1 files changed, 84 insertions, 0 deletions
diff --git a/gfx/layers/composite/GPUVideoTextureHost.h b/gfx/layers/composite/GPUVideoTextureHost.h
new file mode 100644
index 0000000000..a9194e6a0f
--- /dev/null
+++ b/gfx/layers/composite/GPUVideoTextureHost.h
@@ -0,0 +1,84 @@
+/* -*- 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 MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H
+#define MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H
+
+#include "mozilla/layers/TextureHost.h"
+
+namespace mozilla {
+namespace layers {
+
+class GPUVideoTextureHost : public TextureHost {
+ public:
+  static GPUVideoTextureHost* CreateFromDescriptor(
+      TextureFlags aFlags, const SurfaceDescriptorGPUVideo& aDescriptor);
+
+  virtual ~GPUVideoTextureHost();
+
+  void DeallocateDeviceData() override {}
+
+  gfx::SurfaceFormat GetFormat() const override;
+
+  already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
+    return nullptr;  // XXX - implement this (for MOZ_DUMP_PAINTING)
+  }
+
+  gfx::YUVColorSpace GetYUVColorSpace() const override;
+  gfx::ColorDepth GetColorDepth() const override;
+  gfx::ColorRange GetColorRange() const override;
+
+  gfx::IntSize GetSize() const override;
+
+  bool IsValid() override;
+
+#ifdef MOZ_LAYERS_HAVE_LOG
+  const char* Name() override { return "GPUVideoTextureHost"; }
+#endif
+
+  void CreateRenderTexture(
+      const wr::ExternalImageId& aExternalImageId) override;
+
+  void MaybeDestroyRenderTexture() override;
+
+  uint32_t NumSubTextures() override;
+
+  void PushResourceUpdates(wr::TransactionBuilder& aResources,
+                           ResourceUpdateOp aOp,
+                           const Range<wr::ImageKey>& aImageKeys,
+                           const wr::ExternalImageId& aExtID) override;
+
+  void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
+                        const wr::LayoutRect& aBounds,
+                        const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
+                        const Range<wr::ImageKey>& aImageKeys,
+                        PushDisplayItemFlagSet aFlags) override;
+
+  bool SupportsExternalCompositing(WebRenderBackend aBackend) override;
+
+  void UnbindTextureSource() override;
+
+  void NotifyNotUsed() override;
+
+  bool IsWrappingBufferTextureHost() override;
+  bool IsWrappingSurfaceTextureHost() override;
+
+  TextureHostType GetTextureHostType() override;
+
+ protected:
+  GPUVideoTextureHost(TextureFlags aFlags,
+                      const SurfaceDescriptorGPUVideo& aDescriptor);
+
+  TextureHost* EnsureWrappedTextureHost();
+
+  RefPtr<TextureHost> mWrappedTextureHost;
+  SurfaceDescriptorGPUVideo mDescriptor;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // MOZILLA_GFX_GPUVIDEOTEXTUREHOST_H