From cd9498d44738ef6f8e057ece6a42a6434175d8e3 Mon Sep 17 00:00:00 2001
From: xiaopengli89 <x.friday@outlook.com>
Date: Thu, 28 Oct 2021 15:36:48 +0800
Subject: [PATCH] Add texture_from_raw method for metal/dx12 device

---
 wgpu-hal/src/dx12/device.rs  | 18 ++++++++++++++++++
 wgpu-hal/src/metal/device.rs | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/wgpu-hal/src/dx12/device.rs b/wgpu-hal/src/dx12/device.rs
index 49be25e906..95eccb3b9b 100644
--- a/wgpu-hal/src/dx12/device.rs
+++ b/wgpu-hal/src/dx12/device.rs
@@ -280,6 +280,24 @@ impl super::Device {
         );
         result
     }
+
+    pub unsafe fn texture_from_raw(
+        resource: native::Resource,
+        format: wgt::TextureFormat,
+        dimension: wgt::TextureDimension,
+        size: wgt::Extent3d,
+        mip_level_count: u32,
+        sample_count: u32,
+    ) -> super::Texture {
+        super::Texture {
+            resource,
+            format,
+            dimension,
+            size,
+            mip_level_count,
+            sample_count,
+        }
+    }
 }
 
 impl crate::Device<super::Api> for super::Device {
diff --git a/wgpu-hal/src/metal/device.rs b/wgpu-hal/src/metal/device.rs
index 91aa0a5e0c..da3a73ed10 100644
--- a/wgpu-hal/src/metal/device.rs
+++ b/wgpu-hal/src/metal/device.rs
@@ -174,6 +174,24 @@ impl super::Device {
                 .set_mutability(mtl::MTLMutability::Immutable);
         }
     }
+
+    pub unsafe fn texture_from_raw(
+        raw: mtl::Texture,
+        raw_format: mtl::MTLPixelFormat,
+        raw_type: mtl::MTLTextureType,
+        array_layers: u32,
+        mip_levels: u32,
+        copy_size: crate::CopyExtent,
+    ) -> super::Texture {
+        super::Texture {
+            raw,
+            raw_format,
+            raw_type,
+            array_layers,
+            mip_levels,
+            copy_size,
+        }
+    }
 }
 
 impl crate::Device<super::Api> for super::Device {