1/*
2 * Copyright (C) 2010 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef WKCAImageQueue_h
27#define WKCAImageQueue_h
28
29#if USE(ACCELERATED_COMPOSITING)
30
31typedef const void * CFTypeRef;
32typedef const struct __CFDictionary * CFDictionaryRef;
33
34#include <stdint.h>
35#include <wtf/OwnPtr.h>
36
37namespace WebCore {
38
39class WKCAImageQueuePrivate;
40
41class WKCAImageQueue {
42public:
43    enum Flags {
44        Async = 1U << 0,
45        Fill  = 1U << 1,
46        Protected = 1U << 2,
47        UseCleanAperture = 1U << 3,
48        UseAspectRatio = 1U << 4,
49        LowQualityColor = 1U << 5,
50    };
51
52    enum ImageType {
53        Nil = 1,
54        Surface,
55        Buffer,
56        IOSurface,
57    };
58
59    enum ImageFlags {
60        Opaque = 1U << 0,
61        Flush = 1U << 1,
62        WillFlush = 1U << 2,
63        Flipped = 1U << 3,
64        WaitGPU = 1U << 4,
65    };
66
67    typedef void (*ReleaseCallback)(unsigned int type, uint64_t id, void* info);
68
69    WKCAImageQueue(uint32_t width, uint32_t height, uint32_t capacity);
70    ~WKCAImageQueue(void);
71
72    size_t collect();
73
74    bool insertImage(double t, unsigned int type, uint64_t id, uint32_t flags, ReleaseCallback release, void* info);
75    uint64_t registerPixelBuffer(void *data, size_t data_size, size_t rowbytes, size_t width, size_t height, uint32_t pixel_format, CFDictionaryRef attachments, uint32_t flags);
76
77    uint32_t flags() const;
78    void setFlags(uint32_t mask, uint32_t flags);
79
80    CFTypeRef get();
81
82private:
83    WKCAImageQueue(const WKCAImageQueue&);
84    WKCAImageQueue& operator=(const WKCAImageQueue&);
85    OwnPtr<WKCAImageQueuePrivate> m_private;
86};
87
88}
89
90#endif
91
92#endif
93