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16bpp shadow copy functions if screen is 16bpp. Select -YX versions for
90 and 270 rotations if architecture is ARM.
This commit is contained in:
Phil Blundell 2004-07-20 14:33:42 +00:00
parent 7971144140
commit 07e6011106
1 changed files with 32 additions and 1 deletions
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33
hw/kdrive/fbdev/fbdev.c
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@ -391,13 +391,44 @@ fbdevSetShadow (ScreenPtr pScreen)
KdScreenPriv(pScreen); KdScreenPriv(pScreen);
KdScreenInfo *screen = pScreenPriv->screen; KdScreenInfo *screen = pScreenPriv->screen;
FbdevScrPriv *scrpriv = screen->driver; FbdevScrPriv *scrpriv = screen->driver;
FbdevPriv *priv = screen->card->driver;
ShadowUpdateProc update; ShadowUpdateProc update;
ShadowWindowProc window; ShadowWindowProc window;
int useYX = 0;
#ifdef __arm__
/* Use variant copy routines that always read left to right in the
shadow framebuffer. Reading vertical strips is exceptionally
slow on XScale due to cache effects. */
useYX = 1;
#endif
window = fbdevWindowLinear; window = fbdevWindowLinear;
update = 0; update = 0;
if (scrpriv->randr) if (scrpriv->randr)
update = shadowUpdateRotatePacked; if (priv->var.bits_per_pixel == 16) {
switch (scrpriv->randr) {
case RR_Rotate_90:
if (useYX)
update = shadowUpdateRotate16_90YX;
else
update = shadowUpdateRotate16_90;
break;
case RR_Rotate_180:
update = shadowUpdateRotate16_180;
break;
case RR_Rotate_270:
if (useYX)
update = shadowUpdateRotate16_270YX;
else
update = shadowUpdateRotate16_270;
break;
default:
update = shadowUpdateRotate16;
break;
}
} else
update = shadowUpdateRotatePacked;
else else
update = shadowUpdatePacked; update = shadowUpdatePacked;
return KdShadowSet (pScreen, scrpriv->randr, update, window); return KdShadowSet (pScreen, scrpriv->randr, update, window);