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platformsupport/scenes/opengl/backend.h
| Show First 20 Lines • Show All 119 Lines • ▼ Show 20 Line(s) | 54 | public: | |||
|---|---|---|---|---|---|
| 120 | * returns @c true, the SceneOpenGL should not try to start the rendering. | 120 | * returns @c true, the SceneOpenGL should not try to start the rendering. | ||
| 121 | * | 121 | * | ||
| 122 | * @return bool @c true if the creation of the Backend failed, @c false otherwise. | 122 | * @return bool @c true if the creation of the Backend failed, @c false otherwise. | ||
| 123 | */ | 123 | */ | ||
| 124 | bool isFailed() const { | 124 | bool isFailed() const { | ||
| 125 | return m_failed; | 125 | return m_failed; | ||
| 126 | } | 126 | } | ||
| 127 | /** | 127 | /** | ||
| 128 | * @brief Whether the Backend provides VSync. | | |||
| 129 | * | | |||
| 130 | * Currently only the GLX backend can provide VSync. | | |||
| 131 | * | | |||
| 132 | * @return bool @c true if VSync support is available, @c false otherwise | | |||
| 133 | */ | | |||
| 134 | bool syncsToVBlank() const { | | |||
| 135 | return m_syncsToVBlank; | | |||
| 136 | } | | |||
| 137 | /** | | |||
| 138 | * @brief Whether VSync blocks execution until the screen is in the retrace | 128 | * @brief Whether VSync blocks execution until the screen is in the retrace | ||
| 139 | * | 129 | * | ||
| 140 | * Case for waitVideoSync and non triple buffering buffer swaps (triple buffering support | 130 | * Case for waitVideoSync and non triple buffering buffer swaps (triple buffering support | ||
| 141 | * has been removed). | 131 | * has been removed). | ||
| 142 | * | 132 | * | ||
| 143 | */ | 133 | */ | ||
| 144 | bool blocksForRetrace() const { | 134 | bool blocksForRetrace() const { | ||
| 145 | return m_blocksForRetrace; | 135 | return m_blocksForRetrace; | ||
| ▲ Show 20 Lines • Show All 62 Lines • ▼ Show 20 Line(s) | 191 | protected: | |||
| 208 | * | 198 | * | ||
| 209 | * This method should be called by the concrete subclass in case the initialization failed. | 199 | * This method should be called by the concrete subclass in case the initialization failed. | ||
| 210 | * The given @p reason is logged as a warning. | 200 | * The given @p reason is logged as a warning. | ||
| 211 | * | 201 | * | ||
| 212 | * @param reason The reason why the initialization failed. | 202 | * @param reason The reason why the initialization failed. | ||
| 213 | */ | 203 | */ | ||
| 214 | void setFailed(const QString &reason); | 204 | void setFailed(const QString &reason); | ||
| 215 | /** | 205 | /** | ||
| 216 | * @brief Sets whether the backend provides VSync. | | |||
| 217 | * | | |||
| 218 | * Should be called by the concrete subclass once it is determined whether VSync is supported. | | |||
| 219 | * If the subclass does not call this method, the backend defaults to @c false. | | |||
| 220 | * @param enabled @c true if VSync support available, @c false otherwise. | | |||
| 221 | */ | | |||
| 222 | void setSyncsToVBlank(bool enabled) { | | |||
| 223 | m_syncsToVBlank = enabled; | | |||
| 224 | } | | |||
| 225 | /** | | |||
| 226 | * @brief Sets whether the VSync iplementation blocks | 206 | * @brief Sets whether the VSync iplementation blocks | ||
| 227 | * | 207 | * | ||
| 228 | * Should be called by the concrete subclass once it is determined how VSync works. | 208 | * Should be called by the concrete subclass once it is determined how VSync works. | ||
| 229 | * If the subclass does not call this method, the backend defaults to @c false. | 209 | * If the subclass does not call this method, the backend defaults to @c false. | ||
| 230 | * @param enabled @c true if VSync blocks, @c false otherwise. | 210 | * @param enabled @c true if VSync blocks, @c false otherwise. | ||
| 231 | */ | 211 | */ | ||
| 232 | void setBlocksForRetrace(bool enabled) { | 212 | void setBlocksForRetrace(bool enabled) { | ||
| 233 | m_blocksForRetrace = enabled; | 213 | m_blocksForRetrace = enabled; | ||
| ▲ Show 20 Lines • Show All 46 Lines • ▼ Show 20 Line(s) | |||||
| 280 | * These are the EGL/GLX extensions, not the OpenGL extensions | 260 | * These are the EGL/GLX extensions, not the OpenGL extensions | ||
| 281 | */ | 261 | */ | ||
| 282 | void setExtensions(const QList<QByteArray> &extensions) { | 262 | void setExtensions(const QList<QByteArray> &extensions) { | ||
| 283 | m_extensions = extensions; | 263 | m_extensions = extensions; | ||
| 284 | } | 264 | } | ||
| 285 | 265 | | |||
| 286 | private: | 266 | private: | ||
| 287 | /** | 267 | /** | ||
| 288 | * @brief Whether VSync is available and used, defaults to @c false. | | |||
| 289 | */ | | |||
| 290 | bool m_syncsToVBlank; | | |||
| 291 | /** | | |||
| 292 | * @brief Whether present() will block execution until the next vertical retrace @c false. | 268 | * @brief Whether present() will block execution until the next vertical retrace @c false. | ||
| 293 | */ | 269 | */ | ||
| 294 | bool m_blocksForRetrace; | 270 | bool m_blocksForRetrace; | ||
| 295 | /** | 271 | /** | ||
| 296 | * @brief Whether direct rendering is used, defaults to @c false. | 272 | * @brief Whether direct rendering is used, defaults to @c false. | ||
| 297 | */ | 273 | */ | ||
| 298 | bool m_directRendering; | 274 | bool m_directRendering; | ||
| 299 | /** | 275 | /** | ||
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