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comparison src/video/svga/SDL_svgavideo.c @ 67:3647c809813d

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Support for SVGALib 2.0, thanks to Benjamin Joel Stover
author Sam Lantinga <slouken@lokigames.com>
date Sat, 16 Jun 2001 01:32:09 +0000
parents cf2af46e9e2a
children 13161d3d349d
comparison
equal deleted inserted replaced
66:7c26b77e610d 67:3647c809813d
30 30
31 #include <stdlib.h> 31 #include <stdlib.h>
32 #include <stdio.h> 32 #include <stdio.h>
33 #include <unistd.h> 33 #include <unistd.h>
34 #include <sys/stat.h> 34 #include <sys/stat.h>
35 #include <sys/types.h>
36 #include <sys/ioctl.h>
37 #include <fcntl.h>
35 38
36 #if defined(linux) 39 #if defined(linux)
37 #include <linux/vt.h> 40 #include <linux/vt.h>
38 #elif defined(__FreeBSD__) 41 #elif defined(__FreeBSD__)
39 #include <sys/consio.h> 42 #include <sys/consio.h>
75 78
76 static int SVGA_Available(void) 79 static int SVGA_Available(void)
77 { 80 {
78 /* Check to see if we are root and stdin is a virtual console */ 81 /* Check to see if we are root and stdin is a virtual console */
79 int console; 82 int console;
80 83
84 /* SVGALib 1.9.x+ doesn't require root (via /dev/svga) */
85 int svgalib2 = -1;
86
87 /* See if we are connected to a virtual terminal */
81 console = STDIN_FILENO; 88 console = STDIN_FILENO;
82 if ( console >= 0 ) { 89 if ( console >= 0 ) {
83 struct stat sb; 90 struct stat sb;
84 struct vt_mode dummy; 91 struct vt_mode dummy;
85 92
86 if ( (fstat(console, &sb) < 0) || 93 if ( (fstat(console, &sb) < 0) ||
87 (ioctl(console, VT_GETMODE, &dummy) < 0) ) { 94 (ioctl(console, VT_GETMODE, &dummy) < 0) ) {
88 console = -1; 95 console = -1;
89 } 96 }
90 } 97 }
91 return((geteuid() == 0) && (console >= 0)); 98
99 /* See if SVGAlib 2.0 is available */
100 svgalib2 = open("/dev/svga", O_RDONLY);
101 if (svgalib2 != -1) {
102 close(svgalib2);
103 }
104
105 return(((svgalib2 != -1) || (geteuid() == 0)) && (console >= 0));
92 } 106 }
93 107
94 static void SVGA_DeleteDevice(SDL_VideoDevice *device) 108 static void SVGA_DeleteDevice(SDL_VideoDevice *device)
95 { 109 {
96 free(device->hidden); 110 free(device->hidden);