diff options
| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-03-10 21:04:19 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2013-04-18 13:10:26 +0200 |
| commit | 5ab260317ad3b2aafff31a97df21620db52eacd1 (patch) | |
| tree | 0cb9e2fa1c2855f1a987f1956ffe294fb346e39f | |
| parent | 672bc5bb38918304cf68114a1112cd48651a5e83 (diff) | |
Xfbdev: Wire up Amiga afb4 and afb8 support
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>
| -rw-r--r-- | hw/kdrive/fbdev/fbdev.c | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c index 40747fe8b..95f64cbef 100644 --- a/hw/kdrive/fbdev/fbdev.c +++ b/hw/kdrive/fbdev/fbdev.c @@ -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: |