Bump OculusVR RIFT SDK to 0.5.0.1vanilla_0.5.0.1

1 files changed, 316 insertions, 0 deletions

diff --git a/LibOVRKernel/Src/Kernel/OVR_Deque.h b/LibOVRKernel/Src/Kernel/OVR_Deque.h
new file mode 100644
index 0000000..951ed84
--- /dev/null
+++ b/LibOVRKernel/Src/Kernel/OVR_Deque.h
@@ -0,0 +1,316 @@
+/************************************************************************************
+
+Filename    :   OVR_Deque.h
+Content     :   Deque container
+Created     :   Nov. 15, 2013
+Authors     :   Dov Katz
+
+Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (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-3.2 
+
+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_Deque_h
+#define OVR_Deque_h
+
+#include "OVR_ContainerAllocator.h"
+
+namespace OVR{ 
+
+template <class Elem, class Allocator = ContainerAllocator<Elem> >
+class Deque
+{
+public:
+    enum
+    {
+        DefaultCapacity = 500
+    };
+
+    Deque(int capacity = DefaultCapacity);
+    virtual ~Deque(void);
+
+    virtual void         PushBack   (const Elem &Item);    // Adds Item to the end
+    virtual void         PushFront  (const Elem &Item);    // Adds Item to the beginning
+    virtual Elem         PopBack    (void);                // Removes Item from the end
+    virtual Elem         PopFront   (void);                // Removes Item from the beginning
+    virtual const Elem&  PeekBack   (int count = 0) const; // Returns count-th Item from the end
+    virtual const Elem&  PeekFront  (int count = 0) const; // Returns count-th Item from the beginning
+
+	virtual inline size_t GetSize    (void)          const; // Returns Number of Elements
+	OVR_FORCE_INLINE int GetSizeI   (void)          const
+	{
+		return (int)GetSize();
+	}
+    virtual inline size_t GetCapacity(void)          const; // Returns the maximum possible number of elements
+    virtual void         Clear      (void);				   // Remove all elements
+    virtual inline bool  IsEmpty    ()              const;
+    virtual inline bool  IsFull     ()              const;
+
+protected:
+    Elem        *Data;          // The actual Data array
+    const int   Capacity;       // Deque capacity
+    int         Beginning;      // Index of the first element
+    int         End;            // Index of the next after last element
+
+    // Instead of calculating the number of elements, using this variable
+    // is much more convenient.
+    int         ElemCount;
+
+private:
+    OVR_NON_COPYABLE(Deque);
+};
+
+template <class Elem, class Allocator = ContainerAllocator<Elem> >
+class InPlaceMutableDeque : public Deque<Elem, Allocator>
+{
+    typedef Deque<Elem, Allocator> BaseType;
+
+public:
+    InPlaceMutableDeque( int capacity = BaseType::DefaultCapacity ) : BaseType( capacity ) {}
+	virtual ~InPlaceMutableDeque() {};
+
+    using BaseType::PeekBack;
+    using BaseType::PeekFront;
+	virtual Elem& PeekBack  (int count = 0); // Returns count-th Item from the end
+	virtual Elem& PeekFront (int count = 0); // Returns count-th Item from the beginning
+};
+
+// Same as Deque, but allows to write more elements than maximum capacity
+// Old elements are lost as they are overwritten with the new ones
+template <class Elem, class Allocator = ContainerAllocator<Elem> >
+class CircularBuffer : public InPlaceMutableDeque<Elem, Allocator>
+{
+    typedef InPlaceMutableDeque<Elem, Allocator> BaseType;
+
+public:
+    CircularBuffer(int MaxSize = BaseType::DefaultCapacity) : BaseType(MaxSize) { };
+    virtual ~CircularBuffer(){}
+
+    // The following methods are inline as a workaround for a VS bug causing erroneous C4505 warnings
+    // See: http://stackoverflow.com/questions/3051992/compiler-warning-at-c-template-base-class
+    inline virtual void PushBack  (const Elem &Item);    // Adds Item to the end, overwriting the oldest element at the beginning if necessary
+    inline virtual void PushFront (const Elem &Item);    // Adds Item to the beginning, overwriting the oldest element at the end if necessary
+};
+
+//----------------------------------------------------------------------------------
+
+// Deque Constructor function
+template <class Elem, class Allocator>
+Deque<Elem, Allocator>::Deque(int capacity) :
+Capacity( capacity ), Beginning(0), End(0), ElemCount(0)
+{
+    Data = (Elem*) Allocator::Alloc(Capacity * sizeof(Elem));
+}
+
+// Deque Destructor function
+template <class Elem, class Allocator>
+Deque<Elem, Allocator>::~Deque(void)
+{
+    Clear();
+    Allocator::Free(Data);
+}
+
