Fixed asserts, simplified bounds check

Author: stefanatwork

kernels/common/buffer.h

@@ -256,7 +256,7 @@ namespace embree
         throw_RTCError(RTC_ERROR_INVALID_ARGUMENT,"item count too large");
       }
 
-      if (offset_in > 0 && offset_in >= buffer_in->numBytes) {
+      if (offset_in > buffer_in->numBytes) {
         throw_RTCError(RTC_ERROR_INVALID_ARGUMENT, "offset too large");
       }
 

kernels/common/scene_grid_mesh.h

@@ -155,16 +155,16 @@ namespace embree
     __forceinline unsigned int getNumQuads(const size_t gridID) const
     {
       const Grid& g = grid(gridID);
-      assert(g.resX > maxGridRes);
-      assert(g.resY > maxGridRes);
+      assert(g.resX <= maxGridRes);
+      assert(g.resY <= maxGridRes);
       return (unsigned int) max((int)1,((int)g.resX-1) * ((int)g.resY-1));
     }
 
     __forceinline unsigned int getNumSubGrids(const size_t gridID) const
     {
       const Grid& g = grid(gridID);
-      assert(g.resX > maxGridRes);
-      assert(g.resY > maxGridRes);
+      assert(g.resX <= maxGridRes);
+      assert(g.resY <= maxGridRes);
       return max((unsigned int)1,((unsigned int)g.resX >> 1) * ((unsigned int)g.resY >> 1));
     }