565 lines
21 KiB
C++
565 lines
21 KiB
C++
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions
|
|
// are met:
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above copyright
|
|
// notice, this list of conditions and the following disclaimer in the
|
|
// documentation and/or other materials provided with the distribution.
|
|
// * Neither the name of NVIDIA CORPORATION nor the names of its
|
|
// contributors may be used to endorse or promote products derived
|
|
// from this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
//
|
|
// Copyright (c) 2008-2023 NVIDIA Corporation. All rights reserved.
|
|
|
|
#ifndef PX_CUDA_CONTEXT_MANAGER_H
|
|
#define PX_CUDA_CONTEXT_MANAGER_H
|
|
|
|
#include "foundation/PxPreprocessor.h"
|
|
|
|
#if PX_SUPPORT_GPU_PHYSX
|
|
|
|
#include "foundation/PxSimpleTypes.h"
|
|
#include "foundation/PxErrorCallback.h"
|
|
#include "foundation/PxFlags.h"
|
|
|
|
#include "PxCudaTypes.h"
|
|
|
|
#if !PX_DOXYGEN
|
|
namespace physx
|
|
{
|
|
#endif
|
|
|
|
class PxCudaContext;
|
|
|
|
/** \brief Possible graphic/CUDA interoperability modes for context */
|
|
struct PxCudaInteropMode
|
|
{
|
|
/**
|
|
* \brief Possible graphic/CUDA interoperability modes for context
|
|
*/
|
|
enum Enum
|
|
{
|
|
NO_INTEROP = 0,
|
|
D3D10_INTEROP,
|
|
D3D11_INTEROP,
|
|
OGL_INTEROP,
|
|
|
|
COUNT
|
|
};
|
|
};
|
|
|
|
struct PxCudaInteropRegisterFlag
|
|
{
|
|
enum Enum
|
|
{
|
|
eNONE = 0x00,
|
|
eREAD_ONLY = 0x01,
|
|
eWRITE_DISCARD = 0x02,
|
|
eSURFACE_LDST = 0x04,
|
|
eTEXTURE_GATHER = 0x08
|
|
};
|
|
};
|
|
|
|
/**
|
|
\brief An interface class that the user can implement in order for PhysX to use a user-defined device memory allocator.
|
|
*/
|
|
class PxDeviceAllocatorCallback
|
|
{
|
|
public:
|
|
|
|
/**
|
|
\brief Allocated device memory.
|
|
\param[in] ptr Pointer to store the allocated address
|
|
\param[in] size The amount of memory required
|
|
\return A boolean indicates the operation succeed or fail
|
|
*/
|
|
virtual bool memAlloc(void** ptr, size_t size) = 0;
|
|
|
|
/**
|
|
\brief Frees device memory.
|
|
\param[in] ptr The memory to free
|
|
\return A boolean indicates the operation succeed or fail
|
|
*/
|
|
virtual bool memFree(void* ptr) = 0;
|
|
|
|
protected:
|
|
virtual ~PxDeviceAllocatorCallback() {}
|
|
};
|
|
/**
|
|
\brief collection of set bits defined in NxCudaInteropRegisterFlag.
|
|
|
|
@see NxCudaInteropRegisterFlag
|
|
*/
|
|
typedef PxFlags<PxCudaInteropRegisterFlag::Enum, uint32_t> PxCudaInteropRegisterFlags;
|
|
PX_FLAGS_OPERATORS(PxCudaInteropRegisterFlag::Enum, uint32_t)
|
|
|
|
//! \brief Descriptor used to create a PxCudaContextManager
|
|
class PxCudaContextManagerDesc
|
|
{
|
|
public:
|
|
/**
|
|
* \brief The CUDA context to manage
|
|
*
|
|
* If left NULL, the PxCudaContextManager will create a new context. If
|
|
* graphicsDevice is also not NULL, this new CUDA context will be bound to
|
|
* that graphics device, enabling the use of CUDA/Graphics interop features.
