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/*
   Copyright (c) 2014 DIVIDE-Studio
   Copyright (c) 2009 Ionut Cava

   This file is part of DIVIDE Framework.

   Permission is hereby granted, free of charge, to any person obtaining a copy of this software
   and associated documentation files (the "Software"), to deal in the Software without restriction,
   including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
   and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so,
   subject to the following conditions:

   The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
   INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
   OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

 */

#ifndef _TASKS_H_
#define _TASKS_H_

#include "SharedMutex.h"
#include <boost/enable_shared_from_this.hpp>
#include "Utility/Headers/GUIDWrapper.h"

namespace Divide {

enum CallbackParam {
    TYPE_INTEGER,
    TYPE_MEDIUM_INTEGER,
    TYPE_SMALL_INTEGER,
    TYPE_UNSIGNED_INTEGER,
    TYPE_MEDIUM_UNSIGNED_INTEGER,
    TYPE_SMALL_UNSIGNED_INTEGER,
    TYPE_STRING,
    TYPE_FLOAT,
    TYPE_DOUBLE,
    TYPE_CHAR
};
/**
 *@brief Using std::atomic for thread-shared data to avoid locking
 */
class Task : public GUIDWrapper, public boost::enable_shared_from_this<Task>
{
    typedef boost::signals2::signal<void(U64)> SendCompleted;
public:
    /**
     * @brief Creates a new Task that runs in a separate thread
     * @param tickInterval The delay (in microseconds) between each callback
     * @param numberOfTicks The number of times to call the callback function before the Task is deleted. 0 = run forever
     * @param f The callback function
     */
    Task(boost::threadpool::pool* tp, U64 tickInterval, I32 numberOfTicks, const DELEGATE_CBK<>& f);
    ~Task();

    void updateTickInterval(U64 tickInterval)  {_tickInterval = tickInterval;}
    void updateTickCounter(I32 numberOfTicks)  {_numberOfTicks = numberOfTicks;}
    void startTask();
    void stopTask();
    void pauseTask(bool state);

    inline bool isFinished() const {return _done;}

    typedef SendCompleted::slot_type SendCompletedSlot;
    boost::signals2::connection connect(const SendCompletedSlot &slot) {
        return _completionSignal.connect(slot);
    }

private:
    mutable SharedLock _lock;
    mutable std::atomic<U64> _tickInterval;
    mutable std::atomic<I32> _numberOfTicks;
    mutable std::atomic<bool> _end;
    mutable std::atomic<bool> _paused;
    mutable std::atomic<bool> _done;
	DELEGATE_CBK<> _callback;
    boost::threadpool::pool* _tp;
    SendCompleted            _completionSignal;

protected:
    void run();
};

typedef std::shared_ptr<Task> Task_ptr;

}; //namespace Divide

#endif

Commits for Divide-Framework/trunk/Source Code/Hardware/Platform/Headers/Task.h

Diff revisions: vs.
Revision Author Commited Message
331 Diff Diff IonutCava picture IonutCava Sat 06 Dec, 2014 20:53:45 +0000

[Ionut]
- Limited line length to 132 characters to improve readability and diff-comparisons
- Refactored memory allocation/deallocation functions
- Fixed a few compatibility issues with HashMap.h
- Fixed a bug in GPU Skinning shaders (cast a float to int)

326 Diff Diff IonutCava picture IonutCava Tue 30 Sep, 2014 21:11:32 +0000

[Ionut]
- Fixed more memory leaks
- Simplified Task interface and timing System
- Improved compatibility between Boost, STL and EASTL with random combinations of vectors, strings and maps
- Simplified Light class by removing the “slot” member
- Random optimizations

322 Diff Diff IonutCava picture IonutCava Sat 06 Sep, 2014 20:33:47 +0000

[Ionut]
- Refactored most of Boost related code to be C++11 based
— Boost is only used for ThreadPool, Mutex handling, XML parsing and networking (ASIO)
— Function binds, threads, regex, NonCopyable base, Hashing algorithms and more are now using C++11 libraries
- Replaced all FOR_EACH calls with standard, range, “for” calls

