mirror of
https://github.com/Q3Rally-Team/rallyunlimited-engine.git
synced 2024-11-21 20:10:57 +00:00
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
#include "../client/client.h"
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#include "unix_glw.h"
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xos.h>
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#include <X11/extensions/Xxf86dga.h>
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static void *d_lib = NULL;
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Bool (*_XF86DGAQueryVersion)( Display *dpy, int *majorVersion, int *minorVersion );
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Bool (*_XF86DGAQueryExtension)( Display *dpy, int *event_base, int *error_base );
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Status (*_XF86DGADirectVideo)( Display *dpy, int screen, int enable );
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static sym_t d_list[] =
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{
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{ (void**)&_XF86DGAQueryVersion, "XF86DGAQueryVersion" },
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{ (void**)&_XF86DGAQueryExtension, "XF86DGAQueryExtension" },
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{ (void**)&_XF86DGADirectVideo, "XF86DGADirectVideo" }
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};
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qboolean DGA_Init( Display *_dpy )
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{
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int event_base, error_base;
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int ver_major = 0, ver_minor = 0;
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int i;
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glw_state.dga_ext = qfalse;
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if ( d_lib == NULL )
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{
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d_lib = Sys_LoadLibrary( "libXxf86dga.so.1" );
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if ( d_lib == NULL )
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{
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d_lib = Sys_LoadLibrary( "libXxf86dga.so.1" );
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}
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if ( d_lib == NULL )
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{
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Com_Printf( "...error loading libXxf86dga\n" );
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goto __fail;
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}
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}
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for ( i = 0 ; i < ARRAY_LEN( d_list ); i++ )
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{
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*d_list[ i ].symbol = Sys_LoadFunction( d_lib, d_list[ i ].name );
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if ( *d_list[ i ].symbol == NULL )
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{
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Com_Printf( "...couldn't find '%s' in libXxf86dga\n", d_list[ i ].name );
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goto __fail;
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}
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}
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dpy = _dpy;
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if ( !_XF86DGAQueryExtension( dpy, &event_base, &error_base ) || !_XF86DGAQueryVersion( dpy, &ver_major, &ver_minor ) )
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{
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Com_Printf( "...DGA extension is not available.\n" );
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goto __fail;
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}
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Com_Printf( "...DGA extension version %i.%i detected.\n", ver_major, ver_minor );
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glw_state.dga_ext = qtrue;
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return qtrue;
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__fail:
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DGA_Done();
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return qfalse;
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}
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void DGA_Done( void )
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{
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if ( d_lib )
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{
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Sys_UnloadLibrary( d_lib );
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d_lib = NULL;
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}
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glw_state.dga_ext = qfalse;
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}
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void DGA_Mouse( qboolean enable )
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{
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if ( !glw_state.dga_ext )
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return;
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_XF86DGADirectVideo( dpy, DefaultScreen( dpy ), enable ? XF86DGADirectMouse : 0 );
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}
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