4 files changed, 77 insertions, 0 deletions
diff --git a/components/msg/platform/android/surface.rs b/components/msg/platform/android/surface.rs
new file mode 100644
index 00000000000..6f2e962d804
--- /dev/null
+++ b/components/msg/platform/android/surface.rs
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//! EGL-specific implementation of cross-process surfaces. This uses EGL surfaces.
+
+use platform::surface::NativeSurfaceAzureMethods;
+
+use azure::AzSkiaGrGLSharedSurfaceRef;
+use layers::platform::surface::NativeSurface;
+use std::mem;
+
+impl NativeSurfaceAzureMethods for NativeSurface {
+    fn from_azure_surface(surface: AzSkiaGrGLSharedSurfaceRef) -> NativeSurface {
+        unsafe {
+            NativeSurface::from_image_khr(mem::transmute(surface))
+        }
+    }
+}
+
diff --git a/components/msg/platform/linux/surface.rs b/components/msg/platform/linux/surface.rs
new file mode 100644
index 00000000000..60cc84bc965
--- /dev/null
+++ b/components/msg/platform/linux/surface.rs
@@ -0,0 +1,20 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//! X11-specific implementation of cross-process surfaces. This uses X pixmaps.
+
+use platform::surface::NativeSurfaceAzureMethods;
+
+use azure::AzSkiaGrGLSharedSurfaceRef;
+use layers::platform::surface::NativeSurface;
+use std::mem;
+
+impl NativeSurfaceAzureMethods for NativeSurface {
+    fn from_azure_surface(surface: AzSkiaGrGLSharedSurfaceRef) -> NativeSurface {
+        unsafe {
+            NativeSurface::from_pixmap(mem::transmute(surface))
+        }
+    }
+}
+
diff --git a/components/msg/platform/macos/surface.rs b/components/msg/platform/macos/surface.rs
new file mode 100644
index 00000000000..30b5e405500
--- /dev/null
+++ b/components/msg/platform/macos/surface.rs
@@ -0,0 +1,25 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//! Mac OS-specific implementation of cross-process surfaces. This uses `IOSurface`, introduced
+//! in Mac OS X 10.6 Snow Leopard.
+
+use platform::surface::NativeSurfaceAzureMethods;
+
+use azure::AzSkiaGrGLSharedSurfaceRef;
+use io_surface::IOSurface;
+use layers::platform::surface::NativeSurface;
+use std::mem;
+
+impl NativeSurfaceAzureMethods for NativeSurface {
+    fn from_azure_surface(surface: AzSkiaGrGLSharedSurfaceRef) -> NativeSurface {
+        unsafe {
+            let io_surface = IOSurface {
+                obj: mem::transmute(surface),
+            };
+            NativeSurface::from_io_surface(io_surface)
+        }
+    }
+}
+
diff --git a/components/msg/platform/surface.rs b/components/msg/platform/surface.rs
new file mode 100644
index 00000000000..eee8dfa5598
--- /dev/null
+++ b/components/msg/platform/surface.rs
@@ -0,0 +1,12 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//! Declarations of types for cross-process surfaces.
+
+use azure::AzSkiaGrGLSharedSurfaceRef;
+
+pub trait NativeSurfaceAzureMethods {
+    fn from_azure_surface(surface: AzSkiaGrGLSharedSurfaceRef) -> Self;
+}
+