diff --git a/units/sdlrenderer.inc b/units/sdlrenderer.inc
index 32b7487..afc8e20 100644
--- a/units/sdlrenderer.inc
+++ b/units/sdlrenderer.inc
@@ -77,13 +77,18 @@ const
   SDL_TEXTUREMODULATE_COLOR = TSDL_TextureModulate(1); {**< srcC = srcC * color *}
   SDL_TEXTUREMODULATE_ALPHA = TSDL_TextureModulate(2); {**< srcA = srcA * alpha *}
 
+type
   {**
    *  Flip constants for SDL_RenderCopyEx
    *}
+  PPSDL_RenderFlip = ^PSDL_RenderFlip;
+  PSDL_RenderFlip = ^TSDL_RenderFlip;
+  TSDL_RenderFlip = type cint;
+
 const
-  SDL_FLIP_NONE       = $0; {**< Do not flip *}
-  SDL_FLIP_HORIZONTAL = $1; {**< flip horizontally *}
-  SDL_FLIP_VERTICAL   = $2; {**< flip vertically *}
+  SDL_FLIP_NONE       = TSDL_RenderFlip($0); {**< Do not flip *}
+  SDL_FLIP_HORIZONTAL = TSDL_RenderFlip($1); {**< flip horizontally *}
+  SDL_FLIP_VERTICAL   = TSDL_RenderFlip($2); {**< flip vertically *}
 
 type
   {**
@@ -889,7 +894,7 @@ function SDL_RenderCopyF(renderer: PSDL_Renderer; texture: PSDL_Texture; srcrect
    *
    *   0 on success, or -1 on error
    *}
-function SDL_RenderCopyEx(renderer: PSDL_Renderer; texture: PSDL_Texture; const srcrect: PSDL_Rect; dstrect: PSDL_Rect; angle: Double; center: PSDL_Point; flip: cint): cint32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderCopyEx' {$ENDIF} {$ENDIF};
+function SDL_RenderCopyEx(renderer: PSDL_Renderer; texture: PSDL_Texture; const srcrect: PSDL_Rect; dstrect: PSDL_Rect; angle: cdouble; center: PSDL_Point; flip: TSDL_RenderFlip): cint32 cdecl; external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderCopyEx' {$ENDIF} {$ENDIF};
 
   {**
    *  Copy a portion of the source texture to the current rendering target, rotating it by angle around the given center
@@ -904,7 +909,7 @@ function SDL_RenderCopyEx(renderer: PSDL_Renderer; texture: PSDL_Texture; const
    *
    *    0 on success, or -1 on error
    *}
-function SDL_RenderCopyExF(renderer: PSDL_Renderer; texture: PSDL_Texture; const srcrect: PSDL_Rect; dstrect: PSDL_FRect; angle: Double; center: PSDL_FPoint; flip: cint): cint32 cdecl;
+function SDL_RenderCopyExF(renderer: PSDL_Renderer; texture: PSDL_Texture; const srcrect: PSDL_Rect; dstrect: PSDL_FRect; angle: cdouble; center: PSDL_FPoint; flip: TSDL_RenderFlip): cint32 cdecl;
   external SDL_LibName {$IFDEF DELPHI} {$IFDEF MACOS} name '_SDL_RenderCopyExF' {$ENDIF} {$ENDIF};
 
 {**