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#![allow(dead_code)]
use prelude::*;
use std::ptr;
use std::mem;
use vk;
use std::ffi::CStr;
use ::RawPtr;
use version::{EntryV1_0, InstanceV1_0};
#[derive(Clone)]
pub struct Surface {
handle: vk::Instance,
surface_fn: vk::SurfaceFn,
}
impl Surface {
pub fn new<E: EntryV1_0, I: InstanceV1_0>(entry: &E,
instance: &I)
-> Result<Surface, Vec<&'static str>> {
let surface_fn = vk::SurfaceFn::load(|name| {
unsafe {
mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
}
})?;
Ok(Surface {
handle: instance.handle(),
surface_fn: surface_fn,
})
}
pub fn name() -> &'static CStr {
CStr::from_bytes_with_nul(b"VK_KHR_surface\0").expect("Wrong extension string")
}
pub fn get_physical_device_surface_support_khr(&self,
physical_device: vk::PhysicalDevice,
queue_index: vk::uint32_t,
surface: vk::SurfaceKHR)
-> bool {
unsafe {
let mut b = mem::uninitialized();
self.surface_fn
.get_physical_device_surface_support_khr(physical_device,
queue_index,
surface,
&mut b);
b > 0
}
}
pub fn get_physical_device_surface_present_modes_khr(&self,
physical_device: vk::PhysicalDevice,
surface: vk::SurfaceKHR)
-> VkResult<Vec<vk::PresentModeKHR>> {
unsafe {
let mut count = 0;
self.surface_fn.get_physical_device_surface_present_modes_khr(physical_device,
surface,
&mut count,
ptr::null_mut());
let mut v = Vec::with_capacity(count as usize);
let err_code = self.surface_fn
.get_physical_device_surface_present_modes_khr(physical_device,
surface,
&mut count,
v.as_mut_ptr());
v.set_len(count as usize);
match err_code {
vk::Result::Success => Ok(v),
_ => Err(err_code),
}
}
}
pub fn get_physical_device_surface_capabilities_khr(&self,
physical_device: vk::PhysicalDevice,
surface: vk::SurfaceKHR)
-> VkResult<vk::SurfaceCapabilitiesKHR> {
unsafe {
let mut surface_capabilities = mem::uninitialized();
let err_code = self.surface_fn
.get_physical_device_surface_capabilities_khr(physical_device,
surface,
&mut surface_capabilities);
match err_code {
vk::Result::Success => Ok(surface_capabilities),
_ => Err(err_code),
}
}
}
pub fn get_physical_device_surface_formats_khr(&self,
physical_device: vk::PhysicalDevice,
surface: vk::SurfaceKHR)
-> VkResult<Vec<vk::SurfaceFormatKHR>> {
unsafe {
let mut count = 0;
self.surface_fn.get_physical_device_surface_formats_khr(physical_device,
surface,
&mut count,
ptr::null_mut());
let mut v = Vec::with_capacity(count as usize);
let err_code = self.surface_fn
.get_physical_device_surface_formats_khr(physical_device,
surface,
&mut count,
v.as_mut_ptr());
v.set_len(count as usize);
match err_code {
vk::Result::Success => Ok(v),
_ => Err(err_code),
}
}
}
pub unsafe fn destroy_surface_khr(&self,
surface: vk::SurfaceKHR,
allocation_callbacks: Option<&vk::AllocationCallbacks>) {
self.surface_fn
.destroy_surface_khr(self.handle, surface, allocation_callbacks.as_raw_ptr());
}
}