Correctly propagate errors when creating shader module

vulkano-shaders/src/lib.rs

@@ -32,7 +32,9 @@ pub struct {name} {{
 impl {name} {{
     /// Loads the shader in Vulkan as a `ShaderModule`.
     #[inline]
-    pub fn load(device: &::std::sync::Arc<::vulkano::device::Device>) -> {name} {{
+    pub fn load(device: &::std::sync::Arc<::vulkano::device::Device>)
+                -> Result<{name}, ::vulkano::OomError>
+    {{
 
         "#, name = name));
 
@@ -54,9 +56,9 @@ impl {name} {{
         unsafe {{
             let data = [{spirv_data}];
 
-            {name} {{
-                shader: ::vulkano::shader::ShaderModule::new(device, &data).unwrap()    // FIXME: try!()
-            }}
+            Ok({name} {{
+                shader: try!(::vulkano::shader::ShaderModule::new(device, &data))
+            }})
         }}
     }}
 

vulkano/examples/triangle.rs

@@ -130,9 +130,9 @@ fn main() {
     //
     // Because of some restrictions with the `include!` macro, we need to use a module.
     mod vs { include!{concat!(env!("OUT_DIR"), "/examples-triangle_vs.rs")} }
-    let vs = vs::TriangleShader::load(&device);
+    let vs = vs::TriangleShader::load(&device).expect("failed to create shader module");
     mod fs { include!{concat!(env!("OUT_DIR"), "/examples-triangle_fs.rs")} }
-    let fs = fs::TriangleShader::load(&device);
+    let fs = fs::TriangleShader::load(&device).expect("failed to create shader module");
 
     // At this point, OpenGL initialization would be finished. However in Vulkan it is not. OpenGL
     // implicitely does a lot of computation whenever you draw. In Vulkan, you have to do all this