Merge private branch.

src/nvcore/Algorithms.h

@@ -0,0 +1,147 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#ifndef NV_CORE_ALGORITHMS_H
+#define NV_CORE_ALGORITHMS_H
+
+namespace nv
+{
+
+	/// Return the maximum of two values.
+	template <typename T> 
+	inline const T & max(const T & a, const T & b)
+	{
+		//return std::max(a, b);
+		if( a < b ) {
+			return b; 
+		}
+		return a;
+	}
+	
+	/// Return the minimum of two values.
+	template <typename T> 
+	inline const T & min(const T & a, const T & b)
+	{
+		//return std::min(a, b);
+		if( b < a ) {
+			return b; 
+		}
+		return a;
+	}
+
+	/// Clamp between two values.
+	template <typename T> 
+	inline const T & clamp(const T & x, const T & a, const T & b)
+	{
+		return min(max(x, a), b);
+	}
+	
+	/// Delete all the elements of a container.
+	template <typename T>
+	void deleteAll(T & container)
+	{
+		for (typename T::PseudoIndex i = container.start(); !container.isDone(i); container.advance(i))
+		{
+			delete container[i];
+		}
+	}
+	
+	
+	// @@ Swap should be implemented here.
+	
+	
+#if 0
+	// This does not use swap, but copies, in some cases swaps are much faster than copies!
+	// Container should implement operator[], and size()
+	template <class Container, class T>
+	void insertionSort(Container<T> & container)
+	{
+		const uint n = container.size();
+		for (uint i=1; i < n; ++i)
+		{
+			T value = container[i];
+			uint j = i;
+			while (j > 0 && container[j-1] > value)
+			{
+				container[j] = container[j-1];
+				--j;
+			}
+			if (i != j)
+			{
+				container[j] = value;
+			}
+		}
+	}
+
+	template <class Container, class T>
+	void quickSort(Container<T> & container)
+	{
+		quickSort(container, 0, container.count());
+	}
+	
+	{
+		/* threshhold for transitioning to insertion sort */
+		while (n > 12) {
+			int c01,c12,c,m,i,j;
+
+			/* compute median of three */
+			m = n >> 1;
+			c = p[0] > p[m];
+			c01 = c;
+			c = &p[m] > &p[n-1];
+			c12 = c;
+			/* if 0 >= mid >= end, or 0 < mid < end, then use mid */
+			if (c01 != c12) {
+				/* otherwise, we'll need to swap something else to middle */
+				int z;
+				c = p[0] < p[n-1];
+				/* 0>mid && mid<n:  0>n => n; 0<n => 0 */
+				/* 0<mid && mid>n:  0>n => 0; 0<n => n */
+				z = (c == c12) ? 0 : n-1;
+				swap(p[z], p[m]);
+			}
+			/* now p[m] is the median-of-three */
+			/* swap it to the beginning so it won't move around */
+			swap(p[0], p[m]);
+
+			/* partition loop */
+			i=1;
+			j=n-1;
+			for(;;) {
+				/* handling of equality is crucial here */
+				/* for sentinels & efficiency with duplicates */
+				for (;;++i) {
+					c = p[i] > p[0];
+					if (!c) break;
+				}
+				a = &p[0];
+				for (;;--j) {
+					b=&p[j];
+					c = p[j] > p[0]
+					if (!c) break;
+				}
+				/* make sure we haven't crossed */
+				if (i >= j) break;
+				swap(p[i], p[j]);
+
+				++i;
+				--j;
+			}
+			/* recurse on smaller side, iterate on larger */
+			if (j < (n-i)) {
+				quickSort(p, j);
+				p = p+i;
+				n = n-i;
+			} 
+			else {
+				quickSort(p+i, n-i);
+				n = j;
+			}
+		}
+		
+		insertionSort();
+	}
+#endif // 0
+
+} // nv namespace
+
+#endif // NV_CORE_ALGORITHMS_H

src/nvcore/BitArray.h

@@ -80,13 +80,13 @@ public:
 	/// Clear all the bits.
 	void clearAll()
 	{
-		memset(m_bitArray.unsecureBuffer(), 0, m_bitArray.size());
+		memset(m_bitArray.mutableBuffer(), 0, m_bitArray.size());
 	}
 
 	/// Set all the bits.
 	void setAll()
 	{
-		memset(m_bitArray.unsecureBuffer(), 0xFF, m_bitArray.size());
+		memset(m_bitArray.mutableBuffer(), 0xFF, m_bitArray.size());
 	}
 
