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
|
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2008,2009,2010 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/>.
*
*
*
* Authors:
* Damien Lespiau <damien.lespiau@intel.com>
* Robert Bragg <robert@linux.intel.com>
*/
#if !defined(__COGL_H_INSIDE__) && !defined(COGL_COMPILATION)
#error "Only <cogl/cogl.h> can be included directly."
#endif
#ifndef __COGL_PIXEL_BUFFER_H__
#define __COGL_PIXEL_BUFFER_H__
#include <glib.h>
#include <cogl/cogl-types.h>
#include <cogl/cogl-context.h>
G_BEGIN_DECLS
/* All of the cogl-pixel-buffer API is currently experimental so we
* suffix the actual symbols with _EXP so if somone is monitoring for
* ABI changes it will hopefully be clearer to them what's going on if
* any of the symbols dissapear at a later date.
*/
#define COGL_PIXEL_BUFFER(buffer) ((CoglPixelBuffer *)(buffer))
#define cogl_pixel_buffer_new cogl_pixel_buffer_new_EXP
#define cogl_pixel_buffer_new_with_size cogl_pixel_buffer_new_with_size_EXP
#define cogl_is_pixel_buffer cogl_is_pixel_buffer_EXP
#if 0
#define cogl_pixel_buffer_set_region cogl_pixel_buffer_set_region_EXP
#endif
typedef struct _CoglPixelBuffer CoglPixelBuffer;
/**
* cogl_pixel_buffer_new:
* @context: A #CoglContext
* @size: The number of bytes to allocate for the pixel data.
* @data: An optional pointer to vertex data to upload immediately
*
* Declares a new #CoglPixelBuffer of @size bytes to contain arrays of
* pixels. Once declared, data can be set using cogl_buffer_set_data()
* or by mapping it into the application's address space using
* cogl_buffer_map().
*
* If @data isn't %NULL then @size bytes will be read from @data and
* immediately copied into the new buffer.
*
* Since: 1.10
* Stability: unstable
*/
CoglPixelBuffer *
cogl_pixel_buffer_new (CoglContext *context,
size_t size,
const void *data);
/**
* cogl_is_pixel_buffer:
* @object: a #CoglObject to test
*
* Checks whether @object is a pixel buffer.
*
* Return value: %TRUE if the @object is a pixel buffer, and %FALSE
* otherwise
*
* Since: 1.2
* Stability: Unstable
*/
CoglBool
cogl_is_pixel_buffer (void *object);
#if 0
/*
* cogl_pixel_buffer_set_region:
* @buffer: A #CoglPixelBuffer object
* @data: pixel data to upload to @array
* @src_width: width in pixels of the region to update
* @src_height: height in pixels of the region to update
* @src_rowstride: row stride in bytes of the source array
* @dst_x: upper left destination horizontal coordinate
* @dst_y: upper left destination vertical coordinate
*
* Uploads new data into a pixel array. The source data pointed by @data can
* have a different stride than @array in which case the function will do the
* right thing for you. For performance reasons, it is recommended for the
* source data to have the same stride than @array.
*
* Return value: %TRUE if the upload succeeded, %FALSE otherwise
*
* Since: 1.2
* Stability: Unstable
*/
CoglBool
cogl_pixel_buffer_set_region (CoglPixelBuffer *buffer,
uint8_t *data,
unsigned int src_width,
unsigned int src_height,
unsigned int src_rowstride,
unsigned int dst_x,
unsigned int dst_y);
#endif
G_END_DECLS
#endif /* __COGL_PIXEL_BUFFER_H__ */
|
