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Xephyr: Build fix: Port across XF86dri.c changes from Mesa.

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This commit is contained in:
Donnie Berkholz 2008-03-14 18:41:25 -07:00
parent a955c3b587
commit aa231f28d5
1 changed files with 29 additions and 8 deletions
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37
hw/kdrive/ephyr/XF86dri.c
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@ -385,9 +385,8 @@ Bool XF86DRICreateContext(dpy, screen, visual, context, hHWContext)
context, hHWContext );
}
GLboolean XF86DRIDestroyContext( __DRInativeDisplay * ndpy, int screen, __DRIid context)
GLboolean XF86DRIDestroyContext( Display *dpy, int screen, XID context)
{
Display * const dpy = (Display *) ndpy;
XExtDisplayInfo *info = find_display (dpy);
xXF86DRIDestroyContextReq *req;
@ -407,10 +406,9 @@ GLboolean XF86DRIDestroyContext( __DRInativeDisplay * ndpy, int screen, __DRIid
}
GLboolean
XF86DRICreateDrawable (__DRInativeDisplay * ndpy, int screen,
__DRIid drawable, drm_drawable_t * hHWDrawable)
XF86DRICreateDrawable (Display *dpy, int screen,
XID drawable, drm_drawable_t * hHWDrawable)
{
Display * const dpy = (Display *) ndpy;
XExtDisplayInfo *info = find_display (dpy);
xXF86DRICreateDrawableReply rep;
xXF86DRICreateDrawableReq *req;
@ -437,16 +435,36 @@ XF86DRICreateDrawable (__DRInativeDisplay * ndpy, int screen,
return True;
}
GLboolean XF86DRIDestroyDrawable( __DRInativeDisplay * ndpy, int screen,
__DRIid drawable )
static int noopErrorHandler(Display *dpy, XErrorEvent *xerr)
{
return 0;
}
GLboolean XF86DRIDestroyDrawable( Display *dpy, int screen,
XID drawable )
{
Display * const dpy = (Display *) ndpy;
XExtDisplayInfo *info = find_display (dpy);
xXF86DRIDestroyDrawableReq *req;
int (*oldXErrorHandler)(Display *, XErrorEvent *);
TRACE("DestroyDrawable...");
XF86DRICheckExtension (dpy, info, False);
/* This is called from the DRI driver, which used call it like this
*
* if (windowExists(drawable))
* destroyDrawable(drawable);
*
* which is a textbook race condition - the window may disappear
* from the server between checking for its existance and
* destroying it. Instead we change the semantics of
* __DRIinterfaceMethodsRec::destroyDrawable() to succeed even if
* the windows is gone, by wrapping the destroy call in an error
* handler. */
XSync(dpy, GL_FALSE);
oldXErrorHandler = XSetErrorHandler(noopErrorHandler);
LockDisplay(dpy);
GetReq(XF86DRIDestroyDrawable, req);
req->reqType = info->codes->major_opcode;
@ -455,6 +473,9 @@ GLboolean XF86DRIDestroyDrawable( __DRInativeDisplay * ndpy, int screen,
req->drawable = drawable;
UnlockDisplay(dpy);
SyncHandle();
XSetErrorHandler(oldXErrorHandler);
TRACE("DestroyDrawable... return True");
return True;
}