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 11 struct bhyvegc { 12 struct bhyvegc_image *gc_image; 13 int raw; 14 }; 15 16 struct bhyvegc * 17 bhyvegc_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 40 void 41 bhyvegc_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 49 void 50 bhyvegc_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 65 struct bhyvegc_image * 66 bhyvegc_get_image(struct bhyvegc *gc) 67 { 68 if (gc == NULL) 69 return (NULL); 70 71 return (gc->gc_image); 72 } 73