opengl+gel.world: Performance mods.

3-mid/opengl/source/lean/renderer/opengl-renderer-lean.adb

@@ -191,7 +191,7 @@ is
    is
       use Model;
 
-      free_Models : graphics_Models;
+      free_Models : graphics_Models with Convention => C;     -- Convention C is for performance.
       Last        : Natural;
    begin
       Self.obsolete_Models.fetch (free_Models, Last);
@@ -208,7 +208,7 @@ is
    is
       use Impostor;
 
-      free_Impostors : Impostor_Set;
+      free_Impostors : Impostor_Set with Convention => C;     -- Convention C is for performance.
       Last           : Natural;
    begin
       Self.obsolete_Impostors.fetch (free_Impostors, Last);

3-mid/opengl/source/lean/renderer/opengl-renderer-lean.ads

@@ -208,10 +208,15 @@ private
    type visual_geometry_Couples_view is access all visual_geometry_Couples;
 
 
-   -- graphics_Models
+   --- graphics_Models
    --
 
-   type graphics_Models is array (1 .. max_Visuals) of Model.view;
+   -- Convention C is for performance.
+   --
+
+   type graphics_Models is array (1 .. max_Visuals) of Model.view
+     with Convention => C;
+
 
    protected
    type safe_Models
@@ -228,7 +233,11 @@ private
    -- Impostors
    --
 
-   type Impostor_Set is array (1 .. max_Visuals) of Impostor.view;
+   -- Convention C is for performance.
+   --
+
+   type Impostor_Set is array (1 .. max_Visuals) of Impostor.view
+     with Convention => C;
 
    protected
    type safe_Impostors