glximports.c 4.57 KB
Newer Older
1
/* $XFree86: xc/programs/Xserver/GL/glx/glximports.c,v 1.5 2001/03/21 16:29:36 dawes Exp $ */
Kaleb Keithley Keithley's avatar
Kaleb Keithley Keithley committed
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169
/*
** 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.
**
*/

#include "glxserver.h"
#include "glxcontext.h"
#include "glximports.h"
#include "GL/glx_ansic.h"

void *__glXImpMalloc(__GLcontext *gc, size_t size)
{
    void *addr;

    if (size == 0) {
	return NULL;
    }
    addr = xalloc(size);
    if (addr == NULL) {
	/* XXX: handle out of memory error */
	return NULL;
    }
    return addr;
}

void *__glXImpCalloc(__GLcontext *gc, size_t numElements, size_t elementSize)
{
    void *addr;
    size_t size;

    if ((numElements == 0) || (elementSize == 0)) {
	return NULL;
    }
    size = numElements * elementSize;
    addr = xalloc(size);
    if (addr == NULL) {
	/* XXX: handle out of memory error */
	return NULL;
    }
    /* zero out memory */
    __glXMemset(addr, 0, size);

    return addr;
}

void __glXImpFree(__GLcontext *gc, void *addr)
{
    if (addr) {
	xfree(addr);
    }
}

void *__glXImpRealloc(__GLcontext *gc, void *addr, size_t newSize)
{
    void *newAddr;

    if (addr) {
	if (newSize == 0) {
	    xfree(addr);
	    return NULL;
	}
	newAddr = xrealloc(addr, newSize);
    } else {
	if (newSize == 0) {
	    return NULL;
	}
	newAddr = xalloc(newSize);
    }
    if (newAddr == NULL) {
	return NULL;	/* XXX: out of memory error */
    }

    return newAddr;
}

void __glXImpWarning(__GLcontext *gc, char *msg)
{
    ErrorF((char *)msg);
}

void __glXImpFatal(__GLcontext *gc, char *msg)
{
    ErrorF((char *)msg);
    __glXAbort();
}

char *__glXImpGetenv(__GLcontext *gc, const char *var)
{
    return __glXGetenv(var);
}

int __glXImpAtoi(__GLcontext *gc, const char *str)
{
    return __glXAtoi(str);
}

int __glXImpSprintf(__GLcontext *gc, char *str, const char *fmt, ...)
{
    va_list ap;
    int ret;

    /* have to deal with var args */
    va_start(ap, fmt);
    ret = __glXVsprintf(str, fmt, ap);
    va_end(ap);

    return ret;
}

void *__glXImpFopen(__GLcontext *gc, const char *path, const char *mode)
{
    return (void *) __glXFopen(path, mode);
}

int __glXImpFclose(__GLcontext *gc, void *stream)
{
    return __glXFclose((FILE *)stream);
}

int __glXImpFprintf(__GLcontext *gc, void *stream, const char *fmt, ...)
{
    va_list ap;
    int ret;

    /* have to deal with var args */
    va_start(ap, fmt);
    ret = __glXVfprintf((FILE *)stream, fmt, ap);
    va_end(ap);

    return ret;
}


__GLdrawablePrivate *__glXImpGetDrawablePrivate(__GLcontext *gc)
{
    __GLinterface *glci = (__GLinterface *) gc;
    __GLXcontext *glrc = (__GLXcontext *) glci->imports.other;

170 171 172 173 174 175 176 177 178 179
    return &glrc->drawPriv->glPriv;
}


__GLdrawablePrivate *__glXImpGetReadablePrivate(__GLcontext *gc)
{
    __GLinterface *glci = (__GLinterface *) gc;
    __GLXcontext *glrc = (__GLXcontext *) glci->imports.other;

    return &glrc->readPriv->glPriv;
Kaleb Keithley Keithley's avatar
Kaleb Keithley Keithley committed
180
}