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39
40#include "attribute_p.h"
41#include <Qt3DRender/qbuffer.h>
42#include <Qt3DRender/private/qattribute_p.h>
43#include <Qt3DRender/private/stringtoint_p.h>
44
45QT_BEGIN_NAMESPACE
46
47using namespace Qt3DCore;
48
49namespace Qt3DRender {
50namespace Render {
51
52Attribute::Attribute()
53 : BackendNode(ReadOnly)
54 , m_nameId(0)
55 , m_vertexBaseType(QAttribute::Float)
56 , m_vertexSize(1)
57 , m_count(0)
58 , m_byteStride(0)
59 , m_byteOffset(0)
60 , m_divisor(0)
61 , m_attributeType(QAttribute::VertexAttribute)
62 , m_attributeDirty(false)
63{
64}
65
66Attribute::~Attribute()
67{
68}
69
70void Attribute::cleanup()
71{
72 m_vertexBaseType = QAttribute::Float;
73 m_vertexSize = 1;
74 m_count = 0;
75 m_byteStride = 0;
76 m_byteOffset = 0;
77 m_divisor = 0;
78 m_attributeType = QAttribute::VertexAttribute;
79 m_bufferId = Qt3DCore::QNodeId();
80 m_name.clear();
81 m_attributeDirty = false;
82 m_nameId = 0;
83}
84
85void Attribute::syncFromFrontEnd(const QNode *frontEnd, bool firstTime)
86{
87 BackendNode::syncFromFrontEnd(frontEnd, firstTime);
88 const QAttribute *node = qobject_cast<const QAttribute *>(object: frontEnd);
89 if (!node)
90 return;
91
92 m_attributeDirty = firstTime;
93 if (m_name != node->name()) {
94 m_name = node->name();
95 m_nameId = StringToInt::lookupId(str: m_name);
96 m_attributeDirty = true;
97 }
98 if (m_vertexBaseType != node->vertexBaseType()) {
99 m_vertexBaseType = node->vertexBaseType();
100 m_attributeDirty = true;
101 }
102 if (m_vertexSize != node->vertexSize()) {
103 m_vertexSize = node->vertexSize();
104 m_attributeDirty = true;
105 }
106 if (m_count != node->count()) {
107 m_count = node->count();
108 m_attributeDirty = true;
109 }
110 if (m_byteStride != node->byteStride()) {
111 m_byteStride = node->byteStride();
112 m_attributeDirty = true;
113 }
114 if (m_byteOffset != node->byteOffset()) {
115 m_byteOffset = node->byteOffset();
116 m_attributeDirty = true;
117 }
118 if (m_divisor != node->divisor()) {
119 m_divisor = node->divisor();
120 m_attributeDirty = true;
121 }
122 if (m_attributeType != node->attributeType()) {
123 m_attributeType = node->attributeType();
124 m_attributeDirty = true;
125 }
126 const auto bufferId = node->buffer() ? node->buffer()->id() : QNodeId{};
127 if (bufferId != m_bufferId) {
128 m_bufferId = bufferId;
129 m_attributeDirty = true;
130 }
131
132 markDirty(changes: AbstractRenderer::AllDirty);
133}
134
135void Attribute::unsetDirty()
136{
137 m_attributeDirty = false;
138}
139
140} // namespace Render
141} // namespace Qt3DRender
142
143QT_END_NAMESPACE
144

source code of qt3d/src/render/geometry/attribute.cpp