 	/// Toggle all the bits.

src/nvcore/CMakeLists.txt

@@ -3,7 +3,13 @@ ADD_SUBDIRECTORY(poshlib)
 
 SET(CORE_SRCS
 	nvcore.h
+	DefsGnucDarwin.h
+	DefsGnucLinux.h
+	DefsGnucWin32.h
+	DefsVcWin32.h
 	Ptr.h
+	RefCounted.h
+	RefCounted.cpp
 	BitArray.h
 	Memory.h
 	Memory.cpp
@@ -19,7 +25,10 @@ SET(CORE_SRCS
 	TextWriter.h
 	TextWriter.cpp
 	Radix.h
-	Radix.cpp)
+	Radix.cpp
+	CpuInfo.h
+	CpuInfo.cpp
+	Algorithms.h)
 
 INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR})
 

src/nvcore/Containers.h

@@ -19,6 +19,7 @@ Do not use memmove in insert & remove, use copy ctors instead.
 #include <nvcore/nvcore.h>
 #include <nvcore/Memory.h>
 #include <nvcore/Debug.h>
+//#include <nvcore/Stream.h>
 
 #include <string.h>	// memmove
 #include <new>		// for placement new
@@ -70,40 +71,10 @@ namespace nv
 {
 	// Templates
 
-	/// Return the maximum of two values.
-	template <typename T> 
-	inline const T & max(const T & a, const T & b)
-	{
-		//return std::max(a, b);
-		if( a < b ) {
-			return b; 
-		}
-		return a;
-	}
-	
-	/// Return the minimum of two values.
-	template <typename T> 
-	inline const T & min(const T & a, const T & b)
-	{
-		//return std::min(a, b);
-		if( b < a ) {
-			return b; 
-		}
-		return a;
-	}
-	
-	/// Clamp between two values.
-	template <typename T> 
-	inline const T & clamp(const T & x, const T & a, const T & b)
-	{
-		return min(max(x, a), b);
-	}
-	
 	/// Swap two values.
 	template <typename T> 
 	inline void swap(T & a, T & b)
 	{
-		//return std::swap(a, b);
 		T temp = a; 
 		a = b; 
 		b = temp;
@@ -134,16 +105,6 @@ namespace nv
 		uint operator()(uint x) const { return x; }
 	};
 	
-	/// Delete all the elements of a container.
-	template <typename T>
-	void deleteAll(T & container)
-	{
-		for(typename T::PseudoIndex i = container.start(); !container.isDone(i); container.advance(i))
-		{
-			delete container[i];
-		}
-	}
-
 	
 	/** Return the next power of two. 
 	* @see http://graphics.stanford.edu/~seander/bithacks.html
@@ -154,7 +115,7 @@ namespace nv
 	inline uint nextPowerOfTwo( uint x )
 	{
 		nvDebugCheck( x != 0 );
-	#if 1	// On modern CPUs this is as fast as using the bsr instruction.
+	#if 1	// On modern CPUs this is supposed to be as fast as using the bsr instruction.
 		x--;
 		x |= x >> 1;
 		x |= x >> 2;
@@ -177,15 +138,6 @@ namespace nv
 		return (n & (n-1)) == 0;
 	}
 
-	/// Simple iterator interface.
-	template <typename T>
-	struct Iterator
-	{
-		virtual void advance();
-		virtual bool isDone();
-		virtual T current();
-	};
-
 
 	/**
 	* Replacement for std::vector that is easier to debug and provides
@@ -252,7 +204,7 @@ namespace nv
 		const T * buffer() const { return m_buffer; }
 	
 		/// Get vector pointer.
-		T * unsecureBuffer() { return m_buffer; }
+		T * mutableBuffer() { return m_buffer; }
 	
