fixed re-creating window-sized buffers only if window size has changed

[rocksndiamonds.git] / src / libgame / system.c

diff --git a/src/libgame/system.c b/src/libgame/system.c
index a5ebc4f05e2a5fd05e39986a918fb74b05892427..acd36018b2614036196301205967ab4e581f6e5b 100644 (file)
--- a/src/libgame/system.c
+++ b/src/libgame/system.c
@@ -201,22 +201,26 @@ void InitGfxDoor3Info(int ex, int ey, int exsize, int eysize)
 
 void InitGfxWindowInfo(int win_xsize, int win_ysize)
 {
-  gfx.win_xsize = win_xsize;
-  gfx.win_ysize = win_ysize;
-
-  gfx.background_bitmap_mask = REDRAW_NONE;
-
-  ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
+  if (win_xsize != gfx.win_xsize || win_ysize != gfx.win_ysize)
+  {
+    ReCreateBitmap(&gfx.background_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
 
 #if defined(TARGET_SDL2)
-  ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.final_screen_bitmap, win_xsize, win_ysize, DEFAULT_DEPTH);
 #endif
 
-  ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize, DEFAULT_DEPTH);
-  ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize, DEFAULT_DEPTH);
-  ReCreateBitmap(&gfx.fade_bitmap_black,  win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.fade_bitmap_backup, win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.fade_bitmap_source, win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.fade_bitmap_target, win_xsize, win_ysize, DEFAULT_DEPTH);
+    ReCreateBitmap(&gfx.fade_bitmap_black,  win_xsize, win_ysize, DEFAULT_DEPTH);
 
-  ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+    ClearRectangle(gfx.fade_bitmap_black, 0, 0, win_xsize, win_ysize);
+  }
+
+  gfx.win_xsize = win_xsize;
+  gfx.win_ysize = win_ysize;
+
+  gfx.background_bitmap_mask = REDRAW_NONE;
 }
 
 void InitGfxScrollbufferInfo(int scrollbuffer_width, int scrollbuffer_height)
@@ -241,7 +245,7 @@ void InitGfxDrawBusyAnimFunction(void (*draw_busy_anim_function)(void))
   gfx.draw_busy_anim_function = draw_busy_anim_function;
 }
 
-void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int))
+void InitGfxDrawGlobalAnimFunction(void (*draw_global_anim_function)(int, int))
 {
   gfx.draw_global_anim_function = draw_global_anim_function;
 }
@@ -670,7 +674,7 @@ void BlitBitmapTiled(Bitmap *src_bitmap, Bitmap *dst_bitmap,
   }
 }
 
-void FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
+void FadeRectangle(int x, int y, int width, int height,
                   int fade_mode, int fade_delay, int post_delay,
                   void (*draw_border_function)(void))
 {
@@ -678,7 +682,7 @@ void FadeRectangle(Bitmap *bitmap_cross, int x, int y, int width, int height,
   if (!InClippedRectangle(backbuffer, &x, &y, &width, &height, TRUE))
     return;
 
-  SDLFadeRectangle(bitmap_cross, x, y, width, height,
+  SDLFadeRectangle(x, y, width, height,
                   fade_mode, fade_delay, post_delay, draw_border_function);
 }