#ifndef __DALI_INTEGRATION_CORE_H__
#define __DALI_INTEGRATION_CORE_H__
-//
-// Copyright (c) 2014 Samsung Electronics Co., Ltd.
-//
-// Licensed under the Flora License, Version 1.0 (the License);
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-// http://floralicense.org/license/
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an AS IS BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-//
+/*
+ * Copyright (c) 2014 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.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
// EXTERNAL 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>
namespace Dali
{
struct Event;
struct TouchData;
+
/**
* The reasons why further updates are required.
*/
-namespace KeepUpdating DALI_IMPORT_API
+namespace KeepUpdating
+{
+enum Reasons
{
- extern const unsigned int NOT_REQUESTED; ///< Zero means that no further updates are required
-
- // Bit-field values
- extern const unsigned int STAGE_KEEP_RENDERING; ///< 0x01 - Stage::KeepRendering() is being used
- extern const unsigned int INCOMING_MESSAGES; ///< 0x02 - Event-thread is sending messages to update-thread
- extern const unsigned int ANIMATIONS_RUNNING; ///< 0x04 - Animations are ongoing
- extern const unsigned int DYNAMICS_CHANGED; ///< 0x08 - A dynamics simulation is running
- extern const unsigned int LOADING_RESOURCES; ///< 0x10 - Resources are being loaded
- extern const unsigned int NOTIFICATIONS_PENDING; ///< 0x20 - Notifications are pending for the event-thread
- extern const unsigned int MONITORING_PERFORMANCE; ///< 0x40 - The --enable-performance-monitor option is being used
- extern const unsigned int RENDER_TASK_SYNC; ///< 0x80 - A render task is waiting for render sync
+ NOT_REQUESTED = 0x00, ///< Zero means that no further updates are required
+ STAGE_KEEP_RENDERING = 0x01, ///< - Stage::KeepRendering() is being used
+ INCOMING_MESSAGES = 0x02, ///< - Event-thread is sending messages to update-thread
+ ANIMATIONS_RUNNING = 0x04, ///< - Animations are ongoing
+ DYNAMICS_CHANGED = 0x08, ///< - A dynamics simulation is running
+ LOADING_RESOURCES = 0x10, ///< - Resources are being loaded
+ MONITORING_PERFORMANCE = 0x20, ///< - The --enable-performance-monitor option is being used
+ RENDER_TASK_SYNC = 0x40 ///< - A render task is waiting for render sync
};
+}
/**
* The status of the Core::Update operation.
*/
-class DALI_IMPORT_API UpdateStatus
+class UpdateStatus
{
public:
/**
* The status of the Core::Render operation.
*/
-class DALI_IMPORT_API RenderStatus
+class RenderStatus
{
public:
* @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.
* @return A newly allocated Core.
*/
static Core* New(RenderController& renderController,
PlatformAbstraction& platformAbstraction,
GlAbstraction& glAbstraction,
GlSyncAbstraction& glSyncAbstraction,
- GestureManager& gestureManager);
+ GestureManager& gestureManager,
+ ResourcePolicy::DataRetention policy);
/**
* Non-virtual destructor. Core is not intended as a base class.
// GL Context Lifecycle
/**
+ * Get the object that will notify the application/toolkit when context is lost/regained
+ */
+ ContextNotifierInterface* GetContextNotifier();
+
+ /**
* Notify the Core that the GL context has been created.
* The context must be created before the Core can render.
* Multi-threading note: this method should be called from the rendering thread only
* Multi-threading note: this method should be called from the rendering thread only
* @post The Core is unaware of any GL context.
*/
- void ContextToBeDestroyed();
+ void ContextDestroyed();
+
+ /**
+ * Notify the Core that the GL context has been re-created, e.g. after ReplaceSurface
+ * or Context loss.
+ *
+ * In the case of ReplaceSurface, both ContextToBeDestroyed() and ContextCreated() will have
+ * been called on the render thread before this is called on the event thread.
+ *
+ * Multi-threading note: this method should be called from the main thread
+ */
+ void RecoverFromContextLoss();
/**
* Notify the Core that the GL surface has been resized.
*/
void SetDpi(unsigned int dpiHorizontal, unsigned int dpiVertical);
- /**
- * Sets the expected interval between frames used to predict future intervals and the time when the
- * next render will take place.
- *
- * This is the minimum interval that Core should expect. Core will adapt the predicted interval
- * accordingly if the expected interval is constantly not met (but will not drop it below this
- * amount).
- *
- * The value provided should be in microseconds.
- *
- * @param[in] interval The minimum interval between frames (in microseconds).
- *
- * Multi-threading note: this method should be called from the render thread
- */
- void SetMinimumFrameTimeInterval(unsigned int interval);
-
// Core Lifecycle
/**
/**
* Queue an event with Core.
- * Pre-processing of events may be benificial e.g. a series of motion events could be throttled, so that only the last event is queued.
+ * Pre-processing of events may be beneficial e.g. a series of motion events could be throttled, so that only the last event is queued.
* Multi-threading note: this method should be called from the main thread.
* @param[in] event The new event.
*/
* However the update-thread must wait until frame N has been rendered, before processing frame N+2.
* After this method returns, messages may be queued internally for the main thread.
* In order to process these messages, a notification is sent via the main thread's event loop.
+ * @param[in] elapsedSeconds Number of seconds since the last call
+ * @param[in] lastVSyncTimeMilliseconds The last vsync time in milliseconds
+ * @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.
*/
- void Update( UpdateStatus& status );
+ void Update( float elapsedSeconds, unsigned int lastVSyncTimeMilliseconds, unsigned int nextVSyncTimeMilliseconds, UpdateStatus& status );
/**
* Render the next frame. This method should be preceded by a call up Update.
*/
void Render( RenderStatus& status );
- /**
- * Tells core that it is about to sleep.
- * Application is running as normal, but no updates are taking place i.e. no ongoing animations.
- * This should be called when we choose to stop updating and rendering when there are no screen
- * updates required.
- * Multi-threading note: this method should be called from the update-thread.
- */
- void Sleep();
-
- /**
- * Wakes up core from a sleep state.
- * At the first update the elapsed time passed to the animations is zero.
- * Multi-threading note: this method should be called from the update-thread.
- */
- void WakeUp();
-
- /**
- * Notification of a vertical blank sync
- * @param[in] frameNumber The frame number of this vsync. This number will not update
- * while paused.
- * @param[in] seconds The timestamp seconds
- * @param[in] microseconds The timestamp microseconds
- */
- void VSync( unsigned int frameNumber, unsigned int seconds, unsigned int microseconds );
-
// System-level overlay
/**