glx: Use __glXSendError instead of open-coding it

This also fixes a bug, the error path through MakeCurrent didn't
translate the error code by the extension's error base.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>

src/glx/glxcmds.c

@@ -392,15 +392,7 @@ glXCreateContext(Display * dpy, XVisualInfo * vis,
       config = glx_config_find_visual(psc->visuals, vis->visualid);
 
    if (config == NULL) {
-      xError error;
-
-      error.errorCode = BadValue;
-      error.resourceID = vis->visualid;
-      error.sequenceNumber = dpy->request;
-      error.type = X_Error;
-      error.majorCode = __glXSetupForCommand(dpy);
-      error.minorCode = X_GLXCreateContext;
-      _XError(dpy, &error);
+      __glXSendError(dpy, BadValue, vis->visualid, X_GLXCreateContext, True);
       return None;
    }
 

src/glx/glxcurrent.c

@@ -36,8 +36,8 @@
 #include <pthread.h>
 
 #include "glxclient.h"
-
 #include "glapi.h"
+#include "glx_error.h"
 
 /*
 ** We setup some dummy structures here so that the API can be used
@@ -165,21 +165,6 @@ glXGetCurrentDrawable(void)
    return gc->currentDrawable;
 }
 
-static void
-__glXGenerateError(Display * dpy, XID resource,
-                   BYTE errorCode, CARD16 minorCode)
-{
-   xError error;
-
-   error.errorCode = errorCode;
-   error.resourceID = resource;
-   error.sequenceNumber = dpy->request;
-   error.type = X_Error;
-   error.majorCode = __glXSetupForCommand(dpy);
-   error.minorCode = minorCode;
-   _XError(dpy, &error);
-}
-
 /**
  * Make a particular context current.
  *
@@ -228,7 +213,8 @@ MakeContextCurrent(Display * dpy, GLXDrawable draw,
       if (gc->vtable->bind(gc, oldGC, draw, read) != Success) {
          __glXSetCurrentContextNull();
          __glXUnlock();
-         __glXGenerateError(dpy, None, GLXBadContext, X_GLXMakeContextCurrent);
+         __glXSendError(dpy, GLXBadContext, None, X_GLXMakeContextCurrent,
+                        False);
          return GL_FALSE;
       }