use crate::vk;
use crate::{Device, Instance};
use std::ffi::c_void;
use std::ffi::CStr;
use std::mem;
#[derive(Clone)]
pub struct PushDescriptor {
fp: vk::KhrPushDescriptorFn,
}
impl PushDescriptor {
pub fn new(instance: &Instance, device: &Device) -> Self {
let fp = vk::KhrPushDescriptorFn::load(|name| unsafe {
mem::transmute(instance.get_device_proc_addr(device.handle(), name.as_ptr()))
});
Self { fp }
}
#[inline]
pub unsafe fn cmd_push_descriptor_set(
&self,
command_buffer: vk::CommandBuffer,
pipeline_bind_point: vk::PipelineBindPoint,
layout: vk::PipelineLayout,
set: u32,
descriptor_writes: &[vk::WriteDescriptorSet],
) {
(self.fp.cmd_push_descriptor_set_khr)(
command_buffer,
pipeline_bind_point,
layout,
set,
descriptor_writes.len() as u32,
descriptor_writes.as_ptr(),
);
}
#[inline]
pub unsafe fn cmd_push_descriptor_set_with_template(
&self,
command_buffer: vk::CommandBuffer,
descriptor_update_template: vk::DescriptorUpdateTemplate,
layout: vk::PipelineLayout,
set: u32,
p_data: *const c_void,
) {
(self.fp.cmd_push_descriptor_set_with_template_khr)(
command_buffer,
descriptor_update_template,
layout,
set,
p_data,
);
}
#[inline]
pub const fn name() -> &'static CStr {
vk::KhrPushDescriptorFn::name()
}
#[inline]
pub fn fp(&self) -> &vk::KhrPushDescriptorFn {
&self.fp
}
}