1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright 2010, The Android Open Source Project
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TileSet_h
#define TileSet_h
#if USE(ACCELERATED_COMPOSITING)
#include "BaseTile.h"
#include "Vector.h"
namespace WebCore {
/**
* This purpose of this class is to act as a container for BaseTiles that need
* to upload their contents to the GPU. A TiledPage creates a new TileSet and
* provides the set with identifying characteristics of the TiledPage's current
* state (see constructor). This information allows the consumer of the TileSet
* to determine if an equivalent TileSet already exists in the upload pipeline.
*/
class TileSet {
public:
TileSet(TiledPage* tiledPage, int nbRows, int nbCols);
~TileSet();
bool operator==(const TileSet& set);
void paint();
void add(BaseTile* texture)
{
m_tiles.append(texture);
}
TiledPage* page()
{
return m_tiledPage;
}
unsigned int size()
{
return m_tiles.size();
}
private:
Vector<BaseTile*> m_tiles;
TiledPage* m_tiledPage;
int m_nbRows;
int m_nbCols;
};
} // namespace WebCore
#endif // USE(ACCELERATED_COMPOSITING)
#endif // TileSet_h
|
