/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/types.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bhyvegc.h"
struct bhyvegc {
struct bhyvegc_image *gc_image;
int raw;
};
struct bhyvegc *
bhyvegc_init(int width, int height, void *fbaddr)
{
struct bhyvegc *gc;
struct bhyvegc_image *gc_image;
gc = calloc(1, sizeof (struct bhyvegc));
gc_image = calloc(1, sizeof(struct bhyvegc_image));
gc_image->width = width;
gc_image->height = height;
if (fbaddr) {
gc_image->data = fbaddr;
gc->raw = 1;
} else {
gc_image->data = calloc(width * height, sizeof (uint32_t));
gc->raw = 0;
}
gc->gc_image = gc_image;
return (gc);
}
void
bhyvegc_set_fbaddr(struct bhyvegc *gc, void *fbaddr)
{
gc->raw = 1;
if (gc->gc_image->data && gc->gc_image->data != fbaddr)
free(gc->gc_image->data);
gc->gc_image->data = fbaddr;
}
void
bhyvegc_resize(struct bhyvegc *gc, int width, int height)
{
struct bhyvegc_image *gc_image;
gc_image = gc->gc_image;
gc_image->width = width;
gc_image->height = height;
if (!gc->raw) {
gc_image->data = reallocarray(gc_image->data, width * height,
sizeof (uint32_t));
if (gc_image->data != NULL)
memset(gc_image->data, 0, width * height *
sizeof (uint32_t));
}
}
struct bhyvegc_image *
bhyvegc_get_image(struct bhyvegc *gc)
{
if (gc == NULL)
return (NULL);
return (gc->gc_image);
}
