Also use ExternalImageDescriptor in D3D12 and Metal Backends

Bug: chromium:1036080
Change-Id: I358b0441c168ca075b09ab028c2f6d9df2a44d59
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/16240
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Reviewed-by: Austin Eng <enga@chromium.org>
Commit-Queue: Natasha Lee <natlee@microsoft.com>

src/include/dawn_native/D3D12Backend.h

@@ -30,6 +30,18 @@ namespace dawn_native { namespace d3d12 {
     DAWN_NATIVE_EXPORT WGPUTextureFormat
     GetNativeSwapChainPreferredFormat(const DawnSwapChainImplementation* swapChain);
 
+    struct DAWN_NATIVE_EXPORT ExternalImageDescriptorDXGISharedHandle : ExternalImageDescriptor {
+      public:
+        ExternalImageDescriptorDXGISharedHandle();
+
+        HANDLE sharedHandle;
+        uint64_t acquireMutexKey;
+    };
+
+    // Note: SharedHandle must be a handle to a texture object.
+    DAWN_NATIVE_EXPORT WGPUTexture
+    WrapSharedHandle(WGPUDevice device, const ExternalImageDescriptorDXGISharedHandle* descriptor);
+
     // Note: SharedHandle must be a handle to a texture object.
     DAWN_NATIVE_EXPORT WGPUTexture WrapSharedHandle(WGPUDevice device,
                                                     const WGPUTextureDescriptor* descriptor,

src/include/dawn_native/DawnNative.h

@@ -185,6 +185,24 @@ namespace dawn_native {
     DAWN_NATIVE_EXPORT uint64_t AcquireErrorInjectorCallCount();
     DAWN_NATIVE_EXPORT void InjectErrorAt(uint64_t index);
 
+    // The different types of ExternalImageDescriptors
+    enum ExternalImageDescriptorType {
+        OpaqueFD,
+        DmaBuf,
+        IOSurface,
+        DXGISharedHandle,
+    };
+
+    // Common properties of external images
+    struct DAWN_NATIVE_EXPORT ExternalImageDescriptor {
+      public:
+        const ExternalImageDescriptorType type;
+        const WGPUTextureDescriptor* cTextureDescriptor;  // Must match image creation params
+        bool isCleared;  // Sets whether the texture will be cleared before use
+
+      protected:
+        ExternalImageDescriptor(ExternalImageDescriptorType type);
+    };
 }  // namespace dawn_native
 
 #endif  // DAWNNATIVE_DAWNNATIVE_H_

src/include/dawn_native/MetalBackend.h

@@ -33,6 +33,17 @@ typedef __IOSurface* IOSurfaceRef;
 #endif  //__OBJC__
 
 namespace dawn_native { namespace metal {
+    struct DAWN_NATIVE_EXPORT ExternalImageDescriptorIOSurface : ExternalImageDescriptor {
+      public:
+        ExternalImageDescriptorIOSurface();
+
+        IOSurfaceRef ioSurface;
+        uint32_t plane;
+    };
+
+    DAWN_NATIVE_EXPORT WGPUTexture
+    WrapIOSurface(WGPUDevice device, const ExternalImageDescriptorIOSurface* descriptor);
+
     DAWN_NATIVE_EXPORT WGPUTexture WrapIOSurface(WGPUDevice device,
                                                  const WGPUTextureDescriptor* descriptor,
                                                  IOSurfaceRef ioSurface,

src/include/dawn_native/VulkanBackend.h

@@ -23,26 +23,6 @@
 #include <vector>
 
 namespace dawn_native { namespace vulkan {
-
-    // The different types of ExternalImageDescriptors
-    enum ExternalImageDescriptorType {
-#ifdef __linux__
-        OpaqueFD,
-        DmaBuf,
-#endif  // __linux__
-    };
-
-    // Common properties of external images
-    struct DAWN_NATIVE_EXPORT ExternalImageDescriptor {
-      public:
-        const ExternalImageDescriptorType type;           // Must match the subclass
-        const WGPUTextureDescriptor* cTextureDescriptor;  // Must match image creation params
-        bool isCleared;  // Sets whether the texture will be cleared before use
-
-      protected:
-        ExternalImageDescriptor(ExternalImageDescriptorType type);
-    };
-
     DAWN_NATIVE_EXPORT VkInstance GetInstance(WGPUDevice device);
 
     DAWN_NATIVE_EXPORT PFN_vkVoidFunction GetInstanceProcAddr(WGPUDevice device, const char* pName);