Add fix for Embree 4

Author: matthewdcong

src/common/embree_intersector.cpp

@@ -160,9 +160,7 @@ bool EmbreeIntersector::intersectRay(
 
     // shot ray
     {
-        RTCIntersectContext context;
-        rtcInitIntersectContext(&context);
-        rtcIntersect1(scene,&context,&ray);
+        rtcIntersect1(scene,&ray);
         ray.hit.Ng_x = -ray.hit.Ng_x; // EMBREE_FIXME: only correct for triangles,quads, and subdivision surfaces
         ray.hit.Ng_y = -ray.hit.Ng_y;
         ray.hit.Ng_z = -ray.hit.Ng_z;
@@ -271,9 +269,7 @@ ::intersectRay(
         ray.hit.instID[0] = RTC_INVALID_GEOMETRY_ID;
         num_rays++;
         {
-            RTCIntersectContext context;
-            rtcInitIntersectContext(&context);
-            rtcIntersect1(scene,&context,&ray);
+            rtcIntersect1(scene,&ray);
             ray.hit.Ng_x = -ray.hit.Ng_x; // EMBREE_FIXME: only correct for triangles,quads, and subdivision surfaces
             ray.hit.Ng_y = -ray.hit.Ng_y;
             ray.hit.Ng_z = -ray.hit.Ng_z;
@@ -353,9 +349,7 @@ ::intersectSegment(const Eigen::RowVector3f& a, const Eigen::RowVector3f& ab, Hi
     createRay(ray,a,ab,0,1.0,mask);
 
     {
-        RTCIntersectContext context;
-        rtcInitIntersectContext(&context);
-        rtcIntersect1(scene,&context,&ray);
+        rtcIntersect1(scene,&ray);
         ray.hit.Ng_x = -ray.hit.Ng_x; // EMBREE_FIXME: only correct for triangles,quads, and subdivision surfaces
         ray.hit.Ng_y = -ray.hit.Ng_y;
         ray.hit.Ng_z = -ray.hit.Ng_z;