|
|
*
|
|
* If ctx is not NULL, the specified context must be applied to the thread
|
|
* that is allocating the PxCudaContextManager at creation time (aka, it
|
|
* cannot be popped). The PxCudaContextManager will take ownership of the
|
|
* context until the manager is released. All access to the context must be
|
|
* gated by lock acquisition.
|
|
*
|
|
* If the user provides a context for the PxCudaContextManager, the context
|
|
* _must_ have either been created on the GPU ordinal returned by
|
|
* PxGetSuggestedCudaDeviceOrdinal() or on your graphics device.
|
|
*/
|
|
CUcontext* ctx;
|
|
|
|
/**
|
|
* \brief D3D device pointer or OpenGl context handle
|
|
*
|
|
* Only applicable when ctx is NULL, thus forcing a new context to be
|
|
* created. In that case, the created context will be bound to this
|
|
* graphics device.
|
|
*/
|
|
void* graphicsDevice;
|
|
|
|
/**
|
|
* \brief Application-specific GUID
|
|
*
|
|
* If your application employs PhysX modules that use CUDA you need to use a GUID
|
|
* so that patches for new architectures can be released for your game.You can obtain a GUID for your
|
|
* application from Nvidia.
|
|
*/
|
|
const char* appGUID;
|
|
|
|
/**
|
|
* \brief Application-specific device memory allocator
|
|
*
|
|
* the application can implement an device memory allocator, which inherites PxDeviceAllocatorCallback, and
|
|
* pass that to the PxCudaContextManagerDesc. The SDK will use that allocator to allocate device memory instead of
|
|
* using the defaul CUDA device memory allocator.
|
|
*/
|
|
PxDeviceAllocatorCallback* deviceAllocator;
|
|
|
|
/**
|
|
* \brief The CUDA/Graphics interop mode of this context
|
|
*
|
|
* If ctx is NULL, this value describes the nature of the graphicsDevice
|
|
* pointer provided by the user. Else it describes the nature of the
|
|
* context provided by the user.
|
|
*/
|
|
PxCudaInteropMode::Enum interopMode;
|
|
|
|
PX_INLINE PxCudaContextManagerDesc() :
|
|
ctx (NULL),
|
|
graphicsDevice (NULL),
|
|
appGUID (NULL),
|
|
deviceAllocator (NULL),
|
|
interopMode (PxCudaInteropMode::NO_INTEROP)
|
|
{
|
|
}
|
|
};
|
|
|
|
/**
|
|
\brief A cuda kernel index providing an index to the cuda module and the function name
|
|
*/
|
|
struct PxKernelIndex
|
|
{
|
|
PxU32 moduleIndex;
|
|
const char* functionName;
|
|
};
|
|
|
|
/**
|
|
* \brief Manages thread locks, and task scheduling for a CUDA context
|
|
*
|
|
* A PxCudaContextManager manages access to a single CUDA context, allowing it to
|
|
* be shared between multiple scenes.
|
|
* The context must be acquired from the manager before using any CUDA APIs unless stated differently.
|
|
*
|
|
* The PxCudaContextManager is based on the CUDA driver API and explicitly does not
|
|
* support the CUDA runtime API (aka, CUDART).
