star-3d

commit 9b5846ee7e1a811d47e59955d59c63a625c15919
parent c8327dc41e5d221c1f3dbf233888510866551b88
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Mon, 27 Feb 2017 14:50:07 +0100

Fix the scene view synchronisation

No "update" was notify to embree when the cached instantiated geometry was
updated.

Diffstat:
M
src/s3d_scene_view.c
 | 
11
+++++++++--

1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/src/s3d_scene_view.c b/src/s3d_scene_view.c
@@ -221,7 +221,14 @@ embree_geometry_register
   ASSERT(scnview && geom && (geom->type==GEOM_MESH || geom->type==GEOM_INSTANCE));
 
   /* Create the Embree geometry if it is not valid */
-  if(geom->irtc == RTC_INVALID_GEOMETRY_ID) {
+  if(geom->irtc != RTC_INVALID_GEOMETRY_ID) {
+    if(geom->type == GEOM_INSTANCE) {
+      /* If the geometry is an instance one have to update it if the
+       * instantiated geometry was updated. Currently, we have no simple way to
+       * know if the geometry was upd or not so we simply force the update. */
+      rtcUpdate(scnview->rtc_scn, geom->irtc);
+    }
+  } else {
     switch(geom->type) {
       case GEOM_MESH:
         geom->irtc = rtcNewTriangleMesh(scnview->rtc_scn, RTC_GEOMETRY_DYNAMIC,
@@ -312,9 +319,9 @@ embree_geometry_setup_transform
      geom->irtc,
      RTC_MATRIX_COLUMN_MAJOR,
      geom->data.instance->transform);
+  rtcUpdate(scnview->rtc_scn, geom->irtc);
 }
 
-
 static INLINE res_T
 scene_view_setup_embree(struct s3d_scene_view* scnview)
 {