blob: f2d2e90b316b876eb54b5aadf4bb480b2b8d2ce5 (
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
|
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2008,2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_PROGRAM_H
#define __COGL_PROGRAM_H
#include "cogl-handle.h"
#include "cogl-internal.h"
#include "cogl-shader-private.h"
typedef struct _CoglProgram CoglProgram;
struct _CoglProgram
{
CoglHandleObject _parent;
GSList *attached_shaders;
GArray *custom_uniforms;
/* An age counter that changes whenever the list of shaders is modified */
unsigned int age;
};
typedef struct _CoglProgramUniform CoglProgramUniform;
struct _CoglProgramUniform
{
char *name;
CoglBoxedValue value;
/* The cached GL location for this uniform. This is only valid
between calls to _cogl_program_dirty_all_uniforms */
GLint location;
/* Whether we have a location yet */
unsigned int location_valid : 1;
/* Whether the uniform value has changed since the last time the
uniforms were flushed */
unsigned int dirty : 1;
};
CoglProgram *_cogl_program_pointer_from_handle (CoglHandle handle);
/* Internal function to flush the custom uniforms for the given use
program. This assumes the target GL program is already bound. The
gl_program still needs to be passed so that CoglProgram can query
the uniform locations. gl_program_changed should be set to TRUE if
we are flushing the uniforms against a different GL program from
the last time it was flushed. This will cause it to requery all of
the locations and assume that all uniforms are dirty */
void
_cogl_program_flush_uniforms (CoglProgram *program,
GLuint gl_program,
gboolean gl_program_changed);
CoglShaderLanguage
_cogl_program_get_language (CoglHandle handle);
#endif /* __COGL_PROGRAM_H */
|
