Add the GPU rigid body pipeline from https://github.com/erwincoumans/experiments as a Bullet 3.x preview for Bullet 2.80

This commit is contained in:
erwin.coumans
2012-03-05 00:54:32 +00:00
parent 73c4646b40
commit 571af41cf6
257 changed files with 55106 additions and 0 deletions

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/*
Copyright (c) 2012 Advanced Micro Devices, Inc.
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
//Originally written by Takahiro Harada
namespace adl
{
struct DeviceHost : public Device
{
DeviceHost() : Device( TYPE_HOST ){}
__inline
void initialize(const Config& cfg);
__inline
void release();
template<typename T>
__inline
void allocate(Buffer<T>* buf, int nElems, BufferBase::BufferType type);
template<typename T>
__inline
void deallocate(Buffer<T>* buf);
template<typename T>
__inline
void copy(Buffer<T>* dst, const Buffer<T>* src, int nElems);
template<typename T>
__inline
void copy(T* dst, const Buffer<T>* src, int nElems, int offsetNElems = 0);
template<typename T>
__inline
void copy(Buffer<T>* dst, const T* src, int nElems, int offsetNElems = 0);
__inline
void waitForCompletion() const;
};
void DeviceHost::initialize(const Config& cfg)
{
}
void DeviceHost::release()
{
}
template<typename T>
void DeviceHost::allocate(Buffer<T>* buf, int nElems, BufferBase::BufferType type)
{
buf->m_device = this;
if( type == BufferBase::BUFFER_CONST ) return;
buf->m_ptr = new T[nElems];
ADLASSERT( buf->m_ptr );
buf->m_size = nElems;
}
template<typename T>
void DeviceHost::deallocate(Buffer<T>* buf)
{
if( buf->m_ptr ) delete [] buf->m_ptr;
}
template<typename T>
void DeviceHost::copy(Buffer<T>* dst, const Buffer<T>* src, int nElems)
{
copy( dst, src->m_ptr, nElems );
}
template<typename T>
void DeviceHost::copy(T* dst, const Buffer<T>* src, int nElems, int srcOffsetNElems)
{
ADLASSERT( src->getType() == TYPE_HOST );
memcpy( dst, src->m_ptr+srcOffsetNElems, nElems*sizeof(T) );
}
template<typename T>
void DeviceHost::copy(Buffer<T>* dst, const T* src, int nElems, int dstOffsetNElems)
{
ADLASSERT( dst->getType() == TYPE_HOST );
memcpy( dst->m_ptr+dstOffsetNElems, src, nElems*sizeof(T) );
}
void DeviceHost::waitForCompletion() const
{
}
};

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/*
Copyright (c) 2012 Advanced Micro Devices, Inc.
This software is provided 'as-is', without any express or implied warranty.
In no event will the authors be held liable for any damages arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it freely,
subject to the following restrictions:
1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
*/
//Originally written by Takahiro Harada
#ifdef _WIN32
#include <windows.h>
#else
#include <sys/time.h>
#endif
namespace adl
{
class StopwatchHost : public StopwatchBase
{
public:
__inline
StopwatchHost();
__inline
void init( const Device* deviceData );
__inline
void start();
__inline
void split();
__inline
void stop();
__inline
float getMs(int index=0);
__inline
void getMs( float* times, int capacity );
private:
#ifdef _WIN32
LARGE_INTEGER m_frequency;
LARGE_INTEGER m_t[CAPACITY];
#else
struct timeval mStartTime;
timeval m_t[CAPACITY];
#endif
};
__inline
StopwatchHost::StopwatchHost()
: StopwatchBase()
{
}
__inline
void StopwatchHost::init( const Device* deviceData )
{
m_device = deviceData;
#ifdef _WIN32
QueryPerformanceFrequency( &m_frequency );
#else
gettimeofday(&mStartTime, 0);
#endif
}
__inline
void StopwatchHost::start()
{
m_idx = 0;
#ifdef _WIN32
QueryPerformanceCounter(&m_t[m_idx++]);
#else
gettimeofday(&m_t[m_idx++], 0);
#endif
}
__inline
void StopwatchHost::split()
{
#ifdef _WIN32
QueryPerformanceCounter(&m_t[m_idx++]);
#else
gettimeofday(&m_t[m_idx++], 0);
#endif
}
__inline
void StopwatchHost::stop()
{
split();
}
__inline
float StopwatchHost::getMs(int index)
{
#ifdef _WIN32
return (float)(1000*(m_t[index+1].QuadPart - m_t[index].QuadPart))/m_frequency.QuadPart;
#else
return (m_t[index+1].tv_sec - m_t[index].tv_sec) * 1000 +
(m_t[index+1].tv_usec - m_t[index].tv_usec) / 1000;
#endif
}
__inline
void StopwatchHost::getMs(float* times, int capacity)
{
for(int i=0; i<capacity; i++) times[i] = 0.f;
for(int i=0; i<min(capacity, m_idx-1); i++)
{
times[i] = getMs(i);
}
}
};