+template <class Elem, class Allocator>
+void Deque<Elem, Allocator>::Clear()
+{
+    if (!IsEmpty())
+    {
+        if (Beginning < End)
+        {
+            // no wrap-around
+            Allocator::DestructArray(Data + Beginning, End - Beginning);
+        }
+        else
+        {
+            // wrap-around
+            Allocator::DestructArray(Data + Beginning, Capacity - Beginning);
+            Allocator::DestructArray(Data, End);
+        }
+    }
+    
+    Beginning = 0;
+    End       = 0;
+    ElemCount = 0;
+}
+
+// Push functions
+template <class Elem, class Allocator>
+void Deque<Elem, Allocator>::PushBack(const Elem &Item)
+{
+    // Error Check: Make sure we aren't  
+    // exceeding our maximum storage space
+    OVR_ASSERT( ElemCount < Capacity );
+
+    Allocator::Construct(Data + End, Item);
+    ++End;
+    ++ElemCount;
+
+    // Check for wrap-around
+    if (End >= Capacity)
+        End -= Capacity;
+}
+
+template <class Elem, class Allocator>
+void Deque<Elem, Allocator>::PushFront(const Elem &Item)
+{
+    // Error Check: Make sure we aren't  
+    // exceeding our maximum storage space
+    OVR_ASSERT( ElemCount < Capacity );
+
+    --Beginning;
+    // Check for wrap-around
+    if (Beginning < 0)
+        Beginning += Capacity;
+
+    Allocator::Construct(Data + Beginning, Item);
+    ++ElemCount;
+}
+
+// Pop functions
+template <class Elem, class Allocator>
+Elem Deque<Elem, Allocator>::PopFront(void)
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( ElemCount > 0 );
+
+	Elem ReturnValue = Data[ Beginning ];
+    Allocator::Destruct(Data + Beginning);
+
+	++Beginning;
+    --ElemCount;
+
+    // Check for wrap-around
+    if (Beginning >= Capacity)
+        Beginning -= Capacity;
+
+    return ReturnValue;
+}
+
+template <class Elem, class Allocator>
+Elem Deque<Elem, Allocator>::PopBack(void)
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( ElemCount > 0 );
+
+    --End;
+    --ElemCount;
+
+    // Check for wrap-around
+    if (End < 0)
+        End += Capacity;
+
+    Elem ReturnValue = Data[ End ];
+    Allocator::Destruct(Data + End);
+
+    return ReturnValue;
+}
+
+// Peek functions
+template <class Elem, class Allocator>
+const Elem& Deque<Elem, Allocator>::PeekFront(int count) const
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( ElemCount > count );
+
+    int idx = Beginning + count;
+    if (idx >= Capacity)
+        idx -= Capacity;
+    return Data[ idx ];
+}
+
+template <class Elem, class Allocator>
+const Elem& Deque<Elem, Allocator>::PeekBack(int count) const
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( ElemCount > count );
+
+    int idx = End - count - 1;
+    if (idx < 0)
+        idx += Capacity;
+    return Data[ idx ];
+}
+
+// Mutable Peek functions
+template <class Elem, class Allocator>
+Elem& InPlaceMutableDeque<Elem, Allocator>::PeekFront(int count)
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( BaseType::ElemCount > count );
+
+    int idx = BaseType::Beginning + count;
+    if (idx >= BaseType::Capacity)
+        idx -= BaseType::Capacity;
+    return BaseType::Data[ idx ];
+}
+
+template <class Elem, class Allocator>
+Elem& InPlaceMutableDeque<Elem, Allocator>::PeekBack(int count)
+{
+    // Error Check: Make sure we aren't reading from an empty Deque
+    OVR_ASSERT( BaseType::ElemCount > count );
+
+    int idx = BaseType::End - count - 1;
+    if (idx < 0)
+        idx += BaseType::Capacity;
+    return BaseType::Data[ idx ];
+}
+
+template <class Elem, class Allocator>
+inline size_t Deque<Elem, Allocator>::GetCapacity(void) const
+{
+    return Capacity;
+}
+
+template <class Elem, class Allocator>
+inline size_t Deque<Elem, Allocator>::GetSize(void) const
+{
+    return ElemCount;
+}
+
+template <class Elem, class Allocator>
+inline bool Deque<Elem, Allocator>::IsEmpty(void) const
+{
+    return ElemCount == 0;
+}
+
+template <class Elem, class Allocator>
+inline bool Deque<Elem, Allocator>::IsFull(void) const
+{
+    return ElemCount == Capacity;
+}
+
+// ******* CircularBuffer<Elem> *******
+// Push functions
+template <class Elem, class Allocator>
+void CircularBuffer<Elem, Allocator>::PushBack(const Elem &Item)
+{
+    if (this->IsFull())
+        this->PopFront();
+    BaseType::PushBack(Item);
+}
+
+template <class Elem, class Allocator>
+void CircularBuffer<Elem, Allocator>::PushFront(const Elem &Item)
+{
+    if (this->IsFull())
+        this->PopBack();
+    BaseType::PushFront(Item);
+}
+
+};   
+
+#endif