diff --git a/wgpu-core/src/device/resource.rs b/wgpu-core/src/device/resource.rs
index ba894a977..7d5898ecc 100644
--- a/wgpu-core/src/device/resource.rs
+++ b/wgpu-core/src/device/resource.rs
@@ -163,6 +163,8 @@ pub struct ExternalTextureParams {
     /// plane and an interleaved CbCr plane. 3 indicates separate Y, Cb, and Cr
     /// planes.
     pub num_planes: u32,
+    // Ensure the size of this struct matches the type generated by Naga.
+    pub _padding: [u8; 4],
 }
 
 impl ExternalTextureParams {
@@ -191,6 +193,7 @@ impl ExternalTextureParams {
             sample_transform: desc.sample_transform,
             load_transform: desc.load_transform,
             num_planes: desc.num_planes() as u32,
+            _padding: Default::default(),
         }
     }
 }
@@ -512,6 +515,7 @@ impl Device {
                 0.0, 0.0
             ],
             num_planes: 1,
+            _padding: Default::default(),
         };
         let mut staging_buffer =
             StagingBuffer::new(self, wgt::BufferSize::new(size_of_val(&data) as _).unwrap())?;
diff --git a/wgpu-hal/src/metal/adapter.rs b/wgpu-hal/src/metal/adapter.rs
index 02dfc0fe6..44e2c3010 100644
--- a/wgpu-hal/src/metal/adapter.rs
+++ b/wgpu-hal/src/metal/adapter.rs
@@ -927,7 +927,8 @@ impl super::PrivateCapabilities {
             | F::SHADER_F16
             | F::DEPTH32FLOAT_STENCIL8
             | F::BGRA8UNORM_STORAGE
-            | F::EXPERIMENTAL_PASSTHROUGH_SHADERS;
+            | F::EXPERIMENTAL_PASSTHROUGH_SHADERS
+            | F::EXTERNAL_TEXTURE;
 
         features.set(F::FLOAT32_FILTERABLE, self.supports_float_filtering);
         features.set(
diff --git a/wgpu-hal/src/metal/device.rs b/wgpu-hal/src/metal/device.rs
index 6af8ad306..d034be31f 100644
--- a/wgpu-hal/src/metal/device.rs
+++ b/wgpu-hal/src/metal/device.rs
@@ -747,7 +747,19 @@ impl crate::Device for super::Device {
                                 };
                             }
                             wgt::BindingType::AccelerationStructure { .. } => unimplemented!(),
-                            wgt::BindingType::ExternalTexture => unimplemented!(),
+                            wgt::BindingType::ExternalTexture => {
+                                target.external_texture =
+                                    Some(naga::back::msl::BindExternalTextureTarget {
+                                        planes: [
+                                            info.counters.textures as _,
+                                            (info.counters.textures + 1) as _,
+                                            (info.counters.textures + 2) as _,
+                                        ],
+                                        params: info.counters.buffers as _,
+                                    });
+                                info.counters.textures += 3;
+                                info.counters.buffers += 1;
+                            }
                         }
                     }
 
@@ -980,7 +992,28 @@ impl crate::Device for super::Device {
                                 counter.textures += 1;
                             }
                             wgt::BindingType::AccelerationStructure { .. } => unimplemented!(),
-                            wgt::BindingType::ExternalTexture => unimplemented!(),
+                            wgt::BindingType::ExternalTexture => {
+                                // We don't yet support binding arrays of external textures.
+                                // https://github.com/gfx-rs/wgpu/issues/8027
+                                assert_eq!(entry.count, 1);
+                                let external_texture =
+                                    &desc.external_textures[entry.resource_index as usize];
+                                bg.textures.extend(
+                                    external_texture
+                                        .planes
+                                        .iter()
+                                        .map(|plane| plane.view.as_raw()),
+                                );
+                                bg.buffers.push(super::BufferResource {
+                                    ptr: external_texture.params.buffer.as_raw(),
+                                    offset: external_texture.params.offset,
+                                    dynamic_index: None,
+                                    binding_size: None,
+                                    binding_location: layout.binding,
+                                });
+                                counter.textures += 3;
+                                counter.buffers += 1;
+                            }
                         }
                     }
                 }
diff --git a/wgpu-types/src/features.rs b/wgpu-types/src/features.rs
index 8f7418b01..2c4bd7245 100644
--- a/wgpu-types/src/features.rs
+++ b/wgpu-types/src/features.rs
@@ -985,6 +985,7 @@ bitflags_array! {
         ///
         /// Supported platforms:
         /// - DX12
+        /// - Metal
         const EXTERNAL_TEXTURE = 1 << 31;
 
         // Shader: