From 1c07c9d6e6dcf11affdd99ee53097db8af375a90 Mon Sep 17 00:00:00 2001
From: Josh Simmons <josh@nega.tv>
Date: Sat, 11 May 2024 20:38:00 +0200
Subject: [PATCH] vulkan-sys: Add `vkEnumerateInstanceLayerProperties`

---
 external/vulkan-sys/src/functions.rs |  3 +++
 external/vulkan-sys/src/lib.rs       | 14 ++++++++++++++
 external/vulkan-sys/src/structs.rs   |  8 ++++++++
 3 files changed, 25 insertions(+)

diff --git a/external/vulkan-sys/src/functions.rs b/external/vulkan-sys/src/functions.rs
index 9ddceb1..1926575 100644
--- a/external/vulkan-sys/src/functions.rs
+++ b/external/vulkan-sys/src/functions.rs
@@ -46,6 +46,9 @@ pub type FnEnumerateInstanceExtensionProperties = extern "system" fn(
     properties: *mut ExtensionProperties,
 ) -> Result;
 
+pub type FnEnumerateInstanceLayerProperties =
+    extern "system" fn(property_count: &mut u32, properties: *mut LayerProperties) -> Result;
+
 pub type FnCreateInstance = extern "system" fn(
     create_info: &InstanceCreateInfo,
     allocator: Option<&AllocationCallbacks>,
diff --git a/external/vulkan-sys/src/lib.rs b/external/vulkan-sys/src/lib.rs
index 50494d4..b18d778 100644
--- a/external/vulkan-sys/src/lib.rs
+++ b/external/vulkan-sys/src/lib.rs
@@ -303,6 +303,7 @@ pub struct GlobalFunctions {
     get_instance_proc_addr: FnGetInstanceProcAddr,
     enumerate_instance_version: Option<FnEnumerateInstanceVersion>,
     enumerate_instance_extension_properties: FnEnumerateInstanceExtensionProperties,
+    enumerate_instance_layer_properties: FnEnumerateInstanceLayerProperties,
     create_instance: FnCreateInstance,
 }
 
@@ -319,6 +320,10 @@ impl GlobalFunctions {
                 Instance::null(),
                 c"vkEnumerateInstanceExtensionProperties".as_ptr(),
             )),
+            enumerate_instance_layer_properties: transmute::<_, _>(get_instance_proc_addr(
+                Instance::null(),
+                c"vkEnumerateInstanceLayerProperties".as_ptr(),
+            )),
             create_instance: transmute::<_, _>(
                 get_instance_proc_addr(Instance::null(), c"vkCreateInstance".as_ptr())
                     .expect("failed to load vkCreateInstance"),
@@ -355,6 +360,15 @@ impl GlobalFunctions {
         (self.enumerate_instance_extension_properties)(layer_name, property_count, properties)
     }
 
+    #[inline]
+    pub unsafe fn enumerate_instance_layer_properties(
+        &self,
+        property_count: &mut u32,
+        properties: *mut LayerProperties,
+    ) -> Result {
+        (self.enumerate_instance_layer_properties)(property_count, properties)
+    }
+
     #[inline]
     pub unsafe fn create_instance(
         &self,
diff --git a/external/vulkan-sys/src/structs.rs b/external/vulkan-sys/src/structs.rs
index 2fbb061..7b36af6 100644
--- a/external/vulkan-sys/src/structs.rs
+++ b/external/vulkan-sys/src/structs.rs
@@ -73,6 +73,14 @@ pub struct ExtensionProperties {
     pub spec_version: u32,
 }
 
+#[repr(C)]
+pub struct LayerProperties {
+    pub layer_name: [u8; 256],
+    pub spec_version: u32,
+    pub implementation_version: u32,
+    pub description: [u8; 256],
+}
+
 #[repr(C)]
 pub struct AllocationCallbacks {
     user_data: *mut c_void,
-- 
2.49.0