46 lines
1.5 KiB
Plaintext
46 lines
1.5 KiB
Plaintext
|
/*
|
||
|
FLUIDS v.1 - SPH Fluid Simulator for CPU and GPU
|
||
|
Copyright (C) 2009. Rama Hoetzlein, http://www.rchoetzlein.com
|
||
|
|
||
|
ZLib license
|
||
|
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.
|
||
|
*/
|
||
|
|
||
|
#ifndef _PARTICLES_KERNEL_H_
|
||
|
#define _PARTICLES_KERNEL_H_
|
||
|
|
||
|
#include <stdio.h>
|
||
|
#include <math.h>
|
||
|
#include "cutil_math.h"
|
||
|
#include "math_constants.h"
|
||
|
|
||
|
// Insert particles in grid
|
||
|
|
||
|
__global__ void insertParticles ( char* pntData, uint pntStride )
|
||
|
{
|
||
|
int index = __mul24(blockIdx.x,blockDim.x) + threadIdx.x;
|
||
|
float4 p = *(float4*) (pntData + index*pntStride);
|
||
|
|
||
|
// get address in grid
|
||
|
int3 gridPos = calcGridPos(p);
|
||
|
|
||
|
addParticleToCell(gridPos, index, gridCounters, gridCells);
|
||
|
}
|
||
|
|
||
|
|
||
|
#endif
|