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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 "platform/geometry/FloatRect.h"
34 #include "platform/graphics/GraphicsTypes3D.h"
35 #include "platform/graphics/filters/custom/CustomFilterOperation.h"
36 #include "wtf/RefCounted.h"
37 
38 namespace WebCore {
39 
40 class GraphicsContext3D;
41 
42 class PLATFORM_EXPORT CustomFilterMesh : public RefCounted<CustomFilterMesh> {
43 public:
create(GraphicsContext3D * context,unsigned cols,unsigned rows,const FloatRect & meshBox,CustomFilterMeshType meshType)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 
verticesBufferObject()50     Platform3DObject verticesBufferObject() const { return m_verticesBufferObject; }
bytesPerVertex()51     unsigned bytesPerVertex() const { return m_bytesPerVertex; }
52 
elementsBufferObject()53     Platform3DObject elementsBufferObject() const { return m_elementsBufferObject; }
indicesCount()54     unsigned indicesCount() const { return m_indicesCount; }
55 
meshBox()56     const FloatRect& meshBox() const { return m_meshBox; }
meshType()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