2 * Mesa 3-D graphics library
4 * Copyright (C) 1995-2006 Brian Paul
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public
17 * License along with this library; if not, write to the Free
18 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 * Library for glut using mesa fbdev driver
24 * Written by Sean D'Epagnier (c) 2006
34 #include "../../mesa/main/config.h"
38 int AccumSize
= 16; /* per channel size of accumulation buffer */
39 int DepthSize
= DEFAULT_SOFTWARE_DEPTH_BITS
;
40 int StencilSize
= STENCIL_BITS
;
43 int glutGet(GLenum state
)
50 case GLUT_INIT_WINDOW_WIDTH
:
51 case GLUT_WINDOW_WIDTH
:
52 case GLUT_SCREEN_WIDTH
:
54 case GLUT_INIT_WINDOW_HEIGHT
:
55 case GLUT_WINDOW_HEIGHT
:
56 case GLUT_SCREEN_HEIGHT
:
58 case GLUT_WINDOW_BUFFER_SIZE
:
59 return VarInfo
.bits_per_pixel
;
60 case GLUT_WINDOW_STENCIL_SIZE
:
62 case GLUT_WINDOW_DEPTH_SIZE
:
64 case GLUT_WINDOW_RED_SIZE
:
65 return VarInfo
.red
.length
;
66 case GLUT_WINDOW_GREEN_SIZE
:
67 return VarInfo
.green
.length
;
68 case GLUT_WINDOW_BLUE_SIZE
:
69 return VarInfo
.green
.length
;
70 case GLUT_WINDOW_ALPHA_SIZE
:
71 return VarInfo
.transp
.length
;
72 case GLUT_WINDOW_ACCUM_RED_SIZE
:
73 case GLUT_WINDOW_ACCUM_GREEN_SIZE
:
74 case GLUT_WINDOW_ACCUM_BLUE_SIZE
:
75 case GLUT_WINDOW_ACCUM_ALPHA_SIZE
:
77 case GLUT_WINDOW_DOUBLEBUFFER
:
78 if(DisplayMode
& GLUT_DOUBLE
)
81 case GLUT_WINDOW_RGBA
:
82 if(DisplayMode
& GLUT_INDEX
)
85 case GLUT_WINDOW_PARENT
:
87 case GLUT_WINDOW_NUM_CHILDREN
:
89 case GLUT_WINDOW_COLORMAP_SIZE
:
90 if(DisplayMode
& GLUT_INDEX
)
93 case GLUT_WINDOW_NUM_SAMPLES
:
95 case GLUT_WINDOW_STEREO
:
97 case GLUT_WINDOW_CURSOR
:
99 case GLUT_SCREEN_WIDTH_MM
:
100 return VarInfo
.width
;
101 case GLUT_SCREEN_HEIGHT_MM
:
102 return VarInfo
.height
;
103 case GLUT_MENU_NUM_ITEMS
:
105 return Menus
[CurrentMenu
].NumItems
;
107 case GLUT_DISPLAY_MODE_POSSIBLE
:
108 if((DisplayMode
& GLUT_MULTISAMPLE
)
109 || (DisplayMode
& GLUT_STEREO
)
110 || (DisplayMode
& GLUT_LUMINANCE
)
111 || (DisplayMode
& GLUT_ALPHA
) && (DisplayMode
& GLUT_INDEX
))
114 case GLUT_INIT_DISPLAY_MODE
:
116 case GLUT_INIT_WINDOW_X
:
117 case GLUT_INIT_WINDOW_Y
:
119 case GLUT_ELAPSED_TIME
:
121 static struct timeval tv
;
122 gettimeofday(&tv
, 0);
123 return 1000 * (tv
.tv_sec
- StartTime
.tv_sec
)
124 + (tv
.tv_usec
- StartTime
.tv_usec
) / 1000;
130 int glutLayerGet(GLenum info
)
133 case GLUT_OVERLAY_POSSIBLE
:
135 case GLUT_LAYER_IN_USE
:
137 case GLUT_HAS_OVERLAY
:
139 case GLUT_TRANSPARENT_INDEX
:
141 case GLUT_NORMAL_DAMAGED
:
143 case GLUT_OVERLAY_DAMAGED
:
149 int glutDeviceGet(GLenum info
)
152 case GLUT_HAS_KEYBOARD
:
153 return ConsoleFD
!= -1 ? 1 : 0;
155 case GLUT_NUM_MOUSE_BUTTONS
:
156 return NumMouseButtons
;
157 case GLUT_HAS_SPACEBALL
:
158 case GLUT_HAS_DIAL_AND_BUTTON_BOX
:
159 case GLUT_HAS_TABLET
:
161 case GLUT_NUM_SPACEBALL_BUTTONS
:
162 case GLUT_NUM_BUTTON_BOX_BUTTONS
:
164 case GLUT_NUM_TABLET_BUTTONS
:
166 case GLUT_DEVICE_IGNORE_KEY_REPEAT
:
167 return KeyRepeatMode
== GLUT_KEY_REPEAT_OFF
;
168 case GLUT_DEVICE_KEY_REPEAT
:
169 return KeyRepeatMode
;
170 case GLUT_JOYSTICK_POLL_RATE
:
171 case GLUT_HAS_JOYSTICK
:
172 case GLUT_JOYSTICK_BUTTONS
:
173 case GLUT_JOYSTICK_AXES
:
179 int glutGetModifiers(void){
180 return KeyboardModifiers
;
183 int glutExtensionSupported(const char *extension
)
185 const char *exts
= (const char *) glGetString(GL_EXTENSIONS
);
186 const char *start
= exts
;
187 int len
= strlen(extension
);
189 const char *p
= strstr(exts
, extension
);
192 if((p
== start
|| p
[-1] == ' ') && (p
[len
] == ' ' || p
[len
] == 0))