880f26f3eb
Also add __FBSDID. Reviewed by: grehan This file lacks a license(!) so for this change the following declaration applies: To the greatest extent permitted by, but not in contravention of, applicable law, Affirmer hereby overtly, fully, permanently, irrevocably and unconditionally waives, abandons, and surrenders all of Affirmer's Copyright and Related Rights and associated claims and causes of action, whether now known or unknown (including existing as well as future claims and causes of action).
76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "bhyvegc.h"
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struct bhyvegc {
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struct bhyvegc_image *gc_image;
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int raw;
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};
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struct bhyvegc *
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bhyvegc_init(int width, int height, void *fbaddr)
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{
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struct bhyvegc *gc;
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struct bhyvegc_image *gc_image;
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gc = calloc(1, sizeof (struct bhyvegc));
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gc_image = calloc(1, sizeof(struct bhyvegc_image));
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gc_image->width = width;
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gc_image->height = height;
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if (fbaddr) {
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gc_image->data = fbaddr;
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gc->raw = 1;
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} else {
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gc_image->data = calloc(width * height, sizeof (uint32_t));
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gc->raw = 0;
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}
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gc->gc_image = gc_image;
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return (gc);
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}
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void
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bhyvegc_set_fbaddr(struct bhyvegc *gc, void *fbaddr)
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{
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gc->raw = 1;
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if (gc->gc_image->data && gc->gc_image->data != fbaddr)
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free(gc->gc_image->data);
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gc->gc_image->data = fbaddr;
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}
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void
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bhyvegc_resize(struct bhyvegc *gc, int width, int height)
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{
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struct bhyvegc_image *gc_image;
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gc_image = gc->gc_image;
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gc_image->width = width;
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gc_image->height = height;
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if (!gc->raw) {
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gc_image->data = reallocarray(gc_image->data, width * height,
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sizeof (uint32_t));
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if (gc_image->data != NULL)
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memset(gc_image->data, 0, width * height *
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sizeof (uint32_t));
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}
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}
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struct bhyvegc_image *
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bhyvegc_get_image(struct bhyvegc *gc)
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{
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if (gc == NULL)
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return (NULL);
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return (gc->gc_image);
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}
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