Cleanup: pass matrix & vector by const reference instead of value

source/blender/compositor/realtime_compositor/COM_domain.hh

@@ -143,9 +143,9 @@ class Domain {
 
  public:
   /* A size only constructor that sets the transformation to identity. */
-  Domain(int2 size);
+  Domain(const int2 &size);
 
-  Domain(int2 size, float3x3 transformation);
+  Domain(const int2 &size, const float3x3 &transformation);
 
   /* Transform the domain by the given transformation. This effectively pre-multiply the given
    * transformation by the current transformation of the domain. */

source/blender/compositor/realtime_compositor/intern/domain.cc

@@ -7,11 +7,12 @@
 
 namespace blender::realtime_compositor {
 
-Domain::Domain(int2 size) : size(size), transformation(float3x3::identity())
+Domain::Domain(const int2 &size) : size(size), transformation(float3x3::identity())
 {
 }
 
-Domain::Domain(int2 size, float3x3 transformation) : size(size), transformation(transformation)
+Domain::Domain(const int2 &size, const float3x3 &transformation)
+    : size(size), transformation(transformation)
 {
 }