-/* -*- mode: c; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 3; coding: utf-8-unix -*- */
/*
* (C) Copyright IBM Corporation 2004
* All Rights Reserved.
#include "glxclient.h"
+#if defined(USE_XCB)
+# include <X11/Xlib-xcb.h>
+# include <xcb/xcb.h>
+# include <xcb/glx.h>
+#endif
+
+#ifdef USE_XCB
+
+/**
+ * Exchange a protocol request for glXQueryServerString.
+ */
+char *
+__glXQueryServerString(Display* dpy,
+ int opcode,
+ CARD32 screen,
+ CARD32 name)
+{
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+ xcb_glx_query_server_string_reply_t* reply =
+ xcb_glx_query_server_string_reply(c,
+ xcb_glx_query_server_string(c,
+ screen,
+ name),
+ NULL);
+
+ /* The spec doesn't mention this, but the Xorg server replies with
+ * a string already terminated with '\0'. */
+ uint32_t len = xcb_glx_query_server_string_string_length(reply);
+ char* buf = Xmalloc(len);
+ memcpy(buf, xcb_glx_query_server_string_string(reply), len);
+ free(reply);
+
+ return buf;
+}
+
+/**
+ * Exchange a protocol request for glGetString.
+ */
+char *
+__glXGetString(Display* dpy,
+ int opcode,
+ CARD32 contextTag,
+ CARD32 name)
+{
+ xcb_connection_t *c = XGetXCBConnection(dpy);
+ xcb_glx_get_string_reply_t* reply =
+ xcb_glx_get_string_reply(c,
+ xcb_glx_get_string(c,
+ contextTag,
+ name),
+ NULL);
+
+ /* The spec doesn't mention this, but the Xorg server replies with
+ * a string already terminated with '\0'. */
+ uint32_t len = xcb_glx_get_string_string_length(reply);
+ char* buf = Xmalloc(len);
+ memcpy(buf, xcb_glx_get_string_string(reply), len);
+ free(reply);
+
+ return buf;
+}
+
+#else
+
/**
* GLX protocol structure for the ficticious "GXLGenericGetString" request.
*
* Query the Server GLX string.
* This routine will allocate the necessay space for the string.
*/
-char *
+static char *
__glXGetStringFromServer(Display * dpy, int opcode, CARD32 glxCode,
CARD32 for_whom, CARD32 name)
{
return buf;
}
+
+char *
+__glXQueryServerString(Display* dpy,
+ int opcode,
+ CARD32 screen,
+ CARD32 name)
+{
+ return __glXGetStringFromServer(dpy, opcode,
+ X_GLXQueryServerString,
+ screen, name);
+}
+
+char *
+__glXGetString(Display* dpy,
+ int opcode,
+ CARD32 contextTag,
+ CARD32 name)
+{
+ return __glXGetStringFromServer(dpy, opcode, X_GLsop_GetString,
+ contextTag, name);
+}
+
+#endif /* USE_XCB */
+