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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright (C) 2022 Sony Interactive Entertainment Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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 AND CONTRIBUTORS
* "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
* HOLDER 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.
*/
#include "config.h"
#include "TextureMapperSparseBackingStore.h"
#if USE(GRAPHICS_LAYER_WC)
namespace WebCore {
TextureMapperSparseBackingStore::TextureMapperSparseBackingStore(int tileSize)
: m_tileSize(tileSize)
{
}
void TextureMapperSparseBackingStore::setSize(const IntSize& size)
{
if (m_size == size)
return;
m_tiles.clear();
m_size = size;
auto tiles = tileDimension();
for (int y = 0; y < tiles.height(); y++) {
for (int x = 0; x < tiles.width(); x++) {
IntRect rect = { x * m_tileSize, y * m_tileSize, m_tileSize, m_tileSize };
rect.intersect({ { }, m_size });
m_tiles.append(TextureMapperTile(rect));
}
}
}
void TextureMapperSparseBackingStore::removeUncoveredTiles(const IntRect& coverage)
{
auto minCoveredX = coverage.x() / m_tileSize;
auto maxCoveredX = (coverage.maxX() + m_tileSize - 1) / m_tileSize;
auto minCoveredY = coverage.y() / m_tileSize;
auto maxCoveredY = (coverage.maxY() + m_tileSize - 1) / m_tileSize;
auto tiles = tileDimension();
for (int y = 0; y < tiles.height(); y++) {
bool coveredY = minCoveredY <= y && y < maxCoveredY;
for (int x = 0; x < tiles.width(); x++) {
bool covered = coveredY && minCoveredX <= x && x < maxCoveredX;
if (!covered)
m_tiles[x + y * tiles.width()].setTexture(nullptr);
}
}
}
TransformationMatrix TextureMapperSparseBackingStore::adjustedTransformForRect(const FloatRect& targetRect)
{
return TransformationMatrix::rectToRect({ { }, m_size }, targetRect);
}
void TextureMapperSparseBackingStore::paintToTextureMapper(TextureMapper& textureMapper, const FloatRect& targetRect, const TransformationMatrix& transform, float opacity)
{
IntRect rect = { { }, m_size };
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
for (auto& tile : m_tiles)
tile.paint(textureMapper, adjustedTransform, opacity, calculateExposedTileEdges(rect, tile.rect()));
}
void TextureMapperSparseBackingStore::drawBorder(TextureMapper& textureMapper, const Color& borderColor, float borderWidth, const FloatRect& targetRect, const TransformationMatrix& transform)
{
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
for (auto& tile : m_tiles)
textureMapper.drawBorder(borderColor, borderWidth, tile.rect(), adjustedTransform);
}
void TextureMapperSparseBackingStore::drawRepaintCounter(TextureMapper& textureMapper, int repaintCount, const Color& borderColor, const FloatRect& targetRect, const TransformationMatrix& transform)
{
TransformationMatrix adjustedTransform = transform * adjustedTransformForRect(targetRect);
for (auto& tile : m_tiles)
textureMapper.drawNumber(repaintCount, borderColor, tile.rect().location(), adjustedTransform);
}
IntSize TextureMapperSparseBackingStore::tileDimension() const
{
return { (m_size.width() + m_tileSize - 1) / m_tileSize, (m_size.height() + m_tileSize - 1) / m_tileSize };
}
void TextureMapperSparseBackingStore::updateContents(TextureMapper& textureMapper, Image& image, const IntRect& dirtyRect)
{
for (auto& tile : m_tiles)
tile.updateContents(textureMapper, &image, dirtyRect);
}
} // namespace WebCore
#endif // USE(GRAPHICS_LAYER_WC)
|
