use crate::prelude::*;
use crate::vk;
use crate::{EntryCustom, Instance};
use std::ffi::CStr;
use std::mem;

#[derive(Clone)]
pub struct PipelineExecutableProperties {
    handle: vk::Instance,
    pipeline_executable_properties_fn: vk::KhrPipelineExecutablePropertiesFn,
}

impl PipelineExecutableProperties {
    pub fn new<L>(entry: &EntryCustom<L>, instance: &Instance) -> Self {
        let pipeline_executable_properties_fn =
            vk::KhrPipelineExecutablePropertiesFn::load(|name| unsafe {
                mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
            });
        Self {
            handle: instance.handle(),
            pipeline_executable_properties_fn,
        }
    }

    pub fn name() -> &'static CStr {
        vk::KhrPipelineExecutablePropertiesFn::name()
    }

    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPipelineExecutableInternalRepresentationsKHR.html>"]
    pub unsafe fn get_pipeline_executable_internal_representations(
        &self,
        device: vk::Device,
        executable_info: &vk::PipelineExecutableInfoKHR,
    ) -> VkResult<Vec<vk::PipelineExecutableInternalRepresentationKHR>> {
        read_into_defaulted_vector(|count, data| {
            self.pipeline_executable_properties_fn
                .get_pipeline_executable_internal_representations_khr(
                    device,
                    executable_info,
                    count,
                    data,
                )
        })
    }

    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPipelineExecutablePropertiesKHR.html>"]
    pub unsafe fn get_pipeline_executable_properties(
        &self,
        device: vk::Device,
        pipeline_info: &vk::PipelineInfoKHR,
    ) -> VkResult<Vec<vk::PipelineExecutablePropertiesKHR>> {
        read_into_defaulted_vector(|count, data| {
            self.pipeline_executable_properties_fn
                .get_pipeline_executable_properties_khr(device, pipeline_info, count, data)
        })
    }

    #[doc = "<https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetPipelineExecutableStatisticsKHR.html>"]
    pub unsafe fn get_pipeline_executable_statistics(
        &self,
        device: vk::Device,
        executable_info: &vk::PipelineExecutableInfoKHR,
    ) -> VkResult<Vec<vk::PipelineExecutableStatisticKHR>> {
        read_into_defaulted_vector(|count, data| {
            self.pipeline_executable_properties_fn
                .get_pipeline_executable_statistics_khr(device, executable_info, count, data)
        })
    }

    pub fn fp(&self) -> &vk::KhrPipelineExecutablePropertiesFn {
        &self.pipeline_executable_properties_fn
    }

    pub fn instance(&self) -> vk::Instance {
        self.handle
    }
}