sna: Remvoe unused code

sna_trapezoids_precise.c:566:1: warning: unused function
'polygon_add_line' [-Wunused-function]

gen4_vertex.c:3093:1: warning: unused function
'gen4_choose_spans_vertex_buffer' [-Wunused-function]

Reported-by: Zdenek Kabelac <zkabelac@redhat.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 0 insertions, 81 deletions

diff --git a/src/sna/sna_trapezoids_precise.c b/src/sna/sna_trapezoids_precise.c
index 6cde8249..99ed087e 100644
--- a/src/sna/sna_trapezoids_precise.c
+++ b/src/sna/sna_trapezoids_precise.c
@@ -562,87 +562,6 @@ polygon_add_edge(struct polygon *polygon,
 	polygon->num_edges++;
 }
 
-inline static void
-polygon_add_line(struct polygon *polygon,
-		 const xPointFixed *p1,
-		 const xPointFixed *p2)
-{
-	struct edge *e = &polygon->edges[polygon->num_edges];
-	int dx = p2->x - p1->x;
-	int dy = p2->y - p1->y;
-	int top, bot;
-
-	if (dy == 0)
-		return;
-
-	__DBG(("%s: line=(%d, %d), (%d, %d)\n",
-	       __FUNCTION__, (int)p1->x, (int)p1->y, (int)p2->x, (int)p2->y));
-
-	e->dir = 1;
-	if (dy < 0) {
-		const xPointFixed *t;
-
-		dx = -dx;
-		dy = -dy;
-
-		e->dir = -1;
-
-		t = p1;
-		p1 = p2;
-		p2 = t;
-	}
-	assert (dy > 0);
-	e->dy = dy;
-
-	top = MAX(p1->y, polygon->ymin);
-	bot = MIN(p2->y, polygon->ymax);
-	if (bot <= top)
-		return;
-
-	e->ytop = top;
-	e->height_left = bot - top;
-	if (e->height_left <= 0)
-		return;
-
-	if (dx == 0) {
-		e->x.quo = p1->x;
-		e->x.rem = -dy;
-		e->dxdy.quo = 0;
-		e->dxdy.rem = 0;
-		e->dy = 0;
-	} else {
-		e->dxdy = floored_divrem(dx, dy);
-		if (top == p1->y) {
-			e->x.quo = p1->x;
-			e->x.rem = -dy;
-		} else {
-			e->x = floored_muldivrem(top - p1->y, dx, dy);
-			e->x.quo += p1->x;
-			e->x.rem -= dy;
-		}
-	}
-
-	if (polygon->num_edges > 0) {
-		struct edge *prev = &polygon->edges[polygon->num_edges-1];
-		/* detect degenerate triangles inserted into tristrips */
-		if (e->dir == -prev->dir &&
-		    e->ytop == prev->ytop &&
-		    e->height_left == prev->height_left &&
-		    e->x.quo == prev->x.quo &&
-		    e->x.rem == prev->x.rem &&
-		    e->dxdy.quo == prev->dxdy.quo &&
-		    e->dxdy.rem == prev->dxdy.rem) {
-			unsigned ix = EDGE_Y_BUCKET_INDEX(e->ytop,
-							  polygon->ymin);
-			polygon->y_buckets[ix] = prev->next;
-			return;
-		}
-	}
-
-	_polygon_insert_edge_into_its_y_bucket(polygon, e);
-	polygon->num_edges++;
-}
-
 static void
 active_list_reset(struct active_list *active)
 {