glx: Remove a few lingering traces of __GLXscreen.GLXVersion

The GLXversion member of the __GLXscreen struct
is just cruft since commit ad5c0d9,
when we started returning the minimum GLX version supported by all
of the screens on the display, rather than the maximum version supported
by the server.

Reviewed-by: Jeremy Huddleston <[email protected]>
Signed-off-by: Jon TURNEY <[email protected]>

Author: jon-turney

glx/glxscreens.h

@@ -142,7 +142,6 @@ struct __GLXscreen {
     char *GLextensions;
 
     char *GLXvendor;
-    char *GLXversion;
     char *GLXextensions;
 
     /**

hw/dmx/glxProxy/glxscreens.h

@@ -43,7 +43,6 @@ typedef struct {
     GLint *isGLXvis;
 
     char *GLXvendor;
-    char *GLXversion;
     char *GLXextensions;
 
 } __GLXscreenInfo;

hw/xquartz/GL/indirect.c

@@ -477,7 +477,8 @@ static __GLXscreen * __glXAquaScreenProbe(ScreenPtr pScreen) {
 
     __glXScreenInit(&screen->base, pScreen);
 
-    screen->base.GLXversion = strdup("1.4");
+    screen->base.GLXmajor = 1;
+    screen->base.GLXminor = 4;
     screen->base.GLXextensions = strdup("GLX_SGIX_fbconfig "
                                         "GLX_SGIS_multisample "
                                         "GLX_ARB_multisample "

hw/xwin/glx/indirect.c

@@ -735,30 +735,26 @@ glxWinScreenProbe(ScreenPtr pScreen)
 
       //
       // Override the GLX version (__glXScreenInit() sets it to "1.2")
-      // if we have all the needed extensionsto operate as a higher version
+      // if we have all the needed extensions to operate as a higher version
       //
       // SGIX_fbconfig && SGIX_pbuffer && SGI_make_current_read -> 1.3
       // ARB_multisample -> 1.4
       //
       if (screen->has_WGL_ARB_pbuffer && glx_sgi_make_current_read)
         {
-          free(screen->base.GLXversion);
-
           if (screen->has_WGL_ARB_multisample)
             {
-              screen->base.GLXversion = strdup("1.4");
               screen->base.GLXmajor = 1;
               screen->base.GLXminor = 4;
             }
           else
             {
-              screen->base.GLXversion = strdup("1.3");
               screen->base.GLXmajor = 1;
               screen->base.GLXminor = 3;
             }
-          LogMessage(X_INFO, "AIGLX: Set GLX version to %s\n", screen->base.GLXversion);
         }
     }
+    LogMessage(X_INFO, "AIGLX: Set GLX version to %d.%d\n", screen->base.GLXmajor, screen->base.GLXminor);
 
     wglMakeCurrent(NULL, NULL);
     wglDeleteContext(hglrc);