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Bugzilla #1644: Attach an atom "VFB" to root window of dummy driver. 

Committing in Head.
Modified Files: dummy.h dummy_driver.c
This commit is contained in:
Stuart Kreitman 2004-10-15 21:09:00 +00:00
parent a571d5efb5
commit b227226476
2 changed files with 55 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/dummy.h
View File

@ -1,4 +1,4 @@
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/dummy/dummy.h,v 1.2 2003/04/23 21:51:35 tsi Exp $ */
/* $XFree86$ */
/* All drivers should typically include these */
#include "xf86.h"
@ -65,6 +65,8 @@ typedef struct dummyRec
int interlace;
dummy_colors colors[256];
pointer* FBBase;
Bool (*CreateWindow)() ; /* wrapped CreateWindow */
Bool prop;
} DUMMYRec, *DUMMYPtr;
/* The privates of the DUMMY driver */

64
src/dummy_driver.c
View File

@ -1,4 +1,4 @@
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/dummy/dummy_driver.c,v 1.4 2003/08/23 15:02:57 dawes Exp $ */
/* $XFree86: xc/programs/Xserver/hw/xfree86/drivers/dummy/dummy_driver.c,v 1.5tsi Exp $ */
/*
* Copyright 2002, SuSE Linux AG, Author: Egbert Eich
@ -21,6 +21,10 @@
/* All drivers using the mi colormap manipulation need this */
#include "micmap.h"
/* identifying atom needed by magnifiers */
#include "Xatom.h"
#include "property.h"
#include "xf86cmap.h"
#include "xf86fbman.h"
@ -55,8 +59,9 @@ static Bool DUMMYScreenInit(int Index, ScreenPtr pScreen, int argc,
static Bool DUMMYEnterVT(int scrnIndex, int flags);
static void DUMMYLeaveVT(int scrnIndex, int flags);
static Bool DUMMYCloseScreen(int scrnIndex, ScreenPtr pScreen);
static Bool DUMMYCreateWindow(WindowPtr pWin);
static void DUMMYFreeScreen(int scrnIndex, int flags);
static int DUMMYValidMode(int scrnIndex, DisplayModePtr mode,
static ModeStatus DUMMYValidMode(int scrnIndex, DisplayModePtr mode,
Bool verbose, int flags);
static Bool DUMMYSaveScreen(ScreenPtr pScreen, int mode);
@ -149,7 +154,7 @@ static XF86ModuleVersionInfo dummyVersRec =
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XF86_VERSION_CURRENT,
XORG_VERSION_CURRENT,
DUMMY_MAJOR_VERSION, DUMMY_MINOR_VERSION, DUMMY_PATCHLEVEL,
ABI_CLASS_VIDEODRV,
ABI_VIDEODRV_VERSION,
@ -309,10 +314,6 @@ DUMMYPreInit(ScrnInfoPtr pScrn, int flags)
if (!DUMMYGetRec(pScrn)) {
return FALSE;
}
# define RETURN \
{ DUMMYFreeRec(pScrn);\
return FALSE;\
}
dPtr = DUMMYPTR(pScrn);
@ -471,6 +472,10 @@ DUMMYPreInit(ScrnInfoPtr pScrn, int flags)
RETURN;
xf86LoaderReqSymLists(ramdacSymbols, NULL);
}
/* We have no contiguous physical fb in physical memory */
pScrn->memPhysBase = 0;
pScrn->fbOffset = 0;
return TRUE;
}
@ -532,6 +537,8 @@ DUMMYLoadPalette(
}
static ScrnInfoPtr DUMMYScrn; /* static-globalize it */
/* Mandatory */
static Bool
DUMMYScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
@ -540,7 +547,6 @@ DUMMYScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
DUMMYPtr dPtr;
int ret;
VisualPtr visual;
int height, width;
/*
* we need to get the ScrnInfoRec for this screen, so let's allocate
@ -548,6 +554,7 @@ DUMMYScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
*/
pScrn = xf86Screens[pScreen->myNum];
dPtr = DUMMYPTR(pScrn);
DUMMYScrn = pScrn;
if (!(dPtr->FBBase = xalloc(pScrn->videoRam * 1024)))
@ -580,9 +587,6 @@ DUMMYScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
* Call the framebuffer layer's ScreenInit function, and fill in other
* pScreen fields.
*/
width = pScrn->virtualX;
height = pScrn->virtualY;
ret = fbScreenInit(pScreen, dPtr->FBBase,
pScrn->virtualX, pScrn->virtualY,
pScrn->xDpi, pScrn->yDpi,
@ -668,6 +672,10 @@ DUMMYScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
dPtr->CloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = DUMMYCloseScreen;
/* Wrap the current CreateWindow function */
dPtr->CreateWindow = pScreen->CreateWindow;
pScreen->CreateWindow = DUMMYCreateWindow;
/* Report any unused options (only for the first generation) */
if (serverGeneration == 1) {
xf86ShowUnusedOptions(pScrn->scrnIndex, pScrn->options);
@ -753,7 +761,7 @@ DUMMYSaveScreen(ScreenPtr pScreen, int mode)
}
/* Optional */
static int
static ModeStatus
DUMMYValidMode(int scrnIndex, DisplayModePtr mode, Bool verbose, int flags)
{
return(MODE_OK);
@ -777,3 +785,35 @@ dummyModeInit(ScrnInfoPtr pScrn, DisplayModePtr mode)
return(TRUE);
}
Atom VFB_PROP = 0;
#define VFB_PROP_NAME "VFB_IDENT"
static Bool
DUMMYCreateWindow(WindowPtr pWin)
{
DUMMYPtr dPtr = DUMMYPTR(DUMMYScrn);
WindowPtr pWinRoot;
int ret;
ret = dPtr->CreateWindow(pWin);
if(ret != TRUE)
return(ret);
if(dPtr->prop == FALSE) {
pWinRoot = WindowTable[DUMMYScrn->pScreen->myNum];
if (! ValidAtom(VFB_PROP))
VFB_PROP = MakeAtom(VFB_PROP_NAME, strlen(VFB_PROP_NAME), 1);
ret = ChangeWindowProperty(pWinRoot, VFB_PROP, XA_STRING,
8, PropModeReplace, (int)4, (pointer)"TRUE", FALSE);
if( ret != Success)
ErrorF("Could not set VFB root window property");
dPtr->prop = TRUE;
return TRUE;
}
return TRUE;
}