Home | History | Annotate | Download | only in layers 
      1 // Copyright 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CC_LAYERS_QUAD_SINK_H_
      6 #define CC_LAYERS_QUAD_SINK_H_
      7 
      8 #include "base/memory/scoped_ptr.h"
      9 #include "cc/base/cc_export.h"
     10 
     11 namespace cc {
     12 
     13 class DrawQuad;
     14 class SharedQuadState;
     15 
     16 struct AppendQuadsData;
     17 
     18 class CC_EXPORT QuadSink {
     19  public:
     20   virtual ~QuadSink() {}
     21 
     22   // Call this to add a SharedQuadState before appending quads that refer to it.
     23   // Returns a pointer to the given SharedQuadState for convenience, that can be
     24   // set on the quads to append.
     25   virtual SharedQuadState* UseSharedQuadState(
     26       scoped_ptr<SharedQuadState> shared_quad_state) = 0;
     27 
     28   // Returns true if the quad is added to the list, and false if the quad is
     29   // entirely culled.
     30   virtual bool Append(scoped_ptr<DrawQuad> draw_quad,
     31                       AppendQuadsData* append_quads_data) = 0;
     32 };
     33 
     34 }  // namespace cc
     35 
     36 #endif  // CC_LAYERS_QUAD_SINK_H_
     37