1// Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
2// Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies).
3// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
4
5#include "qblendequationarguments.h"
6#include "qblendequationarguments_p.h"
7
8QT_BEGIN_NAMESPACE
9
10namespace Qt3DRender {
11
12/*!
13 \class Qt3DRender::QBlendEquationArguments
14 \inmodule Qt3DRender
15 \since 5.5
16 \brief Encapsulates blending information: specifies how the incoming values (what's going to be drawn)
17 are going to affect the existing values (what is already drawn).
18
19 OpenGL pre-3.0: Set the same blend state for all draw buffers
20 (one QBlendEquationArguments)
21 OpenGL 3.0-pre4.0: Set the same blend state for all draw buffers,
22 but can disable blending for particular buffers
23 (one QBlendEquationArguments for setting glBlendFunc, n QBlendEquationArgumentss
24 for enabling/disabling Draw Buffers)
25 OpenGL 4.0+: Can set blend state individually for each draw buffer.
26 */
27
28/*!
29 \qmltype BlendEquationArguments
30 \nativetype Qt3DRender::QBlendEquationArguments
31 \inherits RenderState
32 \inqmlmodule Qt3D.Render
33 \since 5.5
34 \brief Encapsulates blending information: specifies how the incoming values (what's going to be drawn)
35 are going to affect the existing values (what is already drawn).
36
37 OpenGL pre-3.0: Set the same blend state for all draw buffers
38 OpenGL 3.0-pre4.0: Set the same blend state for all draw buffers,
39 but can disable blending for particular buffers
40 OpenGL 4.0+: Can set blend state individually for each draw buffer.
41*/
42
43/*!
44 The constructor creates a new blend state object with the specified \a parent.
45 */
46QBlendEquationArguments::QBlendEquationArguments(QNode *parent)
47 : QRenderState(*new QBlendEquationArgumentsPrivate, parent)
48{
49}
50
51/*!
52 \internal
53*/
54QBlendEquationArguments::~QBlendEquationArguments()
55{
56}
57
58/*!
59 \internal
60*/
61QBlendEquationArguments::QBlendEquationArguments(QBlendEquationArgumentsPrivate &dd, QNode *parent)
62 : QRenderState(dd, parent)
63{
64}
65
66/*!
67 \enum Qt3DRender::QBlendEquationArguments::Blending
68
69 \value Zero GL_ZERO
70 \value One GL_ONE
71 \value SourceColor GL_SRC_COLOR
72 \value SourceAlpha GL_SRC_ALPHA
73 \value Source1Alpha GL_SRC1_ALPHA
74 \value Source1Color GL_SRC1_COLOR
75 \value DestinationColor GL_DST_COLOR
76 \value DestinationAlpha GL_DST_ALPHA
77 \value SourceAlphaSaturate GL_SRC_ALPHA_SATURATE
78 \value ConstantColor 0GL_CONSTANT_COLOR
79 \value ConstantAlpha GL_CONSTANT_ALPHA
80 \value OneMinusSourceColor GL_ONE_MINUS_SRC_COLOR
81 \value OneMinusSourceAlpha GL_ONE_MINUS_SRC_ALPHA
82 \value OneMinusDestinationAlpha GL_ONE_MINUS_DST_ALPHA
83 \value OneMinusDestinationColor GL_ONE_MINUS_DST_COLOR
84 \value OneMinusConstantColor GL_ONE_MINUS_CONSTANT_COLOR
85 \value OneMinusConstantAlpha GL_ONE_MINUS_CONSTANT_ALPHA
86 \value OneMinusSource1Alpha GL_ONE_MINUS_SRC1_ALPHA
87 \value OneMinusSource1Color GL_ONE_MINUS_SRC1_COLOR
88 \value OneMinusSource1Color0 GL_ONE_MINUS_SRC1_COLOR (deprecated)
89*/
90
91/*!
92 \qmlproperty enumeration BlendEquationArguments::sourceRgb
93
94 */
95
96/*!
97 \property Qt3DRender::QBlendEquationArguments::sourceRgb
98
99 */
100QBlendEquationArguments::Blending QBlendEquationArguments::sourceRgb() const
101{
102 Q_D(const QBlendEquationArguments);
103 return d->m_sourceRgb;
104}
105
106void QBlendEquationArguments::setSourceRgb(QBlendEquationArguments::Blending sourceRgb)
107{
108 Q_D(QBlendEquationArguments);
109 if (d->m_sourceRgb != sourceRgb) {
110 d->m_sourceRgb = sourceRgb;
111 emit sourceRgbChanged(sourceRgb);
112
113 if (d->m_sourceAlpha == sourceRgb)
114 emit sourceRgbaChanged(sourceRgba: sourceRgb);
115 }
116}
117
118/*!
119 \qmlproperty enumeration BlendEquationArguments::destinationRgb
120
121 */
122
123/*!
