fix(engine): fix borrow compile error in gl rendering backend

1 files changed, 25 insertions, 21 deletions

diff --git a/engine/src/rendering/backend/opengl.rs b/engine/src/rendering/backend/opengl.rs
index 5b009ca..8b887b3 100644
--- a/engine/src/rendering/backend/opengl.rs
+++ b/engine/src/rendering/backend/opengl.rs
@@ -395,7 +395,7 @@ impl intmap::IntKey for ShaderBindingIndex
     }
 }
 
-#[derive(Debug)]
+#[derive(Debug, Clone)]
 enum BackendShaderBinding
 {
     Uniform(GlBuffer<u8>),
@@ -1526,7 +1526,7 @@ fn set_shader_binding<'backend_resources>(
     shader_object_id: ObjectId,
     binding_location: &ShaderBindingLocation,
     binding_value: ShaderBindingValue,
-) -> Option<&'backend_resources BackendShaderBinding>
+) -> Option<BackendShaderBinding>
 {
     if let ShaderBindingValue::Texture(texture_object_id, _) = &binding_value {
         let gl_texture = match backend_resources.get_resource(
@@ -1562,7 +1562,8 @@ fn set_shader_binding<'backend_resources>(
         return Some(
             shader_bindings
                 .entry(ShaderBindingIndex(binding_location.binding_index))
-                .set_or_insert_with(|| BackendShaderBinding::Texture(gl_texture.clone())),
+                .set_or_insert_with(|| BackendShaderBinding::Texture(gl_texture.clone()))
+                .clone(),
         );
 
         // if Some(shader_object_id)
@@ -1587,27 +1588,30 @@ fn set_shader_binding<'backend_resources>(
         None => return None,
     };
 
-    let binding =
-        match shader_bindings.get(ShaderBindingIndex(binding_location.binding_index)) {
-            Some(binding @ BackendShaderBinding::Uniform(_)) => binding,
-            Some(_) | None => {
-                let uniform_buf = GlBuffer::<u8>::new(gl_context);
+    let binding = match shader_bindings
+        .get(ShaderBindingIndex(binding_location.binding_index))
+        .cloned()
+    {
+        Some(binding @ BackendShaderBinding::Uniform(_)) => binding,
+        Some(_) | None => {
+            let uniform_buf = GlBuffer::<u8>::new(gl_context);
 
-                uniform_buf
-                    .init(
-                        gl_context,
-                        binding_location.binding_size,
-                        opengl_bindings::buffer::Usage::Dynamic,
-                    )
-                    .unwrap();
+            uniform_buf
+                .init(
+                    gl_context,
+                    binding_location.binding_size,
+                    opengl_bindings::buffer::Usage::Dynamic,
+                )
+                .unwrap();
 
-                shader_bindings
-                    .entry(ShaderBindingIndex(binding_location.binding_index))
-                    .set_or_insert_with(|| BackendShaderBinding::Uniform(uniform_buf))
-            }
-        };
+            shader_bindings
+                .entry(ShaderBindingIndex(binding_location.binding_index))
+                .set_or_insert_with(|| BackendShaderBinding::Uniform(uniform_buf))
+                .clone()
+        }
+    };
 
-    let BackendShaderBinding::Uniform(binding_uniform_buf) = binding else {
+    let BackendShaderBinding::Uniform(binding_uniform_buf) = &binding else {
         unreachable!();
     };