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#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);
}
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