|
|
*/
|
|
class PxCudaContextManager
|
|
{
|
|
public:
|
|
/**
|
|
* \brief Schedules clear operation for a device memory buffer on the specified stream
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void clearDeviceBufferAsync(T* deviceBuffer, PxU32 numElements, CUstream stream, PxI32 value = 0)
|
|
{
|
|
clearDeviceBufferAsyncInternal(deviceBuffer, numElements * sizeof(T), stream, value);
|
|
}
|
|
|
|
/**
|
|
* \brief Copies a device buffer to the host
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void copyDToH(T* hostBuffer, const T* deviceBuffer, PxU32 numElements)
|
|
{
|
|
copyDToHInternal(hostBuffer, deviceBuffer, numElements * sizeof(T));
|
|
}
|
|
|
|
/**
|
|
* \brief Copies a host buffer to the device
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void copyHToD(T* deviceBuffer, const T* hostBuffer, PxU32 numElements)
|
|
{
|
|
copyHToDInternal(deviceBuffer, hostBuffer, numElements * sizeof(T));
|
|
}
|
|
|
|
/**
|
|
* \brief Schedules device to host copy operation on the specified stream
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void copyDToHAsync(T* hostBuffer, const T* deviceBuffer, PxU32 numElements, CUstream stream)
|
|
{
|
|
copyDToHAsyncInternal(hostBuffer, deviceBuffer, numElements * sizeof(T), stream);
|
|
}
|
|
|
|
/**
|
|
* \brief Schedules host to device copy operation on the specified stream
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void copyHToDAsync(T* deviceBuffer, const T* hostBuffer, PxU32 numElements, CUstream stream)
|
|
{
|
|
copyHToDAsyncInternal(deviceBuffer, hostBuffer, numElements * sizeof(T), stream);
|
|
}
|
|
|
|
/**
|
|
* \brief Schedules device to device copy operation on the specified stream
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void copyDToDAsync(T* dstDeviceBuffer, const T* srcDeviceBuffer, PxU32 numElements, CUstream stream)
|
|
{
|
|
copyDToDAsyncInternal(dstDeviceBuffer, srcDeviceBuffer, numElements * sizeof(T), stream);
|
|
}
|
|
|
|
/**
|
|
* \brief Allocates a device buffer
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void allocDeviceBuffer(T*& deviceBuffer, PxU32 numElements, const char* filename = __FILE__, PxI32 line = __LINE__)
|
|
{
|
|
void* ptr = allocDeviceBufferInternal(numElements * sizeof(T), filename, line);
|
|
deviceBuffer = reinterpret_cast<T*>(ptr);
|
|
}
|
|
|
|
/**
|
|
* \brief Allocates a device buffer and returns the pointer to the memory
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
T* allocDeviceBuffer(PxU32 numElements, const char* filename = __FILE__, PxI32 line = __LINE__)
|
|
{
|
|
void* ptr = allocDeviceBufferInternal(numElements * sizeof(T), filename, line);
|
|
return reinterpret_cast<T*>(ptr);
|
|
}
|
|
|
|
/**
|
|
* \brief Frees a device buffer
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void freeDeviceBuffer(T*& deviceBuffer)
|
|
{
|
|
freeDeviceBufferInternal(deviceBuffer);
|
|
deviceBuffer = NULL;
|
|
}
|
|
|
|
/**
|
|
* \brief Allocates a pinned host buffer
|
|
*
|
|
* A pinned host buffer can be used on the gpu after getting a mapped device pointer from the pinned host buffer pointer, see getMappedDevicePtr
|
|
* The cuda context will get acquired automatically
|
|
* @see getMappedDevicePtr
|
|
*/
|
|
template<typename T>
|
|
void allocPinnedHostBuffer(T*& pinnedHostBuffer, PxU32 numElements, const char* filename = __FILE__, PxI32 line = __LINE__)
|
|
{
|
|
void* ptr = allocPinnedHostBufferInternal(numElements * sizeof(T), filename, line);
|
|
pinnedHostBuffer = reinterpret_cast<T*>(ptr);
|
|
}
|
|
|
|
/**
|
|
* \brief Allocates a pinned host buffer and returns the pointer to the memory
|
|
*
|
|
* A pinned host buffer can be used on the gpu after getting a mapped device pointer from the pinned host buffer pointer, see getMappedDevicePtr
|
|
* The cuda context will get acquired automatically
|
|
* @see getMappedDevicePtr
|
|
*/
|
|
template<typename T>
|
|
T* allocPinnedHostBuffer(PxU32 numElements, const char* filename = __FILE__, PxI32 line = __LINE__)
|
|
{
|
|
void* ptr = allocPinnedHostBufferInternal(numElements * sizeof(T), filename, line);
|
|
return reinterpret_cast<T*>(ptr);
|
|
}
|
|
|
|
/**
|
|
* \brief Frees a pinned host buffer
|
|
*
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
template<typename T>
|
|
void freePinnedHostBuffer(T*& pinnedHostBuffer)
|
|
{
|
|
freePinnedHostBufferInternal(pinnedHostBuffer);
|
|
pinnedHostBuffer = NULL;
|
|
}
|
|
|
|
/**
|
|
* \brief Gets a mapped pointer from a pinned host buffer that can be used in cuda kernels directly
|
|
*
|
|
* Data access performance with a mapped pinned host pointer will be slower than using a device pointer directly
|
|
* but the changes done in the kernel will be available on the host immediately.
