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
114
115
116
117
118
119
120
121
122
123
124
125
126
|
/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "textureitem.h"
#include "qsgtexture.h"
#include "qsgitem_p.h"
#include "adaptationlayer.h"
#include "renderer.h"
#include "qsgcanvas_p.h"
#include "qglframebufferobject.h"
#include "qmath.h"
QT_BEGIN_NAMESPACE
TextureItem::TextureItem(QSGItem *parent)
: QSGItem(parent)
, m_textureProvider(0)
, m_wrapMode(ClampToEdge)
, m_requiresPreprocess(false)
{
setFlag(ItemHasContents);
}
QSGTextureProvider *TextureItem::textureProvider() const
{
return m_textureProvider;
}
void TextureItem::setTextureProvider(QSGTextureProvider *provider, bool requiresPreprocess)
{
Q_ASSERT(m_textureProvider == 0); // Can only be set once.
m_textureProvider = provider;
m_requiresPreprocess = requiresPreprocess;
}
TextureItem::WrapMode TextureItem::wrapMode() const
{
return m_wrapMode;
}
void TextureItem::setWrapMode(WrapMode mode)
{
if (mode == m_wrapMode)
return;
m_wrapMode = mode;
update();
emit wrapModeChanged();
}
Node *TextureItem::updatePaintNode(Node *oldNode, UpdatePaintNodeData *)
{
TextureNodeInterface *node = static_cast<TextureNodeInterface *>(oldNode);
if (!node) {
node = QSGContext::current->createTextureNode();
node->setFlag(Node::UsePreprocess, m_requiresPreprocess);
node->setTexture(m_textureProvider);
}
QSGTextureProvider::WrapMode hWrap = QSGTextureProvider::ClampToEdge;
QSGTextureProvider::WrapMode vWrap = QSGTextureProvider::ClampToEdge;
switch (m_wrapMode) {
case RepeatHorizontally:
hWrap = QSGTextureProvider::Repeat;
break;
case RepeatVertically:
vWrap = QSGTextureProvider::Repeat;
break;
case Repeat:
hWrap = vWrap = QSGTextureProvider::Repeat;
break;
default:
break;
}
m_textureProvider->setHorizontalWrapMode(hWrap);
m_textureProvider->setVerticalWrapMode(vWrap);
m_textureProvider->setFiltering(QSGItemPrivate::get(this)->smooth
? QSGTextureProvider::Linear : QSGTextureProvider::Nearest);
node->setTargetRect(QRectF(0, 0, width(), height()));
node->setSourceRect(QRectF(0, 0, 1, 1));
node->update();
return node;
}
QT_END_NAMESPACE
|
