gfx_context_t * init_graphics_window(window_t * window) {
gfx_context_t * out = malloc(sizeof(gfx_context_t));
out->width = window->width;
out->height = window->height;
out->depth = 32;
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
out->buffer = window->buffer;
out->backbuffer = out->buffer;
return out;
}
gfx_context_t * init_graphics_sprite(sprite_t * sprite) {
gfx_context_t * out = malloc(sizeof(gfx_context_t));
out->width = sprite->width;
out->height = sprite->height;
out->depth = 32;
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
out->buffer = (char *)sprite->bitmap;
out->backbuffer = out->buffer;
return out;
}
void reinit_graphics_window(gfx_context_t * out, window_t * window) {
out->width = window->width;
out->height = window->height;
out->depth = 32;
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
if (out->buffer == out->backbuffer) {
out->buffer = window->buffer;
out->backbuffer = out->buffer;
} else {
out->buffer = window->buffer;
out->backbuffer = realloc(out->backbuffer, sizeof(uint32_t) * GFX_W(out) * GFX_H(out));
}
}
void reinit_graphics_fullscreen(gfx_context_t * out) {
ioctl(framebuffer_fd, IO_VID_WIDTH, &out->width);
ioctl(framebuffer_fd, IO_VID_HEIGHT, &out->height);
ioctl(framebuffer_fd, IO_VID_DEPTH, &out->depth);
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
if (out->buffer != out->backbuffer) {
ioctl(framebuffer_fd, IO_VID_ADDR, &out->buffer);
out->backbuffer = realloc(out->backbuffer, sizeof(uint32_t) * GFX_W(out) * GFX_H(out));
} else {
ioctl(framebuffer_fd, IO_VID_ADDR, &out->buffer);
out->backbuffer = out->buffer;
}
}
/* Deprecated */
gfx_context_t * init_graphics_fullscreen() {
gfx_context_t * out = malloc(sizeof(gfx_context_t));
int fd = open("/dev/fb0", O_RDONLY);
if (fd < 0) {
/* oh shit */
return NULL;
}
ioctl(fd, IO_VID_WIDTH, &out->width);
ioctl(fd, IO_VID_HEIGHT, &out->height);
ioctl(fd, IO_VID_DEPTH, &out->depth);
ioctl(fd, IO_VID_ADDR, &out->buffer);
out->size = GFX_H(out) * GFX_W(out) * GFX_B(out);
out->backbuffer = out->buffer;
return out;
}
