Potential changes to amend with previous commit per suggestions by Uri, Frediano. --- server/display-channel.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/server/display-channel.c b/server/display-channel.c index 4ee842a..5f4caf9 100644 --- a/server/display-channel.c +++ b/server/display-channel.c @@ -592,7 +592,7 @@ static bool current_add_equal(DisplayChannel *display, DrawItem *item, TreeItem * * If there is overlap between @rgn and the @item region, remove the * overlapping intersection from both @rgn and the item's region (NOTE: it's - * not clear to me why this is done) + * not clear to me why this is done - jjongsma) * * However, if the item is a DrawItem that has a shadow, we add an additional * region to @rgn: the intersection of the shadow item's region with @rgn when @@ -626,8 +626,8 @@ static bool current_add_equal(DisplayChannel *display, DrawItem *item, TreeItem * @ring: a fallback toplevel ring??? * @item: the tree item to exclude from @rgn * @rgn: the region to exclude - * @top_ring: ? - * @frame_candidate: ? + * @top_ring: ??? + * @frame_candidate: ??? */ static void __exclude_region(DisplayChannel *display, Ring *ring, TreeItem *item, QRegion *rgn, Ring **top_ring, Drawable *frame_candidate) @@ -683,7 +683,7 @@ static void __exclude_region(DisplayChannel *display, Ring *ring, TreeItem *item } } } else { - /* NOTE: It's unclear to me why this code is necessary here */ + /* TODO: document the purpose of this code */ if (frame_candidate) { Drawable *drawable = SPICE_CONTAINEROF(draw, Drawable, tree_item); stream_maintenance(display, frame_candidate, drawable); @@ -700,13 +700,14 @@ static void __exclude_region(DisplayChannel *display, Ring *ring, TreeItem *item Shadow *shadow; /* exclude the intersection from the 'rgn' argument as well, - * but only if the item is now empty... WHY??? */ + * but only if the item is now empty. + * TODO: explain why this is necessary */ region_exclude(rgn, &and_rgn); if ((shadow = tree_item_find_shadow(item))) { /* add the shadow's on_hold region back to the 'rgn' argument */ region_or(rgn, &shadow->on_hold); if (!tree_item_contained_by(&shadow->base, *top_ring)) { - /* NOTE: it's unclear why top_ring is set here */ + /* TODO: document why top_ring is set here */ *top_ring = tree_item_container_items(&shadow->base, ring); } } @@ -737,8 +738,7 @@ static void __exclude_region(DisplayChannel *display, Ring *ring, TreeItem *item * Any items that have an empty region as a result of the __exclude_region() * call are removed from the tree. * - * NOTE: I still don't have a great conceptual understanding of this function's - * intended use. + * TODO: What is the intended use of this function? * * @ring: every time this function is called, @ring is a Surface's 'current' * ring, or to the ring of children of a container within that ring. @@ -751,7 +751,7 @@ static void __exclude_region(DisplayChannel *display, Ring *ring, TreeItem *item * next item after iteration is complete (which may be different than the * passed value if that item was removed from the tree * @frame_candidate: usually callers pass NULL, sometimes it's the drawable - * that's being added to the 'current' ring. What is its purpose? + * that's being added to the 'current' ring. TODO: What is its purpose? */ static void exclude_region(DisplayChannel *display, Ring *ring, RingItem *ring_item, QRegion *rgn, TreeItem **last, Drawable *frame_candidate) @@ -954,9 +954,9 @@ static bool current_add(DisplayChannel *display, Ring *ring, Drawable *drawable) * 'on_hold' regions from the shadows of previous * iterations * - * NOTE: it's unclear to me why we only only call + * TODO: it's unclear to me why we only only call * exclude_region() for the previous item if the next - * item is obscured and has a shadow. + * item is obscured and has a shadow. -jjongsma */ TreeItem *next = sibling; exclude_region(display, ring, exclude_base, &exclude_rgn, &next, NULL); @@ -989,7 +989,7 @@ static bool current_add(DisplayChannel *display, Ring *ring, Drawable *drawable) if (shadow || skip) { /* 'now' is currently set to the the item immediately AFTER * the obscured sibling that we just removed. - * NOTE: it's unclear to me Why this item is used as an + * TODO: document why this item is used as an * 'exclude_base' */ exclude_base = now; } -- 2.9.3 _______________________________________________ Spice-devel mailing list Spice-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/spice-devel