1/*
2 * Copyright (c) 2010, Google Inc. 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef Texture_h
32#define Texture_h
33
34#include "TilingData.h"
35#include <wtf/OwnPtr.h>
36#include <wtf/PassOwnPtr.h>
37#include <wtf/RefCounted.h>
38#include <wtf/RefPtr.h>
39#include <wtf/Vector.h>
40
41namespace WebCore {
42class GraphicsContext3D;
43
44class IntRect;
45
46class Texture : public RefCounted<Texture> {
47public:
48    ~Texture();
49    enum Format { RGBA8, BGRA8 };
50    static PassRefPtr<Texture> create(GraphicsContext3D*, Format, int width, int height);
51    void bindTile(int tile);
52    void load(void* pixels);
53    void updateSubRect(void* pixels, const IntRect&);
54    Format format() const { return m_format; }
55    const TilingData& tiles() const { return m_tiles; }
56private:
57    Texture(GraphicsContext3D*, PassOwnPtr<Vector<unsigned int> > tileTextureIds, Format format, int width, int height, int maxTextureSize);
58    GraphicsContext3D* m_context;
59    Format m_format;
60    TilingData m_tiles;
61    OwnPtr<Vector<unsigned int> > m_tileTextureIds;
62};
63
64}
65
66#endif // Texture_h
67