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Diffstat (limited to 'src/glx/x11/glx_query.c')
| -rw-r--r-- | src/glx/x11/glx_query.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/src/glx/x11/glx_query.c b/src/glx/x11/glx_query.c deleted file mode 100644 index efad13d376e..00000000000 --- a/src/glx/x11/glx_query.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * (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 <[email protected]> - */ - -#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 */ |