AArch64 support

Cargo.lock

@@ -580,6 +580,7 @@ dependencies = [
  "gl",
  "glutin",
  "image",
+ "libc",
  "nalgebra-glm",
  "rand",
  "tobj",
@@ -755,9 +756,9 @@ checksum = "03087c2bad5e1034e8cace5926dec053fb3790248370865f5117a7d0213354c8"
 
 [[package]]
 name = "libc"
-version = "0.2.131"
+version = "0.2.132"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04c3b4822ccebfa39c02fc03d1534441b22ead323fa0f48bb7ddd8e6ba076a40"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
 
 [[package]]
 name = "libloading"

Cargo.toml

@@ -16,3 +16,4 @@ tobj = "3.1.0"
 image = "0.24.3"
 nalgebra-glm = "0.17.0"
 rand = "0.8.4"
+libc = "0.2.132"

src/util.rs

@@ -1,14 +1,15 @@
 use std::ffi::CString;
+use libc;
 
 pub unsafe fn get_gl_string(name: gl::types::GLenum) -> String {
-    std::ffi::CStr::from_ptr(gl::GetString(name) as *mut i8).to_string_lossy().to_string()
+    std::ffi::CStr::from_ptr(gl::GetString(name) as *mut libc::c_char).to_string_lossy().to_string()
 }
 
 // Debug callback to panic upon enountering any OpenGL error
 pub extern "system" fn debug_callback(
     source: u32, e_type: u32, id: u32,
     severity: u32, _length: i32,
-    msg: *const i8, _data: *mut std::ffi::c_void
+    msg: *const libc::c_char, _data: *mut std::ffi::c_void
 ) {
     if e_type != gl::DEBUG_TYPE_ERROR { return }
     if severity == gl::DEBUG_SEVERITY_HIGH ||
@@ -22,7 +23,7 @@ pub extern "system" fn debug_callback(
             _ => "unknown",
         };
         unsafe {
-            let string = CString::from_raw(msg as *mut i8);
+            let string = CString::from_raw(msg as *mut libc::c_char);
             let error_message = String::from_utf8_lossy(string.as_bytes()).to_string();
             panic!("{}: Error of severity {} raised from {}: {}\n",
                 id, severity_string, source, error_message);