bool
sna_video_clip_helper(ScrnInfoPtr scrn,
struct sna_video *video,
struct sna_video_frame *frame,
xf86CrtcPtr * crtc_ret,
BoxPtr dst,
short src_x, short src_y,
short drw_x, short drw_y,
short src_w, short src_h,
short drw_w, short drw_h,
RegionPtr reg)
{
bool ret;
RegionRec crtc_region_local;
RegionPtr crtc_region = reg;
INT32 x1, x2, y1, y2;
xf86CrtcPtr crtc;
x1 = src_x;
x2 = src_x + src_w;
y1 = src_y;
y2 = src_y + src_h;
dst->x1 = drw_x;
dst->x2 = drw_x + drw_w;
dst->y1 = drw_y;
dst->y2 = drw_y + drw_h;
/*
* For overlay video, compute the relevant CRTC and
* clip video to that
*/
crtc = sna_covering_crtc(scrn, dst, video->desired_crtc);
/* For textured video, we don't actually want to clip at all. */
if (crtc && !video->textured) {
crtc_region_local.extents = crtc->bounds;
crtc_region_local.data = NULL;
crtc_region = &crtc_region_local;
RegionIntersect(crtc_region, crtc_region, reg);
}
*crtc_ret = crtc;
ret = xf86XVClipVideoHelper(dst, &x1, &x2, &y1, &y2,
crtc_region, frame->width, frame->height);
if (crtc_region != reg)
RegionUninit(crtc_region);
frame->top = y1 >> 16;
frame->left = (x1 >> 16) & ~1;
frame->npixels = ALIGN(((x2 + 0xffff) >> 16), 2) - frame->left;
if (is_planar_fourcc(frame->id)) {
frame->top &= ~1;
frame->nlines = ALIGN(((y2 + 0xffff) >> 16), 2) - frame->top;
} else
static RRCrtcPtr
sna_present_get_crtc(WindowPtr window)
{
struct sna *sna = to_sna_from_drawable(&window->drawable);
BoxRec box;
xf86CrtcPtr crtc;
DBG(("%s\n", __FUNCTION__));
box.x1 = window->drawable.x;
box.y1 = window->drawable.y;
box.x2 = box.x1 + window->drawable.width;
box.y2 = box.y1 + window->drawable.height;
crtc = sna_covering_crtc(sna, &box, NULL);
if (crtc)
return crtc->randr_crtc;
return NULL;
}
