1 files changed, 78 insertions, 0 deletions
diff --git a/gfx/layers/MacIOSurfaceImage.h b/gfx/layers/MacIOSurfaceImage.h
new file mode 100644
index 0000000000..59c8d44144
--- /dev/null
+++ b/gfx/layers/MacIOSurfaceImage.h
@@ -0,0 +1,78 @@
+/* -*- 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_MACIOSURFACEIMAGE_H
+#define GFX_MACIOSURFACEIMAGE_H
+
+#include "ImageContainer.h"
+#include "mozilla/gfx/MacIOSurface.h"
+#include "mozilla/gfx/Point.h"
+#include "mozilla/layers/TextureClient.h"
+
+namespace mozilla {
+
+namespace layers {
+
+class MacIOSurfaceImage : public Image {
+ public:
+  explicit MacIOSurfaceImage(MacIOSurface* aSurface)
+      : Image(nullptr, ImageFormat::MAC_IOSURFACE), mSurface(aSurface) {
+    if (aSurface) {
+      mPictureRect = gfx::IntRect(
+          gfx::IntPoint{}, gfx::IntSize(aSurface->GetDevicePixelWidth(0),
+                                        aSurface->GetDevicePixelHeight(0)));
+    }
+  }
+
+  bool SetData(ImageContainer* aContainer, const PlanarYCbCrData& aData);
+
+  MacIOSurface* GetSurface() { return mSurface; }
+
+  gfx::IntSize GetSize() const override {
+    return gfx::IntSize::Truncate(mSurface->GetDevicePixelWidth(),
+                                  mSurface->GetDevicePixelHeight());
+  }
+
+  already_AddRefed<gfx::SourceSurface> GetAsSourceSurface() override;
+
+  nsresult BuildSurfaceDescriptorBuffer(
+      SurfaceDescriptorBuffer& aSdBuffer, BuildSdbFlags aFlags,
+      const std::function<MemoryOrShmem(uint32_t)>& aAllocate) override;
+
+  TextureClient* GetTextureClient(KnowsCompositor* aKnowsCompositor) override;
+
+  MacIOSurfaceImage* AsMacIOSurfaceImage() override { return this; }
+
+  gfx::IntRect GetPictureRect() const override { return mPictureRect; }
+
+  gfx::ColorDepth GetColorDepth() const override;
+
+ private:
+  RefPtr<MacIOSurface> mSurface;
+  RefPtr<TextureClient> mTextureClient;
+  gfx::IntRect mPictureRect;
+};
+
+class MacIOSurfaceRecycleAllocator {
+ public:
+  NS_INLINE_DECL_THREADSAFE_REFCOUNTING(MacIOSurfaceRecycleAllocator)
+
+  already_AddRefed<MacIOSurface> Allocate(
+      const gfx::IntSize aYSize, const gfx::IntSize& aCbCrSize,
+      gfx::YUVColorSpace aYUVColorSpace,
+      gfx::TransferFunction aTransferFunction, gfx::ColorRange aColorRange,
+      gfx::ColorDepth aColorDepth);
+
+ private:
+  ~MacIOSurfaceRecycleAllocator() = default;
+
+  nsTArray<CFTypeRefPtr<IOSurfaceRef>> mSurfaces;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_SHAREDTEXTUREIMAGE_H