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+/* $XFree86: xc/programs/Xserver/GL/glx/glxutil.c,v 1.5 2001/03/21 16:29:37 dawes Exp $ */
+/*
+** License Applicability. Except to the extent portions of this file are
+** made subject to an alternative license as permitted in the SGI Free
+** Software License B, Version 1.1 (the "License"), the contents of this
+** file are subject only to the provisions of the License. You may not use
+** this file except in compliance with the License. You may obtain a copy
+** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
+** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
+**
+** http://oss.sgi.com/projects/FreeB
+**
+** Note that, as provided in the License, the Software is distributed on an
+** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
+** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
+** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
+** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
+**
+** Original Code. The Original Code is: OpenGL Sample Implementation,
+** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
+** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
+** Copyright in any portions created by third parties is as indicated
+** elsewhere herein. All Rights Reserved.
+**
+** Additional Notice Provisions: The application programming interfaces
+** established by SGI in conjunction with the Original Code are The
+** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
+** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
+** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
+** Window System(R) (Version 1.3), released October 19, 1998. This software
+** was created using the OpenGL(R) version 1.2.1 Sample Implementation
+** published by SGI, but has not been independently verified as being
+** compliant with the OpenGL(R) version 1.2.1 Specification.
+**
+*/
+
+#define NEED_REPLIES
+#define FONT_PCF
+#include "glxserver.h"
+#include <GL/glxtokens.h>
+#include <pixmapstr.h>
+#include <windowstr.h>
+#include "glxutil.h"
+#include "GL/glx_ansic.h"
+
+/************************************************************************/
+
+void __glXNop(void) {}
+
+/************************************************************************/
+
+/* Memory Allocation for GLX */
+
+void *
+__glXMalloc(size_t size)
+{
+ void *addr;
+
+ if (size == 0) {
+ return NULL;
+ }
+ addr = (void *) xalloc(size);
+ if (addr == NULL) {
+ /* XXX: handle out of memory error */
+ return NULL;
+ }
+ return addr;
+}
+
+void *
+__glXCalloc(size_t numElements, size_t elementSize)
+{
+ void *addr;
+ size_t size;
+
+ if ((numElements == 0) || (elementSize == 0)) {
+ return NULL;
+ }
+ size = numElements * elementSize;
+ addr = (void *) xalloc(size);
+ if (addr == NULL) {
+ /* XXX: handle out of memory error */
+ return NULL;
+ }
+ __glXMemset(addr, 0, size);
+ return addr;
+}
+
+void *
+__glXRealloc(void *addr, size_t newSize)
+{
+ void *newAddr;
+
+ if (addr) {
+ if (newSize == 0) {
+ xfree(addr);
+ return NULL;
+ } else {
+ newAddr = xrealloc(addr, newSize);
+ }
+ } else {
+ if (newSize == 0) {
+ return NULL;
+ } else {
+ newAddr = xalloc(newSize);
+ }
+ }
+ if (newAddr == NULL) {
+ return NULL; /* XXX: out of memory */
+ }
+
+ return newAddr;
+}
+
+void
+__glXFree(void *addr)
+{
+ if (addr) {
+ xfree(addr);
+ }
+}