kazan 0.3.9+1.4.359

//! <https://registry.khronos.org/vulkan/specs/latest/man/html/VK_NV_compute_occupancy_priority.html>
#![allow(unused_imports)]
use crate::{vk::Result as VkResult, vk::*, *};
use core::ffi::{CStr, c_char, c_int, c_void};
use core::mem::transmute;
use core::ptr;

pub const EXTENSION_NAME: &CStr = c"VK_NV_compute_occupancy_priority";

pub(super) mod defs {
    #![allow(non_camel_case_types, unused_imports)]
    use crate::{vk::*, *};
    use core::ffi::{CStr, c_char, c_int, c_void};
    use core::fmt;
    use core::marker::PhantomData;
    use core::ptr;

    pub const COMPUTE_OCCUPANCY_PRIORITY_LOW_NV: f32 = 0.25;
    pub const COMPUTE_OCCUPANCY_PRIORITY_NORMAL_NV: f32 = 0.50;
    pub const COMPUTE_OCCUPANCY_PRIORITY_HIGH_NV: f32 = 0.75;

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkComputeOccupancyPriorityParametersNV.html>
    #[repr(C)]
    #[derive(Copy, Clone)]
    #[must_use]
    pub struct ComputeOccupancyPriorityParametersNV<'a> {
        pub s_type: StructureType,
        pub p_next: *const c_void,
        pub occupancy_priority: f32,
        pub occupancy_throttling: f32,
        pub _marker: PhantomData<&'a ()>,
    }

    #[cfg(feature = "debug")]
    impl fmt::Debug for ComputeOccupancyPriorityParametersNV<'_> {
        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
            f.debug_struct("ComputeOccupancyPriorityParametersNV")
                .field("s_type", &self.s_type)
                .field("p_next", &self.p_next)
                .field("occupancy_priority", &self.occupancy_priority)
                .field("occupancy_throttling", &self.occupancy_throttling)
                .finish()
        }
    }

    unsafe impl<'a> TaggedStructure<'a> for ComputeOccupancyPriorityParametersNV<'a> {
        const STRUCTURE_TYPE: StructureType =
            StructureType::COMPUTE_OCCUPANCY_PRIORITY_PARAMETERS_NV;
    }

    impl Default for ComputeOccupancyPriorityParametersNV<'_> {
        fn default() -> Self {
            Self {
                s_type: Self::STRUCTURE_TYPE,
                p_next: ptr::null(),
                occupancy_priority: Default::default(),
                occupancy_throttling: Default::default(),
                _marker: PhantomData,
            }
        }
    }

    impl<'a> ComputeOccupancyPriorityParametersNV<'a> {
        #[inline]
        pub fn occupancy_priority(mut self, occupancy_priority: f32) -> Self {
            self.occupancy_priority = occupancy_priority;
            self
        }

        #[inline]
        pub fn occupancy_throttling(mut self, occupancy_throttling: f32) -> Self {
            self.occupancy_throttling = occupancy_throttling;
            self
        }
    }

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/VkPhysicalDeviceComputeOccupancyPriorityFeaturesNV.html>
    #[repr(C)]
    #[derive(Copy, Clone)]
    #[must_use]
    pub struct PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'a> {
        pub s_type: StructureType,
        pub p_next: *mut c_void,
        pub compute_occupancy_priority: Bool32,
        pub _marker: PhantomData<&'a ()>,
    }

    #[cfg(feature = "debug")]
    impl fmt::Debug for PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'_> {
        fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
            f.debug_struct("PhysicalDeviceComputeOccupancyPriorityFeaturesNV")
                .field("s_type", &self.s_type)
                .field("p_next", &self.p_next)
                .field(
                    "compute_occupancy_priority",
                    &self.compute_occupancy_priority,
                )
                .finish()
        }
    }

    unsafe impl<'a> TaggedStructure<'a> for PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'a> {
        const STRUCTURE_TYPE: StructureType =
            StructureType::PHYSICAL_DEVICE_COMPUTE_OCCUPANCY_PRIORITY_FEATURES_NV;
    }

    unsafe impl Extends<PhysicalDeviceFeatures2<'_>>
        for PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'_>
    {
    }
    unsafe impl Extends<DeviceCreateInfo<'_>> for PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'_> {}

    impl Default for PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'_> {
        fn default() -> Self {
            Self {
                s_type: Self::STRUCTURE_TYPE,
                p_next: ptr::null_mut(),
                compute_occupancy_priority: Default::default(),
                _marker: PhantomData,
            }
        }
    }

    impl<'a> PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'a> {
        #[inline]
        pub fn compute_occupancy_priority(mut self, compute_occupancy_priority: bool) -> Self {
            self.compute_occupancy_priority = compute_occupancy_priority.into();
            self
        }
    }

    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkCmdSetComputeOccupancyPriorityNV.html>
    pub type PFN_vkCmdSetComputeOccupancyPriorityNV = unsafe extern "system" fn(
        command_buffer: CommandBuffer,
        p_parameters: *const ComputeOccupancyPriorityParametersNV<'_>,
    );
}

#[cfg(feature = "ffi")]
pub(super) mod ffi {
    #![allow(non_camel_case_types)]
    use super::defs::*;

    pub type VkComputeOccupancyPriorityParametersNV = ComputeOccupancyPriorityParametersNV<'static>;
    pub type VkPhysicalDeviceComputeOccupancyPriorityFeaturesNV =
        PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'static>;
    impl ComputeOccupancyPriorityParametersNV<'_> {
        #[inline]
        pub unsafe fn drop_lifetime_for_ffi(&self) -> &VkComputeOccupancyPriorityParametersNV {
            unsafe { core::mem::transmute(self) }
        }
    }
    impl PhysicalDeviceComputeOccupancyPriorityFeaturesNV<'_> {
        #[inline]
        pub unsafe fn drop_lifetime_for_ffi(
            &self,
        ) -> &VkPhysicalDeviceComputeOccupancyPriorityFeaturesNV {
            unsafe { core::mem::transmute(self) }
        }
    }
}

pub struct DeviceFn {
    cmd_set_compute_occupancy_priority: PFN_vkCmdSetComputeOccupancyPriorityNV,
}

impl LoadDeviceFn for DeviceFn {
    unsafe fn load_with(
        load: impl Fn(&CStr) -> Option<PFN_vkVoidFunction>,
    ) -> core::result::Result<Self, MissingEntryPointError> {
        unsafe {
            Ok(Self {
                cmd_set_compute_occupancy_priority: transmute(
                    load(c"vkCmdSetComputeOccupancyPriorityNV").ok_or(MissingEntryPointError)?,
                ),
            })
        }
    }
}

impl DeviceFn {
    /// <https://registry.khronos.org/vulkan/specs/latest/man/html/vkCmdSetComputeOccupancyPriorityNV.html>
    #[inline]
    pub unsafe fn cmd_set_compute_occupancy_priority(
        &self,
        command_buffer: CommandBuffer,
        parameters: &ComputeOccupancyPriorityParametersNV<'_>,
    ) {
        unsafe { (self.cmd_set_compute_occupancy_priority)(command_buffer, parameters) }
    }
}