Cleanup: replace UNUSED macro with commented args in C++ code

This is the conventional way of dealing with unused arguments in C++,
since it works on all compilers.

Regex find and replace: `UNUSED\((\w+)\)` -> `/*$1*/`

2 files changed, 9 insertions, 11 deletions

diff --git a/source/blender/render/intern/engine.cc b/source/blender/render/intern/engine.cc
index 10a4788ef77..5eb4db6faa4 100644
--- a/source/blender/render/intern/engine.cc
+++ b/source/blender/render/intern/engine.cc
@@ -306,7 +306,7 @@ static void render_result_to_bake(RenderEngine *engine, RenderResult *rr)
 
 /* Render Results */
 
-static HighlightedTile highlighted_tile_from_result_get(Render *UNUSED(re), RenderResult *result)
+static HighlightedTile highlighted_tile_from_result_get(Render * /*re*/, RenderResult *result)
 {
   HighlightedTile tile;
   tile.rect = result->tilerect;
diff --git a/source/blender/render/intern/pipeline.cc b/source/blender/render/intern/pipeline.cc
index 3dca26356df..baa89d5c845 100644
--- a/source/blender/render/intern/pipeline.cc
+++ b/source/blender/render/intern/pipeline.cc
@@ -162,29 +162,27 @@ static bool do_write_image_or_movie(Render *re,
                                     const char *name_override);
 
 /* default callbacks, set in each new render */
-static void result_nothing(void *UNUSED(arg), RenderResult *UNUSED(rr))
+static void result_nothing(void * /*arg*/, RenderResult * /*rr*/)
 {
 }
-static void result_rcti_nothing(void *UNUSED(arg),
-                                RenderResult *UNUSED(rr),
-                                struct rcti *UNUSED(rect))
+static void result_rcti_nothing(void * /*arg*/, RenderResult * /*rr*/, struct rcti * /*rect*/)
 {
 }
-static void current_scene_nothing(void *UNUSED(arg), Scene *UNUSED(scene))
+static void current_scene_nothing(void * /*arg*/, Scene * /*scene*/)
 {
 }
-static void stats_nothing(void *UNUSED(arg), RenderStats *UNUSED(rs))
+static void stats_nothing(void * /*arg*/, RenderStats * /*rs*/)
 {
 }
-static void float_nothing(void *UNUSED(arg), float UNUSED(val))
+static void float_nothing(void * /*arg*/, float /*val*/)
 {
 }
-static int default_break(void *UNUSED(arg))
+static int default_break(void * /*arg*/)
 {
   return G.is_break == true;
 }
 
-static void stats_background(void *UNUSED(arg), RenderStats *rs)
+static void stats_background(void * /*arg*/, RenderStats *rs)
 {
   if (rs->infostr == nullptr) {
     return;
@@ -1610,7 +1608,7 @@ bool RE_is_rendering_allowed(Scene *scene,
 static void update_physics_cache(Render *re,
                                  Scene *scene,
                                  ViewLayer *view_layer,
-                                 int UNUSED(anim_init))
+                                 int /*anim_init*/)
 {
   PTCacheBaker baker;