bhyvegc.c revision 302408 
1#include <sys/cdefs.h>
2
3#include <sys/types.h>
4
5#include <stdlib.h>
6#include <stdio.h>
7#include <string.h>
8
9#include "bhyvegc.h"
10
11struct bhyvegc {
12	struct bhyvegc_image	*gc_image;
13	int raw;
14};
15
16struct bhyvegc *
17bhyvegc_init(int width, int height, void *fbaddr)
18{
19	struct bhyvegc *gc;
20	struct bhyvegc_image *gc_image;
21
22	gc = calloc(1, sizeof (struct bhyvegc));
23
24	gc_image = calloc(1, sizeof(struct bhyvegc_image));
25	gc_image->width = width;
26	gc_image->height = height;
27	if (fbaddr) {
28		gc_image->data = fbaddr;
29		gc->raw = 1;
30	} else {
31		gc_image->data = calloc(width * height, sizeof (uint32_t));
32		gc->raw = 0;
33	}
34
35	gc->gc_image = gc_image;
36
37	return (gc);
38}
39
40void
41bhyvegc_set_fbaddr(struct bhyvegc *gc, void *fbaddr)
42{
43	gc->raw = 1;
44	if (gc->gc_image->data && gc->gc_image->data != fbaddr)
45		free(gc->gc_image->data);
46	gc->gc_image->data = fbaddr;
47}
48
49void
50bhyvegc_resize(struct bhyvegc *gc, int width, int height)
51{
52	struct bhyvegc_image *gc_image;
53
54	gc_image = gc->gc_image;
55
56	gc_image->width = width;
57	gc_image->height = height;
58	if (!gc->raw) {
59		gc_image->data = realloc(gc_image->data,
60		    sizeof (uint32_t) * width * height);
61		memset(gc_image->data, 0, width * height * sizeof (uint32_t));
62	}
63}
64
65struct bhyvegc_image *
66bhyvegc_get_image(struct bhyvegc *gc)
67{
68	if (gc == NULL)
69		return (NULL);
70
71	return (gc->gc_image);
72}
73