Add application info workaround

resources/pkgbuild/PKGBUILD

@@ -7,7 +7,7 @@ pkgdesc="Vulkan overlay layer for rFactor 2"
 arch=('x86_64')
 url="https://gavania.de/hodasemi/${_pkgbase}"
 license=('GPL-3.0')
-makedepends=('rust' 'ctags' 'glslang')
+makedepends=('rust' 'ctags' 'glslang' 'vulkan-headers')
 depends=()
 conflicts=("${_pkgbase}")
 source=("git+${url}")

src/vk_layer/mod.rs

@@ -153,7 +153,11 @@ pub(crate) extern "system" fn create_instance(
                         *instance,
                         proc_addr,
                         &ext_names,
-                        (*(*create_info).pApplicationInfo).apiVersion,
+                        if (*create_info).pApplicationInfo == ptr::null() {
+                            VK_MAKE_VERSION(1, 3, 0)
+                        } else {
+                            (*(*create_info).pApplicationInfo).apiVersion
+                        },
                     )
                 }) {
                     Ok(panic_ok) => panic_ok,