#define DALI_INTEGRATION_CORE_H
/*
- * Copyright (c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2020 Samsung Electronics Co., Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
// EXTERNAL INCLUDES
+#include <cstdint> // uint32_t
+
+// INTERNAL INCLUDES
#include <dali/public-api/common/dali-common.h>
-#include <dali/public-api/common/view-mode.h>
#include <dali/integration-api/context-notifier.h>
-#include <dali/integration-api/resource-policies.h>
+#include <dali/integration-api/core-enumerations.h>
namespace Dali
{
+class Layer;
+class RenderTaskList;
+
namespace Internal
{
class Core;
namespace Integration
{
-
class Core;
-class GestureManager;
class GlAbstraction;
class GlSyncAbstraction;
+class GlContextHelperAbstraction;
class PlatformAbstraction;
+class Processor;
class RenderController;
-class SystemOverlay;
+class Scene;
struct Event;
struct TouchData;
UpdateStatus()
: keepUpdating(false),
needsNotification(false),
+ surfaceRectChanged(false),
secondsFromLastFrame( 0.0f )
{
}
* Query whether the Core has further frames to update & render e.g. when animations are ongoing.
* @return A bitmask of KeepUpdating values
*/
- unsigned int KeepUpdating() { return keepUpdating; }
+ uint32_t KeepUpdating() { return keepUpdating; }
/**
* Query whether the Core requires an Notification event.
bool NeedsNotification() { return needsNotification; }
/**
+ * Query wheter the default surface rect is changed or not.
+ * @return true if the default surface rect is changed.
+ */
+ bool SurfaceRectChanged() { return surfaceRectChanged; }
+
+ /**
* This method is provided so that FPS can be easily calculated with a release version
* of Core.
* @return the seconds from last frame as float
public:
- unsigned int keepUpdating; ///< A bitmask of KeepUpdating values
+ uint32_t keepUpdating; ///< A bitmask of KeepUpdating values
bool needsNotification;
+ bool surfaceRectChanged;
float secondsFromLastFrame;
};
bool needsPostRender :1; ///< True if post-render is required to be run.
};
+
/**
* Integration::Core is used for integration with the native windowing system.
* The following integration tasks must be completed:
*
* 6) Provide an implementation of the GlAbstraction interface, used to access OpenGL services.
*
- * 7) Provide an implementation of the GestureManager interface, used to register gestures provided by the platform.
- *
* Multi-threading notes:
*
* The Dali API methods are not reentrant. If you access the API from multiple threads simultaneously, then the results
* This is the recommended option, so that input processing will not affect the smoothness of animations.
* Note that the rendering thread must be halted, before destroying the GL context.
*/
-class DALI_IMPORT_API Core
+class DALI_CORE_API Core
{
public:
* @param[in] platformAbstraction The interface providing platform specific services.
* @param[in] glAbstraction The interface providing OpenGL services.
* @param[in] glSyncAbstraction The interface providing OpenGL sync objects.
- * @param[in] gestureManager The interface providing gesture manager services.
- * @param[in] policy The data retention policy. This depends on application setting
- * and platform support. Dali should honour this policy when deciding to discard
- * intermediate resource data.
+ * @param[in] glContextHelperAbstraction The interface providing OpenGL context helper objects.
+ * @param[in] renderToFboEnabled Whether rendering into the Frame Buffer Object is enabled.
+ * @param[in] depthBufferAvailable Whether the depth buffer is available
+ * @param[in] stencilBufferAvailable Whether the stencil buffer is available
* @return A newly allocated Core.
*/
- static Core* New(RenderController& renderController,
- PlatformAbstraction& platformAbstraction,
- GlAbstraction& glAbstraction,
- GlSyncAbstraction& glSyncAbstraction,
- GestureManager& gestureManager,
- ResourcePolicy::DataRetention policy);
+ static Core* New( RenderController& renderController,
+ PlatformAbstraction& platformAbstraction,
+ GlAbstraction& glAbstraction,
+ GlSyncAbstraction& glSyncAbstraction,
+ GlContextHelperAbstraction& glContextHelperAbstraction,
+ RenderToFrameBuffer renderToFboEnabled,
+ DepthBufferAvailable depthBufferAvailable,
+ StencilBufferAvailable stencilBufferAvailable );
/**
* Non-virtual destructor. Core is not intended as a base class.
*/
~Core();
+ /**
+ * Initialize the core
+ */
+ void Initialize();
+
// GL Context Lifecycle
/**
*/
void RecoverFromContextLoss();
- /**
- * Notify the Core that the GL surface has been resized.
- * This should be done at least once i.e. after the first call to ContextCreated().
- * The Core will use the surface size for camera calculations, and to set the GL viewport.
