X-Git-Url: http://git.xonotic.org/?p=xonotic%2Fxonotic.git;a=blobdiff_plain;f=misc%2Fbuilddeps%2Fwin32%2Fsdl%2Finclude%2FSDL2%2FSDL_test_compare.h;h=1f751c8b9c47059d936904070b3eabb550ae7852;hp=f1353a8d250c2602ee5538919d5f4a88334db139;hb=1e434bee7af23e6dfd2130a8eadd131e5da3d643;hpb=bfdab051f22d11a553b69f28a294cb012b0b6c50

diff --git a/misc/builddeps/win32/sdl/include/SDL2/SDL_test_compare.h b/misc/builddeps/win32/sdl/include/SDL2/SDL_test_compare.h
index f1353a8d..1f751c8b 100644
--- a/misc/builddeps/win32/sdl/include/SDL2/SDL_test_compare.h
+++ b/misc/builddeps/win32/sdl/include/SDL2/SDL_test_compare.h
@@ -1,6 +1,6 @@
 /*
   Simple DirectMedia Layer
-  Copyright (C) 1997-2014 Sam Lantinga <slouken@libsdl.org>
+  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages
@@ -33,8 +33,8 @@
 
 */
 
-#ifndef _SDL_test_compare_h
-#define _SDL_test_compare_h
+#ifndef SDL_test_compare_h_
+#define SDL_test_compare_h_
 
 #include "SDL.h"
 
@@ -51,9 +51,9 @@ extern "C" {
  *
  * \param surface Surface used in comparison
  * \param referenceSurface Test Surface used in comparison
- * \param allowable_error Allowable difference (squared) in blending accuracy.
+ * \param allowable_error Allowable difference (=sum of squared difference for each RGB component) in blending accuracy.
  *
- * \returns 0 if comparison succeeded, >0 (=number of pixels where comparison failed) if comparison failed, -1 if any of the surfaces were NULL, -2 if the surface sizes differ.
+ * \returns 0 if comparison succeeded, >0 (=number of pixels for which the comparison failed) if comparison failed, -1 if any of the surfaces were NULL, -2 if the surface sizes differ.
  */
 int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface, int allowable_error);
 
@@ -64,6 +64,6 @@ int SDLTest_CompareSurfaces(SDL_Surface *surface, SDL_Surface *referenceSurface,
 #endif
 #include "close_code.h"
 
-#endif /* _SDL_test_compare_h */
+#endif /* SDL_test_compare_h_ */
 
 /* vi: set ts=4 sw=4 expandtab: */