X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Flibgame%2Fsdl.c;h=480677c31bb117b3f26c07ccca2351f6841a2b42;hb=d0409bd76aa84a8745ec2ea6d8a5480c8bea0bcd;hp=d1bbe6efb28a1364ca4cde856b835c7553180f80;hpb=2f3a28bda17371321ce501789664ebd6c9456cd9;p=rocksndiamonds.git

diff --git a/src/libgame/sdl.c b/src/libgame/sdl.c
index d1bbe6ef..480677c3 100644
--- a/src/libgame/sdl.c
+++ b/src/libgame/sdl.c
@@ -145,10 +145,14 @@ static void UpdateScreen(SDL_Rect *rect)
     SDL_SetRenderTarget(sdl_renderer, NULL);
     SDL_RenderCopy(sdl_renderer, sdl_texture_target, NULL, NULL);
   }
+#endif
 
-  // show render target buffer on screen
-  SDL_RenderPresent(sdl_renderer);
+  // global synchronization point of the game to align video frame delay
+  WaitUntilDelayReached(&video.frame_delay, video.frame_delay_value);
 
+#if defined(TARGET_SDL2)
+ // show render target buffer on screen
+  SDL_RenderPresent(sdl_renderer);
 #else	// TARGET_SDL
   if (rect)
     SDL_UpdateRects(screen, 1, rect);
@@ -742,6 +746,17 @@ void SDLSetWindowScalingQuality(char *window_scaling_quality)
   video.window_scaling_quality = window_scaling_quality;
 }
 
+void SDLSetScreenRenderingMode(char *screen_rendering_mode)
+{
+  video.screen_rendering_mode =
+    (strEqual(screen_rendering_mode, STR_SPECIAL_RENDERING_BITMAP) ?
+     SPECIAL_RENDERING_BITMAP :
+     strEqual(screen_rendering_mode, STR_SPECIAL_RENDERING_TARGET) ?
+     SPECIAL_RENDERING_TARGET:
+     strEqual(screen_rendering_mode, STR_SPECIAL_RENDERING_DOUBLE) ?
+     SPECIAL_RENDERING_DOUBLE : SPECIAL_RENDERING_OFF);
+}
+
 void SDLSetWindowFullscreen(boolean fullscreen)
 {
   if (sdl_window == NULL)
@@ -1158,10 +1173,7 @@ void SDLFadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
 
     while (time_current < time_post_delay)
     {
-      // do not wait longer than 10 ms at a time to be able to ...
-      Delay(MIN(10, time_post_delay - time_current));
-
-      // ... continue drawing global animations during post delay
+      // updating the screen contains waiting for frame delay (non-busy)
       UpdateScreen(NULL);
 
       time_current = SDL_GetTicks();