X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=327d20b5be58a33ef9d664a594d4ae13dde4e73d;hb=8b685a52cd9bdf6ad20d1fb6e4c8f8d70c99603e;hp=12b39d865e701d9c2bcc64026247c5f3a6630bd7;hpb=3ff2e8a0b5c27b99a9920bdf5ed82bc41bf40181;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index 12b39d86..327d20b5 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -198,6 +198,9 @@ boolean SDLSetNativeSurface(SDL_Surface **surface)
 
   new_surface = SDL_ConvertSurface(*surface, backbuffer->surface->format, 0);
 
+  if (new_surface == NULL)
+    Error(ERR_EXIT, "SDL_ConvertSurface() failed: %s", SDL_GetError());
+
   SDL_FreeSurface(*surface);
 
   *surface = new_surface;
@@ -207,22 +210,20 @@ boolean SDLSetNativeSurface(SDL_Surface **surface)
 
 SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
 {
-  if (surface == NULL ||
-      backbuffer == NULL ||
-      backbuffer->surface == NULL)
+  SDL_Surface *new_surface;
+
+  if (surface == NULL)
     return NULL;
 
-  return SDL_ConvertSurface(surface, backbuffer->surface->format, 0);
-}
+  if (backbuffer && backbuffer->surface)
+    new_surface = SDL_ConvertSurface(surface, backbuffer->surface->format, 0);
+  else
+    new_surface = SDL_ConvertSurface(surface, surface->format, 0);
 
-SDL_Surface *SDL_DisplayFormat(SDL_Surface *surface)
-{
-  if (surface == NULL ||
-      backbuffer == NULL ||
-      backbuffer->surface == NULL)
-    return NULL;
+  if (new_surface == NULL)
+    Error(ERR_EXIT, "SDL_ConvertSurface() failed: %s", SDL_GetError());
 
-  return SDL_ConvertSurface(surface, backbuffer->surface->format, 0);
+  return new_surface;
 }
 
 #else
@@ -231,7 +232,9 @@ boolean SDLSetNativeSurface(SDL_Surface **surface)
 {
   SDL_Surface *new_surface;
 
-  if (surface == NULL)
+  if (surface == NULL ||
+      *surface == NULL ||
+      !video.initialized)
     return FALSE;
 
   new_surface = SDL_DisplayFormat(*surface);
@@ -248,10 +251,17 @@ boolean SDLSetNativeSurface(SDL_Surface **surface)
 
 SDL_Surface *SDLGetNativeSurface(SDL_Surface *surface)
 {
-  SDL_Surface *new_surface = SDL_DisplayFormat(surface);
+  SDL_Surface *new_surface;
+
+  if (video.initialized)
+    new_surface = SDL_DisplayFormat(surface);
+  else
+    new_surface = SDL_ConvertSurface(surface, surface->format, SURFACE_FLAGS);
 
   if (new_surface == NULL)
-    Error(ERR_EXIT, "SDL_DisplayFormat() failed: %s", SDL_GetError());
+    Error(ERR_EXIT, "%s() failed: %s",
+	  (video.initialized ? "SDL_DisplayFormat" : "SDL_ConvertSurface"),
+	  SDL_GetError());
 
   return new_surface;
 }
@@ -706,9 +716,12 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
   SDLRedrawWindow();			// map window
 #endif
 
+#ifdef DEBUG
+#if defined(PLATFORM_WIN32)
+  // experimental drag and drop code
+
   SDL_EventState(SDL_SYSWMEVENT, SDL_ENABLE);
 
-#if defined(PLATFORM_WIN32)
   {
     SDL_SysWMinfo wminfo;
     HWND hwnd;
@@ -733,6 +746,7 @@ boolean SDLSetVideoMode(DrawBuffer **backbuffer, boolean fullscreen)
       DragAcceptFiles(hwnd, TRUE);
     }
   }
+#endif
 #endif
 
   return success;
@@ -1338,7 +1352,7 @@ Pixel SDLGetPixel(Bitmap *src_bitmap, int x, int y)
 
 /* ========================================================================= */
 /* The following functions were taken from the SGE library                   */
-/* (SDL Graphics Extension Library) by Anders Lindström                      */
+/* (SDL Graphics Extension Library) by Anders Lindström                      */
 /* http://www.etek.chalmers.se/~e8cal1/sge/index.html                        */
 /* ========================================================================= */
 
@@ -2363,7 +2377,10 @@ void SDLNextEvent(Event *event)
 
 void SDLHandleWindowManagerEvent(Event *event)
 {
+#ifdef DEBUG
 #if defined(PLATFORM_WIN32)
+  // experimental drag and drop code
+
   SDL_SysWMEvent *syswmevent = (SDL_SysWMEvent *)event;
   SDL_SysWMmsg *syswmmsg = (SDL_SysWMmsg *)(syswmevent->msg);
 
@@ -2401,6 +2418,7 @@ void SDLHandleWindowManagerEvent(Event *event)
 #endif
   }
 #endif
+#endif
 }