1 files changed, 52 insertions, 1 deletions
diff --git a/GL/glx/single2swap.c b/GL/glx/single2swap.c
index c8c496871..96db415f9 100644
--- a/GL/glx/single2swap.c
+++ b/GL/glx/single2swap.c
@@ -262,7 +262,58 @@ int __glXDispSwap_Finish(__GLXclientState *cl, GLbyte *pc)
 
 int __glXDispSwap_GetString(__GLXclientState *cl, GLbyte *pc)
 {
-    return DoGetString(cl, pc, GL_TRUE);
+    ClientPtr client;
+    __GLXcontext *cx;
+    GLenum name;
+    const char *string;
+    __GLX_DECLARE_SWAP_VARIABLES;
+    int error;
+    char *buf = NULL, *buf1 = NULL;
+    GLint length = 0;
+
+    __GLX_SWAP_INT(&((xGLXSingleReq *)pc)->contextTag);
+    cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc), &error);
+    if (!cx) {
+	return error;
+    }
+
+    pc += __GLX_SINGLE_HDR_SIZE;
+    __GLX_SWAP_INT(pc + 0);
+    name = *(GLenum *)(pc + 0);
+    string = (const char *)glGetString(name);
+    client = cl->client;
+
+    /*
+    ** Restrict extensions to those that are supported by both the
+    ** implementation and the connection.  That is, return the
+    ** intersection of client, server, and core extension strings.
+    */
+    if (name == GL_EXTENSIONS) {
+	buf1 = __glXcombine_strings(string,
+				      cl->GLClientextensions);
+	buf = __glXcombine_strings(buf1,
+				      cx->pGlxScreen->GLextensions);
+	if (buf1 != NULL) {
+	    __glXFree(buf1);
+	}
+	string = buf;
+    }
+    if (string) {
+	length = __glXStrlen((const char *) string) + 1;
+    }
+
+    __GLX_BEGIN_REPLY(length);
+    __GLX_PUT_SIZE(length);
+
+    __GLX_SWAP_REPLY_SIZE();
+    __GLX_SWAP_REPLY_HEADER();
+    __GLX_SEND_HEADER();
+    WriteToClient(client, length, (char *) string); 
+    if (buf != NULL) {
+	__glXFree(buf);
+    }
+
+    return Success;
 }
 
 int __glXDispSwap_GetClipPlane(__GLXclientState *cl, GLbyte *pc)