status_t device_ioctl(void* cookie, uint32 msg, void* buf, size_t len)
{
TRACE("device_ioctl\n");
DeviceInfo* dev = (DeviceInfo*)cookie;
switch (msg) {
case B_GET_ACCELERANT_SIGNATURE:
strcpy((char*)buf, "vboxvideo.accelerant");
return B_OK;
case VBOXVIDEO_GET_PRIVATE_DATA:
return user_memcpy(buf, &dev->sharedArea, sizeof(area_id));
case VBOXVIDEO_GET_DEVICE_NAME:
if (user_strlcpy((char*)buf, gDeviceInfo.name, len) < B_OK)
return B_BAD_ADDRESS;
else
return B_OK;
case VBOXVIDEO_SET_DISPLAY_MODE: {
display_mode* mode = (display_mode*)buf;
VBoxVideoSetModeRegisters(mode->timing.h_display, mode->timing.v_display,
mode->timing.h_display, get_depth_for_color_space(mode->space), 0, 0, 0);
gDeviceInfo.sharedInfo->currentMode = *mode;
return B_OK;
}
default:
return B_BAD_VALUE;
}
}
status_t VBoxDisplayService::_ServiceThread()
{
LogFlow(("VBoxDisplayService::_ServiceThread"));
VbglR3CtlFilterMask(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 0);
VbglR3SetGuestCaps(VMMDEV_GUEST_SUPPORTS_GRAPHICS, 0);
for (;;)
{
uint32_t events;
int rc = VbglR3WaitEvent(VMMDEV_EVENT_DISPLAY_CHANGE_REQUEST, 5000, &events);
if (rc == -6) // timed out?
continue;
if (RT_SUCCESS(rc))
{
uint32_t cx, cy, cBits, iDisplay;
int rc2 = VbglR3GetDisplayChangeRequest(&cx, &cy, &cBits, &iDisplay, true);
LogFlow(("rc2=%d screen %d size changed (%d, %d, %d)\n", rc2, iDisplay, cx, cy, cBits));
if (RT_SUCCESS(rc2))
{
display_mode mode;
fScreen.GetMode(&mode);
if (cBits == 0)
cBits = get_depth_for_color_space(mode.space);
mode.timing.h_display = cx;
mode.timing.v_display = cy;
mode.space = get_color_space_for_depth(cBits);
mode.virtual_width = cx;
mode.virtual_height = cy;
/*= {
{0, cx, 0, 0, cBits * cx / 8, cy, 0, 0, cBits * cy / 8, 0},
get_color_space_for_depth(cBits),
cx, cy, 0, 0, 0
};*/
fScreen.SetMode(&mode, false);
}
}
else
fExiting = true;
LogFlow(("processed host event rc = %d\n", rc));
if (fExiting)
break;
}
return 0;
}
