Added VK_KHR_pipeline_executable_properties extension support. (#313)

* Added `VK_KHR_pipeline_executable_properties` extension support.

* Unused import removed.

* Cargo-fmt requirements satisfied.

* Specification requirements satisfied.

* Cargo-fmt requirements satisfied.

* Recommended fixes applied.

ash/src/extensions/khr/mod.rs

@@ -3,6 +3,7 @@ pub use self::display::Display;
 pub use self::display_swapchain::DisplaySwapchain;
 pub use self::draw_indirect_count::DrawIndirectCount;
 pub use self::external_memory_fd::ExternalMemoryFd;
+pub use self::pipeline_executable_properties::PipelineExecutableProperties;
 pub use self::push_descriptor::PushDescriptor;
 pub use self::ray_tracing::RayTracing;
 pub use self::surface::Surface;
@@ -18,6 +19,7 @@ mod display;
 mod display_swapchain;
 mod draw_indirect_count;
 mod external_memory_fd;
+mod pipeline_executable_properties;
 mod push_descriptor;
 mod ray_tracing;
 mod surface;

ash/src/extensions/khr/pipeline_executable_properties.rs

@@ -0,0 +1,129 @@
+#![allow(dead_code)]
+use crate::prelude::*;
+use crate::version::{EntryV1_0, InstanceV1_0};
+use crate::vk;
+use std::ffi::CStr;
+use std::mem;
+use std::ptr;
+
+#[derive(Clone)]
+pub struct PipelineExecutableProperties {
+    handle: vk::Instance,
+    pipeline_executable_properties_fn: vk::KhrPipelineExecutablePropertiesFn,
+}
+
+impl PipelineExecutableProperties {
+    pub fn new<E: EntryV1_0, I: InstanceV1_0>(
+        entry: &E,
+        instance: &I,
+    ) -> PipelineExecutableProperties {
+        let pipeline_executable_properties_fn =
+            vk::KhrPipelineExecutablePropertiesFn::load(|name| unsafe {
+                mem::transmute(entry.get_instance_proc_addr(instance.handle(), name.as_ptr()))
+            });
+
+        PipelineExecutableProperties {
+            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>> {
+        let mut count = 0;
+        self.pipeline_executable_properties_fn
+            .get_pipeline_executable_internal_representations_khr(
+                device,
+                executable_info,
+                &mut count,
+                ptr::null_mut(),
+            );
+        let mut v: Vec<_> = vec![Default::default(); count as usize];
+        let err_code = self
+            .pipeline_executable_properties_fn
+            .get_pipeline_executable_internal_representations_khr(
+                device,
+                executable_info,
+                &mut count,
+                v.as_mut_ptr(),
+            );
+        match err_code {
+            vk::Result::SUCCESS => Ok(v),
+            _ => Err(err_code),
+        }
+    }
+
+    #[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>> {
+        let mut count = 0;
+        self.pipeline_executable_properties_fn
+            .get_pipeline_executable_properties_khr(
+                device,
+                pipeline_info,
+                &mut count,
+                ptr::null_mut(),
+            );
+        let mut v: Vec<_> = vec![Default::default(); count as usize];
+        let err_code = self
+            .pipeline_executable_properties_fn
+            .get_pipeline_executable_properties_khr(
+                device,
+                pipeline_info,
+                &mut count,
+                v.as_mut_ptr(),
+            );
+        match err_code {
+            vk::Result::SUCCESS => Ok(v),
+            _ => Err(err_code),
+        }
+    }
+
+    #[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>> {
+        let mut count = 0;
+        self.pipeline_executable_properties_fn
+            .get_pipeline_executable_statistics_khr(
+                device,
+                executable_info,
+                &mut count,
+                ptr::null_mut(),
+            );
+        let mut v: Vec<_> = vec![Default::default(); count as usize];
+        let err_code = self
+            .pipeline_executable_properties_fn
+            .get_pipeline_executable_statistics_khr(
+                device,
+                executable_info,
+                &mut count,
+                v.as_mut_ptr(),
+            );
+        match err_code {
+            vk::Result::SUCCESS => Ok(v),
+            _ => Err(err_code),
+        }
+    }
+
+    pub fn fp(&self) -> &vk::KhrPipelineExecutablePropertiesFn {
+        &self.pipeline_executable_properties_fn
+    }
+
+    pub fn instance(&self) -> vk::Instance {
+        self.handle
+    }
+}