X-Git-Url: https://git.artsoft.org/?a=blobdiff_plain;f=src%2Ftools.c;h=d44e2cb48c6f83174133da7f2bc99cf40b704434;hb=ac94403f845928d307f2a7b60e81dfca1fd13cbb;hp=1762651003cd65ab3995e546b484237d09f5f997;hpb=b641818c787e48bbf03ce2a0cd5b542c4c21e523;p=rocksndiamonds.git

diff --git a/src/tools.c b/src/tools.c
index 17626510..d44e2cb4 100644
--- a/src/tools.c
+++ b/src/tools.c
@@ -9243,51 +9243,57 @@ void PlaySoundSelecting(void)
 #endif
 }
 
-void ToggleFullscreenOrChangeWindowScalingIfNeeded(void)
+void ToggleFullscreenIfNeeded(void)
 {
-  boolean change_fullscreen = (setup.fullscreen !=
-			       video.fullscreen_enabled);
-  boolean change_window_scaling_percent = (!video.fullscreen_enabled &&
-					   setup.window_scaling_percent !=
-					   video.window_scaling_percent);
-
-  if (change_window_scaling_percent && video.fullscreen_enabled)
-    return;
+  if (setup.fullscreen != video.fullscreen_enabled &&
+      video.fullscreen_available)
+  {
+    SDLSetWindowFullscreen(setup.fullscreen);
 
-  if (!change_window_scaling_percent && !video.fullscreen_available)
-    return;
+    // set setup value according to successfully changed fullscreen mode
+    setup.fullscreen = video.fullscreen_enabled;
+  }
+}
 
-  if (change_window_scaling_percent)
+void ChangeWindowScalingIfNeeded(void)
+{
+  if (setup.window_scaling_percent != video.window_scaling_percent &&
+      !video.fullscreen_enabled)
   {
     SDLSetWindowScaling(setup.window_scaling_percent);
 
-    return;
+    // set setup value according to successfully changed window scaling
+    setup.window_scaling_percent = video.window_scaling_percent;
   }
-  else if (change_fullscreen)
-  {
-    SDLSetWindowFullscreen(setup.fullscreen);
+}
 
-    // set setup value according to successfully changed fullscreen mode
-    setup.fullscreen = video.fullscreen_enabled;
+void ChangeVsyncModeIfNeeded(void)
+{
+  int setup_vsync_mode = VSYNC_MODE_STR_TO_INT(setup.vsync_mode);
+  int video_vsync_mode = video.vsync_mode;
 
+  // if setup and video vsync mode are already matching, nothing do do
+  if (setup_vsync_mode == video_vsync_mode)
     return;
-  }
 
-  if (change_fullscreen ||
-      change_window_scaling_percent)
+  // if renderer is using OpenGL, vsync mode can directly be changed
+  SDLSetScreenVsyncMode(setup.vsync_mode);
+
+  // if vsync mode unchanged, try re-creating renderer to set vsync mode
+  if (video.vsync_mode == video_vsync_mode)
   {
     Bitmap *tmp_backbuffer = CreateBitmap(WIN_XSIZE, WIN_YSIZE, DEFAULT_DEPTH);
 
-    // save backbuffer content which gets lost when toggling fullscreen mode
+    // save backbuffer content which gets lost when re-creating screen
     BlitBitmap(backbuffer, tmp_backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
 
-    if (change_window_scaling_percent)
-    {
-      // keep window mode, but change window scaling
-      video.fullscreen_enabled = TRUE;		// force new window scaling
-    }
+    // force re-creating screen and renderer to set new vsync mode
+    video.fullscreen_enabled = !setup.fullscreen;
 
-    // toggle fullscreen
+    // when creating new renderer, destroy textures linked to old renderer
+    FreeAllImageTextures();	// needs old renderer to free the textures
+
+    // re-create screen and renderer (including change of vsync mode)
     ChangeVideoModeIfNeeded(setup.fullscreen);
 
     // set setup value according to successfully changed fullscreen mode
@@ -9295,12 +9301,17 @@ void ToggleFullscreenOrChangeWindowScalingIfNeeded(void)
 
     // restore backbuffer content from temporary backbuffer backup bitmap
     BlitBitmap(tmp_backbuffer, backbuffer, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
-
     FreeBitmap(tmp_backbuffer);
 
     // update visible window/screen
     BlitBitmap(backbuffer, window, 0, 0, WIN_XSIZE, WIN_YSIZE, 0, 0);
+
+    // when changing vsync mode, re-create textures for new renderer
+    InitImageTextures();
   }
+
+  // set setup value according to successfully changed vsync mode
+  setup.vsync_mode = VSYNC_MODE_INT_TO_STR(video.vsync_mode);
 }
 
 static void JoinRectangles(int *x, int *y, int *width, int *height,
@@ -9641,6 +9652,6 @@ void ChangeViewportPropertiesIfNeeded(void)
 
   if (init_em_graphics)
   {
-      InitGraphicInfo_EM();
+    InitGraphicInfo_EM();
   }
 }