 		/// Is vector empty.
 		bool isEmpty() const { return m_size == 0; }

src/nvcore/CpuInfo.cpp

@@ -0,0 +1,88 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include <nvcore/CpuInfo.h>
+#include <nvcore/Debug.h>
+
+using namespace nv;
+
+#if NV_OS_WIN32
+
+#define _WIN32_WINNT 0x0501
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
+
+static bool isWow64()
+{
+	LPFN_ISWOW64PROCESS fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(GetModuleHandle(TEXT("kernel32")), "IsWow64Process");
+
+	BOOL bIsWow64 = FALSE;
+
+	if (NULL != fnIsWow64Process)
+	{
+		if (!fnIsWow64Process(GetCurrentProcess(), &bIsWow64))
+		{
+			return false;
+		}
+	}
+
+	return bIsWow64 == TRUE;
+}
+
+#endif // NV_OS_WIN32
+
+
+
+uint CpuInfo::processorCount()
+{
+#if NV_OS_WIN32
+	SYSTEM_INFO sysInfo;
+
+	typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
+
+	if (isWow64())
+	{
+		GetNativeSystemInfo(&sysInfo);
+	}
+	else
+	{
+		GetSystemInfo(&sysInfo);
+	}
+
+	uint count = (uint)sysInfo.dwNumberOfProcessors;
+	nvDebugCheck(count >= 1);
+
+	return count;
+#else
+	return 1;
+#endif
+}
+
+uint CpuInfo::coreCount()
+{
+	return 1;
+}
+
+bool CpuInfo::hasMMX()
+{
+	return false;
+}
+
+bool CpuInfo::hasSSE()
+{
+	return false;
+}
+
+bool CpuInfo::hasSSE2()
+{
+	return false;
+}
+
+bool CpuInfo::hasSSE3()
+{
+	return false;
+}
+
+
+

src/nvcore/CpuInfo.h

@@ -0,0 +1,88 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#ifndef NV_CORE_CPUINFO_H
+#define NV_CORE_CPUINFO_H
+
+#include <nvcore/nvcore.h>
+
+#if NV_CC_MSVC
+#	include <intrin.h> // __rdtsc
+#endif
+
+
+namespace nv
+{
+
+	// CPU Information.
+	class CpuInfo
+	{
+		static uint processorCount();
+		static uint coreCount();
+
+		static bool hasMMX();
+		static bool hasSSE();
+		static bool hasSSE2();
+		static bool hasSSE3();
+
+	};
+
+#if NV_CC_MSVC
+	#pragma intrinsic(__rdtsc)
+
+	inline uint64 rdtsc()
+	{
+		return __rdtsc();
+	}
+#endif
+
+#if NV_CC_GNUC
+
+#if defined(__i386__)
+
+	inline /*volatile*/ uint64 rdtsc()
+	{
+		uint64 x;
+		//__asm__ volatile ("rdtsc" : "=A" (x));
+		__asm__ volatile (".byte 0x0f, 0x31" : "=A" (x));
+		return x;
+	} 
+
+#elif defined(__x86_64__)
+
+	static __inline__ uint64 rdtsc(void)
+	{
+		unsigned int hi, lo;
+		__asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
+		return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 );
+	}
+
+#elif defined(__powerpc__)
+
+	static __inline__ uint64 rdtsc(void)
+	{
+		uint64 result=0;
+		unsigned long int upper, lower, tmp;
+		__asm__ volatile(
+					"0:                  \n"
+					"\tmftbu   %0           \n"
+					"\tmftb    %1           \n"
+					"\tmftbu   %2           \n"
+					"\tcmpw    %2,%0        \n"
+					"\tbne     0b         \n"
+					: "=r"(upper),"=r"(lower),"=r"(tmp)
+					);
+		result = upper;
+		result = result<<32;
+		result = result|lower;
+
+		return(result);
+	}
+
+#endif
+
+#endif // NV_CC_GNUC
+
+
+} // nv namespace
+
+#endif // NV_CORE_CPUINFO_H

src/nvcore/DefsVcWin32.h

@@ -70,8 +70,6 @@ typedef uint32              uint;
 #pragma warning(disable : 4711)		// function selected for automatic inlining
 #pragma warning(disable : 4725)		// Pentium fdiv bug
 
-#pragma warning(disable : 4345)		// behavior change: an object of POD type constructed with an initializer of the form () will be default-initialized
-
 #pragma warning(disable : 4786)		// Identifier was truncated and cannot be debugged.
 
