Home | History | Annotate | Download | only in custom 
      1 /*
      2  * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1. Redistributions of source code must retain the above
      9  *    copyright notice, this list of conditions and the following
     10  *    disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above
     12  *    copyright notice, this list of conditions and the following
     13  *    disclaimer in the documentation and/or other materials
     14  *    provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AS IS AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
     20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
     21  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
     25  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
     26  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 
     30 #ifndef CustomFilterMesh_h
     31 #define CustomFilterMesh_h
     32 
     33 #include "core/platform/graphics/FloatRect.h"
     34 #include "core/platform/graphics/GraphicsTypes3D.h"
     35 #include "core/platform/graphics/filters/custom/CustomFilterOperation.h"
     36 #include "wtf/RefCounted.h"
     37 
     38 namespace WebCore {
     39 
     40 class GraphicsContext3D;
     41 
     42 class CustomFilterMesh : public RefCounted<CustomFilterMesh> {
     43 public:
     44     static PassRefPtr<CustomFilterMesh> create(GraphicsContext3D* context, unsigned cols, unsigned rows, const FloatRect& meshBox, CustomFilterMeshType meshType)
     45     {
     46         return adoptRef(new CustomFilterMesh(context, cols, rows, meshBox, meshType));
     47     }
     48     ~CustomFilterMesh();
     49 
     50     Platform3DObject verticesBufferObject() const { return m_verticesBufferObject; }
     51     unsigned bytesPerVertex() const { return m_bytesPerVertex; }
     52 
     53     Platform3DObject elementsBufferObject() const { return m_elementsBufferObject; }
     54     unsigned indicesCount() const { return m_indicesCount; }
     55 
     56     const FloatRect& meshBox() const { return m_meshBox; }
     57     CustomFilterMeshType meshType() const { return m_meshType; }
     58 
     59 private:
     60     CustomFilterMesh(GraphicsContext3D*, unsigned cols, unsigned rows, const FloatRect& meshBox, CustomFilterMeshType);
     61 
     62     GraphicsContext3D* m_context;
     63 
     64     Platform3DObject m_verticesBufferObject;
     65     unsigned m_bytesPerVertex;
     66 
     67     Platform3DObject m_elementsBufferObject;
     68     unsigned m_indicesCount;
     69 
     70     FloatRect m_meshBox;
     71     CustomFilterMeshType m_meshType;
     72 };
     73 
     74 } // namespace WebCore
     75 
     76 #endif // CustomFilterMesh_h
     77