From 672bc5bb38918304cf68114a1112cd48651a5e83 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Sun, 10 Mar 2013 17:17:26 +0100 Subject: [PATCH] Xfbdev: Wire up Atari iplan2p4 and iplan2p8 support Add support for Atari-style interleaved bitplanes, with 2 bytes interleave and 4 or 8 bits per pixel. Signed-off-by: Geert Uytterhoeven Reviewed-by: Keith Packard --- hw/kdrive/fbdev/fbdev.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c index 52dfbf5ba..40747fe8b 100644 --- a/hw/kdrive/fbdev/fbdev.c +++ b/hw/kdrive/fbdev/fbdev.c @@ -439,7 +439,24 @@ fbdevSetShadow(ScreenPtr pScreen) break; case FB_TYPE_INTERLEAVED_PLANES: - FatalError("Interleaved bitplanes are not yet supported\n"); + if (priv->fix.type_aux == 2) { + switch (priv->var.bits_per_pixel) { + case 4: + update = shadowUpdateIplan2p4; + break; + + case 8: + update = shadowUpdateIplan2p8; + break; + + default: + FatalError("Atari interleaved bitplanes with bpp %u are not yet supported\n", + priv->var.bits_per_pixel); + } + } else { + FatalError("Interleaved bitplanes with interleave %u are not yet supported\n", + priv->fix.type_aux); + } break; case FB_TYPE_TEXT: