| 1 | /**************************************************************************** | 
| 2 | ** | 
| 3 | ** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). | 
| 4 | ** Contact: https://www.qt.io/licensing/ | 
| 5 | ** | 
| 6 | ** This file is part of the Qt3D module of the Qt Toolkit. | 
| 7 | ** | 
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| 17 | ** GNU Lesser General Public License Usage | 
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| 25 | ** GNU General Public License Usage | 
| 26 | ** Alternatively, this file may be used under the terms of the GNU | 
| 27 | ** General Public License version 2.0 or (at your option) the GNU General | 
| 28 | ** Public license version 3 or any later version approved by the KDE Free | 
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| 35 | ** | 
| 36 | ** $QT_END_LICENSE$ | 
| 37 | ** | 
| 38 | ****************************************************************************/ | 
| 39 |  | 
| 40 | #include "qrendertargetoutput.h" | 
| 41 | #include "qrendertargetoutput_p.h" | 
| 42 | #include "qtexture.h" | 
| 43 |  | 
| 44 | QT_BEGIN_NAMESPACE | 
| 45 |  | 
| 46 | namespace Qt3DRender { | 
| 47 |  | 
| 48 | /*! | 
| 49 |     \class Qt3DRender::QRenderTargetOutput | 
| 50 |     \brief The QRenderTargetOutput class allows the specification of an attachment | 
| 51 |     of a render target (whether it is a color texture, a depth texture, etc... ). | 
| 52 |     \since 5.7 | 
| 53 |     \inmodule Qt3DRender | 
| 54 |  | 
| 55 |     A QRenderTargetOutput specifies the attachment point and parameters for texture | 
| 56 |     that is attached to render target. In addition to the attachment point, texture | 
| 57 |     miplevel, layer and cubemap face can be specified. The texture attached to the | 
| 58 |     QRenderTargetOutput must be compatible with the given parameters. | 
| 59 |  */ | 
| 60 |  | 
| 61 | /*! | 
| 62 |     \qmltype RenderTargetOutput | 
| 63 |     \brief The RenderTargetOutput type allows the specification of an attachment | 
| 64 |     of a render target (whether it is a color texture, a depth texture, etc... ). | 
| 65 |     \since 5.7 | 
| 66 |     \inqmlmodule Qt3D.Render | 
| 67 |     \inherits Node | 
| 68 |     \instantiates Qt3DRender::QRenderTargetOutput | 
| 69 |  | 
| 70 |     A RenderTargetOutput specifies the attachment point and parameters for texture | 
| 71 |     that is attached to render target. In addition to the attachment point, texture | 
| 72 |     miplevel, layer and cubemap face can be specified. The texture attached to the | 
| 73 |     RenderTargetOutput must be compatible with the given parameters. | 
| 74 |  */ | 
| 75 |  | 
| 76 | /*! | 
| 77 |     \enum QRenderTargetOutput::AttachmentPoint | 
| 78 |  | 
| 79 |     This enumeration specifies the values for the attachment point. | 
| 80 |  | 
| 81 |     \value Color0 Color attachment point at index 0 | 
| 82 |     \value Color1 Color attachment point at index 1 | 
| 83 |     \value Color2 Color attachment point at index 2 | 
| 84 |     \value Color3 Color attachment point at index 3 | 
| 85 |     \value Color4 Color attachment point at index 4 | 
| 86 |     \value Color5 Color attachment point at index 5 | 
| 87 |     \value Color6 Color attachment point at index 6 | 
| 88 |     \value Color7 Color attachment point at index 7 | 
| 89 |     \value Color8 Color attachment point at index 8 | 
| 90 |     \value Color9 Color attachment point at index 9 | 
| 91 |     \value Color10 Color attachment point at index 10 | 
| 92 |     \value Color11 Color attachment point at index 11 | 
| 93 |     \value Color12 Color attachment point at index 12 | 
| 94 |     \value Color13 Color attachment point at index 13 | 
| 95 |     \value Color14 Color attachment point at index 14 | 
| 96 |     \value Color15 Color attachment point at index 15 | 
| 97 |     \value Depth Depth attachment point | 
| 98 |     \value Stencil Stencil attachment point | 
| 99 |     \value DepthStencil DepthStencil attachment point | 
| 100 | */ | 
| 101 |  | 
| 102 | /*! | 
| 103 |     \qmlproperty enumeration RenderTargetOutput::attachmentPoint | 
| 104 |     Holds the attachment point of the RenderTargetOutput. | 
| 105 |     \list | 
| 106 |     \li RenderTargetOutput.Color0 | 
| 107 |     \li RenderTargetOutput.Color1 | 
| 108 |     \li RenderTargetOutput.Color2 | 
| 109 |     \li RenderTargetOutput.Color3 | 
| 110 |     \li RenderTargetOutput.Color4 | 
| 111 |     \li RenderTargetOutput.Color5 | 
| 112 |     \li RenderTargetOutput.Color6 | 
| 113 |     \li RenderTargetOutput.Color7 | 
| 114 |     \li RenderTargetOutput.Color8 | 
| 115 |     \li RenderTargetOutput.Color9 | 
| 116 |     \li RenderTargetOutput.Color10 | 
| 117 |     \li RenderTargetOutput.Color11 | 
| 118 |     \li RenderTargetOutput.Color12 | 
| 119 |     \li RenderTargetOutput.Color13 | 
| 120 |     \li RenderTargetOutput.Color14 | 
| 121 |     \li RenderTargetOutput.Color15 | 
| 122 |     \li RenderTargetOutput.Depth | 
| 123 |     \li RenderTargetOutput.Stencil | 
| 124 |     \li RenderTargetOutput.DepthStencil | 
| 125 |     \endlist | 
| 126 |  | 
| 127 |     \sa Qt3DRender::QRenderTargetOutput::AttachmentPoint | 
| 128 | */ | 
| 129 |  | 
| 130 | /*! | 
| 131 |     \qmlproperty Texture RenderTargetOutput::texture | 
| 132 |     Holds the texture attached to the attachment point. | 
| 133 | */ | 
| 134 |  | 
| 135 | /*! | 
| 136 |     \qmlproperty int RenderTargetOutput::mipLevel | 
| 137 |     Holds the miplevel of the attached texture the rendering is directed to. | 
| 138 | */ | 
| 139 |  | 
| 140 | /*! | 
| 141 |     \qmlproperty int RenderTargetOutput::layer | 
| 142 |     Holds the layer of the attached texture the rendering is directed to. | 
| 143 | */ | 
| 144 |  | 
| 145 | /*! | 
| 146 |     \qmlproperty enumeration RenderTargetOutput::face | 
| 147 |     Holds the face of the attached cubemap texture the rendering is directed to. | 
| 148 |     \list | 
| 149 |     \li Texture.CubeMapPositiveX | 
| 150 |     \li Texture.CubeMapNegativeX | 
| 151 |     \li Texture.CubeMapPositiveY | 
| 152 |     \li Texture.CubeMapNegativeY | 
| 153 |     \li Texture.CubeMapPositiveZ | 
| 154 |     \li Texture.CubeMapNegativeZ | 
| 155 |     \endlist | 
| 156 |     \sa Qt3DRender::QAbstractTexture::CubeMapFace | 
| 157 | */ | 
| 158 |  | 
| 159 | /*! | 
| 160 |     \property QRenderTargetOutput::attachmentPoint | 
| 161 |     Holds the attachment point of the QRenderTargetOutput. | 
| 162 | */ | 
| 163 |  | 
| 164 | /*! | 
| 165 |     \property QRenderTargetOutput::texture | 
| 166 |     Holds the texture attached to the attachment point. | 
| 167 | */ | 
| 168 |  | 
| 169 | /*! | 
| 170 |     \property QRenderTargetOutput::mipLevel | 
| 171 |     Holds the miplevel of the attached texture the rendering is directed to. | 
| 172 | */ | 
| 173 |  | 
| 174 | /*! | 
| 175 |     \property QRenderTargetOutput::layer | 
| 176 |     Holds the layer of the attached texture the rendering is directed to. | 
| 177 | */ | 
| 178 |  | 
| 179 | /*! | 
| 180 |     \property QRenderTargetOutput::face | 
| 181 |     Holds the face of the attached cubemap texture the rendering is directed to. | 
| 182 | */ | 
| 183 |  | 
| 184 | /*! \internal */ | 
| 185 | QRenderTargetOutputPrivate::QRenderTargetOutputPrivate() | 
| 186 |     : QNodePrivate() | 
| 187 |     , m_texture(nullptr) | 
| 188 |     , m_attachmentPoint(QRenderTargetOutput::Color0) | 
| 189 |     , m_mipLevel(0) | 
| 190 |     , m_layer(0) | 
| 191 |     , m_face(QAbstractTexture::CubeMapNegativeX) | 
| 192 | { | 
| 193 | } | 
| 194 |  | 
| 195 | /*! | 
| 196 |     The constructor creates a new QRenderTargetOutput::QRenderTargetOutput instance | 
| 197 |     with the specified \a parent. | 
| 198 |  */ | 
| 199 | QRenderTargetOutput::QRenderTargetOutput(QNode *parent) | 
| 200 |     : QNode(*new QRenderTargetOutputPrivate, parent) | 
| 201 | { | 
| 202 | } | 
| 203 |  | 
| 204 | /*! \internal */ | 
| 205 | QRenderTargetOutput::~QRenderTargetOutput() | 
| 206 | { | 
| 207 | } | 
| 208 |  | 
| 209 | /*! \internal */ | 
| 210 | QRenderTargetOutput::QRenderTargetOutput(QRenderTargetOutputPrivate &dd, QNode *parent) | 
| 211 |     : QNode(dd, parent) | 
| 212 | { | 
| 213 | } | 
| 214 |  | 
| 215 | void QRenderTargetOutput::setAttachmentPoint(QRenderTargetOutput::AttachmentPoint attachmentPoint) | 
| 216 | { | 
| 217 |     Q_D(QRenderTargetOutput); | 
| 218 |     if (attachmentPoint != d->m_attachmentPoint) { | 
| 219 |         d->m_attachmentPoint = attachmentPoint; | 
| 220 |         emit attachmentPointChanged(attachmentPoint); | 
| 221 |     } | 
| 222 | } | 
| 223 |  | 
| 224 | QRenderTargetOutput::AttachmentPoint QRenderTargetOutput::attachmentPoint() const | 
| 225 | { | 
| 226 |     Q_D(const QRenderTargetOutput); | 
| 227 |     return d->m_attachmentPoint; | 
| 228 | } | 
| 229 |  | 
| 230 | void QRenderTargetOutput::setTexture(QAbstractTexture *texture) | 
| 231 | { | 
| 232 |     Q_D(QRenderTargetOutput); | 
| 233 |     if (texture != d->m_texture) { | 
| 234 |  | 
| 235 |         if (d->m_texture) | 
| 236 |             d->unregisterDestructionHelper(node: d->m_texture); | 
| 237 |  | 
| 238 |         // Handle inline declaration | 
| 239 |         if (texture && !texture->parent()) | 
| 240 |             texture->setParent(this); | 
| 241 |  | 
| 242 |         d->m_texture = texture; | 
| 243 |  | 
| 244 |         // Ensures proper bookkeeping | 
| 245 |         if (d->m_texture) | 
| 246 |             d->registerDestructionHelper(node: d->m_texture, func: &QRenderTargetOutput::setTexture, d->m_texture); | 
| 247 |  | 
| 248 |         emit textureChanged(texture); | 
| 249 |     } | 
| 250 | } | 
| 251 |  | 
| 252 | QAbstractTexture *QRenderTargetOutput::texture() const | 
| 253 | { | 
| 254 |     Q_D(const QRenderTargetOutput); | 
| 255 |     return d->m_texture; | 
| 256 | } | 
| 257 |  | 
| 258 | void QRenderTargetOutput::setMipLevel(int level) | 
| 259 | { | 
| 260 |     Q_D(QRenderTargetOutput); | 
| 261 |     if (d->m_mipLevel != level) { | 
| 262 |         d->m_mipLevel = level; | 
| 263 |         emit mipLevelChanged(mipLevel: level); | 
| 264 |     } | 
| 265 | } | 
| 266 |  | 
| 267 | int QRenderTargetOutput::mipLevel() const | 
| 268 | { | 
| 269 |     Q_D(const QRenderTargetOutput); | 
| 270 |     return d->m_mipLevel; | 
| 271 | } | 
| 272 |  | 
| 273 | void QRenderTargetOutput::setLayer(int layer) | 
| 274 | { | 
| 275 |     Q_D(QRenderTargetOutput); | 
| 276 |     if (d->m_layer != layer) { | 
| 277 |         d->m_layer = layer; | 
| 278 |         emit layerChanged(layer); | 
| 279 |     } | 
| 280 | } | 
| 281 |  | 
| 282 | int QRenderTargetOutput::layer() const | 
| 283 | { | 
| 284 |     Q_D(const QRenderTargetOutput); | 
| 285 |     return d->m_layer; | 
| 286 | } | 
| 287 |  | 
| 288 | void QRenderTargetOutput::setFace(QAbstractTexture::CubeMapFace face) | 
| 289 | { | 
| 290 |     Q_D(QRenderTargetOutput); | 
| 291 |     if (d->m_face != face) { | 
| 292 |         d->m_face = face; | 
| 293 |         emit faceChanged(face); | 
| 294 |     } | 
| 295 | } | 
| 296 |  | 
| 297 | QAbstractTexture::CubeMapFace QRenderTargetOutput::face() const | 
| 298 | { | 
| 299 |     Q_D(const QRenderTargetOutput); | 
| 300 |     return d->m_face; | 
| 301 | } | 
| 302 |  | 
| 303 | Qt3DCore::QNodeCreatedChangeBasePtr QRenderTargetOutput::createNodeCreationChange() const | 
| 304 | { | 
| 305 |     auto creationChange = Qt3DCore::QNodeCreatedChangePtr<QRenderTargetOutputData>::create(arguments: this); | 
| 306 |     auto &data = creationChange->data; | 
| 307 |     Q_D(const QRenderTargetOutput); | 
| 308 |     data.textureId = qIdForNode(node: texture()); | 
| 309 |     data.attachmentPoint = d->m_attachmentPoint; | 
| 310 |     data.mipLevel = d->m_mipLevel; | 
| 311 |     data.layer = d->m_layer; | 
| 312 |     data.face = d->m_face; | 
| 313 |     return creationChange; | 
| 314 | } | 
| 315 |  | 
| 316 | } // namespace Qt3DRender | 
| 317 |  | 
| 318 | QT_END_NAMESPACE | 
| 319 |  |