85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
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#ifndef __TRACYSHORTPTR_HPP__
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#define __TRACYSHORTPTR_HPP__
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#include <assert.h>
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#include <stdint.h>
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#include <string.h>
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#include "../common/TracyForceInline.hpp"
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namespace tracy
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{
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#if UINTPTR_MAX == 0xFFFFFFFFFFFFFFFF
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template<typename T>
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class short_ptr
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{
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public:
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tracy_force_inline short_ptr() {}
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tracy_force_inline short_ptr( const T* ptr ) { Set( ptr ); }
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tracy_force_inline operator T*() { return Get(); }
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tracy_force_inline operator const T*() const { return Get(); }
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tracy_force_inline T& operator*() { return *Get(); }
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tracy_force_inline const T& operator*() const { return *Get(); }
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tracy_force_inline T* operator->() { return Get(); }
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tracy_force_inline const T* operator->() const { return Get(); }
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tracy_force_inline T* get() { return Get(); }
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tracy_force_inline const T* get() const { return Get(); }
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private:
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tracy_force_inline void Set( const T* ptr )
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{
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assert( ( uint64_t( ptr ) & 0xFFFF000000000000 ) == 0 );
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memcpy( m_ptr, &ptr, 4 );
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memcpy( m_ptr+4, ((char*)&ptr)+4, 2 );
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}
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tracy_force_inline T* Get()
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{
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uint32_t lo;
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uint16_t hi;
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memcpy( &lo, m_ptr, 4 );
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memcpy( &hi, m_ptr+4, 2 );
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return (T*)( uint64_t( lo ) | ( ( uint64_t( hi ) << 32 ) ) );
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}
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tracy_force_inline const T* Get() const
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{
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uint32_t lo;
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uint16_t hi;
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memcpy( &lo, m_ptr, 4 );
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memcpy( &hi, m_ptr+4, 2 );
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return (T*)( uint64_t( lo ) | ( ( uint64_t( hi ) << 32 ) ) );
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}
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uint8_t m_ptr[6];
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};
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#else
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template<typename T>
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class short_ptr
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{
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public:
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tracy_force_inline short_ptr() {}
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tracy_force_inline short_ptr( const T* ptr ) { memcpy( &m_ptr, &ptr, sizeof( T* ) ); }
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tracy_force_inline operator T*() { return m_ptr; }
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tracy_force_inline operator const T*() const { return m_ptr; }
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tracy_force_inline T& operator*() { return *m_ptr; }
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tracy_force_inline const T& operator*() const { return *m_ptr; }
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tracy_force_inline T* operator->() { return m_ptr; }
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tracy_force_inline const T* operator->() const { return m_ptr; }
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tracy_force_inline T* get() { return m_ptr; }
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tracy_force_inline const T* get() const { return m_ptr; }
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private:
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T* m_ptr;
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};
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#endif
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}
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#endif
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