0.4 Win-Beta0.4.0

1 files changed, 0 insertions, 319 deletions

diff --git a/LibOVR/Src/OVR_ThreadCommandQueue.h b/LibOVR/Src/OVR_ThreadCommandQueue.h
deleted file mode 100644
index 9774212..0000000
--- a/LibOVR/Src/OVR_ThreadCommandQueue.h
+++ /dev/null
@@ -1,319 +0,0 @@
-/************************************************************************************
-
-PublicHeader:   None
-Filename    :   OVR_ThreadCommandQueue.h
-Content     :   Command queue for operations executed on a thread
-Created     :   October 29, 2012
-Author      :   Michael Antonov
-
-Copyright   :   Copyright 2014 Oculus VR, Inc. All Rights reserved.
-
-Licensed under the Oculus VR Rift SDK License Version 3.1 (the "License"); 
-you may not use the Oculus VR Rift SDK except in compliance with the License, 
-which is provided at the time of installation or download, or which 
-otherwise accompanies this software in either electronic or hard copy form.
-
-You may obtain a copy of the License at
-
-http://www.oculusvr.com/licenses/LICENSE-3.1 
-
-Unless required by applicable law or agreed to in writing, the Oculus VR SDK 
-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.
-
-************************************************************************************/
-
-#ifndef OVR_ThreadCommandQueue_h
-#define OVR_ThreadCommandQueue_h
-
-#include "Kernel/OVR_Types.h"
-#include "Kernel/OVR_List.h"
-#include "Kernel/OVR_Atomic.h"
-#include "Kernel/OVR_Threads.h"
-
-namespace OVR {
-
-class ThreadCommand;
-class ThreadCommandQueue;
-
-
-//-------------------------------------------------------------------------------------
-// ***** ThreadCommand
-
-// ThreadCommand is a base class implementation for commands stored in ThreadCommandQueue.
-class ThreadCommand
-{
-public:    
-
-    // NotifyEvent is used by ThreadCommandQueue::PushCallAndWait to notify the
-    // calling (producer)  thread when command is completed or queue slot is available.
-    class NotifyEvent : public ListNode<NotifyEvent>, public NewOverrideBase
-    {
-        Event E;
-    public:   
-        NotifyEvent() { }
-
-        void Wait()        { E.Wait(); }
-        void PulseEvent()  { E.PulseEvent(); }
-    };
-
-    // ThreadCommand::PopBuffer is temporary storage for a command popped off
-    // by ThreadCommandQueue::PopCommand. 
-    class PopBuffer
-    {
-        enum { MaxSize = 256 };
-
-        UPInt Size;
-        union {            
-            UByte Buffer[MaxSize];
-            UPInt Align;
-        };
-
-        ThreadCommand* toCommand() const { return (ThreadCommand*)Buffer; }
-
-    public:
-        PopBuffer() : Size(0) { }
-        ~PopBuffer();
-
-        void        InitFromBuffer(void* data);
-
-        bool        HasCommand() const  { return Size != 0; }
-        UPInt       GetSize() const     { return Size; }
-        bool        NeedsWait() const   { return toCommand()->NeedsWait(); }
-        NotifyEvent* GetEvent() const   { return toCommand()->pEvent; }
-
-        // Execute the command and also notifies caller to finish waiting,
-        // if necessary.
-        void        Execute();
-    };
-    
-    UInt16       Size;
-    bool         WaitFlag; 
-    bool         ExitFlag; // Marks the last exit command. 
-    NotifyEvent* pEvent;
-
-    ThreadCommand(UPInt size, bool waitFlag, bool exitFlag = false)
-        : Size((UInt16)size), WaitFlag(waitFlag), ExitFlag(exitFlag), pEvent(0) { }
-    virtual ~ThreadCommand() { }
-
-    bool          NeedsWait() const { return WaitFlag; }
-    UPInt         GetSize() const   { return Size; }
-
-    virtual void            Execute() const = 0;
-    // Copy constructor used for serializing this to memory buffer.
-    virtual ThreadCommand*  CopyConstruct(void* p) const = 0;
-};
-
-
-//-------------------------------------------------------------------------------------
-
-// CleanType is a template that strips 'const' and '&' modifiers from the argument type;
-// for example, typename CleanType<A&>::Type is equivalent to A.
-template<class T> struct CleanType           { typedef T Type; };
-template<class T> struct CleanType<T&>       { typedef T Type; };
-template<class T> struct CleanType<const T>  { typedef T Type; };
-template<class T> struct CleanType<const T&> { typedef T Type; };
-
-// SelfType is a template that yields the argument type. This helps avoid conflicts with
-// automatic template argument deduction for function calls when identical argument
-// is already defined.
