1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtDeclarative module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
14 ** General Public License version 2.1 requirements will be met:
15 ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
17 ** In addition, as a special exception, Nokia gives you certain additional
18 ** rights. These rights are described in the Nokia Qt LGPL Exception
19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
24 ** and appearing in the file LICENSE.GPL included in the packaging of this
25 ** file. Please review the following information to ensure the GNU General
26 ** Public License version 3.0 requirements will be met:
27 ** http://www.gnu.org/copyleft/gpl.html.
30 ** Alternatively, this file may be used in accordance with the terms and
31 ** conditions contained in a signed written agreement between you and Nokia.
40 ****************************************************************************/
45 #include "qsgrenderer_p.h"
47 #include <QtGui/private/qdatabuffer_p.h>
53 class QSGDefaultRenderer : public QSGRenderer
57 class IndexGeometryNodePair : public QPair<int, QSGGeometryNode *>
60 IndexGeometryNodePair(int i, QSGGeometryNode *n);
61 bool operator < (const IndexGeometryNodePair &other) const;
66 class IndexGeometryNodePairHeap
69 IndexGeometryNodePairHeap();
70 void insert(const IndexGeometryNodePair &x);
71 const IndexGeometryNodePair &top() const { return v.first(); }
72 IndexGeometryNodePair pop();
73 bool isEmpty() const { return v.isEmpty(); }
75 static int parent(int i) { return (i - 1) >> 1; }
76 static int left(int i) { return (i << 1) | 1; }
77 static int right(int i) { return (i + 1) << 1; }
78 QDataBuffer<IndexGeometryNodePair> v;
81 QSGDefaultRenderer(QSGContext *context);
85 void nodeChanged(QSGNode *node, QSGNode::DirtyState state);
87 void setSortFrontToBackEnabled(bool sort);
88 bool isSortFrontToBackEnabled() const;
91 void buildLists(QSGNode *node);
92 void renderNodes(const QDataBuffer<QSGGeometryNode *> &list);
94 const QSGClipNode *m_currentClip;
95 QSGMaterial *m_currentMaterial;
96 QSGMaterialShader *m_currentProgram;
97 const QMatrix4x4 *m_currentMatrix;
98 QMatrix4x4 m_renderOrderMatrix;
99 QDataBuffer<QSGGeometryNode *> m_opaqueNodes;
100 QDataBuffer<QSGGeometryNode *> m_transparentNodes;
101 QDataBuffer<QSGGeometryNode *> m_tempNodes;
102 IndexGeometryNodePairHeap m_heap;
104 bool m_rebuild_lists;
105 bool m_needs_sorting;
106 bool m_sort_front_to_back;
107 int m_currentRenderOrder;
109 #ifdef QML_RUNTIME_TESTING
110 bool m_render_opaque_nodes;
111 bool m_render_alpha_nodes;
119 #endif // QMLRENDERER_H