void init_ocl_ldchecker(void) {
struct callback_s callbacks = {ocl_getBufferContent, ocl_setParameterValue, ocl_getAndReleaseParameterValue, ocl_triggerKernelExecution};
#if ENABLE_KERNEL_PROFILING == 1
pthread_mutex_init(&stats_lock, NULL);
signal(SIGUSR1, sig_handler);
#endif
init_ldchecker(callbacks, ocl_bindings);
create_ocl_buffer(NULL);
ocl_init_helper();
}
cl_mem clCreateBuffer (cl_context context, cl_mem_flags flags, size_t size,
void *host_ptr, cl_int *errcode_ret)
{
struct ld_mem_s *buffer;
if (flags & CL_MEM_ALLOC_HOST_PTR) {
goto unhandled;
}
buffer = create_ocl_buffer(real_clCreateBuffer(context, flags, size, host_ptr, errcode_ret));
buffer->size = size;
buffer->flags = ocl_buffer_flags_to_ld(flags);
buffer_created_event(buffer);
return buffer->handle;
unhandled:
return real_clCreateBuffer(context, flags, size, host_ptr, errcode_ret);
}
/** Initialization of data buffers on OpenCL device
* @param position_cpp
* initial position buffer
* @param velocity_cpp
* initial velocity buffer
* @param config
* Contain information about simulating configuration
* @param elasticConnectionData_cpp
* buffer with info about elastic connections
* @param membraneData_cpp
* buffer with info about membranes
* @param particleMembranesList_cpp
* buffer with info about sets of membranes in which particular particle is including
*/
void owOpenCLSolver::initializeBuffers(const float * position_cpp, const float * velocity_cpp, owConfigProperty * config, const float * elasticConnectionsData_cpp, const int * membraneData_cpp, const int * particleMembranesList_cpp){
// Needed for sortin stuff
_particleIndex = new int[ 2 * config->getParticleCount() ];
gridNextNonEmptyCellBuffer = new int[config->gridCellCount+1];
create_ocl_buffer( "acceleration", acceleration, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 4 * 3 ) );// 4*2-->4*3; third part is to store acceleration[t], while first to are for acceleration[t+delta_t]
create_ocl_buffer( "gridCellIndex", gridCellIndex, CL_MEM_READ_WRITE, ( ( config->gridCellCount + 1 ) * sizeof( unsigned int ) * 1 ) );
create_ocl_buffer( "gridCellIndexFixedUp", gridCellIndexFixedUp, CL_MEM_READ_WRITE, ( ( config->gridCellCount + 1 ) * sizeof( unsigned int ) * 1 ) );
create_ocl_buffer( "neighborMap", neighborMap, CL_MEM_READ_WRITE, ( MAX_NEIGHBOR_COUNT * config->getParticleCount() * sizeof( float ) * 2 ) );
create_ocl_buffer( "particleIndex", particleIndex, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( unsigned int ) * 2 ) );
create_ocl_buffer( "particleIndexBack", particleIndexBack, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( unsigned int ) ) );
create_ocl_buffer( "position", position, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 4 * (1 + 1/*1 extra, for membrane handling*/)) );
create_ocl_buffer( "pressure", pressure, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 1 ) );
create_ocl_buffer( "rho", rho, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 2 ) );
create_ocl_buffer( "sortedPosition", sortedPosition, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 4 * 2 ) );
create_ocl_buffer( "sortedVelocity", sortedVelocity, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 4 ) );
create_ocl_buffer( "velocity", velocity, CL_MEM_READ_WRITE, ( config->getParticleCount() * sizeof( float ) * 4 * (1 + 1/*1 extra, for membrane handling*/) ) );
create_ocl_buffer( "muscle_activation_signal", muscle_activation_signal, CL_MEM_READ_WRITE, ( config->MUSCLE_COUNT * sizeof( float ) ) );
if(membraneData_cpp != NULL && particleMembranesList_cpp != NULL)
{
create_ocl_buffer( "membraneData", membraneData, CL_MEM_READ_WRITE, ( config->numOfMembranes * sizeof( int ) * 3 ) );
create_ocl_buffer("particleMembranesList", particleMembranesList,CL_MEM_READ_WRITE, config->numOfElasticP * MAX_MEMBRANES_INCLUDING_SAME_PARTICLE * sizeof(int) );
}
if(elasticConnectionsData_cpp != NULL){
create_ocl_buffer("elasticConnectionsData", elasticConnectionsData,CL_MEM_READ_WRITE, config->numOfElasticP * MAX_NEIGHBOR_COUNT * sizeof(float) * 4);
}
// Copy initial position_cpp and velocity_cpp to the OpenCL Device
copy_buffer_to_device( position_cpp, position, config->getParticleCount() * sizeof( float ) * 4 );
copy_buffer_to_device( velocity_cpp, velocity, config->getParticleCount() * sizeof( float ) * 4 );
// Copy membrane data to device memory elastic connections
if(membraneData_cpp != NULL && particleMembranesList_cpp != NULL)
{
copy_buffer_to_device( membraneData_cpp, membraneData, config->numOfMembranes * sizeof( int ) * 3 );
copy_buffer_to_device( particleMembranesList_cpp, particleMembranesList, config->numOfElasticP * MAX_MEMBRANES_INCLUDING_SAME_PARTICLE * sizeof( int ) );
}
// Copy elastic connectiondate to device memory elastic connections
if(elasticConnectionsData_cpp != NULL){
copy_buffer_to_device(elasticConnectionsData_cpp, elasticConnectionsData, config->numOfElasticP * MAX_NEIGHBOR_COUNT * sizeof(float) * 4);
}
}
