static void _graphic_driver_vmode_init(void)
{
if (_vfb_driver.width != _driver.width || _vfb_driver.height != _driver.height)
{
if (_vfb_driver.framebuffer != RT_NULL) rtgui_free((void*)_vfb_driver.framebuffer);
_vfb_driver.device = RT_NULL;
_vfb_driver.pixel_format = RTGUI_VFB_PIXEL_FMT;
_vfb_driver.bits_per_pixel = rtgui_color_get_bits(RTGUI_VFB_PIXEL_FMT);
_vfb_driver.width = _driver.width;
_vfb_driver.height = _driver.height;
_vfb_driver.pitch = _driver.width * _UI_BITBYTES(_vfb_driver.bits_per_pixel);
_vfb_driver.framebuffer = rtgui_malloc(_vfb_driver.height * _vfb_driver.pitch);
_vfb_driver.ext_ops = RT_NULL;
_vfb_driver.ops = rtgui_framebuffer_get_ops(_vfb_driver.pixel_format);
}
}
rt_err_t rtgui_graphic_set_device(rt_device_t device)
{
rt_err_t result;
struct rt_device_graphic_info info;
struct rtgui_graphic_ext_ops *ext_ops;
/* get framebuffer address */
result = rt_device_control(device, RTGRAPHIC_CTRL_GET_INFO, &info);
if (result != RT_EOK)
{
/* get device information failed */
return -RT_ERROR;
}
/* if the first set graphic device */
if (_driver.width == 0 || _driver.height == 0)
{
rtgui_rect_t rect;
rtgui_get_mainwin_rect(&rect);
if (rect.x2 == 0 || rect.y2 == 0)
{
rtgui_rect_init(&rect, 0, 0, info.width, info.height);
/* re-set main-window */
rtgui_set_mainwin_rect(&rect);
}
}
/* initialize framebuffer driver */
_driver.device = device;
_driver.pixel_format = info.pixel_format;
_driver.bits_per_pixel = info.bits_per_pixel;
_driver.width = info.width;
_driver.height = info.height;
_driver.pitch = _driver.width * _UI_BITBYTES(_driver.bits_per_pixel);
_driver.framebuffer = info.framebuffer;
/* get graphic extension operations */
result = rt_device_control(device, RTGRAPHIC_CTRL_GET_EXT, &ext_ops);
if (result == RT_EOK)
{
_driver.ext_ops = ext_ops;
}
if (info.framebuffer != RT_NULL)
{
/* is a frame buffer device */
_driver.ops = rtgui_framebuffer_get_ops(_driver.pixel_format);
}
else
{
/* is a pixel device */
_driver.ops = rtgui_pixel_device_get_ops(_driver.pixel_format);
}
#ifdef RTGUI_USING_HW_CURSOR
/* set default cursor image */
rtgui_cursor_set_image(RTGUI_CURSOR_ARROW);
#endif
#ifdef RTGUI_USING_VFRAMEBUFFER
_graphic_driver_vmode_init();
#endif
return RT_EOK;
}