|
|
* The cuda context will get acquired automatically
|
|
*/
|
|
virtual CUdeviceptr getMappedDevicePtr(void* pinnedHostBuffer) = 0;
|
|
|
|
/**
|
|
* \brief Acquire the CUDA context for the current thread
|
|
*
|
|
* Acquisitions are allowed to be recursive within a single thread.
|
|
* You can acquire the context multiple times so long as you release
|
|
* it the same count.
|
|
*
|
|
* The context must be acquired before using most CUDA functions.
|
|
*/
|
|
virtual void acquireContext() = 0;
|
|
|
|
/**
|
|
* \brief Release the CUDA context from the current thread
|
|
*
|
|
* The CUDA context should be released as soon as practically
|
|
* possible, to allow other CPU threads to work efficiently.
|
|
*/
|
|
virtual void releaseContext() = 0;
|
|
|
|
/**
|
|
* \brief Return the CUcontext
|
|
*/
|
|
virtual CUcontext getContext() = 0;
|
|
|
|
/**
|
|
* \brief Return the CudaContext
|
|
*/
|
|
virtual PxCudaContext* getCudaContext() = 0;
|
|
|
|
/**
|
|
* \brief Context manager has a valid CUDA context
|
|
*
|
|
* This method should be called after creating a PxCudaContextManager,
|
|
* especially if the manager was responsible for allocating its own
|
|
* CUDA context (desc.ctx == NULL).
|
|
*/
|
|
virtual bool contextIsValid() const = 0;
|
|
|
|
/* Query CUDA context and device properties, without acquiring context */
|
|
|
|
virtual bool supportsArchSM10() const = 0; //!< G80
|
|
virtual bool supportsArchSM11() const = 0; //!< G92
|
|
virtual bool supportsArchSM12() const = 0; //!< GT200
|
|
virtual bool supportsArchSM13() const = 0; //!< GT260
|
|
virtual bool supportsArchSM20() const = 0; //!< GF100
|
|
virtual bool supportsArchSM30() const = 0; //!< GK100
|
|
virtual bool supportsArchSM35() const = 0; //!< GK110
|
|
virtual bool supportsArchSM50() const = 0; //!< GM100
|
|
virtual bool supportsArchSM52() const = 0; //!< GM200
|
|
virtual bool supportsArchSM60() const = 0; //!< GP100
|
|
virtual bool isIntegrated() const = 0; //!< true if GPU is an integrated (MCP) part
|
|
virtual bool canMapHostMemory() const = 0; //!< true if GPU map host memory to GPU (0-copy)
|
|
virtual int getDriverVersion() const = 0; //!< returns cached value of cuGetDriverVersion()
|
|
virtual size_t getDeviceTotalMemBytes() const = 0; //!< returns cached value of device memory size
|
|
virtual int getMultiprocessorCount() const = 0; //!< returns cache value of SM unit count
|
|
virtual unsigned int getClockRate() const = 0; //!< returns cached value of SM clock frequency
|
|
virtual int getSharedMemPerBlock() const = 0; //!< returns total amount of shared memory available per block in bytes
|
|
virtual int getSharedMemPerMultiprocessor() const = 0; //!< returns total amount of shared memory available per multiprocessor in bytes
|
|
virtual unsigned int getMaxThreadsPerBlock() const = 0; //!< returns the maximum number of threads per block
|
|
virtual const char *getDeviceName() const = 0; //!< returns device name retrieved from driver
|
|
virtual CUdevice getDevice() const = 0; //!< returns device handle retrieved from driver
|
|
virtual PxCudaInteropMode::Enum getInteropMode() const = 0; //!< interop mode the context was created with
|
|
|
|
virtual void setUsingConcurrentStreams(bool) = 0; //!< turn on/off using concurrent streams for GPU work
|
|
virtual bool getUsingConcurrentStreams() const = 0; //!< true if GPU work can run in concurrent streams
|
|
/* End query methods that don't require context to be acquired */
|
|
|
|
/**
|
|
* \brief Register a rendering resource with CUDA
|
|
*
|
|
* This function is called to register render resources (allocated
|
|
* from OpenGL) with CUDA so that the memory may be shared
|
|
* between the two systems. This is only required for render
|
|
* resources that are designed for interop use. In APEX, each
|
|
* render resource descriptor that could support interop has a
|
|
* 'registerInCUDA' boolean variable.
