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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/*
* Copyright (C) 2006 Claudio Ciccani <klan@users.sf.net>
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "internal.h"
/*****************************************************************************/
static int g_display_changed = 0;
/*****************************************************************************/
void GLUTAPIENTRY
glutGameModeString( const char *string )
{
int x, y, bpp;
char *tmp;
if (!string)
return;
tmp = strchr( string, 'x' );
if (tmp) {
x = strtol( string, NULL, 10 );
y = strtol( tmp+1, NULL, 10 );
if (x > 0 && y > 0) {
g_width = x;
g_height = y;
}
}
tmp = strchr( string, ':' );
if (tmp) {
bpp = strtol( tmp+1, NULL, 10 );
if (bpp > 0)
g_bpp = bpp;
}
}
int GLUTAPIENTRY
glutEnterGameMode( void )
{
DFBDisplayLayerConfig prev, cur;
glutInit( NULL, NULL );
primary->GetConfiguration( primary, &prev );
primary->SetCooperativeLevel( primary, DLSCL_EXCLUSIVE );
if (g_game)
__glutDestroyWindow( g_game );
g_game = __glutCreateWindow( GL_TRUE );
if (!g_game)
return 0;
__glutSetWindow( g_game );
g_game->cursor = GLUT_CURSOR_NONE;
primary->GetConfiguration( primary, &cur );
g_display_changed = (cur.width != prev.width ||
cur.height != prev.height ||
cur.pixelformat != prev.pixelformat);
return g_game->id;
}
void GLUTAPIENTRY
glutLeaveGameMode( void )
{
if (g_game)
__glutDestroyWindow( g_game );
primary->SetCooperativeLevel( primary, DLSCL_ADMINISTRATIVE );
}
int GLUTAPIENTRY
glutGameModeGet( GLenum type )
{
switch (type) {
case GLUT_GAME_MODE_ACTIVE:
return (g_game != NULL);
case GLUT_GAME_MODE_POSSIBLE:
if (primary) {
DFBDisplayLayerConfig c;
c.flags = DLCONF_WIDTH | DLCONF_HEIGHT;
c.width = g_width;
c.height = g_height;
/* XXX: bpp */
if (primary->TestConfiguration( primary, &c, 0 ) == DFB_OK)
return 1;
}
break;
case GLUT_GAME_MODE_WIDTH:
if (g_game) {
int w;
g_game->surface->GetSize( g_game->surface, &w, 0 );
return w;
}
break;
case GLUT_GAME_MODE_HEIGHT:
if (g_game) {
int h;
g_game->surface->GetSize( g_game->surface, 0, &h );
return h;
}
break;
case GLUT_GAME_MODE_PIXEL_DEPTH:
if (g_game) {
DFBSurfacePixelFormat f;
g_game->surface->GetPixelFormat( g_game->surface, &f );
return DFB_COLOR_BITS_PER_PIXEL( f );
}
break;
case GLUT_GAME_MODE_REFRESH_RATE:
return 60; /* assume 60hz */
case GLUT_GAME_MODE_DISPLAY_CHANGED:
return g_display_changed;
default:
break;
}
return 0;
}
|
