use crate::prelude::*;
use crate::vk;
use crate::{Entry, Instance};
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct GetSurfaceCapabilities2 {
fp: vk::KhrGetSurfaceCapabilities2Fn,
}
impl GetSurfaceCapabilities2 {
pub fn new(entry: &Entry, instance: &Instance) -> Self {
let fp = vk::KhrGetSurfaceCapabilities2Fn::load(|name| unsafe {
mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
});
Self { fp }
}
#[inline]
pub unsafe fn get_physical_device_surface_capabilities2(
&self,
physical_device: vk::PhysicalDevice,
surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
) -> VkResult<vk::SurfaceCapabilities2KHR> {
let mut surface_capabilities = Default::default();
(self.fp.get_physical_device_surface_capabilities2_khr)(
physical_device,
surface_info,
&mut surface_capabilities,
)
.result_with_success(surface_capabilities)
}
#[inline]
pub unsafe fn get_physical_device_surface_formats2_len(
&self,
physical_device: vk::PhysicalDevice,
surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
) -> VkResult<usize> {
let mut count = 0;
let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
physical_device,
surface_info,
&mut count,
std::ptr::null_mut(),
);
err_code.result_with_success(count as usize)
}
#[inline]
pub unsafe fn get_physical_device_surface_formats2(
&self,
physical_device: vk::PhysicalDevice,
surface_info: &vk::PhysicalDeviceSurfaceInfo2KHR,
out: &mut [vk::SurfaceFormat2KHR],
) -> VkResult<()> {
let mut count = out.len() as u32;
let err_code = (self.fp.get_physical_device_surface_formats2_khr)(
physical_device,
surface_info,
&mut count,
out.as_mut_ptr(),
);
assert_eq!(count as usize, out.len());
err_code.result()
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrGetSurfaceCapabilities2Fn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrGetSurfaceCapabilities2Fn {
&self.fp
}
}