 #pragma warning(disable : 4675)		// resolved overload was found by argument-dependent lookup

src/nvcore/Ptr.h

@@ -8,6 +8,11 @@
 
 #include <stdio.h>	// NULL
 
+#define NV_DECLARE_PTR(Class) \
+	typedef SmartPtr<class Class> Class ## Ptr; \
+	typedef SmartPtr<const class Class> ClassConst ## Ptr
+
+
 namespace nv
 {
 	
@@ -93,125 +98,23 @@ private:
 	T * m_ptr;
 };
 
-#if 0
-/** Reference counted base class to be used with Pointer.
- *
- * The only requirement of the Pointer class is that the RefCounted class implements the 
- * addRef and release methods.
- */
-class RefCounted
-{
-	NV_FORBID_COPY(RefCounted);
-public:
-
-	/// Ctor.
-	RefCounted() : m_count(0), m_weak_proxy(NULL)
-	{
-		s_total_obj_count++;
-	}
-
-	/// Virtual dtor.
-	virtual ~RefCounted()
-	{
-		nvCheck( m_count == 0 );
-		nvCheck( s_total_obj_count > 0 );
-		s_total_obj_count--;
-	}
-
-
-	/// Increase reference count.
-	uint addRef() const
-	{
-		s_total_ref_count++;
-		m_count++;
-		return m_count;
-	}
-
-
-	/// Decrease reference count and remove when 0.
-	uint release() const
-	{
-		nvCheck( m_count > 0 );
-		
-		s_total_ref_count--;
-		m_count--;
-		if( m_count == 0 ) {
-			releaseWeakProxy();
-			delete this;
-			return 0;
-		}
-		return m_count;
-	}
-
-	/// Get weak proxy.
-	WeakProxy * getWeakProxy() const
-	{
-		if (m_weak_proxy == NULL) {
-			m_weak_proxy = new WeakProxy;
-			m_weak_proxy->AddRef();
-		}
-		return m_weak_proxy;
-	}
-
-	/// Release the weak proxy.	
-	void releaseWeakProxy() const
-	{
-		if (m_weak_proxy != NULL) {
-			m_weak_proxy->NotifyObjectDied();
-			m_weak_proxy->Release();
-			m_weak_proxy = NULL;
-		}
-	}
-
-	/** @name Debug methods: */
-	//@{
-		/// Get reference count.
-		int refCount() const
-		{
-			return m_count;
-		}
-
-		/// Get total number of objects.
-		static int totalObjectCount()
-		{
-			return s_total_obj_count;
-		}
-
-		/// Get total number of references.
-		static int totalReferenceCount()
-		{
-			return s_total_ref_count;
-		}
-	//@}
-
-
-private:
-
-	NVCORE_API static int s_total_ref_count;
-	NVCORE_API static int s_total_obj_count;
-
-	mutable int m_count;
-	mutable WeakProxy * weak_proxy;
-
-};
-#endif
 
 /// Smart pointer template class.
 template <class BaseClass>
-class Pointer {
+class SmartPtr {
 public:
 
 	// BaseClass must implement addRef() and release().
-	typedef Pointer<BaseClass>	ThisType;
+	typedef SmartPtr<BaseClass>	ThisType;
 
 	/// Default ctor.
-	Pointer() : m_ptr(NULL) 
+	SmartPtr() : m_ptr(NULL) 
 	{
 	}
 
 	/** Other type assignment. */
 	template <class OtherBase>
-	Pointer( const Pointer<OtherBase> & tc )
+	SmartPtr( const SmartPtr<OtherBase> & tc )
 	{
 		m_ptr = static_cast<BaseClass *>( tc.ptr() );
 		if( m_ptr ) {
@@ -220,7 +123,7 @@ public:
 	}
 
 	/** Copy ctor. */
-	Pointer( const ThisType & bc )
+	SmartPtr( const ThisType & bc )
 	{
 		m_ptr = bc.ptr();
 		if( m_ptr ) {
@@ -228,8 +131,8 @@ public:
 		}
 	}
 
-	/** Copy cast ctor. Pointer(NULL) is valid. */
-	explicit Pointer( BaseClass * bc )
+	/** Copy cast ctor. SmartPtr(NULL) is valid. */
+	explicit SmartPtr( BaseClass * bc )
 	{
 		m_ptr = bc;
 		if( m_ptr ) {
@@ -238,7 +141,7 @@ public:
 	}
 
 	/** Dtor. */
-	~Pointer()
+	~SmartPtr()
 	{
 		set(NULL);
 	}
@@ -249,14 +152,14 @@ public:
 		/** -> operator. */
 		BaseClass * operator -> () const
 		{
-			piCheck( m_ptr != NULL );
+			nvCheck( m_ptr != NULL );
 			return m_ptr;
 		}
 
 		/** * operator. */
 		BaseClass & operator*() const
 		{
-			piCheck( m_ptr != NULL );
+			nvCheck( m_ptr != NULL );
 			return *m_ptr;
 		}
 
