Revision of snippet.rs

1 file changed, 32 insertions

snippet.rs(vytvořil soubor)

		@@ -0,0 +1,32 @@
1	+	#[unsafe(no_mangle)]
2	+	unsafe extern "system" fn xrCreateApiLayerInstance(
3	+	info: *const InstanceCreateInfo,
4	+	layer_info: *const ApiLayerCreateInfo,
5	+	instance: *mut Instance,
6	+	) -> openxr_sys::Result {
7	+	let r_info: &InstanceCreateInfo = unsafe { &*info };
8	+	let r_layer_info: &ApiLayerCreateInfo = unsafe { &*layer_info };
9	+	let r_instance: &mut Instance = unsafe { &mut *instance };
10	+
11	+	let mut next_layer_info: ApiLayerCreateInfo = *r_layer_info;
12	+	next_layer_info.next_info = unsafe { &*r_layer_info.next_info }.next;
13	+
14	+	dbg!(&r_info);
15	+
16	+	let Some(next_create_api_layer_instance) =
17	+	unsafe { &*r_layer_info.next_info }.next_create_api_layer_instance
18	+	else {
19	+	// no can do
20	+	eprintln!("Unable to get next_create_api_layer_instance from layer_info.next_info");
21	+	return openxr_sys::Result::ERROR_RUNTIME_FAILURE;
22	+	};
23	+
24	+	let result = unsafe { next_create_api_layer_instance(r_info, &next_layer_info, r_instance) };
25	+
26	+	if result != openxr_sys::Result::SUCCESS {
27	+	eprintln!("Next xrCreateApiLayerInstance failed: {}", result); // This gets triggerd
28	+	return result;
29	+	}
30	+
31	+	openxr_sys::Result::SUCCESS
32	+	}

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