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
|
/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#include "pipe/p_debug.h"
#include "stw_pixelformat.h"
#define MAX_PIXELFORMATS 16
static struct pixelformat_info pixelformats[MAX_PIXELFORMATS];
static uint pixelformat_count = 0;
static uint pixelformat_extended_count = 0;
static void
add_standard_pixelformats(
struct pixelformat_info **ppf,
uint flags )
{
struct pixelformat_info *pf = *ppf;
struct pixelformat_color_info color24 = { 8, 0, 8, 8, 8, 16 };
struct pixelformat_alpha_info alpha8 = { 8, 24 };
struct pixelformat_alpha_info noalpha = { 0, 0 };
struct pixelformat_depth_info depth24s8 = { 24, 8 };
struct pixelformat_depth_info depth16 = { 16, 0 };
pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
pf->color = color24;
pf->alpha = alpha8;
pf->depth = depth16;
pf++;
pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
pf->color = color24;
pf->alpha = alpha8;
pf->depth = depth24s8;
pf++;
pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
pf->color = color24;
pf->alpha = noalpha;
pf->depth = depth16;
pf++;
pf->flags = PF_FLAG_DOUBLEBUFFER | flags;
pf->color = color24;
pf->alpha = noalpha;
pf->depth = depth24s8;
pf++;
pf->flags = flags;
pf->color = color24;
pf->alpha = noalpha;
pf->depth = depth16;
pf++;
pf->flags = flags;
pf->color = color24;
pf->alpha = noalpha;
pf->depth = depth24s8;
pf++;
*ppf = pf;
}
void
pixelformat_init( void )
{
struct pixelformat_info *pf = pixelformats;
add_standard_pixelformats( &pf, 0 );
pixelformat_count = pf - pixelformats;
add_standard_pixelformats( &pf, PF_FLAG_MULTISAMPLED );
pixelformat_extended_count = pf - pixelformats;
assert( pixelformat_extended_count <= MAX_PIXELFORMATS );
}
uint
pixelformat_get_count( void )
{
return pixelformat_count;
}
uint
pixelformat_get_extended_count( void )
{
return pixelformat_extended_count;
}
const struct pixelformat_info *
pixelformat_get_info( uint index )
{
assert( index < pixelformat_extended_count );
return &pixelformats[index];
}
|
