[gpu.settings] added settings_get_vsync to query as to whether vsync …

…is enabled or not. Also documented the new settings API functions

include/tz/gpu/settings.hpp

@@ -3,6 +3,25 @@
 
 namespace tz::gpu
 {
+	/**
+	 * @ingroup tz_gpu
+	 * @defgroup tz_gpu_settings Settings
+	 * @brief Global settings that affect all passes and graphs. The kind of stuff you'd expect to see in a game's video options.
+	 */
+
+	 /**
+	  * @ingroup tz_gpu_settings
+	  * @brief Query as to whether vsync is enabled.
+	  *
+	  * By default, vsync is disabled.
+	  */
+	bool settings_get_vsync();
+	/**
+	 * @ingroup tz_gpu_settings
+	 * @brief Enable/disable vsync.
+	 *
+	 * By default, vsync is disabled. You should assume that this function will take a significantly long time.
+	 */
 	void settings_set_vsync(bool enabled);
 }
 

src/tz/gpu/rhi_vulkan.cpp

@@ -1685,6 +1685,11 @@ namespace tz::gpu
 		current_frame = (current_frame + 1) % frame_overlap;
 	}
 
+	bool settings_get_vsync()
+	{
+		return settings.vsync_enabled;
+	}
+
 	void settings_set_vsync(bool enabled)
 	{
 		if(settings.vsync_enabled == enabled)