Consolidate duplicate screen init functions

git-svn-id: svn://svn.code.sf.net/p/sc2/code/trunk@3770 8092fc87-c524-0410-9efc-e669fe64eaf9

sc2/src/libs/graphics/sdl/opengl.c

@@ -69,30 +69,6 @@ static TFB_GRAPHICS_BACKEND opengl_unscaled_backend = {
 	TFB_GL_ColorLayer };
 
 
-static SDL_Surface *
-Create_Screen (SDL_Surface *templat, int w, int h)
-{
-	SDL_Surface *newsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h,
-			templat->format->BitsPerPixel,
-			templat->format->Rmask, templat->format->Gmask,
-			templat->format->Bmask, 0);
-	if (newsurf == 0) {
-		log_add (log_Error, "Couldn't create screen buffers: %s",
-				SDL_GetError());
-	}
-	return newsurf;
-}
-
-static int
-ReInit_Screen (SDL_Surface **screen, SDL_Surface *templat, int w, int h)
-{
-	if (*screen)
-		SDL_FreeSurface (*screen);
-	*screen = Create_Screen (templat, w, h);
-	
-	return *screen == 0 ? -1 : 0;
-}
-
 static int
 AttemptColorDepth (int flags, int width, int height, int bpp)
 {

sc2/src/libs/graphics/sdl/pure.c

@@ -47,30 +47,6 @@ static TFB_GRAPHICS_BACKEND pure_unscaled_backend = {
 	TFB_Pure_ScreenLayer,
 	TFB_Pure_ColorLayer };
 
-static SDL_Surface *
-Create_Screen (SDL_Surface *templat, int w, int h)
-{
-	SDL_Surface *newsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h,
-			templat->format->BitsPerPixel,
-			templat->format->Rmask, templat->format->Gmask,
-			templat->format->Bmask, 0);
-	if (newsurf == 0) {
-		log_add (log_Error, "Couldn't create screen buffers: %s",
-				SDL_GetError());
-	}
-	return newsurf;
-}
-
-static int
-ReInit_Screen (SDL_Surface **screen, SDL_Surface *templat, int w, int h)
-{
-	if (*screen)
-		SDL_FreeSurface (*screen);
-	*screen = Create_Screen (templat, w, h);
-	
-	return *screen == 0 ? -1 : 0;
-}
-
 // We cannot rely on SDL_DisplayFormatAlpha() anymore. It can return
 // formats that we do not expect (SDL v1.2.14 on Mac OSX). Mac likes
 // ARGB surfaces, but SDL_DisplayFormatAlpha thinks that only RGBA are fast.

sc2/src/libs/graphics/sdl/sdl_common.c

@@ -352,3 +352,27 @@ TFB_SetGamma (float gamma)
 {
 	return (SDL_SetGamma (gamma, gamma, gamma) == 0);
 }
+
+SDL_Surface *
+Create_Screen (SDL_Surface *templat, int w, int h)
+{
+	SDL_Surface *newsurf = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h,
+			templat->format->BitsPerPixel,
+			templat->format->Rmask, templat->format->Gmask,
+			templat->format->Bmask, 0);
+	if (newsurf == 0) {
+		log_add (log_Error, "Couldn't create screen buffers: %s",
+				SDL_GetError());
+	}
+	return newsurf;
+}
+
+int
+ReInit_Screen (SDL_Surface **screen, SDL_Surface *templat, int w, int h)
+{
+	if (*screen)
+		SDL_FreeSurface (*screen);
+	*screen = Create_Screen (templat, w, h);
+	
+	return *screen == 0 ? -1 : 0;
+}

sc2/src/libs/graphics/sdl/sdl_common.h

@@ -48,4 +48,7 @@ extern SDL_Surface *format_conv_surf;
 
 SDL_Surface* TFB_DisplayFormatAlpha (SDL_Surface *surface);
 
+SDL_Surface* Create_Screen (SDL_Surface *templat, int w, int h);
+int ReInit_Screen (SDL_Surface **screen, SDL_Surface *templat, int w, int h);
+
 #endif