1// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "clearbuffers_p.h"
5#include <Qt3DRender/private/qclearbuffers_p.h>
6
7QT_BEGIN_NAMESPACE
8
9
10namespace Qt3DRender {
11namespace Render {
12
13using namespace Qt3DCore;
14
15static QVector4D vec4dFromColor(const QColor &color)
16{
17 if (!color.isValid())
18 return QVector4D(0.0f, 0.0f, 0.0f, 1.0f);
19 return QVector4D(float(color.redF()), float(color.greenF()), float(color.blueF()), float(color.alphaF()));
20}
21
22ClearBuffers::ClearBuffers()
23 : FrameGraphNode(FrameGraphNode::ClearBuffers)
24 , m_type(QClearBuffers::None)
25 , m_clearColorAsColor(Qt::black)
26 , m_clearColor(vec4dFromColor(color: m_clearColorAsColor))
27 , m_clearDepthValue(1.f)
28 , m_clearStencilValue(0)
29{
30}
31
32void ClearBuffers::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
33{
34 const QClearBuffers *node = qobject_cast<const QClearBuffers *>(object: frontEnd);
35 if (!node)
36 return;
37
38 FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime);
39
40 if (m_clearColorAsColor != node->clearColor()) {
41 m_clearColorAsColor = node->clearColor();
42 m_clearColor = vec4dFromColor(color: node->clearColor());
43 markDirty(changes: AbstractRenderer::FrameGraphDirty);
44 }
45
46 if (!qFuzzyCompare(p1: m_clearDepthValue, p2: node->clearDepthValue())) {
47 m_clearDepthValue = node->clearDepthValue();
48 markDirty(changes: AbstractRenderer::FrameGraphDirty);
49 }
50
51 if (m_clearStencilValue != node->clearStencilValue()) {
52 m_clearStencilValue = node->clearStencilValue();
53 markDirty(changes: AbstractRenderer::FrameGraphDirty);
54 }
55
56 const QNodeId colorBufferId = qIdForNode(node: node->colorBuffer());
57 if (m_colorBufferId != colorBufferId) {
58 m_colorBufferId = colorBufferId;
59 markDirty(changes: AbstractRenderer::FrameGraphDirty);
60 }
61
62 if (m_type != node->buffers()) {
63 m_type = node->buffers();
64 markDirty(changes: AbstractRenderer::FrameGraphDirty);
65 }
66}
67
68QClearBuffers::BufferType ClearBuffers::type() const
69{
70 return m_type;
71}
72
73QColor ClearBuffers::clearColorAsColor() const
74{
75 return m_clearColorAsColor;
76}
77
78QVector4D ClearBuffers::clearColor() const
79{
80 return m_clearColor;
81}
82
83float ClearBuffers::clearDepthValue() const
84{
85 return m_clearDepthValue;
86}
87
88int ClearBuffers::clearStencilValue() const
89{
90 return m_clearStencilValue;
91}
92
93Qt3DCore::QNodeId ClearBuffers::bufferId() const
94{
95 return m_colorBufferId;
96}
97
98bool ClearBuffers::clearsAllColorBuffers() const
99{
100 return m_colorBufferId.isNull();
101}
102
103} // namespace Render
104} // namespace Qt3DRender
105
106QT_END_NAMESPACE
107

source code of qt3d/src/render/framegraph/clearbuffers.cpp