changed lhrandom to use the full RAND_MAX limit (more random, after all the low bits...

[xonotic/darkplaces.git] / vid_glx.c

diff --git a/vid_glx.c b/vid_glx.c
index 7e670a13c3d2068c8529a0043c415784dc505e45..a96e3f9f7faf0e4327336a1970987387e8f6aae9 100644 (file)
--- a/vid_glx.c
+++ b/vid_glx.c
@@ -89,7 +89,7 @@ Atom wm_delete_window_atom;
 
 
 static qboolean                mouse_avail = true;
-static qboolean                mouse_active = false, usingmouse = false;
+static qboolean                mouse_active = false, usingmouse = false, ignoremousemove = false;
 static float   mouse_x, mouse_y;
 static int p_mouse_x, p_mouse_y;
 
@@ -285,6 +285,7 @@ static void install_grabs(void)
 
        mouse_active = true;
        mouse_x = mouse_y = 0;
+       ignoremousemove = true;
 }
 
 static void uninstall_grabs(void)
@@ -304,6 +305,7 @@ static void uninstall_grabs(void)
        XUndefineCursor(vidx11_display, win);
 
        mouse_active = false;
+       ignoremousemove = true;
 }
 
 static void HandleEvents(void)
@@ -513,6 +515,13 @@ static void HandleEvents(void)
                XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, p_mouse_x, p_mouse_y);
        }
 
+       // if told to ignore one mouse move, do so
+       if (ignoremousemove)
+       {
+               ignoremousemove = false;
+               mouse_x = 0;
+               mouse_y = 0;
+       }
 }
 
 static void IN_DeactivateMouse( void )
@@ -534,7 +543,6 @@ static void IN_ActivateMouse( void )
 
        if (!mouse_active)
        {
-               mouse_x = mouse_y = 0; // don't spazz
                install_grabs();
                mouse_active = true;
        }
@@ -653,6 +661,7 @@ void VID_Init(void)
        Cvar_RegisterVariable (&vid_dga_mouseaccel);
 #endif
        InitSig(); // trap evil signals
+// COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
        if (COM_CheckParm ("-nomouse") || COM_CheckParm("-safe"))
                mouse_avail = false;
 }
@@ -690,6 +699,9 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
 #else
        drivername = "libGL.so.1";
 #endif
+// COMMANDLINEOPTION: Linux GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
+// COMMANDLINEOPTION: BSD GLX: -gl_driver <drivername> selects a GL driver library, default is libGL.so.1, useful only for using fxmesa or similar, if you don't know what this is for, you don't need it
+// LordHavoc: although this works on MacOSX, it's useless there (as there is only one system libGL)
        i = COM_CheckParm("-gl_driver");
        if (i && i < com_argc - 1)
                drivername = com_argv[i + 1];
@@ -844,10 +856,19 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp)
        gl_platform = "GLX";
        gl_platformextensions = qglXQueryExtensionsString(vidx11_display, vidx11_screen);
 
+       gl_videosyncavailable = false;
+
+// COMMANDLINEOPTION: Linux GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
+// COMMANDLINEOPTION: BSD GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
+// COMMANDLINEOPTION: MacOSX GLX: -nogetprocaddress disables GLX_ARB_get_proc_address (not required, more formal method of getting extension functions)
        GL_CheckExtension("GLX_ARB_get_proc_address", getprocaddressfuncs, "-nogetprocaddress", false);
+// COMMANDLINEOPTION: Linux GLX: -novideosync disables GLX_SGI_video_sync
+// COMMANDLINEOPTION: BSD GLX: -novideosync disables GLX_SGI_video_sync
+// COMMANDLINEOPTION: MacOSX GLX: -novideosync disables GLX_SGI_video_sync
        gl_videosyncavailable = GL_CheckExtension("GLX_SGI_video_sync", videosyncfuncs, "-novideosync", false);
 
        usingmouse = false;
+       ignoremousemove = true;
        vid_hidden = false;
        vid_activewindow = true;
        GL_Init();