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use std::ffi::c_void;
use std::sync::Arc;
use erupt::vk;
#[cfg(feature = "tracing")]
use tracing1::error;
use crate::context::Context;
use crate::{AscheError, Result};
#[derive(Debug)]
pub struct AccelerationStructure {
raw: vk::AccelerationStructureKHR,
context: Arc<Context>,
}
impl Drop for AccelerationStructure {
fn drop(&mut self) {
unsafe {
self.context
.device
.destroy_acceleration_structure_khr(Some(self.raw), None);
};
}
}
impl AccelerationStructure {
pub(crate) fn new(raw: vk::AccelerationStructureKHR, context: Arc<Context>) -> Self {
Self { raw, context }
}
#[inline]
pub fn raw(&self) -> vk::AccelerationStructureKHR {
self.raw
}
#[doc = "[Vulkan Manual Page](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkGetAccelerationStructureDeviceAddressKHR.html)"]
#[cfg_attr(feature = "profiling", profiling::function)]
pub unsafe fn device_address(&self) -> vk::DeviceAddress {
let info = vk::AccelerationStructureDeviceAddressInfoKHRBuilder::new()
.acceleration_structure(self.raw);
self.context
.device
.get_acceleration_structure_device_address_khr(&info)
}
#[doc = "[Vulkan Manual Page](https://www.khronos.org/registry/vulkan/specs/1.2-extensions/man/html/vkWriteAccelerationStructuresPropertiesKHR.html)"]
#[cfg_attr(feature = "profiling", profiling::function)]
pub unsafe fn write_acceleration_structures_properties(
&self,
query_type: vk::QueryType,
data: &[u8],
stride: usize,
) -> Result<()> {
let acceleration_structures = [self.raw];
#[allow(clippy::as_conversions)]
self.context
.device
.write_acceleration_structures_properties_khr(
&acceleration_structures,
query_type,
data.len(),
data.as_ptr() as *mut c_void,
stride,
)
.map_err(|err| {
#[cfg(feature = "tracing")]
error!(
"Unable to query acceleration structure meta-data on the host: {}",
err
);
AscheError::VkResult(err)
})
}
}