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Clear shadow pixmaps before using them. 

This eliminates some ugly flashing, as well as clearing the borders when the
shadow will not be completely painted.
This commit is contained in:
Keith Packard 2008-03-18 15:25:31 -07:00
parent 97ab0c6eff
commit e86c34663e
1 changed files with 30 additions and 0 deletions
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30
hw/xfree86/modes/xf86Rotate.c
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@ -153,6 +153,35 @@ xf86CrtcDamageShadow (xf86CrtcPtr crtc)
REGION_UNINIT (pScreen, &damage_region); REGION_UNINIT (pScreen, &damage_region);
} }
static void
xf86CrtcShadowClear (xf86CrtcPtr crtc)
{
PixmapPtr dst_pixmap = crtc->rotatedPixmap;
ScrnInfoPtr scrn = crtc->scrn;
ScreenPtr screen = scrn->pScreen;
PicturePtr dst;
PictFormatPtr format = compWindowFormat (WindowTable[screen->myNum]);
static xRenderColor black = { 0, 0, 0, 0 };
xRectangle rect;
int error;
dst = CreatePicture (None,
&dst_pixmap->drawable,
format,
0L,
NULL,
serverClient,
&error);
if (!dst)
return;
rect.x = 0;
rect.y = 0;
rect.width = dst_pixmap->drawable.width;
rect.height = dst_pixmap->drawable.height;
CompositeRects (PictOpSrc, dst, &black, 1, &rect);
FreePicture (dst, None);
}
static void static void
xf86RotatePrepare (ScreenPtr pScreen) xf86RotatePrepare (ScreenPtr pScreen)
{ {
@ -170,6 +199,7 @@ xf86RotatePrepare (ScreenPtr pScreen)
crtc->rotatedData, crtc->rotatedData,
crtc->mode.HDisplay, crtc->mode.HDisplay,
crtc->mode.VDisplay); crtc->mode.VDisplay);
xf86CrtcShadowClear (crtc);
if (!xf86_config->rotation_damage_registered) if (!xf86_config->rotation_damage_registered)
{ {
/* Hook damage to screen pixmap */ /* Hook damage to screen pixmap */