snippet.rs
· 1.1 KiB · Rust
Ham
#[unsafe(no_mangle)]
unsafe extern "system" fn xrCreateApiLayerInstance(
info: *const InstanceCreateInfo,
layer_info: *const ApiLayerCreateInfo,
instance: *mut Instance,
) -> openxr_sys::Result {
let r_info: &InstanceCreateInfo = unsafe { &*info };
let r_layer_info: &ApiLayerCreateInfo = unsafe { &*layer_info };
let r_instance: &mut Instance = unsafe { &mut *instance };
let mut next_layer_info: ApiLayerCreateInfo = *r_layer_info;
next_layer_info.next_info = unsafe { &*r_layer_info.next_info }.next;
dbg!(&r_info);
let Some(next_create_api_layer_instance) =
unsafe { &*r_layer_info.next_info }.next_create_api_layer_instance
else {
// no can do
eprintln!("Unable to get next_create_api_layer_instance from layer_info.next_info");
return openxr_sys::Result::ERROR_RUNTIME_FAILURE;
};
let result = unsafe { next_create_api_layer_instance(r_info, &next_layer_info, r_instance) };
if result != openxr_sys::Result::SUCCESS {
eprintln!("Next xrCreateApiLayerInstance failed: {}", result); // This gets triggerd
return result;
}
openxr_sys::Result::SUCCESS
}
| 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 | } |