working generating camera rays from view and proj matrices

build.rs

@@ -58,9 +58,14 @@ fn main() {
     let mut compiler = shaderc::Compiler::new().expect("Unable to create shader compiler");
     for shader in shaders {
         println!("cargo:rerun-if-changed={}", shader.src_path.as_os_str().to_str().unwrap());
-        let compiled = compiler.compile_into_spirv(&shader.source, shader.kind, &shader.src_path.to_str().unwrap(), "main", Some(&options))
-            .expect("Shader error:");
-        write(shader.spv_path, compiled.as_binary_u8()).unwrap();
+        
+        let result = compiler.compile_into_spirv(&shader.source, shader.kind, &shader.src_path.to_str().unwrap(), "main", Some(&options));
+        match result {
+            Err(err) => { panic!("Failed: {}", err); },
+            Ok(data) => {
+                write(shader.spv_path, data.as_binary_u8()).unwrap();
+            }
+        }
     }
 
     // Rebuild if any of the cginc change