andreacavalli/xserver-multidpi
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Xfbdev: Wire up Amiga afb4 and afb8 support

Browse Source 
Add support for Amiga-style bitplanes, with 4 or 8 bits per pixel.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Keith Packard <keithp@keithp.com>
This commit is contained in:
Geert Uytterhoeven 2013-03-10 21:04:19 +01:00
parent 672bc5bb38
commit 5ab260317a
1 changed files with 29 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
hw/kdrive/fbdev/fbdev.c
View File

@ -319,6 +319,21 @@ fbdevWindowLinear(ScreenPtr pScreen,
return (CARD8 *) priv->fb + row * priv->fix.line_length + offset;
}
static void *
fbdevWindowAfb(ScreenPtr pScreen,
CARD32 row,
CARD32 offset, int mode, CARD32 *size, void *closure)
{
KdScreenPriv(pScreen);
FbdevPriv *priv = pScreenPriv->card->driver;
if (!pScreenPriv->enabled)
return 0;
/* offset to next plane */
*size = priv->var.yres_virtual * priv->fix.line_length;
return (CARD8 *) priv->fb + row * priv->fix.line_length + offset;
}
Bool
fbdevMapFramebuffer(KdScreenInfo * screen)
{
@ -435,7 +450,20 @@ fbdevSetShadow(ScreenPtr pScreen)
break;
case FB_TYPE_PLANES:
FatalError("Bitplanes are not yet supported\n");
window = fbdevWindowAfb;
switch (priv->var.bits_per_pixel) {
case 4:
update = shadowUpdateAfb4;
break;
case 8:
update = shadowUpdateAfb8;
break;
default:
FatalError("Bitplanes with bpp %u are not yet supported\n",
priv->var.bits_per_pixel);
}
break;
case FB_TYPE_INTERLEAVED_PLANES: