added support for (normal and adaptive) vertical sync (vsync)

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

diff --git a/src/libgame/system.h b/src/libgame/system.h
index a8cf2a25e800389504d6adb159ea7acbfe853754..464cb761ca340f53b76663526b644f19cda65092 100644 (file)
--- a/src/libgame/system.h
+++ b/src/libgame/system.h
@@ -82,6 +82,19 @@
 #define SPECIAL_RENDERING_DEFAULT      SPECIAL_RENDERING_BITMAP
 #endif
 
+/* values for vertical screen retrace synchronization (vsync) */
+#define STR_VSYNC_MODE_OFF             "off"
+#define STR_VSYNC_MODE_NORMAL          "normal"
+#define STR_VSYNC_MODE_ADAPTIVE                "adaptive"
+
+#define STR_VSYNC_MODE_DEFAULT         STR_VSYNC_MODE_OFF
+
+#define VSYNC_MODE_OFF                 0
+#define VSYNC_MODE_NORMAL              1
+#define VSYNC_MODE_ADAPTIVE            -1
+
+#define VSYNC_MODE_DEFAULT             VSYNC_MODE_OFF
+
 /* values for touch control */
 #define TOUCH_CONTROL_OFF              "off"
 #define TOUCH_CONTROL_VIRTUAL_BUTTONS  "virtual_buttons"
@@ -919,6 +932,7 @@ struct VideoSystemInfo
   int window_scaling_percent;
   char *window_scaling_quality;
   int screen_rendering_mode;
+  int vsync_mode;
 
   unsigned int frame_delay;
   unsigned int frame_delay_value;
@@ -1265,6 +1279,7 @@ struct SetupInfo
   int window_scaling_percent;
   char *window_scaling_quality;
   char *screen_rendering_mode;
+  char *vsync_mode;
   boolean ask_on_escape;
   boolean ask_on_escape_editor;
   boolean quick_switch;