struct gl_shader_program *shProg);
87
88 extern void
89 _mesa_free_shader_program_data(struct gl_context *ctx,
90 struct gl_shader_program *shProg);
91
92
93
94 extern void
95 _mesa_init_shader_object_functions(struct dd_function_table *driver);
96
97 extern void
98 _mesa_init_shader_state(struct gl_context *ctx);
99
100 extern void
101 _mesa_free_shader_state(struct gl_context *ctx);
102
103
104 static inline gl_shader_type
_mesa_shader_type_to_index(GLenum v)105 _mesa_shader_type_to_index(GLenum v)
106 {
107 switch (v) {
108 case GL_VERTEX_SHADER:
109 return MESA_SHADER_VERTEX;
110 case GL_FRAGMENT_SHADER:
111 return MESA_SHADER_FRAGMENT;
112 case GL_GEOMETRY_SHADER:
113 return MESA_SHADER_GEOMETRY;
114 default:
115 ASSERT(0 && "bad value in _mesa_shader_type_to_index()");
116 return MESA_SHADER_TYPES;
117 }
118 }
119
120
121 static inline GLenum
_mesa_shader_index_to_type(GLuint i)122 _mesa_shader_index_to_type(GLuint i)
123 {
124 static const GLenum enums[MESA_SHADER_TYPES] = {
125 GL_VERTEX_SHADER,
126 GL_FRAGMENT_SHADER,
127 GL_GEOMETRY_SHADER ,
128 };
129 if (i >= MESA_SHADER_TYPES)
130 return 0;
131 else
132 return enums[i];
133 }
134
135
136 #ifdef __cplusplus
137 }
138 #endif
139
140 #endif /* SHADEROBJ_H */
141