cc/quad_sink.h

   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_QUAD_SINK_H_
   6 #define CC_QUAD_SINK_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/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. Returns a pointer
  23     // to the given SharedQuadState for convenience, that can be set on the quads to append.
  24     virtual SharedQuadState* useSharedQuadState(scoped_ptr<SharedQuadState>) = 0;
  25
  26     // Returns true if the quad is added to the list, and false if the quad is entirely culled.
  27     virtual bool append(scoped_ptr<DrawQuad> passDrawQuad, AppendQuadsData&) = 0;
  28 };
  29
  30 }
  31 #endif  // CC_QUAD_SINK_H_