star-3d

commit 4045400a30318df9e3a9514f46b6f643531b7bfc
parent cf6a33010b3d1acaebafd81863da9ad519d6b45b
Author: Vincent Forest <vincent.forest@meso-star.com>
Date:   Mon, 21 Oct 2019 22:28:41 +0200

Add minor comments to the scene view sync AABB part

Diffstat:
M
src/s3d_scene_view.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/s3d_scene_view.c b/src/s3d_scene_view.c
@@ -974,13 +974,16 @@ scene_view_sync
     if(res != RES_OK) goto error;
   }
 
-  /* Compute the scene AABB is updated */
+  /* Compute the scene AABB if it is updated */
   if(scnview->aabb_update) {
     if((mask & S3D_TRACE) == 0) {
+      /* Compute from scratch */
       f3_splat(scnview->lower, FLT_MAX);
       f3_splat(scnview->upper,-FLT_MAX);
       scene_view_compute_scene_aabb(scnview);
     } else {
+      /* Retrieve the scene AABB from Embree since it was already computed to
+       * build the acceleration data structure */
       struct RTCBounds bounds;
       rtcGetSceneBounds(scnview->rtc_scn, &bounds);
       scnview->lower[0] = bounds.lower_x;