+++ /dev/null
-/*
- * (C) Copyright IBM Corporation 2004
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * on the rights to use, copy, modify, merge, publish, distribute, sub
- * license, and/or sell copies of the Software, and to permit persons to whom
- * the Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/**
- * \file glx_query.c
- * Generic utility functions to query internal data from the server.
- *
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-#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.
- *
- * This is a non-existant protocol packet. It just so happens that all of
- * the real protocol packets used to request a string from the server have
- * an identical binary layout. The only difference between them is the
- * meaning of the \c for_whom field and the value of the \c glxCode.
- */
-typedef struct GLXGenericGetString
-{
- CARD8 reqType;
- CARD8 glxCode;
- CARD16 length B16;
- CARD32 for_whom B32;
- CARD32 name B32;
-} xGLXGenericGetStringReq;
-
-/* These defines are only needed to make the GetReq macro happy.
- */
-#define sz_xGLXGenericGetStringReq 12
-#define X_GLXGenericGetString 0
-
-/**
- * Query the Server GLX string.
- * This routine will allocate the necessay space for the string.
- */
-static char *
-__glXGetStringFromServer(Display * dpy, int opcode, CARD32 glxCode,
- CARD32 for_whom, CARD32 name)
-{
- xGLXGenericGetStringReq *req;
- xGLXSingleReply reply;
- int length;
- int numbytes;
- char *buf;
-
-
- LockDisplay(dpy);
-
-
- /* All of the GLX protocol requests for getting a string from the server
- * look the same. The exact meaning of the for_whom field is usually
- * either the screen number (for glXQueryServerString) or the context tag
- * (for GLXSingle).
- */
-
- GetReq(GLXGenericGetString, req);
- req->reqType = opcode;
- req->glxCode = glxCode;
- req->for_whom = for_whom;
- req->name = name;
-
- _XReply(dpy, (xReply *) & reply, 0, False);
-
- length = reply.length * 4;
- numbytes = reply.size;
-
- buf = (char *) Xmalloc(numbytes);
- if (buf != NULL) {
- _XRead(dpy, buf, numbytes);
- length -= numbytes;
- }
-
- _XEatData(dpy, length);
-
- UnlockDisplay(dpy);
- SyncHandle();
-
- 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 */
projects / mesa.git / blobdiff