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context_x11.c: whitespace.

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dga_check.c: Make sure that the version of the VidMode extension at
runtime is the same version we compiled with, to deal with a structure
change that occurred between VidMode extension versions 1 and 2. If a
version 3 is developed, this will have to be fixed again.
This commit is contained in:
Jeff Teunissen 2001-02-11 16:05:52 +00:00
parent 549bbbdb1b
commit 443944c48b
2 changed files with 23 additions and 15 deletions
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32
source/dga_check.c
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@ -40,6 +40,11 @@
#endif
#ifdef HAVE_VIDMODE
# include <X11/extensions/xf86vmode.h>
# ifdef X_XF86VidModeSetClientVersion
# define VIDMODE_VERSION 2
# else
# define VIDMODE_VERSION 1
# endif
#endif
#include "dga_check.h"
@ -54,7 +59,8 @@ qboolean
VID_CheckDGA (Display * dpy, int *maj_ver, int *min_ver, int *hasvideo)
{
#ifdef HAVE_DGA
int event_base, error_base, dgafeat, dummy;
int event_base, error_base, dgafeat;
int dummy, dummy_major, dummy_minor, dummy_video;
if (!XQueryExtension (dpy, "XFree86-DGA", &dummy, &dummy, &dummy)) {
return false;
@ -65,16 +71,16 @@ VID_CheckDGA (Display * dpy, int *maj_ver, int *min_ver, int *hasvideo)
}
if (!maj_ver)
maj_ver = &dummy;
maj_ver = &dummy_major;
if (!min_ver)
min_ver = &dummy;
min_ver = &dummy_minor;
if (!XF86DGAQueryVersion (dpy, maj_ver, min_ver)) {
return false;
}
if (!hasvideo)
hasvideo = &dummy;
hasvideo = &dummy_video;
if (!XF86DGAQueryDirectVideo (dpy, DefaultScreen (dpy), &dgafeat)) {
*hasvideo = 0;
@ -101,9 +107,9 @@ VID_CheckDGA (Display * dpy, int *maj_ver, int *min_ver, int *hasvideo)
qboolean
VID_CheckVMode (Display * dpy, int *maj_ver, int *min_ver)
{
#if defined(HAVE_VIDMODE)
#ifdef HAVE_VIDMODE
int event_base, error_base;
int dummy;
int dummy, dummy_major, dummy_minor;
if (!XQueryExtension (dpy, "XFree86-VidModeExtension", &dummy, &dummy, &dummy)) {
return false;
@ -113,14 +119,16 @@ VID_CheckVMode (Display * dpy, int *maj_ver, int *min_ver)
return false;
}
if (maj_ver == NULL)
maj_ver = &dummy;
if (min_ver == NULL)
min_ver = &dummy;
if (!maj_ver)
maj_ver = &dummy_major;
if (!min_ver)
min_ver = &dummy_minor;
if (!XF86VidModeQueryVersion (dpy, maj_ver, min_ver)) {
if (!XF86VidModeQueryVersion (dpy, maj_ver, min_ver))
return false;
if ((!maj_ver) || (*maj_ver != VIDMODE_VERSION))
return false;
}
return true;
#else