1 #ifndef DALI_INTERNAL_WINDOWSYSTEM_COMMON_WINDOW_RENDER_SURFACE_H
2 #define DALI_INTERNAL_WINDOWSYSTEM_COMMON_WINDOW_RENDER_SURFACE_H
5 * Copyright (c) 2022 Samsung Electronics Co., Ltd.
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
22 #include <dali/devel-api/threading/mutex.h>
23 #include <dali/integration-api/scene.h>
24 #include <dali/public-api/signals/connection-tracker.h>
25 #include <dali/public-api/signals/dali-signal.h>
29 #include <dali/integration-api/adaptor-framework/egl-interface.h>
30 #include <dali/integration-api/adaptor-framework/render-surface-interface.h>
31 #include <dali/internal/graphics/common/graphics-interface.h>
32 #include <dali/internal/system/common/file-descriptor-monitor.h>
36 class TriggerEventInterface;
43 class AdaptorInternalServices;
46 * Window interface of render surface.
48 class WindowRenderSurface : public Dali::RenderSurfaceInterface, public ConnectionTracker
52 using RotationFinishedSignalType = Signal<void()> ; ///<The signal of window rotation's finished.
53 using OutputSignalType = Signal<void()>;
54 using DamagedRectsContainer = std::vector<Rect<int>>;
57 * @brief Uses an window surface to render to.
59 * @param [in] positionSize the position and size of the surface
60 * @param [in] surface can be a window or pixmap.
61 * @param [in] isTransparent if it is true, surface has 32 bit color depth, otherwise, 24 bit
63 WindowRenderSurface(Dali::PositionSize positionSize, Any surface, bool isTransparent = false);
68 virtual ~WindowRenderSurface();
72 * @brief Get the native window handle
74 * @return The native window handle
76 Any GetNativeWindow();
79 * @brief Get the native window id
81 * @return The native window id
83 int GetNativeWindowId();
91 * @brief Sets the render notification trigger to call when render thread is completed a frame
93 * @param renderNotification to use
95 void SetRenderNotification(TriggerEventInterface* renderNotification);
98 * @brief Sets whether the surface is transparent or not.
100 * @param[in] transparent Whether the surface is transparent
102 void SetTransparency(bool transparent);
105 * @brief Request surface rotation
107 * @param[in] angle A new angle of the surface
108 * @param[in] positionSize A new position and size of the surface
110 void RequestRotation(int angle, PositionSize positionSize);
113 * @brief Gets the window base object
115 * @return The window base object
117 WindowBase* GetWindowBase();
120 * @brief Intiailize Ime Surface for Ime window rendering.
121 * It sets one flag and callback function for Ime window rendering
122 * This callback function calls one special native window function for ready to commit buffer.
123 * The special function notify to display server.
124 * It is only used for Ime window.
126 void InitializeImeSurface();
129 * @brief Sets the necessary for window rotation acknowledge.
130 * After this function called, SendRotationCompletedAcknowledgement() should be called to complete window rotation.
131 * More detail description is written in DevelWindow::SetNeedsRotationCompletedAcknowledgement().
133 * @param[in] window The window instance.
134 * @param[in] needAcknowledgement the flag is true if window rotation acknowledgement is sent.
136 void SetNeedsRotationCompletedAcknowledgement(bool needAcknowledgement);
139 * @brief Updates window surface's position and size.
140 * It is just to update the local variable in window surface.
141 * This function is only called when window's position or size is changed by display server.
143 * @param[in] positionSize The updated window surface's position and size.
145 void UpdatePositionSize(Dali::PositionSize positionSize);
148 * @brief Moves the window to the specified position.
150 * @param positionSize The new position of the window.
152 void Move(Dali::PositionSize positionSize);
155 * @brief This signal is emitted when the output is transformed.
157 OutputSignalType& OutputTransformedSignal();
160 * @brief This signal is emitted when a rotation job is finished.
162 RotationFinishedSignalType& RotationFinishedSignal();
165 * @brief Sets front buffer rendering flag
167 * @param[in] enable The flag for front buffer rendering
169 void SetFrontBufferRendering(bool enable);
171 public: // from Dali::RenderSurfaceInterface
173 * @copydoc Dali::RenderSurfaceInterface::GetPositionSize()
175 PositionSize GetPositionSize() const override;
178 * @copydoc Dali::RenderSurfaceInterface::GetDpi()
180 void GetDpi(unsigned int& dpiHorizontal, unsigned int& dpiVertical) override;
183 * @copydoc Dali::RenderSurfaceInterface::GetSurfaceOrientation()
185 int GetSurfaceOrientation() const override;
188 * @copydoc Dali::RenderSurfaceInterface::GetScreenOrientation()
190 int GetScreenOrientation() const override;
193 * @copydoc Dali::RenderSurfaceInterface::InitializeGraphics()
195 void InitializeGraphics() override;
198 * @copydoc Dali::RenderSurfaceInterface::CreateSurface()
200 void CreateSurface() override;
203 * @copydoc Dali::RenderSurfaceInterface::DestroySurface()
205 void DestroySurface() override;
208 * @copydoc Dali::RenderSurfaceInterface::ReplaceGraphicsSurface()
210 bool ReplaceGraphicsSurface() override;
213 * @copydoc Dali::RenderSurfaceInterface::MoveResize()
215 void MoveResize(Dali::PositionSize positionSize) override;
218 * @copydoc Dali::RenderSurfaceInterface::StartRender()
220 void StartRender() override;
223 * @copydoc Dali::RenderSurfaceInterface::PreRender()
225 bool PreRender(bool resizingSurface, const std::vector<Rect<int>>& damagedRects, Rect<int>& clippingRect) override;
228 * @copydoc Dali::RenderSurfaceInterface::PostRender()
230 void PostRender() override;
233 * @copydoc Dali::RenderSurfaceInterface::StopRender()
235 void StopRender() override;
238 * @copydoc Dali::RenderSurfaceInterface::SetThreadSynchronization
240 void SetThreadSynchronization(ThreadSynchronizationInterface& threadSynchronization) override;
243 * @copydoc Dali::RenderSurfaceInterface::ReleaseLock()
245 void ReleaseLock() override;
248 * @copydoc Dali::RenderSurfaceInterface::GetSurfaceType()
250 Dali::RenderSurfaceInterface::Type GetSurfaceType() override;
253 * @copydoc Dali::RenderSurfaceInterface::MakeContextCurrent()
255 void MakeContextCurrent() override;
258 * @copydoc Dali::RenderSurfaceInterface::GetDepthBufferRequired()
260 Integration::DepthBufferAvailable GetDepthBufferRequired() override;
263 * @copydoc Dali::RenderSurfaceInterface::GetStencilBufferRequired()
265 Integration::StencilBufferAvailable GetStencilBufferRequired() override;
269 * @brief Second stage construction
271 void Initialize(Any surface);
274 * @brief Notify output is transformed.