- * Multi-threading note: this method should be called from the main thread
- * @param[in] width The new surface width.
- * @param[in] height The new surface height.
- */
- void SurfaceResized(unsigned int width, unsigned int height);
-
- /**
- * Notify the Core about the top margin size.
- * Available stage size is reduced by this size.
- * The stage is located below the size at the top of the display
- * It is mainly useful for indicator in mobile device
- * @param[in] margin margin size
- */
- void SetTopMargin( unsigned int margin );
-
- // Core setters
-
- /**
- * Notify the Core about the display's DPI values.
- * This should be done after the display is initialized and a Core instance is created.
- * The Core will use the DPI values for font rendering.
- * Multi-threading note: this method should be called from the main thread
- * @param[in] dpiHorizontal Horizontal DPI value.
- * @param[in] dpiVertical Vertical DPI value.
- */
- void SetDpi(unsigned int dpiHorizontal, unsigned int dpiVertical);
-
// Core Lifecycle
/**
* the Core::Render() method for frame N has returned.
* @return The maximum update count (>= 1).
*/
- unsigned int GetMaximumUpdateCount() const;
+ uint32_t GetMaximumUpdateCount() const;
/**
* Update the scene for the next frame. This method must be called before each frame is rendered.
* @param[in] nextVSyncTimeMilliseconds The time of the next predicted VSync in milliseconds
* @param[out] status showing whether further updates are required. This also shows
* whether a Notification event should be sent, regardless of whether the multi-threading is used.
+ * @param[in] renderToFboEnabled Whether rendering into the Frame Buffer Object is enabled.
+ * @param[in] isRenderingToFbo Whether this frame is being rendered into the Frame Buffer Object.
*/
- void Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, UpdateStatus& status );
+ void Update( float elapsedSeconds,
+ uint32_t lastVSyncTimeMilliseconds,
+ uint32_t nextVSyncTimeMilliseconds,
+ UpdateStatus& status,
+ bool renderToFboEnabled,
+ bool isRenderingToFbo );
/**
- * Render the next frame. This method should be preceded by a call up Update.
+ * This is called before rendering any scene in the next frame. This method should be preceded
+ * by a call up Update.
* Multi-threading note: this method should be called from a dedicated rendering thread.
* @pre The GL context must have been created, and made current.
* @param[out] status showing whether update is required to run.
+ * @param[in] forceClear force the Clear on the framebuffer even if nothing is rendered.
+ * @param[in] uploadOnly uploadOnly Upload the resource only without rendering.
*/
- void Render( RenderStatus& status );
-
- // System-level overlay
+ void PreRender( RenderStatus& status, bool forceClear, bool uploadOnly );
/**
- * Use the SystemOverlay to draw content for system-level indicators, dialogs etc.
- * @return The SystemOverlay.
+ * Render a scene in the next frame. This method should be preceded by a call up PreRender.
+ * This method should be called twice. The first pass to render off-screen frame buffers if any,
+ * and the second pass to render the surface.
+ * Multi-threading note: this method should be called from a dedicated rendering thread.
+ * @pre The GL context must have been created, and made current.
+ * @param[in] scene The scene to be rendered.
+ * @param[in] renderToFbo True to render off-screen frame buffers only if any, and False to render the surface only.
*/
- SystemOverlay& GetSystemOverlay();
+ void RenderScene( Integration::Scene& scene, bool renderToFbo );
- /**
- * Set the stereoscopic 3D view mode
- * @param[in] viewMode The new view mode
- */
- void SetViewMode( ViewMode viewMode );
/**
- * Get the current view mode
- * @return The current view mode
- * @see SetViewMode.
+ * This is called after rendering all the scenes in the next frame. This method should be
+ * followed by a call up RenderScene.
+ * Multi-threading note: this method should be called from a dedicated rendering thread.
+ * @pre The GL context must have been created, and made current.
+ * @param[in] uploadOnly uploadOnly Upload the resource only without rendering.
*/
- ViewMode GetViewMode() const;
+ void PostRender( bool uploadOnly );
/**
- * Set the stereo base (eye seperation) for stereoscopic 3D
- * @param[in] stereoBase The stereo base (eye seperation) for stereoscopic 3D (mm)
+ * @brief Register a processor
+ *
+ * Note, Core does not take ownership of this processor.
+ * @param[in] processor The process to register
*/
- void SetStereoBase( float stereoBase );
+ void RegisterProcessor( Processor& processor );
/**
- * Get the stereo base (eye seperation) for stereoscopic 3D
- * @return The stereo base (eye seperation) for stereoscopic 3D (mm)
+ * @brief Unregister a processor
+ * @param[in] processor The process to unregister
*/
- float GetStereoBase() const;
+ void UnregisterProcessor( Processor& processor );
private:
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