124 \property Qt3DRender::QBlendEquationArguments::destinationRgb
125
126 */
127QBlendEquationArguments::Blending QBlendEquationArguments::destinationRgb() const
128{
129 Q_D(const QBlendEquationArguments);
130 return d->m_destinationRgb;
131}
132
133void QBlendEquationArguments::setDestinationRgb(QBlendEquationArguments::Blending destinationRgb)
134{
135 Q_D(QBlendEquationArguments);
136 if (d->m_destinationRgb != destinationRgb) {
137 d->m_destinationRgb = destinationRgb;
138 emit destinationRgbChanged(destinationRgb);
139
140 if (d->m_destinationAlpha == destinationRgb)
141 emit destinationRgbaChanged(destinationRgba: destinationRgb);
142 }
143}
144
145/*!
146 \qmlproperty enumeration BlendEquationArguments::sourceAlpha
147
148 */
149
150/*!
151 \property Qt3DRender::QBlendEquationArguments::sourceAlpha
152
153 */
154QBlendEquationArguments::Blending QBlendEquationArguments::sourceAlpha() const
155{
156 Q_D(const QBlendEquationArguments);
157 return d->m_sourceAlpha;
158}
159
160void QBlendEquationArguments::setSourceAlpha(QBlendEquationArguments::Blending sourceAlpha)
161{
162 Q_D(QBlendEquationArguments);
163 if (d->m_sourceAlpha != sourceAlpha) {
164 d->m_sourceAlpha = sourceAlpha;
165 emit sourceAlphaChanged(sourceAlpha);
166
167 if (d->m_sourceRgb == sourceAlpha)
168 emit sourceRgbaChanged(sourceRgba: sourceAlpha);
169 }
170}
171
172/*!
173 \qmlproperty enumeration BlendEquationArguments::destinationAlpha
174
175 */
176
177/*!
178 \property Qt3DRender::QBlendEquationArguments::destinationAlpha
179
180 */
181QBlendEquationArguments::Blending QBlendEquationArguments::destinationAlpha() const
182{
183 Q_D(const QBlendEquationArguments);
184 return d->m_destinationAlpha;
185}
186
187void QBlendEquationArguments::setDestinationAlpha(QBlendEquationArguments::Blending destinationAlpha)
188{
189 Q_D(QBlendEquationArguments);
190 if (d->m_destinationAlpha != destinationAlpha) {
191 d->m_destinationAlpha = destinationAlpha;
192 emit destinationAlphaChanged(destinationAlpha);
193
194 if (d->m_destinationRgb == destinationAlpha)
195 emit destinationRgbaChanged(destinationRgba: destinationAlpha);
196 }
197}
198
199/*!
200 \fn Qt3DRender::QBlendEquationArguments::sourceRgbaChanged(Blending sourceRgba)
201
202 Notify that both sourceRgb and sourceAlpha properties have changed to \a sourceRgba.
203*/
204/*!
205 \fn Qt3DRender::QBlendEquationArguments::destinationRgbaChanged(Blending destinationRgba)
206
207 Notify that both destinationRgb and destinationAlpha properties have changed to
208 \a destinationRgba.
209*/
210
211/*!
212 Change both sourceRgb and sourceAlpha properties to \a sourceRgba.
213*/
214void QBlendEquationArguments::setSourceRgba(Blending sourceRgba)
215{
216 setSourceRgb(sourceRgba);
217 setSourceAlpha(sourceRgba);
218}
219
220/*!
221 Change both destinationRgb and destinationAlpha properties to \a destinationRgba.
222*/
223void QBlendEquationArguments::setDestinationRgba(Blending destinationRgba)
224{
225 setDestinationRgb(destinationRgba);
226 setDestinationAlpha(destinationRgba);
227}
228
229/*!
230 \qmlproperty int BlendEquationArguments::bufferIndex
231
232 Specifies the index of the Draw Buffer that this BlendEquationArguments applies to.
233 If negative, this will apply to all Draw Buffers.
234 */
235
236/*!
237 \property Qt3DRender::QBlendEquationArguments::bufferIndex
238
239 Specifies the index of the Draw Buffer that this BlendEquationArguments applies to.
240 If negative, this will apply to all Draw Buffers.
241 */
242int QBlendEquationArguments::bufferIndex() const
243{
244 Q_D(const QBlendEquationArguments);
245 return d->m_bufferIndex;
246}
247
248void QBlendEquationArguments::setBufferIndex(int bufferIndex)
249{
250 Q_D(QBlendEquationArguments);
251 if (d->m_bufferIndex != bufferIndex) {
252 d->m_bufferIndex = bufferIndex;
253 emit bufferIndexChanged(index: bufferIndex);
254 }
255}
256
257} // namespace Qt3DRender
258
259QT_END_NAMESPACE
260
261#include "moc_qblendequationarguments.cpp"
262

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source code of qt3d/src/render/renderstates/qblendequationarguments.cpp