-template<class T> struct SelfType { typedef T Type; };
-
-
-
-//-------------------------------------------------------------------------------------
-// ThreadCommand specializations for member functions with different number of
-// arguments and argument types.
-
-// Used to return nothing from a ThreadCommand, to avoid problems with 'void'.
-struct Void
-{
-    Void() {}
-    Void(int) {}
-};
-
-// ThreadCommand for member function with 0 arguments.
-template<class C, class R>
-class ThreadCommandMF0 : public ThreadCommand
-{   
-    typedef R (C::*FnPtr)();
-    C*      pClass;
-    FnPtr   pFn;
-    R*      pRet;
-
-    void executeImpl() const
-    {
-        pRet ? (void)(*pRet = (pClass->*pFn)()) :
-	           (void)(pClass->*pFn)();
-    }
-
-public:    
-    ThreadCommandMF0(C* pclass, FnPtr fn, R* ret, bool needsWait)
-        : ThreadCommand(sizeof(ThreadCommandMF0), needsWait),
-          pClass(pclass), pFn(fn), pRet(ret) { }
-
-    virtual void           Execute() const { executeImpl(); }
-    virtual ThreadCommand* CopyConstruct(void* p) const
-    { return Construct<ThreadCommandMF0>(p, *this); }
-};
-
-
-// ThreadCommand for member function with 1 argument.
-template<class C, class R, class A0>
-class ThreadCommandMF1 : public ThreadCommand
-{   
-    typedef R (C::*FnPtr)(A0);
-    C*                           pClass;
-    FnPtr                        pFn;
-    R*                           pRet;
-    typename CleanType<A0>::Type AVal0;
-
-    void executeImpl() const
-    {
-      pRet ? (void)(*pRet = (pClass->*pFn)(AVal0)) :
-	         (void)(pClass->*pFn)(AVal0);
-    }
-
-public:    
-    ThreadCommandMF1(C* pclass, FnPtr fn, R* ret, A0 a0, bool needsWait)
-        : ThreadCommand(sizeof(ThreadCommandMF1), needsWait),
-          pClass(pclass), pFn(fn), pRet(ret), AVal0(a0) { }
-
-    virtual void           Execute() const { executeImpl(); }
-    virtual ThreadCommand* CopyConstruct(void* p) const
-    { return Construct<ThreadCommandMF1>(p, *this); }
-};
-
-// ThreadCommand for member function with 2 arguments.
-template<class C, class R, class A0, class A1>
-class ThreadCommandMF2 : public ThreadCommand
-{   
-    typedef R (C::*FnPtr)(A0, A1);
-    C*                            pClass;
-    FnPtr                         pFn;
-    R*                            pRet;
-    typename CleanType<A0>::Type  AVal0;
-    typename CleanType<A1>::Type  AVal1;
-
-    void executeImpl() const
-    {
-        pRet ? (void)(*pRet = (pClass->*pFn)(AVal0, AVal1)) :
-	           (void)(pClass->*pFn)(AVal0, AVal1);
-    }
-
-public:    
-    ThreadCommandMF2(C* pclass, FnPtr fn, R* ret, A0 a0, A1 a1, bool needsWait)
-        : ThreadCommand(sizeof(ThreadCommandMF2), needsWait),
-          pClass(pclass), pFn(fn), pRet(ret), AVal0(a0), AVal1(a1) { }
-    
-    virtual void           Execute() const { executeImpl(); }
-    virtual ThreadCommand* CopyConstruct(void* p) const 
-    { return Construct<ThreadCommandMF2>(p, *this); }
-};
-
-
-//-------------------------------------------------------------------------------------
-// ***** ThreadCommandQueue
-
-// ThreadCommandQueue is a queue of executable function-call commands intended to be
-// serviced by a single consumer thread. Commands are added to the queue with PushCall
-// and removed with PopCall; they are processed in FIFO order. Multiple producer threads
-// are supported and will be blocked if internal data buffer is full.
-
-class ThreadCommandQueue
-{
-public:
-
-    ThreadCommandQueue();
-    virtual ~ThreadCommandQueue();
-
-
-    // Pops the next command from the thread queue, if any is available.
-    // The command should be executed by calling popBuffer->Execute().
-    // Returns 'false' if no command is available at the time of the call.
-    bool PopCommand(ThreadCommand::PopBuffer* popBuffer);
-
-    // Generic implementaion of PushCommand; enqueues a command for execution.
-    // Returns 'false' if push failed, usually indicating thread shutdown.