318 Diff Diff IonutCava picture IonutCava Sat 30 Aug, 2014 17:35:53 +0000

[Ionut]
- Wrapped the entire code in a “Divide” namespace
- VertexBuffers now call “shrink_to_fit” on all internal data storage
- Improved some vector performance by preferring “emplace_back” instead of “push_back” + proepr usage of reserve / resize
- Wrapped OIS specific types and classes in Divide::Input namespace
- Added the messageBox.layout file (forgot it in the previous few commits)

314 Diff Diff IonutCava picture IonutCava Sun 24 Aug, 2014 19:54:33 +0000

[Ionut]
- More AI work
- Added some needed audio dlls

264 Diff Diff k1ngp1n picture k1ngp1n Tue 27 May, 2014 13:04:38 +0000

[Ionut] [[BR]]
- New camera system: [[BR]]
— Stack based (push/pop active camera) [[BR]]
— Per camera frustum [[BR]]
— Per camera projection [[BR]]
— Shadow mapping now uses the new camera system (each light has a shadow camera) [[BR]]
[[BR]]
- New terrain, water and vegetation system: [[BR]]
— Direct import of terrain from L3DT both as 8-bit grayscale and 16-bit raw formats [[BR]]
— Multiple alpha maps for texture splatting support [[BR]]
— Per texture detail map support [[BR]]
— Transform feedback based visibility culling for vegetation [[BR]]
— Alpha-map based vegetation placing on terrain [[BR]]
— Water now uses a refraction map instead of alpha blending for better refraction effects [[BR]]
[[BR]]
- SceneGraph improvements: [[BR]]
— Better bounding box updates from child to parent [[BR]]
— Better onDraw / postDraw implementation [[BR]]
[[BR]]
- Performance improvements: [[BR]]
— Batch 2D rendering tasks together as much as possible[[BR]]
— Improve renderStateBlock hash generation for better sorting [[BR]]
— Move most state related gfx changes from API implementation to the GFXDevice class [[BR]]
— Move viewport stack to the GFXDevice class [[BR]]
— Added various performance counters (frame duration with round-robin query system, draw call count, etc) [[BR]]
— Fixed and improved clip plane management [[BR]]
— Delete client-side texture data after GPU upload [[BR]]
[[BR]]
- New features: [[BR]]
— Added callback support to the Task class so that a specific task may call a function in the main thread upon completion [[BR]]
— Added mouse-wheel zoom support to Orbit/ThirdPerson cameras [[BR]]
— Added 2D Texture Array support (e.g. used for terrain textures) [[BR]]

262 Diff Diff k1ngp1n picture k1ngp1n Tue 06 May, 2014 21:04:00 +0000

[Ionut] [[BR]]
- Some AI refactoring (basic AIEntity <-> AESOP interoperability) [[BR]]
- Some render batch sorting code refactored and fixed (wasn’t properly sorted in FINAL_STAGE) [[BR]]
- Simplified RenderStateBlockDescriptor and deferred hash value calculation [[BR]]
- Basic draw call count implementation [[BR]]
- Renamed some classes [[BR]]

250 Diff Diff k1ngp1n picture k1ngp1n Wed 02 Apr, 2014 12:36:36 +0000

[Ionut] [[BR]]
- More C++11 work [[BR]]
- Renamed “for_each” macro to “FOR_EACH” to avoid name conflicts with the C++11 function [[BR]]

242 Diff Diff k1ngp1n picture k1ngp1n Mon 03 Feb, 2014 21:05:28 +0000

[Ionut] [[BR]]
- Smoother third person camera [[BR]]
- Smoother Character movement [[BR]]
- Limit third person camera rotations (-179 ... + 179 yaw, -31.5 ... +60 pitch) [[BR]]
- Character and third person camera performance optimizations [[BR]]

239 k1ngp1n picture k1ngp1n Sat 01 Feb, 2014 18:07:03 +0000

- decoupled some classes and moved rebalanced responsibilities around [[BR]]
— e.g. GFX class is now responsible for creating and destroying PostFX and ShaderManager instances [[BR]]
— e.g. Kernel should not do any GUI queries [[BR]]