calculate subsurface's bounding box

[zou lan]

Hi pekka & all

I find function weston_view_update_transform_enable() function will
calculate view's bounding box, but after that function,
weston_view_update_transform will update subsurface's scissor region by
parent surface's region, the code is in weston_view_transfer_scissor(). But
the sub view's bounding box is not going to recalculated.  Is it a problem?

weston_view_update_transform(struct weston_view *view)
{
.....
weston_view_update_transform_enable();
......
if (parent) {
if (parent->geometry.scissor_enabled) {
view->geometry.scissor_enabled = true;
weston_view_transfer_scissor(parent, view);
} else {
view->geometry.scissor_enabled = false;
}
}
}


Best Regards
Nancy
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