1 files changed, 56 insertions, 0 deletions
diff --git a/gfx/layers/mlgpu/TextureSourceProviderMLGPU.h b/gfx/layers/mlgpu/TextureSourceProviderMLGPU.h
new file mode 100644
index 0000000000..4210206c72
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+++ b/gfx/layers/mlgpu/TextureSourceProviderMLGPU.h
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+/* -*- 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_layers_mlgpu_TextureSourceProviderMLGPU_h
+#define mozilla_gfx_layers_mlgpu_TextureSourceProviderMLGPU_h
+
+#include "mozilla/layers/TextureSourceProvider.h"
+
+namespace mozilla {
+namespace layers {
+
+class MLGDevice;
+class LayerManagerMLGPU;
+
+class TextureSourceProviderMLGPU final : public TextureSourceProvider {
+ public:
+  TextureSourceProviderMLGPU(LayerManagerMLGPU* aLayerManager,
+                             MLGDevice* aDevice);
+  virtual ~TextureSourceProviderMLGPU();
+
+  already_AddRefed<DataTextureSource> CreateDataTextureSource(
+      TextureFlags aFlags) override;
+
+  already_AddRefed<DataTextureSource> CreateDataTextureSourceAround(
+      gfx::DataSourceSurface* aSurface) override;
+
+  void UnlockAfterComposition(TextureHost* aTexture) override;
+  bool NotifyNotUsedAfterComposition(TextureHost* aTextureHost) override;
+
+  int32_t GetMaxTextureSize() const override;
+  TimeStamp GetLastCompositionEndTime() const override;
+  bool SupportsEffect(EffectTypes aEffect) override;
+  bool IsValid() const override;
+
+#ifdef XP_WIN
+  ID3D11Device* GetD3D11Device() const override;
+#endif
+
+  void ReadUnlockTextures() { TextureSourceProvider::ReadUnlockTextures(); }
+
+  // Release references to the layer manager.
+  void Destroy() override;
+
+ private:
+  // Using RefPtr<> here would be a circular reference.
+  LayerManagerMLGPU* mLayerManager;
+  RefPtr<MLGDevice> mDevice;
+};
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // mozilla_gfx_layers_mlgpu_TextureSourceProviderMLGPU_h