cc/CCQuadSink.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 CCQuadSink_h
   6 #define CCQuadSink_h
   7
   8 #include <wtf/PassOwnPtr.h>
   9
  10 namespace WebCore {
  11
  12 class CCDrawQuad;
  13
  14 struct CCAppendQuadsData;
  15 struct CCSharedQuadState;
  16
  17 class CCQuadSink {
  18 public:
  19     virtual ~CCQuadSink() { }
  20
  21     // Call this to add a SharedQuadState before appending quads that refer to it. Returns a pointer
  22     // to the given SharedQuadState for convenience, that can be set on the quads to append.
  23     virtual CCSharedQuadState* useSharedQuadState(PassOwnPtr<CCSharedQuadState>) = 0;
  24
  25     // Returns true if the quad is added to the list, and false if the quad is entirely culled.
  26     virtual bool append(PassOwnPtr<CCDrawQuad> passDrawQuad, CCAppendQuadsData&) = 0;
  27 };
  28
  29 }
  30 #endif // CCQuadCuller_h