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Add framebuffer access wrapper infrastructure.

Browse source 
Create fbPrepareAccess macros to call into the driver to set up the
wfbReadMemory and wfbWriteWemory pointers.  Call these from fbGetDrawable and
fbGetStipDrawable.

Add the READ and WRITE macros, which expand to simple memory accesses for fb,
and calls through the function pointers for wfb.

Add fbFinishAccess macro to give the driver an opportunity to clean up.  Add
calls to this in the appropriate places.
This commit is contained in:
Aaron Plattner 2006-07-10 18:58:09 -07:00
commit a4005c15fb
24 changed files with 266 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

40
fb/fbscreen.c
View file

@ -155,6 +155,19 @@ fbSetupScreen(ScreenPtr pScreen,
return TRUE;
}
#ifdef FB_ACCESS_WRAPPER
Bool
wfbFinishScreenInit(ScreenPtr pScreen,
pointer pbits,
int xsize,
int ysize,
int dpix,
int dpiy,
int width,
int bpp,
SetupWrapProcPtr setupWrap,
FinishWrapProcPtr finishWrap)
#else
Bool
fbFinishScreenInit(ScreenPtr pScreen,
pointer pbits,
@ -164,6 +177,7 @@ fbFinishScreenInit(ScreenPtr pScreen,
int dpiy,
int width,
int bpp)
#endif
{
VisualPtr visuals;
DepthPtr depths;
@ -222,6 +236,10 @@ fbFinishScreenInit(ScreenPtr pScreen,
fbGetScreenPrivate(pScreen)->win32bpp = 32;
fbGetScreenPrivate(pScreen)->pix32bpp = 32;
}
#ifdef FB_ACCESS_WRAPPER
fbGetScreenPrivate(pScreen)->setupWrap = setupWrap;
fbGetScreenPrivate(pScreen)->finishWrap = finishWrap;
#endif
#endif
rootdepth = 0;
if (!fbInitVisuals (&visuals, &depths, &nvisuals, &ndepths, &rootdepth,
@ -256,6 +274,27 @@ fbFinishScreenInit(ScreenPtr pScreen,
}
/* dts * (inch/dot) * (25.4 mm / inch) = mm */
#ifdef FB_ACCESS_WRAPPER
Bool
wfbScreenInit(ScreenPtr pScreen,
pointer pbits,
int xsize,
int ysize,
int dpix,
int dpiy,
int width,
int bpp,
SetupWrapProcPtr setupWrap,
FinishWrapProcPtr finishWrap)
{
if (!fbSetupScreen(pScreen, pbits, xsize, ysize, dpix, dpiy, width, bpp))
return FALSE;
if (!wfbFinishScreenInit(pScreen, pbits, xsize, ysize, dpix, dpiy,
width, bpp, setupWrap, finishWrap))
return FALSE;
return TRUE;
}
#else
Bool
fbScreenInit(ScreenPtr pScreen,
pointer pbits,
@ -273,6 +312,7 @@ fbScreenInit(ScreenPtr pScreen,
return FALSE;
return TRUE;
}
#endif
#ifdef FB_OLD_SCREEN