diff options
| -rw-r--r-- | clutter/clutter/clutter-stage.c | 22 |
1 files changed, 2 insertions, 20 deletions
diff --git a/clutter/clutter/clutter-stage.c b/clutter/clutter/clutter-stage.c index ac6f500a3..f35f52cb4 100644 --- a/clutter/clutter/clutter-stage.c +++ b/clutter/clutter/clutter-stage.c @@ -674,7 +674,6 @@ _cogl_util_get_eye_planes_for_screen_poly (float *polygon, graphene_vec3_t b; graphene_vec3_t c; float zw, ww; - int count; tmp_poly = g_alloca (sizeof (Vector4) * n_vertices * 2); @@ -738,8 +737,7 @@ _cogl_util_get_eye_planes_for_screen_poly (float *polygon, * cogl_vector APIs just took pointers to floats. */ - count = n_vertices - 1; - for (i = 0; i < count; i++) + for (i = 0; i < n_vertices; i++) { plane = &planes[i]; @@ -749,7 +747,7 @@ _cogl_util_get_eye_planes_for_screen_poly (float *polygon, poly = &tmp_poly[n_vertices + i]; graphene_vec3_init (&b, poly->x, poly->y, poly->z); - poly = &tmp_poly[n_vertices + i + 1]; + poly = &tmp_poly[n_vertices + ((i + 1) % n_vertices)]; graphene_vec3_init (&c, poly->x, poly->y, poly->z); graphene_vec3_subtract (&b, &plane->v0, &b); @@ -757,22 +755,6 @@ _cogl_util_get_eye_planes_for_screen_poly (float *polygon, graphene_vec3_cross (&b, &c, &plane->n); graphene_vec3_normalize (&plane->n, &plane->n); } - - plane = &planes[n_vertices - 1]; - - poly = &tmp_poly[0]; - graphene_vec3_init (&plane->v0, poly->x, poly->y, poly->z); - - poly = &tmp_poly[2 * n_vertices - 1]; - graphene_vec3_init (&b, poly->x, poly->y, poly->z); - - poly = &tmp_poly[n_vertices]; - graphene_vec3_init (&c, poly->x, poly->y, poly->z); - - graphene_vec3_subtract (&b, &plane->v0, &b); - graphene_vec3_subtract (&c, &plane->v0, &c); - graphene_vec3_cross (&b, &c, &plane->n); - graphene_vec3_normalize (&plane->n, &plane->n); } /* XXX: Instead of having a toplevel 2D clip region, it might be |