int
SetPictureFilter(PicturePtr pPicture, char *name, int len, xFixed * params,
int nparams)
{
PictFilterPtr pFilter;
ScreenPtr pScreen;
if (pPicture->pDrawable != NULL)
pScreen = pPicture->pDrawable->pScreen;
else
pScreen = screenInfo.screens[0];
pFilter = PictureFindFilter(pScreen, name, len);
if (!pFilter)
return BadName;
if (pPicture->pDrawable == NULL) {
int s;
/* For source pictures, the picture isn't tied to a screen. So, ensure
* that all screens can handle a filter we set for the picture.
*/
for (s = 1; s < screenInfo.numScreens; s++) {
PictFilterPtr pScreenFilter;
pScreenFilter = PictureFindFilter(screenInfo.screens[s], name, len);
if (!pScreenFilter || pScreenFilter->id != pFilter->id)
return BadMatch;
}
}
return SetPicturePictFilter(pPicture, pFilter, params, nparams);
}
static void
xf86RotateCrtcRedisplay(xf86CrtcPtr crtc, RegionPtr region)
{
ScrnInfoPtr scrn = crtc->scrn;
ScreenPtr screen = scrn->pScreen;
WindowPtr root = screen->root;
PixmapPtr dst_pixmap = crtc->rotatedPixmap;
PictFormatPtr format = PictureWindowFormat(screen->root);
int error;
PicturePtr src, dst;
int n = RegionNumRects(region);
BoxPtr b = RegionRects(region);
XID include_inferiors = IncludeInferiors;
if (crtc->driverIsPerformingTransform)
return;
src = CreatePicture(None,
&root->drawable,
format,
CPSubwindowMode,
&include_inferiors, serverClient, &error);
if (!src)
return;
dst = CreatePicture(None,
&dst_pixmap->drawable,
format, 0L, NULL, serverClient, &error);
if (!dst)
return;
error = SetPictureTransform(src, &crtc->crtc_to_framebuffer);
if (error)
return;
if (crtc->transform_in_use && crtc->filter)
SetPicturePictFilter(src, crtc->filter, crtc->params, crtc->nparams);
if (crtc->shadowClear) {
CompositePicture(PictOpSrc,
src, NULL, dst,
0, 0, 0, 0, 0, 0,
crtc->mode.HDisplay, crtc->mode.VDisplay);
crtc->shadowClear = FALSE;
}
else {
while (n--) {
BoxRec dst_box;
dst_box = *b;
dst_box.x1 -= crtc->filter_width >> 1;
dst_box.x2 += crtc->filter_width >> 1;
dst_box.y1 -= crtc->filter_height >> 1;
dst_box.y2 += crtc->filter_height >> 1;
pixman_f_transform_bounds(&crtc->f_framebuffer_to_crtc, &dst_box);
CompositePicture(PictOpSrc,
src, NULL, dst,
dst_box.x1, dst_box.y1, 0, 0, dst_box.x1,
dst_box.y1, dst_box.x2 - dst_box.x1,
dst_box.y2 - dst_box.y1);
b++;
}
}
FreePicture(src, None);
FreePicture(dst, None);
}
