1/****************************************************************************
2**
3** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
4** Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
5** Contact: https://www.qt.io/licensing/
6**
7** This file is part of the Qt3D module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial License Usage
11** Licensees holding valid commercial Qt licenses may use this file in
12** accordance with the commercial license agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and The Qt Company. For licensing terms
15** and conditions see https://www.qt.io/terms-conditions. For further
16** information use the contact form at https://www.qt.io/contact-us.
17**
18** GNU Lesser General Public License Usage
19** Alternatively, this file may be used under the terms of the GNU Lesser
20** General Public License version 3 as published by the Free Software
21** Foundation and appearing in the file LICENSE.LGPL3 included in the
22** packaging of this file. Please review the following information to
23** ensure the GNU Lesser General Public License version 3 requirements
24** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
25**
26** GNU General Public License Usage
27** Alternatively, this file may be used under the terms of the GNU
28** General Public License version 2.0 or (at your option) the GNU General
29** Public license version 3 or any later version approved by the KDE Free
30** Qt Foundation. The licenses are as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
32** included in the packaging of this file. Please review the following
33** information to ensure the GNU General Public License requirements will
34** be met: https://www.gnu.org/licenses/gpl-2.0.html and
35** https://www.gnu.org/licenses/gpl-3.0.html.
36**
37** $QT_END_LICENSE$
38**
39****************************************************************************/
40
41#include "renderpass_p.h"
42#include <Qt3DRender/private/filterkey_p.h>
43#include <Qt3DRender/qrenderstate.h>
44#include <Qt3DRender/qrenderpass.h>
45#include <Qt3DRender/qparameter.h>
46
47#include <Qt3DRender/private/qrenderpass_p.h>
48#include <Qt3DRender/private/renderstates_p.h>
49
50#include <algorithm>
51
52QT_BEGIN_NAMESPACE
53
54using namespace Qt3DCore;
55
56namespace Qt3DRender {
57namespace Render {
58
59RenderPass::RenderPass()
60 : BackendNode()
61{
62}
63
64RenderPass::~RenderPass()
65{
66}
67
68void RenderPass::cleanup()
69{
70 QBackendNode::setEnabled(false);
71 m_renderStates.clear();
72 m_filterKeyList.clear();
73 m_parameterPack.clear();
74 m_shaderUuid = Qt3DCore::QNodeId();
75}
76
77void RenderPass::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
78{
79 BackendNode::syncFromFrontEnd(frontEnd, firstTime);
80 const QRenderPass *node = qobject_cast<const QRenderPass *>(object: frontEnd);
81 if (!node)
82 return;
83
84 if ((node->shaderProgram() && node->shaderProgram()->id() != m_shaderUuid) ||
85 (!node->shaderProgram() && !m_shaderUuid.isNull())) {
86 m_shaderUuid = node->shaderProgram() ? node->shaderProgram()->id() : QNodeId{};
87 }
88
89 auto filterList = qIdsForNodes(nodes: node->filterKeys());
90 std::sort(first: std::begin(cont&: filterList), last: std::end(cont&: filterList));
91 if (m_filterKeyList != filterList)
92 m_filterKeyList = filterList;
93
94 auto parameters = qIdsForNodes(nodes: node->parameters());
95 std::sort(first: std::begin(cont&: parameters), last: std::end(cont&: parameters));
96 if (m_parameterPack.parameters() != parameters)
97 m_parameterPack.setParameters(parameters);
98
99 auto renderStates = qIdsForNodes(nodes: node->renderStates());
100 std::sort(first: std::begin(cont&: renderStates), last: std::end(cont&: renderStates));
101 if (m_renderStates != renderStates)
102 m_renderStates = renderStates;
103
104 markDirty(changes: AbstractRenderer::AllDirty);
105}
106
107Qt3DCore::QNodeId RenderPass::shaderProgram() const
108{
109 return m_shaderUuid;
110}
111
112QVector<Qt3DCore::QNodeId> RenderPass::filterKeys() const
113{
114 return m_filterKeyList;
115}
116
117QVector<Qt3DCore::QNodeId> RenderPass::parameters() const
118{
119 return m_parameterPack.parameters();
120}
121
122QVector<QNodeId> RenderPass::renderStates() const
123{
124 return m_renderStates;
125}
126
127void RenderPass::appendFilterKey(Qt3DCore::QNodeId filterKeyId)
128{
129 if (!m_filterKeyList.contains(t: filterKeyId))
130 m_filterKeyList.append(t: filterKeyId);
131}
132
133void RenderPass::removeFilterKey(Qt3DCore::QNodeId filterKeyId)
134{
135 m_filterKeyList.removeOne(t: filterKeyId);
136}
137
138void RenderPass::addRenderState(QNodeId renderStateId)
139{
140 if (!m_renderStates.contains(t: renderStateId))
141 m_renderStates.push_back(t: renderStateId);
142}
143
144void RenderPass::removeRenderState(QNodeId renderStateId)
145{
146 m_renderStates.removeOne(t: renderStateId);
147}
148
149
150} // namespace Render
151} // namespace Qt3DRender
152
153QT_END_NAMESPACE
154

source code of qt3d/src/render/materialsystem/renderpass.cpp