Sweden-Number/dlls/ddraw/x11.c

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/* DirectDraw using DGA or Xlib(XSHM)
*
* Copyright 1997-1999 Marcus Meissner
* Copyright 1998 Lionel Ulmer (most of Direct3D stuff)
*/
#include "config.h"
#include <unistd.h>
#include <assert.h>
#include <fcntl.h>
#include <string.h>
#include <stdio.h>
#include "winerror.h"
#include "options.h"
#include "monitor.h"
#include "debugtools.h"
#include "ddraw.h"
DEFAULT_DEBUG_CHANNEL(ddraw);
#include "x11_private.h"
#ifdef HAVE_LIBXXSHM
int XShmErrorFlag = 0;
#endif
static inline BOOL get_option( const char *name, BOOL def ) {
return PROFILE_GetWineIniBool( "x11drv", name, def );
}
static BOOL
DDRAW_XSHM_Available(void) {
#ifdef HAVE_LIBXXSHM
if (get_option( "UseXShm", 1 )) {
if (TSXShmQueryExtension(display)) {
int major,minor;
Bool shpix;
if (TSXShmQueryVersion(display, &major, &minor, &shpix))
return TRUE;
}
}
#endif
return FALSE;
}
static HRESULT X11_Create( LPDIRECTDRAW *lplpDD ) {
IDirectDrawImpl* ddraw;
int depth;
x11_dd_private *x11priv;
if (lplpDD == NULL) /* Testing ... this driver works all the time */
return DD_OK;
*lplpDD = (LPDIRECTDRAW)HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
sizeof(IDirectDrawImpl)
);
ddraw = (IDirectDrawImpl*)*lplpDD;
ICOM_VTBL(ddraw)= &xlib_ddvt;
ddraw->ref = 1;
ddraw->private = HeapAlloc(
GetProcessHeap(),
HEAP_ZERO_MEMORY,
sizeof(x11_dd_private)
);
x11priv = (x11_dd_private*)ddraw->private;
/* At DirectDraw creation, the depth is the default depth */
depth = DefaultDepthOfScreen(X11DRV_GetXScreen());
_common_depth_to_pixelformat(depth,(LPDIRECTDRAW)ddraw);
ddraw->d.height = MONITOR_GetHeight(&MONITOR_PrimaryMonitor);
ddraw->d.width = MONITOR_GetWidth(&MONITOR_PrimaryMonitor);
#ifdef HAVE_LIBXXSHM
/* Test if XShm is available. */
if ((x11priv->xshm_active = DDRAW_XSHM_Available())) {
x11priv->xshm_compl = 0;
TRACE("Using XShm extension.\n");
}
#endif
return DD_OK;
}
/* Where do these GUIDs come from? mkuuid.
* They exist solely to distinguish between the targets Wine support,
* and should be different than any other GUIDs in existence.
*/
static GUID X11_DirectDraw_GUID = { /* 1574a740-dc61-11d1-8407-f7875a7d1879 */
0x1574a740,
0xdc61,
0x11d1,
{0x84, 0x07, 0xf7, 0x87, 0x5a, 0x7d, 0x18, 0x79}
};
ddraw_driver x11_driver = {
&X11_DirectDraw_GUID,
"display",
"WINE X11 DirectDraw Driver",
50,
X11_Create
};
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DECL_GLOBAL_CONSTRUCTOR(X11_register) { ddraw_register_driver(&x11_driver); }