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
|
// Copyright 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "config.h"
#if USE(ACCELERATED_COMPOSITING)
#include "ContentLayerChromium.h"
#include "BitmapCanvasLayerTextureUpdater.h"
#include "BitmapSkPictureCanvasLayerTextureUpdater.h"
#include "CCLayerTreeHost.h"
#include "CCSettings.h"
#include "ContentLayerChromiumClient.h"
#include "FrameBufferSkPictureCanvasLayerTextureUpdater.h"
#include "LayerPainterChromium.h"
#include <public/Platform.h>
#include <wtf/CurrentTime.h>
namespace WebCore {
ContentLayerPainter::ContentLayerPainter(ContentLayerChromiumClient* client)
: m_client(client)
{
}
PassOwnPtr<ContentLayerPainter> ContentLayerPainter::create(ContentLayerChromiumClient* client)
{
return adoptPtr(new ContentLayerPainter(client));
}
void ContentLayerPainter::paint(SkCanvas* canvas, const IntRect& contentRect, FloatRect& opaque)
{
double paintStart = currentTime();
m_client->paintContents(canvas, contentRect, opaque);
double paintEnd = currentTime();
double pixelsPerSec = (contentRect.width() * contentRect.height()) / (paintEnd - paintStart);
WebKit::Platform::current()->histogramCustomCounts("Renderer4.AccelContentPaintDurationMS", (paintEnd - paintStart) * 1000, 0, 120, 30);
WebKit::Platform::current()->histogramCustomCounts("Renderer4.AccelContentPaintMegapixPerSecond", pixelsPerSec / 1000000, 10, 210, 30);
}
PassRefPtr<ContentLayerChromium> ContentLayerChromium::create(ContentLayerChromiumClient* client)
{
return adoptRef(new ContentLayerChromium(client));
}
ContentLayerChromium::ContentLayerChromium(ContentLayerChromiumClient* client)
: TiledLayerChromium()
, m_client(client)
{
}
ContentLayerChromium::~ContentLayerChromium()
{
}
bool ContentLayerChromium::drawsContent() const
{
return TiledLayerChromium::drawsContent() && m_client;
}
void ContentLayerChromium::setTexturePriorities(const CCPriorityCalculator& priorityCalc)
{
// Update the tile data before creating all the layer's tiles.
updateTileSizeAndTilingOption();
TiledLayerChromium::setTexturePriorities(priorityCalc);
}
void ContentLayerChromium::update(CCTextureUpdateQueue& queue, const CCOcclusionTracker* occlusion, CCRenderingStats& stats)
{
createTextureUpdaterIfNeeded();
TiledLayerChromium::update(queue, occlusion, stats);
m_needsDisplay = false;
}
bool ContentLayerChromium::needMoreUpdates()
{
return needsIdlePaint();
}
void ContentLayerChromium::createTextureUpdaterIfNeeded()
{
if (m_textureUpdater)
return;
if (layerTreeHost()->settings().acceleratePainting)
m_textureUpdater = FrameBufferSkPictureCanvasLayerTextureUpdater::create(ContentLayerPainter::create(m_client));
else if (CCSettings::perTilePaintingEnabled())
m_textureUpdater = BitmapSkPictureCanvasLayerTextureUpdater::create(ContentLayerPainter::create(m_client));
else
m_textureUpdater = BitmapCanvasLayerTextureUpdater::create(ContentLayerPainter::create(m_client));
m_textureUpdater->setOpaque(opaque());
GC3Denum textureFormat = layerTreeHost()->rendererCapabilities().bestTextureFormat;
setTextureFormat(textureFormat);
setSampledTexelFormat(textureUpdater()->sampledTexelFormat(textureFormat));
}
void ContentLayerChromium::setOpaque(bool opaque)
{
LayerChromium::setOpaque(opaque);
if (m_textureUpdater)
m_textureUpdater->setOpaque(opaque);
}
}
#endif // USE(ACCELERATED_COMPOSITING)
|
