Mailbox support for texture layers.

cc/texture_layer_impl.h

Index: cc/texture_layer_impl.h
diff --git a/cc/texture_layer_impl.h b/cc/texture_layer_impl.h
index 47e9ca5686364fc635dbf8125c93cac023ff29b5..a3eb4147ef3fcb8a2f3ccfd338f95ac892850e0c 100644
--- a/cc/texture_layer_impl.h
+++ b/cc/texture_layer_impl.h
@@ -5,6 +5,8 @@
 #ifndef CC_TEXTURE_LAYER_IMPL_H_
 #define CC_TEXTURE_LAYER_IMPL_H_
 
+#include <string>

[danakj, 2013/01/02 16:17:22]

nit: space below <> headers

+#include "base/callback.h"
 #include "cc/cc_export.h"
 #include "cc/layer_impl.h"
 
@@ -12,9 +14,9 @@ namespace cc {
 
 class CC_EXPORT TextureLayerImpl : public LayerImpl {
 public:
-    static scoped_ptr<TextureLayerImpl> create(LayerTreeImpl* treeImpl, int id)
+    static scoped_ptr<TextureLayerImpl> create(LayerTreeImpl* treeImpl, int id, bool mailboxLayer = false)

[danakj, 2013/01/02 16:17:22]

no default values for parameters in chromium style

     {
-        return make_scoped_ptr(new TextureLayerImpl(treeImpl, id));
+        return make_scoped_ptr(new TextureLayerImpl(treeImpl, id, mailboxLayer));
     }
     virtual ~TextureLayerImpl();
 
@@ -37,17 +39,27 @@ public:
     // 0--3
     void setVertexOpacity(const float vertexOpacity[4]);
 
+    void setTextureMailbox(const std::string& mailboxName,

[danakj, 2013/01/02 16:17:22]

nit: don't line split (old style here still), or put the first parameter on a
new line as well so alignment doesn't depend on the function name.

[alexst (slow to review), 2013/01/02 19:31:35]

Done.

+                           const base::Callback<void(unsigned)>& releaseCallback);
+
 private:
-    TextureLayerImpl(LayerTreeImpl* treeImpl, int id);
+    TextureLayerImpl(LayerTreeImpl* treeImpl, int id, bool mailboxLayer);
 
     virtual const char* layerTypeAsString() const OVERRIDE;
 
+    void handleMailboxResources(ResourceProvider*);
+
     unsigned m_textureId;
     ResourceProvider::ResourceId m_externalTextureResource;
     bool m_premultipliedAlpha;
     bool m_flipped;
     gfx::RectF m_uvRect;
     float m_vertexOpacity[4];
+
+    bool m_newMailboxPending;
+    std::string m_mailboxName;
+    bool m_mailboxLayer;
+    base::Callback<void(unsigned)> m_mailboxReleaseCallback;
 };
 
 }