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
|
/**
* \file texstate.h
* Texture state management.
*/
/*
* Mesa 3-D graphics library
* Version: 7.1
*
* 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.
*/
#ifndef TEXSTATE_H
#define TEXSTATE_H
#include "compiler.h"
#include "mtypes.h"
/**
* Return pointer to current texture unit.
* This the texture unit set by glActiveTexture(), not glClientActiveTexture().
*/
static INLINE struct gl_texture_unit *
_mesa_get_current_tex_unit(GLcontext *ctx)
{
ASSERT(ctx->Texture.CurrentUnit < Elements(ctx->Texture.Unit));
return &(ctx->Texture.Unit[ctx->Texture.CurrentUnit]);
}
extern void
_mesa_copy_texture_state( const GLcontext *src, GLcontext *dst );
extern void
_mesa_print_texunit_state( GLcontext *ctx, GLuint unit );
/**
* \name Called from API
*/
/*@{*/
extern void GLAPIENTRY
_mesa_ActiveTextureARB( GLenum target );
extern void GLAPIENTRY
_mesa_ClientActiveTextureARB( GLenum target );
/*@}*/
/**
* \name Initialization, state maintenance
*/
/*@{*/
extern void
_mesa_update_texture( GLcontext *ctx, GLuint new_state );
extern GLboolean
_mesa_init_texture( GLcontext *ctx );
extern void
_mesa_free_texture_data( GLcontext *ctx );
extern void
_mesa_update_default_objects_texture(GLcontext *ctx);
/*@}*/
#endif
|
