Update auto-generated program files

darkest_before_dawn_standalone.dpr

@@ -12,10 +12,10 @@
   or the command-line: "castle-engine generate-program".
   Along with this file, we also generate CastleAutoGenerated unit. }
 
-{ Do not specify program name below.
-  It is not used anyway, and this way allows developer
-  to change standalone_source in CastleEngineManifest.xml easier. }
-// program darkest_before_dawn_standalone;
+{ Note: The "program" declaration is optional in Pascal.
+  But we keep using it, otherwise Delphi IDE breaks the "uses" clause when
+  adding units to the project. }
+program darkest_before_dawn_standalone;
 
 {$ifdef MSWINDOWS} {$apptype GUI} {$endif}
 
@@ -30,6 +30,41 @@ uses
   {$endif}
   CastleAutoGenerated, CastleWindow, Game;
 
+{ Forces using a dedicated (faster) GPU on laptops with multiple GPUs.
+  See https://castle-engine.io/dedicated_gpu }
+{$if (not defined(CASTLE_NO_FORCE_DEDICATED_GPU)) and
+     (defined(CPU386) or defined(CPUX64) or defined(CPUAMD64)) and
+     (defined(MSWINDOWS) or (defined(LINUX) and defined(FPC)))
+}
+    {$ifdef FPC}
+      {$asmmode intel}
+    {$endif}
+
+    procedure NvOptimusEnablement; {$ifdef FPC}assembler; nostackframe;{$endif}
+    asm
+      {$ifdef CPU64}
+      {$ifndef FPC}
+      .NOFRAME
+      {$endif}
+      {$endif}
+      dd 1
+    end;
+
+    procedure AmdPowerXpressRequestHighPerformance; {$ifdef FPC}assembler; nostackframe;{$endif}
+    asm
+      {$ifdef CPU64}
+      {$ifndef FPC}
+      .NOFRAME
+      {$endif}
+      {$endif}
+      dd 1
+    end;
+
+    exports
+      NvOptimusEnablement,
+      AmdPowerXpressRequestHighPerformance;
+{$ifend}
+
 begin
   Application.MainWindow.OpenAndRun;
 end.