Пример #1
0
static Bool
xf86RotateRedisplay(ScreenPtr pScreen)
{
    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
    DamagePtr		damage = xf86_config->rotation_damage;
    RegionPtr		region;

    if (!damage)
	return FALSE;
    xf86RotatePrepare (pScreen);
    region = DamageRegion(damage);
    if (REGION_NOTEMPTY(pScreen, region)) 
    {
	int			c;
	SourceValidateProcPtr	SourceValidate;

	/*
	 * SourceValidate is used by the software cursor code
	 * to pull the cursor off of the screen when reading
	 * bits from the frame buffer. Bypassing this function
	 * leaves the software cursor in place
	 */
	SourceValidate = pScreen->SourceValidate;
	pScreen->SourceValidate = NULL;

	for (c = 0; c < xf86_config->num_crtc; c++)
	{
	    xf86CrtcPtr	    crtc = xf86_config->crtc[c];

	    if (crtc->rotation != RR_Rotate_0 && crtc->enabled)
	    {
		RegionRec   crtc_damage;

		/* compute portion of damage that overlaps crtc */
		REGION_INIT(pScreen, &crtc_damage, &crtc->bounds, 1);
		REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
		
		/* update damaged region */
		if (REGION_NOTEMPTY(pScreen, &crtc_damage))
    		    xf86RotateCrtcRedisplay (crtc, &crtc_damage);
		
		REGION_UNINIT (pScreen, &crtc_damage);
	    }
	}
	pScreen->SourceValidate = SourceValidate;
	DamageEmpty(damage);
    }
    return TRUE;
}
Пример #2
0
static void
xf86RotateRedisplay(ScreenPtr pScreen)
{
    ScrnInfoPtr		pScrn = xf86Screens[pScreen->myNum];
    xf86CrtcConfigPtr   xf86_config = XF86_CRTC_CONFIG_PTR(pScrn);
    DamagePtr		damage = xf86_config->rotation_damage;
    RegionPtr		region;

    if (!damage)
	return;
    xf86RotatePrepare (pScreen);
    region = DamageRegion(damage);
    if (REGION_NOTEMPTY(pScreen, region)) 
    {
	int		    c;
	
	for (c = 0; c < xf86_config->num_crtc; c++)
	{
	    xf86CrtcPtr	    crtc = xf86_config->crtc[c];

	    if (crtc->rotation != RR_Rotate_0)
	    {
		BoxRec	    box;
		RegionRec   crtc_damage;

		/* compute portion of damage that overlaps crtc */
		box.x1 = crtc->x;
		box.x2 = crtc->x + xf86ModeWidth (&crtc->mode, crtc->rotation);
		box.y1 = crtc->y;
		box.y2 = crtc->y + xf86ModeHeight (&crtc->mode, crtc->rotation);
		REGION_INIT(pScreen, &crtc_damage, &box, 1);
		REGION_INTERSECT (pScreen, &crtc_damage, &crtc_damage, region);
		
		/* update damaged region */
		if (REGION_NOTEMPTY(pScreen, &crtc_damage))
    		    xf86RotateCrtcRedisplay (crtc, &crtc_damage);
		
		REGION_UNINIT (pScreen, &crtc_damage);
	    }
	}
	DamageEmpty(damage);
    }
}