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/* $Id: imports.c,v 1.4 2001/01/08 04:09:41 keithw Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.5
*
* Copyright (C) 1999-2000 Brian Paul 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
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL 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.
*/
/*
* Imports are functions which the device driver or window system or
* operating system provides to the core renderer. The core renderer (Mesa)
* will call these functions in order to do memory allocation, simple I/O,
* etc.
*
* Some drivers will need to implement these functions themselves but
* many (most?) Mesa drivers will be fine using these.
*
* A server-side GL renderer will likely not use these functions since
* the renderer should use the XFree86-wrapped system calls.
*/
#include "glheader.h"
#include "imports.h"
#include "mem.h"
#include "mtypes.h"
static void *
_mesa_Malloc(__GLcontext *gc, size_t size)
{
return MALLOC(size);
}
static void *
_mesa_Calloc(__GLcontext *gc, size_t numElem, size_t elemSize)
{
return CALLOC(numElem * elemSize);
}
static void *
_mesa_Realloc(__GLcontext *gc, void *oldAddr, size_t newSize)
{
return realloc(oldAddr, newSize);
}
static void
_mesa_Free(__GLcontext *gc, void *addr)
{
FREE(addr);
}
static void
_mesa_warning(__GLcontext *gc, char *str)
{
GLboolean debug;
#ifdef DEBUG
debug = GL_TRUE;
#else
/* Whacko XFree86 macro:
*/
#ifdef getenv
#undef getenv
#endif
if (gc->imports.getenv(gc, "MESA_DEBUG")) {
debug = GL_TRUE;
}
else {
debug = GL_FALSE;
}
#endif
if (debug) {
fprintf(stderr, "Mesa warning: %s\n", str);
}
}
static void
_mesa_fatal(__GLcontext *gc, char *str)
{
fprintf(stderr, "%s\n", str);
abort();
}
static char *
_mesa_getenv(__GLcontext *gc, const char *var)
{
(void) gc;
return gc->imports.getenv(gc, var);
}
static int
_mesa_atoi(__GLcontext *gc, const char *str)
{
(void) gc;
return atoi(str);
}
static int
_mesa_sprintf(__GLcontext *gc, char *str, const char *fmt, ...)
{
/* XXX fix this */
return sprintf(str, fmt);
}
static void *
_mesa_fopen(__GLcontext *gc, const char *path, const char *mode)
{
return fopen(path, mode);
}
static int
_mesa_fclose(__GLcontext *gc, void *stream)
{
return fclose(stream);
}
static int
_mesa_fprintf(__GLcontext *gc, void *stream, const char *fmt, ...)
{
/* XXX fix this */
return fprintf(stream, fmt);
}
/* XXX this really is driver-specific and can't be here */
static __GLdrawablePrivate *
_mesa_GetDrawablePrivate(__GLcontext *gc)
{
return NULL;
}
void
_mesa_InitDefaultImports(__GLimports *imports, void *driverCtx, void *other)
{
imports->malloc = _mesa_Malloc;
imports->calloc = _mesa_Calloc;
imports->realloc = _mesa_Realloc;
imports->free = _mesa_Free;
imports->warning = _mesa_warning;
imports->fatal = _mesa_fatal;
imports->getenv = _mesa_getenv;
/* imports->atoi = _mesa_atoi; */
imports->sprintf = _mesa_sprintf;
imports->fopen = _mesa_fopen;
imports->fclose = _mesa_fclose;
imports->fprintf = _mesa_fprintf;
imports->getDrawablePrivate = _mesa_GetDrawablePrivate;
/* imports->wscx = driverCtx; */
imports->other = driverCtx;
}
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