Initial import.

1 files changed, 36 insertions, 0 deletions

diff --git a/chromium/cc/layers/texture_layer_client.h b/chromium/cc/layers/texture_layer_client.h
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index 00000000000..73d34b30775
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+++ b/chromium/cc/layers/texture_layer_client.h
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+// Copyright 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CC_LAYERS_TEXTURE_LAYER_CLIENT_H_
+#define CC_LAYERS_TEXTURE_LAYER_CLIENT_H_
+
+namespace WebKit { class WebGraphicsContext3D; }
+
+namespace cc {
+class ResourceUpdateQueue;
+class TextureMailbox;
+
+class TextureLayerClient {
+ public:
+  // Called to prepare this layer's texture for compositing.
+  // Returns the texture ID to be used for compositing.
+  virtual unsigned PrepareTexture() = 0;
+
+  // Returns the context that is providing the texture. Used for rate limiting
+  // and detecting lost context.
+  virtual WebKit::WebGraphicsContext3D* Context3d() = 0;
+
+  // Returns true and provides a mailbox if a new frame is available.
+  // Returns false if no new data is available
+  // and the old mailbox is to be reused.
+  virtual bool PrepareTextureMailbox(TextureMailbox* mailbox,
+                                     bool use_shared_memory) = 0;
+
+ protected:
+  virtual ~TextureLayerClient() {}
+};
+
+}  // namespace cc
+
+#endif  // CC_LAYERS_TEXTURE_LAYER_CLIENT_H_