blob: 58d46c7a60a23172649c8f7fb34ed8da6ceca524 (
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/****************************************************************************
**
** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.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 <Qt3DRender/private/genericstate_p.h>
#include <Qt3DRender/private/renderstates_p.h>
#include <Qt3DRender/private/statevariant_p.h>
#include <QVector>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
class QRenderState;
namespace Render {
class SubmissionContext;
class RenderState;
class RenderStateSet
{
public:
RenderStateSet();
~RenderStateSet();
template<typename GenericState>
void addState(const GenericState &state)
{
addState(StateVariant::fromValue(state));
}
/**
* @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(SubmissionContext *gc);
StateMaskSet stateMask() const;
void merge(RenderStateSet *other);
void resetMasked(StateMaskSet maskOfStatesToReset, SubmissionContext* gc);
template<class State, typename ... Args>
static StateVariant createState(Args... values)
{
State state;
state.set(values...);
return StateVariant::fromValue(state);
}
static StateVariant initializeStateFromPeer(const Qt3DRender::QRenderStateCreatedChangeBasePtr change);
private:
/**
* @brief contains - check if this set contains a matching piece of state
* @param ds
* @return
*/
bool contains(const StateVariant &ds) const;
StateMaskSet m_stateMask;
QVector<StateVariant> m_states;
};
template<>
void RenderStateSet::addState<StateVariant>(const StateVariant &state);
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_RENDERSTATE_H
|
