1 files changed, 37 insertions, 0 deletions
diff --git a/gfx/layers/MacIOSurfaceHelpers.h b/gfx/layers/MacIOSurfaceHelpers.h
new file mode 100644
index 0000000000..1f16df2e80
--- /dev/null
+++ b/gfx/layers/MacIOSurfaceHelpers.h
@@ -0,0 +1,37 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef GFX_MACIOSURFACEHELPERS_H
+#define GFX_MACIOSURFACEHELPERS_H
+
+#include "ImageContainer.h"
+
+class MacIOSurface;
+template <class T>
+struct already_AddRefed;
+
+namespace mozilla {
+
+namespace gfx {
+class SourceSurface;
+}
+
+namespace layers {
+
+// Unlike MacIOSurface::GetAsSurface, this also handles IOSurface formats
+// with multiple planes and does YCbCr to RGB conversion, if necessary.
+already_AddRefed<gfx::SourceSurface> CreateSourceSurfaceFromMacIOSurface(
+    MacIOSurface* aSurface);
+
+nsresult CreateSurfaceDescriptorBufferFromMacIOSurface(
+    MacIOSurface* aSurface, SurfaceDescriptorBuffer& aSdBuffer,
+    Image::BuildSdbFlags aFlags,
+    const std::function<MemoryOrShmem(uint32_t)>& aAllocate);
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_MACIOSURFACEHELPERS_H