cleaned up vid_dga code, removed vid_dga_mouseaccel cvar as it did the

same thing as sensitivity (and was not saved, and defaulted to 1)

git-svn-id: svn://svn.icculus.org/twilight/trunk/darkplaces@7298 d7cf8633-e32d-0410-b094-e92efae38249

diff --git a/vid_glx.c b/vid_glx.c
index caa1f0d4d2580f4429a98640d34034df560f38f4..672a98687edfa97f12f224d03b2f41bce3924710 100644 (file)
--- a/vid_glx.c
+++ b/vid_glx.c
@@ -88,6 +88,7 @@ static qboolean vid_usingmouse = false;
 static qboolean vid_usingvsync = false;
 static qboolean vid_usevsync = false;
 static qboolean vid_x11_hardwaregammasupported = false;
+static qboolean vid_x11_dgasupported = false;
 static int vid_x11_gammarampsize = 0;
 static float   mouse_x, mouse_y;
 static int p_mouse_x, p_mouse_y;
@@ -95,7 +96,6 @@ static int p_mouse_x, p_mouse_y;
 #if !defined(__APPLE__) && !defined(SUNOS)
 // FIXME: vid_dga_mouseaccel is poorly named, it is actually the multiplier for mouse movement, not an acceleration (which would be a power function or something)
 cvar_t vid_dga = {CVAR_SAVE, "vid_dga", "1", "make use of DGA mouse input"};
-cvar_t vid_dga_mouseaccel = {0, "vid_dga_mouseaccel", "1", "speed of mouse when using DGA mouse input"};
 #endif
 
 qboolean vidmode_ext = false;
@@ -266,22 +266,10 @@ static void IN_Activate (qboolean grab)
                        XGrabPointer(vidx11_display, win,  True, 0, GrabModeAsync, GrabModeAsync, win, None, CurrentTime);
 
 #if !defined(__APPLE__) && !defined(SUNOS)
-                       if (vid_dga.integer)
+                       if (vid_dga.integer && vid_x11_dgasupported)
                        {
-                               int MajorVersion, MinorVersion;
-
-                               if (!XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion))
-                               {
-                                       // unable to query, probably not supported
-                                       Con_Print( "Failed to detect XF86DGA Mouse\n" );
-                                       Cvar_SetValueQuick(&vid_dga, 0);
-                                       XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, vid.width / 2, vid.height / 2);
-                               }
-                               else
-                               {
-                                       XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), XF86DGADirectMouse);
-                                       XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
-                               }
+                               XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), XF86DGADirectMouse);
+                               XWarpPointer(vidx11_display, None, win, 0, 0, 0, 0, 0, 0);
                        }
                        else
 #endif
@@ -300,7 +288,7 @@ static void IN_Activate (qboolean grab)
                if (vid_usingmouse)
                {
 #if !defined(__APPLE__) && !defined(SUNOS)
-                       if (vid_dga.integer)
+                       if (vid_x11_dgasupported)
                                XF86DGADirectVideo(vidx11_display, DefaultScreen(vidx11_display), 0);
 #endif
 
@@ -372,10 +360,10 @@ static void HandleEvents(void)
                        if (vid_usingmouse)
                        {
 #if !defined(__APPLE__) && !defined(SUNOS)
-                               if (vid_dga.integer == 1)
+                               if (vid_dga.integer == 1 && vid_x11_dgasupported)
                                {
-                                       mouse_x += event.xmotion.x_root * vid_dga_mouseaccel.value;
-                                       mouse_y += event.xmotion.y_root * vid_dga_mouseaccel.value;
+                                       mouse_x += event.xmotion.x_root;
+                                       mouse_y += event.xmotion.y_root;
                                }
                                else
 #endif
@@ -604,7 +592,6 @@ void VID_Init(void)
 {
 #if !defined(__APPLE__) && !defined(SUNOS)
        Cvar_RegisterVariable (&vid_dga);
-       Cvar_RegisterVariable (&vid_dga_mouseaccel);
 #endif
        InitSig(); // trap evil signals
 // COMMANDLINEOPTION: Input: -nomouse disables mouse support (see also vid_mouse cvar)
@@ -837,6 +824,11 @@ int VID_InitMode(int fullscreen, int width, int height, int bpp, int refreshrate
        vid_hidden = false;
        vid_activewindow = true;
        vid_x11_hardwaregammasupported = XF86VidModeGetGammaRampSize(vidx11_display, vidx11_screen, &vid_x11_gammarampsize) != 0;
+#if !defined(__APPLE__) && !defined(SUNOS)
+       vid_x11_dgasupported = XF86DGAQueryVersion(vidx11_display, &MajorVersion, &MinorVersion);
+       if (!vid_x11_dgasupported)
+               Con_Print( "Failed to detect XF86DGA Mouse extension\n" );
+#endif
        GL_Init();
        return true;
 }