-    bool PushCommand(const ThreadCommand& command);
-
-    // 
-    void PushExitCommand(bool wait);
-
-    // Returns 'true' once ExitCommand has been processed, so the thread can shut down.
-    bool IsExiting() const;
-
-
-    // These two virtual functions serve as notifications for derived
-    // thread waiting.    
-    virtual void OnPushNonEmpty_Locked() { }
-    virtual void OnPopEmpty_Locked()     { }
-
-
-    // *** PushCall with no result
-    
-    // Enqueue a member function of 'this' class to be called on consumer thread.
-    // By default the function returns immediately; set 'wait' argument to 'true' to
-    // wait for completion.
-    template<class C, class R>
-    bool PushCall(R (C::*fn)(), bool wait = false)
-    { return PushCommand(ThreadCommandMF0<C,R>(static_cast<C*>(this), fn, 0, wait)); }       
-    template<class C, class R, class A0>
-    bool PushCall(R (C::*fn)(A0), typename SelfType<A0>::Type a0, bool wait = false)
-    { return PushCommand(ThreadCommandMF1<C,R,A0>(static_cast<C*>(this), fn, 0, a0, wait)); }
-    template<class C, class R, class A0, class A1>
-    bool PushCall(R (C::*fn)(A0, A1),
-                  typename SelfType<A0>::Type a0, typename SelfType<A1>::Type a1, bool wait = false)
-    { return PushCommand(ThreadCommandMF2<C,R,A0,A1>(static_cast<C*>(this), fn, 0, a0, a1, wait)); }
-    // Enqueue a specified member function call of class C.
-    // By default the function returns immediately; set 'wait' argument to 'true' to
-    // wait for completion.
-    template<class C, class R>
-    bool PushCall(C* p, R (C::*fn)(), bool wait = false)
-    { return PushCommand(ThreadCommandMF0<C,R>(p, fn, 0, wait)); }
-    template<class C, class R, class A0>
-    bool PushCall(C* p, R (C::*fn)(A0), typename SelfType<A0>::Type a0, bool wait = false)
-    { return PushCommand(ThreadCommandMF1<C,R,A0>(p, fn, 0, a0, wait)); }
-    template<class C, class R, class A0, class A1>
-    bool PushCall(C* p, R (C::*fn)(A0, A1),
-                  typename SelfType<A0>::Type a0, typename SelfType<A1>::Type a1, bool wait = false)
-    { return PushCommand(ThreadCommandMF2<C,R,A0,A1>(p, fn, 0, a0, a1, wait)); }
-    
-    
-    // *** PushCall with Result
-
-    // Enqueue a member function of 'this' class call and wait for call to complete
-    // on consumer thread before returning.
-    template<class C, class R>
-    bool PushCallAndWaitResult(R (C::*fn)(), R* ret)
-    { return PushCommand(ThreadCommandMF0<C,R>(static_cast<C*>(this), fn, ret, true)); }       
-    template<class C, class R, class A0>
-    bool PushCallAndWaitResult(R (C::*fn)(A0), R* ret, typename SelfType<A0>::Type a0)
-    { return PushCommand(ThreadCommandMF1<C,R,A0>(static_cast<C*>(this), fn, ret, a0, true)); }
-    template<class C, class R, class A0, class A1>
-    bool PushCallAndWaitResult(R (C::*fn)(A0, A1), R* ret,
-                               typename SelfType<A0>::Type a0, typename SelfType<A1>::Type a1)
-    { return PushCommand(ThreadCommandMF2<C,R,A0,A1>(static_cast<C*>(this), fn, ret, a0, a1, true)); }
-    // Enqueue a member function call for class C and wait for the call to complete
-    // on consumer thread before returning.
-    template<class C, class R>
-    bool PushCallAndWaitResult(C* p, R (C::*fn)(), R* ret)
-    { return PushCommand(ThreadCommandMF0<C,R>(p, fn, ret, true)); }
-    template<class C, class R, class A0>
-    bool PushCallAndWaitResult(C* p, R (C::*fn)(A0), R* ret, typename SelfType<A0>::Type a0)
-    { return PushCommand(ThreadCommandMF1<C,R,A0>(p, fn, ret, a0, true)); }
-    template<class C, class R, class A0, class A1>
-    bool PushCallAndWaitResult(C* p, R (C::*fn)(A0, A1), R* ret,
-                               typename SelfType<A0>::Type a0, typename SelfType<A1>::Type a1)
-    { return PushCommand(ThreadCommandMF2<C,R,A0,A1>(p, fn, ret, a0, a1, true)); }
-
-private:
-    class ThreadCommandQueueImpl* pImpl;
-};
-
-
-}
-
-#endif // OVR_ThreadCommandQueue_h