|
|
*
|
|
* The function must be called again any time your graphics device
|
|
* is reset, to re-register the resource.
|
|
*
|
|
* Returns true if the registration succeeded. A registered
|
|
* resource must be unregistered before it can be released.
|
|
*
|
|
* \param resource [OUT] the handle to the resource that can be used with CUDA
|
|
* \param buffer [IN] GLuint buffer index to be mapped to cuda
|
|
* \param flags [IN] cuda interop registration flags
|
|
*/
|
|
virtual bool registerResourceInCudaGL(CUgraphicsResource& resource, uint32_t buffer, PxCudaInteropRegisterFlags flags = PxCudaInteropRegisterFlags()) = 0;
|
|
|
|
/**
|
|
* \brief Register a rendering resource with CUDA
|
|
*
|
|
* This function is called to register render resources (allocated
|
|
* from Direct3D) with CUDA so that the memory may be shared
|
|
* between the two systems. This is only required for render
|
|
* resources that are designed for interop use. In APEX, each
|
|
* render resource descriptor that could support interop has a
|
|
* 'registerInCUDA' boolean variable.
|
|
*
|
|
* The function must be called again any time your graphics device
|
|
* is reset, to re-register the resource.
|
|
*
|
|
* Returns true if the registration succeeded. A registered
|
|
* resource must be unregistered before it can be released.
|
|
*
|
|
* \param resource [OUT] the handle to the resource that can be used with CUDA
|
|
* \param resourcePointer [IN] A pointer to either IDirect3DResource9, or ID3D10Device, or ID3D11Resource to be registered.
|
|
* \param flags [IN] cuda interop registration flags
|
|
*/
|
|
virtual bool registerResourceInCudaD3D(CUgraphicsResource& resource, void* resourcePointer, PxCudaInteropRegisterFlags flags = PxCudaInteropRegisterFlags()) = 0;
|
|
|
|
/**
|
|
* \brief Unregister a rendering resource with CUDA
|
|
*
|
|
* If a render resource was successfully registered with CUDA using
|
|
* the registerResourceInCuda***() methods, this function must be called
|
|
* to unregister the resource before the it can be released.
|
|
*/
|
|
virtual bool unregisterResourceInCuda(CUgraphicsResource resource) = 0;
|
|
|
|
/**
|
|
* \brief Determine if the user has configured a dedicated PhysX GPU in the NV Control Panel
|
|
* \note If using CUDA Interop, this will always return false
|
|
* \returns 1 if there is a dedicated GPU
|
|
* 0 if there is NOT a dedicated GPU
|
|
* -1 if the routine is not implemented
|
|
*/
|
|
virtual int usingDedicatedGPU() const = 0;
|
|
|
|
/**
|
|
* \brief Get the cuda modules that have been loaded into this context on construction
|
|
* \return Pointer to the cuda modules
|
|
*/
|
|
virtual CUmodule* getCuModules() = 0;
|
|
|
|
/**
|
|
* \brief Release the PxCudaContextManager
|
|
*
|
|
* If the PxCudaContextManager created the CUDA context it was
|
|
* responsible for, it also frees that context.
|
|
*
|
|
* Do not release the PxCudaContextManager if there are any scenes
|
|
* using it. Those scenes must be released first.
