diff options
| author | Keith Packard <keithp@keithp.com> | 2001-07-11 05:02:24 +0000 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2001-07-11 05:02:24 +0000 |
| commit | 99fb2eb76d8f93578e4aba75c73b9be0766f7b6f (patch) | |
| tree | b3d965bc50be71630b29cc9ec900a675fb5ba239 /hw | |
| parent | 562474091a3d52a062eb89d25a7d38200a785425 (diff) | |
Generalize kludge in fbdev that normalizes pixel formats to something that
Render can handle
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/kdrive/fbdev/fbdev.c | 42 |
1 files changed, 36 insertions, 6 deletions
diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c index 320fe48a8..4ab88aea8 100644 --- a/hw/kdrive/fbdev/fbdev.c +++ b/hw/kdrive/fbdev/fbdev.c @@ -21,7 +21,7 @@ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR * PERFORMANCE OF THIS SOFTWARE. */ -/* $XFree86: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.21 2001/06/16 05:53:05 keithp Exp $ */ +/* $XFree86: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.22 2001/06/21 00:58:51 keithp Exp $ */ #include "fbdev.h" @@ -86,6 +86,23 @@ fbdevCardInit (KdCardInfo *card) return TRUE; } +#define FBDEV_KLUDGE_FORMAT +#ifdef FBDEV_KLUDGE_FORMAT +static Pixel +fbdevMakeContig (Pixel orig, Pixel others) +{ + Pixel low; + + low = lowbit (orig) >> 1; + while (low && (others & low) == 0) + { + orig |= low; + low >>= 1; + } + return orig; +} +#endif + Bool fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv) { @@ -141,11 +158,24 @@ fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv) screen->fb[0].redMask = Mask (priv->var.red.offset, priv->var.red.length); screen->fb[0].greenMask = Mask (priv->var.green.offset, priv->var.green.length); screen->fb[0].blueMask = Mask (priv->var.blue.offset, priv->var.blue.length); -#ifdef ITSY - screen->fb[0].redMask = 0xf800; - screen->fb[0].greenMask = 0x07e0; - screen->fb[0].blueMask = 0x001f; -#endif +#ifdef FBDEV_KLUDGE_FORMAT + /* + * This is a kludge so that Render will work -- fill in the gaps + * in the pixel + */ + screen->fb[0].redMask = fbdevMakeContig (screen->fb[0].redMask, + screen->fb[0].greenMask| + screen->fb[0].blueMask); + + screen->fb[0].greenMask = fbdevMakeContig (screen->fb[0].greenMask, + screen->fb[0].redMask| + screen->fb[0].blueMask); + + screen->fb[0].blueMask = fbdevMakeContig (screen->fb[0].blueMask, + screen->fb[0].redMask| + screen->fb[0].greenMask); + +#endif allbits = screen->fb[0].redMask | screen->fb[0].greenMask | screen->fb[0].blueMask; depth = 32; while (depth && !(allbits & (1 << (depth - 1)))) |