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
|
/*
* Test SVGA/Mesa interface in 32K color mode.
*
* Compile with: gcc vtest.c -I../include -L../lib -lMesaGL -lX11 -lXext
* -lvga -lm -o vtest
*
* This program is in the public domain.
* Brian Paul, January 1996
*/
#include <vga.h>
#include "GL/svgamesa.h"
#include "GL/gl.h"
SVGAMesaContext vmc;
void setup( void )
{
vga_init();
vga_setmode(G800x600x32K);
/* gl_setcontextvga(G800x600x32K);*/
vmc = SVGAMesaCreateContext( GL_FALSE ); /* single buffered */
SVGAMesaMakeCurrent( vmc );
}
void test( void )
{
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho( -1.0, 1.0, -1.0, 1.0, -1.0, 1.0 );
glMatrixMode(GL_MODELVIEW);
glClear( GL_COLOR_BUFFER_BIT );
glBegin( GL_LINES );
glColor3f( 1.0, 0.0, 0.0 );
glVertex2f( -0.5, 0.5 );
glVertex2f( 0.5, 0.5 );
glColor3f( 0.0, 1.0, 0.0 );
glVertex2f( -0.5, 0.25 );
glVertex2f( 0.5, 0.25 );
glColor3f( 0.0, 0.0, 1.0 );
glVertex2f( -0.5, 0.0 );
glVertex2f( 0.5, 0.0 );
glEnd();
glBegin( GL_POLYGON );
glColor3f( 1.0, 0.0, 0.0 );
glVertex2f( 0.0, 0.7 );
glColor3f( 0.0, 1.0, 0.0 );
glVertex2f( -0.5, -0.5 );
glColor3f( 0.0, 0.0, 1.0 );
glVertex2f( 0.5, -0.5 );
glEnd();
sleep(3);
}
void end( void )
{
SVGAMesaDestroyContext( vmc );
vga_setmode( TEXT );
}
int main( int argc, char *argv[] )
{
setup();
test();
end();
return 0;
}
|
