diff options
Diffstat (limited to 'xorg-server/hw/dmx/glxProxy/glxutil.c')
-rw-r--r-- | xorg-server/hw/dmx/glxProxy/glxutil.c | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/xorg-server/hw/dmx/glxProxy/glxutil.c b/xorg-server/hw/dmx/glxProxy/glxutil.c new file mode 100644 index 000000000..f30b05fb1 --- /dev/null +++ b/xorg-server/hw/dmx/glxProxy/glxutil.c @@ -0,0 +1,119 @@ +/* +** 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" + +/************************************************************************/ + +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; + } + memset(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); + } +} |