276 void OutputTransformed();
279 * @brief Used as the callback for the post render.
280 * It is used both window rotation and supporting Ime window
282 void ProcessPostRender();
285 * @brief Used as the callback for the frame rendered / presented.
287 void ProcessFrameCallback();
290 * @brief Called when our event file descriptor has been written to.
292 * @param[in] eventBitMask bit mask of events that occured on the file descriptor
293 * @param[in] fileDescriptor The file descriptor
295 void OnFileDescriptorEventDispatched(FileDescriptorMonitor::EventType eventBitMask, int fileDescriptor);
298 * @brief Set the buffer damage rects.
300 * @param[in] damagedRects List of damaged rects
301 * @param[in] clippingRect The rect to clip rendered scene
303 void SetBufferDamagedRects(const std::vector<Rect<int>>& damagedRects, Rect<int>& clippingRect);
306 * @brief Swap buffers.
308 * @param[in] damagedRects List of damaged rects
310 void SwapBuffers(const std::vector<Rect<int>>& damagedRects);
314 WindowRenderSurface(const WindowRenderSurface&) = delete;
317 WindowRenderSurface& operator=(const WindowRenderSurface& rhs) = delete;
320 struct FrameCallbackInfo
322 FrameCallbackInfo(Dali::Integration::Scene::FrameCallbackContainer& callbackList, int fd)
324 fileDescriptorMonitor(),
327 // Transfer owership of the CallbackBase
328 for(auto&& iter : callbackList)
330 callbacks.push_back(std::make_pair(std::move(iter.first), iter.second));
336 // Delete FileDescriptorMonitor before close fd.
337 fileDescriptorMonitor.reset();
338 close(fileDescriptor);
341 Dali::Integration::Scene::FrameCallbackContainer callbacks;
342 std::unique_ptr<FileDescriptorMonitor> fileDescriptorMonitor;
346 using FrameCallbackInfoContainer = std::vector<std::unique_ptr<FrameCallbackInfo>>;
350 Dali::DisplayConnection* mDisplayConnection;
351 PositionSize mPositionSize; ///< Position
352 std::unique_ptr<WindowBase> mWindowBase;
353 ThreadSynchronizationInterface* mThreadSynchronization;
354 TriggerEventInterface* mRenderNotification; ///< Render notification trigger
355 std::unique_ptr<TriggerEventInterface> mPostRenderTrigger; ///< Post render callback function
356 std::unique_ptr<TriggerEventInterface> mFrameRenderedTrigger;
357 GraphicsInterface* mGraphics; ///< Graphics interface
358 EGLSurface mEGLSurface;
359 EGLContext mEGLContext;
360 ColorDepth mColorDepth; ///< Color depth of surface (32 bit or 24 bit)
361 OutputSignalType mOutputTransformedSignal; ///< The signal of screen rotation occurs
362 RotationFinishedSignalType mWindowRotationFinishedSignal; ///< The signal of window rotation's finished
363 FrameCallbackInfoContainer mFrameCallbackInfoContainer;
364 DamagedRectsContainer mBufferDamagedRects;
366 int mWindowRotationAngle;
367 int mScreenRotationAngle;
368 uint32_t mDpiHorizontal;
369 uint32_t mDpiVertical;
370 std::vector<Rect<int>> mDamagedRects{}; ///< Keeps collected damaged render items rects for one render pass. These rects are rotated by scene orientation.
371 bool mOwnSurface; ///< Whether we own the surface (responsible for deleting it)
372 bool mIsImeWindowSurface;
373 bool mNeedWindowRotationAcknowledgement;
374 bool mIsWindowOrientationChanging;
375 bool mIsFrontBufferRendering;
376 bool mIsFrontBufferRenderingChanged;
378 }; // class WindowRenderSurface
380 } // namespace Adaptor
382 } // namespace Internal
386 #endif // DALI_INTERNAL_WINDOWSYSTEM_COMMON_WINDOW_RENDER_SURFACE_H