diff --git a/librashader-capi/src/runtime/d3d11/filter_chain.rs b/librashader-capi/src/runtime/d3d11/filter_chain.rs
index ed0d07b..22d0aed 100644
--- a/librashader-capi/src/runtime/d3d11/filter_chain.rs
+++ b/librashader-capi/src/runtime/d3d11/filter_chain.rs
@@ -4,7 +4,7 @@ use crate::ffi::extern_fn;
 use librashader::runtime::d3d11::{D3D11InputView, D3D11OutputView};
 use std::ffi::c_char;
 use std::ffi::CStr;
-use std::mem::MaybeUninit;
+use std::mem::{ManuallyDrop, MaybeUninit};
 use std::ptr::NonNull;
 use std::slice;
 use windows::Win32::Graphics::Direct3D11::{
@@ -20,7 +20,7 @@ use librashader::runtime::{FilterChainParameters, Size, Viewport};
 #[repr(C)]
 pub struct libra_source_image_d3d11_t {
     /// A shader resource view into the source image
-    pub handle: ID3D11ShaderResourceView,
+    pub handle: ManuallyDrop<ID3D11ShaderResourceView>,
     /// The height of the source image.
     pub height: u32,
     /// The width of the source image.
@@ -34,7 +34,7 @@ impl TryFrom<libra_source_image_d3d11_t> for D3D11InputView {
         let handle = value.handle.clone();
 
         Ok(D3D11InputView {
-            handle,
+            handle: ManuallyDrop::into_inner(handle),
             size: Size::new(value.width, value.height),
         })
     }
@@ -54,7 +54,7 @@ extern_fn! {
     fn libra_d3d11_filter_chain_create(
         preset: *mut libra_shader_preset_t,
         options: *const FilterChainOptionsD3D11,
-        device: ID3D11Device,
+        device: ManuallyDrop<ID3D11Device>,
         out: *mut MaybeUninit<libra_d3d11_filter_chain_t>
     ) {
         assert_non_null!(preset);
@@ -101,7 +101,7 @@ extern_fn! {
         frame_count: usize,
         image: libra_source_image_d3d11_t,
         viewport: libra_viewport_t,
-        out: ID3D11RenderTargetView,
+        out: ManuallyDrop<ID3D11RenderTargetView>,
         mvp: *const f32,
         opt: *const FrameOptionsD3D11
     ) mut |chain| {
@@ -124,7 +124,7 @@ extern_fn! {
             y: viewport.y,
             output: D3D11OutputView {
                 size: Size::new(viewport.width, viewport.height),
-                handle: out.clone(),
+                handle: ManuallyDrop::into_inner(out.clone()),
             },
             mvp,
         };
diff --git a/librashader-runtime-d3d11/src/hello_triangle.rs b/librashader-runtime-d3d11/src/hello_triangle.rs
index 7df94bd..f50e33c 100644
--- a/librashader-runtime-d3d11/src/hello_triangle.rs
+++ b/librashader-runtime-d3d11/src/hello_triangle.rs
@@ -257,7 +257,7 @@ pub mod d3d11_hello_triangle {
         pub elapsed: f32,
         triangle_uniform_values: TriangleUniforms,
         pub backbuffer: ID3D11Texture2D,
-        pub rtv: ID3D11RenderTargetView,
+        pub backbuffer_rtv: ID3D11RenderTargetView,
         pub viewport: D3D11_VIEWPORT,
         pub shader_output: Option<ID3D11Texture2D>,
         pub frame_count: usize,
@@ -325,7 +325,7 @@ pub mod d3d11_hello_triangle {
 
             self.resources = Some(Resources {
                 swapchain,
-                rtv,
+                backbuffer_rtv: rtv,
                 backbuffer,
                 depth_buffer,
                 depth_stencil_view,
@@ -399,7 +399,7 @@ pub mod d3d11_hello_triangle {
                     Some(&[resources.triangle_uniforms.clone()]),
                 );
                 self.context.OMSetRenderTargets(
-                    Some(&[resources.rtv.clone()]),
+                    Some(&[resources.backbuffer_rtv.clone()]),
                     &resources.depth_stencil_view,
                 );
                 self.context.RSSetViewports(Some(&[resources.viewport]))
@@ -408,7 +408,7 @@ pub mod d3d11_hello_triangle {
             unsafe {
                 let color = [0.3, 0.4, 0.6, 1.0];
                 self.context
-                    .ClearRenderTargetView(&resources.rtv, color.as_ptr());
+                    .ClearRenderTargetView(&resources.backbuffer_rtv, color.as_ptr());
                 self.context.ClearDepthStencilView(
                     &resources.depth_stencil_view,
                     D3D11_CLEAR_DEPTH.0 as u32,
@@ -444,7 +444,7 @@ pub mod d3d11_hello_triangle {
             unsafe {
                 let mut tex2d_desc = Default::default();
                 resources.backbuffer.GetDesc(&mut tex2d_desc);
-                let mut backup = None;
+                let mut backbuffer_copy = None;
 
                 self.device.CreateTexture2D(
                     &D3D11_TEXTURE2D_DESC {
@@ -453,13 +453,13 @@ pub mod d3d11_hello_triangle {
                         ..tex2d_desc
                     },
                     None,
-                    Some(&mut backup),
+                    Some(&mut backbuffer_copy),
                 )?;
-                let backup = backup.unwrap();
+                let backup = backbuffer_copy.unwrap();
 
                 self.context.CopyResource(&backup, &resources.backbuffer);
 
-                let mut srv = None;
+                let mut copy_srv = None;
                 self.device.CreateShaderResourceView(
                     &backup,
                     Some(&D3D11_SHADER_RESOURCE_VIEW_DESC {
@@ -472,9 +472,9 @@ pub mod d3d11_hello_triangle {
                             },
                         },
                     }),
-                    Some(&mut srv),
+                    Some(&mut copy_srv),
                 )?;
-                let srv = srv.unwrap();
+                let srv = copy_srv.unwrap();
 
                 let mut shader_out = None;
                 self.device
@@ -494,23 +494,6 @@ pub mod d3d11_hello_triangle {
                     Some(&mut rtv),
                 )?;
 
-                // OutputFramebuffer {
-                //                             rtv: resources.rtv.clone(),
-                //                             // rtv,
-                //                             size: Size {
-                //                                 width: tex2d_desc.Width,
-                //                                 height: tex2d_desc.Height,
-                //                             },
-                //                             viewport: resources.viewport, // viewport: D3D11_VIEWPORT {
-                //                                                           //     TopLeftX: 0.0,
-                //                                                           //     TopLeftY: 0.0,
-                //                                                           //     Width: tex2d_desc.Width as f32,
-                //                                                           //     Height:  tex2d_desc.Height as f32,
-                //                                                           //     MinDepth: 0.0,
-                //                                                           //     MaxDepth: 1.0,
-                //                                                           // },
-                //                         },
-
                 self.filter
                     .frame(
                         D3D11InputView {
@@ -528,7 +511,7 @@ pub mod d3d11_hello_triangle {
                                     width: tex2d_desc.Width,
                                     height: tex2d_desc.Height,
                                 },
-                                handle: resources.rtv.clone(),
+                                handle: resources.backbuffer_rtv.clone(),
                             },
                             mvp: None,
                         },