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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "uniformmodel.h"
QT_BEGIN_NAMESPACE
UniformModel::UniformModel(QObject *parent)
: QAbstractListModel(parent)
{
}
void UniformModel::setModelData(UniformTable *data)
{
beginResetModel();
m_uniformTable = data;
endResetModel();
}
int UniformModel::rowCount(const QModelIndex &) const
{
return int((m_uniformTable != nullptr) ? m_uniformTable->size() : 0);
}
QVariant UniformModel::data(const QModelIndex &index, int role) const
{
if (!m_uniformTable || !index.isValid())
return QVariant();
if (index.row() >= m_uniformTable->size())
return false;
const auto &uniform = (*m_uniformTable)[index.row()];
if (role == Type) {
return QVariant::fromValue(uniform.type);
} else if (role == Name) {
return QVariant::fromValue(QString::fromLatin1(uniform.name));
} else if (role == Value) {
switch (uniform.type) {
case CustomMaterial::Uniform::Type::Sampler:
return QVariant::fromValue(uniform.imagePath);
case CustomMaterial::Uniform::Type::Bool:
return QVariant::fromValue(uniform.b);
case CustomMaterial::Uniform::Type::Int:
return QVariant::fromValue(uniform.i);
case CustomMaterial::Uniform::Type::Float:
return QVariant::fromValue(uniform.f);
case CustomMaterial::Uniform::Type::Vec2:
return QVariant::fromValue(uniform.vec2);
case CustomMaterial::Uniform::Type::Vec3:
return QVariant::fromValue(uniform.vec3);
case CustomMaterial::Uniform::Type::Vec4:
return QVariant::fromValue(uniform.vec4);
case CustomMaterial::Uniform::Type::Mat44:
return QVariant::fromValue(uniform.m44);
case CustomMaterial::Uniform::Type::Last:
break;
}
}
return QVariant();
}
QHash<int, QByteArray> UniformModel::roleNames() const
{
QHash<int, QByteArray> roles;
roles[Type] = "type";
roles[Name] = "name";
roles[Value] = "value";
return roles;
}
bool UniformModel::setData(const QModelIndex &index, const QVariant &value, int role)
{
if (!index.isValid() || !m_uniformTable)
return false;
if (index.row() >= m_uniformTable->size())
return false;
auto &uniform = (*m_uniformTable)[index.row()];
bool ok = true;
if (role == Type) {
const auto v = value.toInt(&ok);
if (ok)
uniform.type = static_cast<CustomMaterial::Uniform::Type>(v);
} else if (role == Name) {
uniform.name = value.toString().toUtf8();
} else if (role == Value) {
switch (uniform.type) {
case CustomMaterial::Uniform::Type::Bool:
uniform.b = value.toBool();
break;
case CustomMaterial::Uniform::Type::Int:
uniform.i = value.toInt();
break;
case CustomMaterial::Uniform::Type::Float:
uniform.f = value.toFloat();
break;
case CustomMaterial::Uniform::Type::Vec2:
uniform.vec2 = value.value<QVector2D>();
break;
case CustomMaterial::Uniform::Type::Vec3:
uniform.vec3 = value.value<QVector3D>();
break;
case CustomMaterial::Uniform::Type::Vec4:
uniform.vec4 = value.value<QVector4D>();
break;
case CustomMaterial::Uniform::Type::Mat44:
uniform.m44 = value.value<QMatrix4x4>();
break;
case CustomMaterial::Uniform::Type::Sampler:
uniform.imagePath = value.toUrl().path();
break;
case CustomMaterial::Uniform::Type::Last:
break;
}
}
if (ok)
emit dataChanged(index, index, {role});
return ok;
}
bool UniformModel::insertRow(int rowIndex, int type, const QString &id)
{
if (m_uniformTable == nullptr)
return false;
if (!validateUniformName(id))
return false;
beginInsertRows(QModelIndex(), rowIndex, rowIndex);
CustomMaterial::Uniform uniform = { };
uniform.type = CustomMaterial::Uniform::Type(type);
uniform.name = id.toLocal8Bit();
switch (uniform.type) {
case CustomMaterial::Uniform::Type::Bool:
uniform.b = false;
break;
case CustomMaterial::Uniform::Type::Int:
uniform.i = 0;
break;
case CustomMaterial::Uniform::Type::Float:
uniform.f = 0.0f;
break;
case CustomMaterial::Uniform::Type::Vec2:
uniform.vec2 = QVector2D();
break;
case CustomMaterial::Uniform::Type::Vec3:
uniform.vec3 = QVector3D();
break;
case CustomMaterial::Uniform::Type::Vec4:
uniform.vec4 = QVector4D();
break;
case CustomMaterial::Uniform::Type::Mat44:
uniform.m44 = QMatrix4x4();
break;
case CustomMaterial::Uniform::Type::Sampler:
uniform.imagePath = QString();
break;
case CustomMaterial::Uniform::Type::Last:
Q_UNREACHABLE();
break;
}
m_uniformTable->insert(rowIndex, uniform);
endInsertRows();
emit dataChanged(QAbstractItemModel::createIndex(0, 0),
QAbstractItemModel::createIndex(rowIndex, 0));
return true;
}
void UniformModel::removeRow(int rowIndex, int rows)
{
if (m_uniformTable == nullptr)
return;
if (m_uniformTable->size() > rowIndex) {
rows = qBound(1, rows, m_uniformTable->size());
beginRemoveRows(QModelIndex(), rowIndex, rowIndex + rows - 1);
m_uniformTable->remove(rowIndex, rows);
endRemoveRows();
emit dataChanged(QAbstractItemModel::createIndex(0, 0),
QAbstractItemModel::createIndex(rowIndex, 0));
}
}
bool UniformModel::validateUniformName(const QString &uniformName)
{
if (!m_uniformTable)
return false;
// must be unique
for (const auto &uniform : *m_uniformTable)
{
if (uniform.name == uniformName)
return false;
}
// TODO: There are probably some other requirments
return true;
}
QT_END_NAMESPACE
|