@@ -272,7 +175,7 @@ public:
 	//@{
 		/** Other type assignment. */
 		template <class OtherBase>
-		void operator = ( const Pointer<OtherBase> & tc )
+		void operator = ( const SmartPtr<OtherBase> & tc )
 		{
 			set( static_cast<BaseClass *>(tc.ptr()) );
 		}
@@ -295,7 +198,7 @@ public:
 	//@{
 		/** Other type equal comparation. */
 		template <class OtherBase>
-		bool operator == ( const Pointer<OtherBase> & other ) const
+		bool operator == ( const SmartPtr<OtherBase> & other ) const
 		{
 			return m_ptr == other.ptr();
 		}
@@ -314,7 +217,7 @@ public:
 
 		/** Other type not equal comparation. */
 		template <class OtherBase>
-		bool operator != ( const Pointer<OtherBase> & other ) const
+		bool operator != ( const SmartPtr<OtherBase> & other ) const
 		{
 			return m_ptr != other.ptr();
 		}

src/nvcore/RefCounted.cpp

@@ -0,0 +1,9 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#include "RefCounted.h"
+
+using namespace nv;
+
+int nv::RefCounted::s_total_ref_count = 0;
+int nv::RefCounted::s_total_obj_count = 0;
+

src/nvcore/RefCounted.h

@@ -0,0 +1,114 @@
+// This code is in the public domain -- castanyo@yahoo.es
+
+#ifndef NV_CORE_REFCOUNTED_H
+#define NV_CORE_REFCOUNTED_H
+
+#include <nvcore/nvcore.h>
+#include <nvcore/Debug.h>
+
+
+namespace nv
+{
+
+	/// Reference counted base class to be used with SmartPtr and WeakPtr.
+	class RefCounted
+	{
+		NV_FORBID_COPY(RefCounted);
+	public:
+
+		/// Ctor.
+		RefCounted() : m_count(0)/*, m_weak_proxy(NULL)*/
+		{
+			s_total_obj_count++;
+		}
+
+		/// Virtual dtor.
+		virtual ~RefCounted()
+		{
+			nvCheck( m_count == 0 );
+			nvCheck( s_total_obj_count > 0 );
+			s_total_obj_count--;
+		}
+
+
+		/// Increase reference count.
+		uint addRef() const
+		{
+			s_total_ref_count++;
+			m_count++;
+			return m_count;
+		}
+
+
+		/// Decrease reference count and remove when 0.
+		uint release() const
+		{
+			nvCheck( m_count > 0 );
+			
+			s_total_ref_count--;
+			m_count--;
+			if( m_count == 0 ) {
+			//	releaseWeakProxy();
+				delete this;
+				return 0;
+			}
+			return m_count;
+		}
+	/*
+		/// Get weak proxy.
+		WeakProxy * getWeakProxy() const
+		{
+			if (m_weak_proxy == NULL) {
+				m_weak_proxy = new WeakProxy;
+				m_weak_proxy->AddRef();
+			}
+			return m_weak_proxy;
+		}
+
+		/// Release the weak proxy.	
+		void releaseWeakProxy() const
+		{
+			if (m_weak_proxy != NULL) {
+				m_weak_proxy->NotifyObjectDied();
+				m_weak_proxy->Release();
+				m_weak_proxy = NULL;
+			}
+		}
+	*/
+		/** @name Debug methods: */
+		//@{
+			/// Get reference count.
+			int refCount() const
+			{
+				return m_count;
+			}
+
+			/// Get total number of objects.
+			static int totalObjectCount()
+			{
+				return s_total_obj_count;
+			}
+
+			/// Get total number of references.
+			static int totalReferenceCount()
+			{
+				return s_total_ref_count;
+			}
+		//@}
+
+
+	private:
+
+		NVCORE_API static int s_total_ref_count;
+		NVCORE_API static int s_total_obj_count;
+
+		mutable int m_count;
+	//	mutable WeakProxy * weak_proxy;
+
+	};
+
+
+} // nv namespace
+
+
+#endif // NV_CORE_REFCOUNTED_H

src/nvcore/TextReader.cpp

@@ -48,7 +48,7 @@ const char * TextReader::readToEnd()
 	m_text.reserve(size + 1);
 	m_text.resize(size);
 	
-	m_stream->serialize(m_text.unsecureBuffer(), size);
+	m_stream->serialize(m_text.mutableBuffer(), size);
 	m_text.pushBack('\0');
 	
 	return m_text.buffer();