2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
32 #include <sys/types.h>
41 struct bhyvegc_image *gc_image;
46 bhyvegc_init(int width, int height, void *fbaddr)
49 struct bhyvegc_image *gc_image;
51 gc = calloc(1, sizeof (struct bhyvegc));
53 gc_image = calloc(1, sizeof(struct bhyvegc_image));
54 gc_image->width = width;
55 gc_image->height = height;
57 gc_image->data = fbaddr;
60 gc_image->data = calloc(width * height, sizeof (uint32_t));
64 gc->gc_image = gc_image;
70 bhyvegc_set_fbaddr(struct bhyvegc *gc, void *fbaddr)
73 if (gc->gc_image->data && gc->gc_image->data != fbaddr)
74 free(gc->gc_image->data);
75 gc->gc_image->data = fbaddr;
79 bhyvegc_resize(struct bhyvegc *gc, int width, int height)
81 struct bhyvegc_image *gc_image;
83 gc_image = gc->gc_image;
85 gc_image->width = width;
86 gc_image->height = height;
88 gc_image->data = reallocarray(gc_image->data, width * height,
90 if (gc_image->data != NULL)
91 memset(gc_image->data, 0, width * height *
96 struct bhyvegc_image *
97 bhyvegc_get_image(struct bhyvegc *gc)
102 return (gc->gc_image);