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