|
|
*
|
|
*/
|
|
virtual void release() = 0;
|
|
|
|
protected:
|
|
|
|
/**
|
|
* \brief protected destructor, use release() method
|
|
*/
|
|
virtual ~PxCudaContextManager() {}
|
|
|
|
virtual void* allocDeviceBufferInternal(PxU32 numBytes, const char* filename = NULL, PxI32 line = -1) = 0;
|
|
virtual void* allocPinnedHostBufferInternal(PxU32 numBytes, const char* filename = NULL, PxI32 line = -1) = 0;
|
|
|
|
virtual void freeDeviceBufferInternal(void* deviceBuffer) = 0;
|
|
virtual void freePinnedHostBufferInternal(void* pinnedHostBuffer) = 0;
|
|
|
|
virtual void clearDeviceBufferAsyncInternal(void* deviceBuffer, PxU32 numBytes, CUstream stream, PxI32 value) = 0;
|
|
|
|
virtual void copyDToHAsyncInternal(void* hostBuffer, const void* deviceBuffer, PxU32 numBytes, CUstream stream) = 0;
|
|
virtual void copyHToDAsyncInternal(void* deviceBuffer, const void* hostBuffer, PxU32 numBytes, CUstream stream) = 0;
|
|
virtual void copyDToDAsyncInternal(void* dstDeviceBuffer, const void* srcDeviceBuffer, PxU32 numBytes, CUstream stream) = 0;
|
|
|
|
virtual void copyDToHInternal(void* hostBuffer, const void* deviceBuffer, PxU32 numBytes) = 0;
|
|
virtual void copyHToDInternal(void* deviceBuffer, const void* hostBuffer, PxU32 numBytes) = 0;
|
|
};
|
|
|
|
#define PX_DEVICE_ALLOC(cudaContextManager, deviceBuffer, numElements) cudaContextManager->allocDeviceBuffer(deviceBuffer, numElements, __FILE__, __LINE__)
|
|
#define PX_DEVICE_ALLOC_T(T, cudaContextManager, numElements) cudaContextManager->allocDeviceBuffer<T>(numElements, __FILE__, __LINE__)
|
|
#define PX_DEVICE_FREE(cudaContextManager, deviceBuffer) cudaContextManager->freeDeviceBuffer(deviceBuffer);
|
|
|
|
#define PX_PINNED_HOST_ALLOC(cudaContextManager, pinnedHostBuffer, numElements) cudaContextManager->allocPinnedHostBuffer(pinnedHostBuffer, numElements, __FILE__, __LINE__)
|
|
#define PX_PINNED_HOST_ALLOC_T(T, cudaContextManager, numElements) cudaContextManager->allocPinnedHostBuffer<T>(numElements, __FILE__, __LINE__)
|
|
#define PX_PINNED_HOST_FREE(cudaContextManager, pinnedHostBuffer) cudaContextManager->freePinnedHostBuffer(pinnedHostBuffer);
|
|
|
|
/**
|
|
* \brief Convenience class for holding CUDA lock within a scope
|
|
*/
|
|
class PxScopedCudaLock
|
|
{
|
|
public:
|
|
/**
|
|
* \brief ScopedCudaLock constructor
|
|
*/
|
|
PxScopedCudaLock(PxCudaContextManager& ctx) : mCtx(&ctx)
|
|
{
|
|
mCtx->acquireContext();
|
|
}
|
|
|
|
/**
|
|
* \brief ScopedCudaLock destructor
|
|
*/
|
|
~PxScopedCudaLock()
|
|
{
|
|
mCtx->releaseContext();
|
|
}
|
|
|
|
protected:
|
|
|
|
/**
|
|
* \brief CUDA context manager pointer (initialized in the constructor)
|
|
*/
|
|
PxCudaContextManager* mCtx;
|
|
};
|
|
|
|
#if !PX_DOXYGEN
|
|
} // namespace physx
|
|
#endif
|
|
|
|
#endif // PX_SUPPORT_GPU_PHYSX
|
|
#endif
|