blob: 710c06ce3742a4780fe04ca98c70eab522305dbb (
plain)
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
|
/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Copyright (C) 2015 The Qt Company Ltd and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_RENDER_RENDERSTATE_H
#define QT3DRENDER_RENDER_RENDERSTATE_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <Qt3DRenderer/private/genericstate_p.h>
#include <QVector>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
class QRenderState;
namespace Render {
class GraphicsContext;
class RenderState;
class RenderStateSet
{
public:
RenderStateSet();
~RenderStateSet();
void addState(RenderState* ds);
/**
* @brief changeCost - metric of cost to change to this state-set from
* a candidate previous state-set. This is used to find an optimal
* ordering of state-sets when sending draw commands.
* @param previousState
* @return
*/
int changeCost(RenderStateSet* previousState);
void apply(GraphicsContext* gc);
StateMaskSet stateMask() const;
void merge(RenderStateSet *other);
void resetMasked(StateMaskSet maskOfStatesToReset, GraphicsContext* gc);
private:
/**
* @brief contains - check if this set contains a matching piece of state
* @param ds
* @return
*/
bool contains(RenderState* ds) const;
QVector<RenderState*> m_states;
StateMaskSet m_stateMask;
RenderStateSet* m_cachedPrevious;
QVector<RenderState*> m_cachedDeltaStates;
};
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RENDERSTATE_H
|
