mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-11-25 00:39:14 +08:00
68 lines
3.2 KiB
Plaintext
68 lines
3.2 KiB
Plaintext
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
extern "C" {
|
|
void cudaInit(int argc, char **argv);
|
|
|
|
void allocateArray(void **devPtr, int size);
|
|
void freeArray(void *devPtr);
|
|
|
|
void threadSync();
|
|
|
|
void copyArrayFromDevice(void *host, const void *device,
|
|
struct cudaGraphicsResource **cuda_vbo_resource,
|
|
int size);
|
|
void copyArrayToDevice(void *device, const void *host, int offset, int size);
|
|
void registerGLBufferObject(uint vbo,
|
|
struct cudaGraphicsResource **cuda_vbo_resource);
|
|
void unregisterGLBufferObject(struct cudaGraphicsResource *cuda_vbo_resource);
|
|
void *mapGLBufferObject(struct cudaGraphicsResource **cuda_vbo_resource);
|
|
void unmapGLBufferObject(struct cudaGraphicsResource *cuda_vbo_resource);
|
|
|
|
void setParameters(SimParams *hostParams);
|
|
|
|
void integrateSystem(float *pos, float *vel, float deltaTime,
|
|
uint numParticles);
|
|
|
|
void calcHash(uint *gridParticleHash, uint *gridParticleIndex, float *pos,
|
|
int numParticles);
|
|
|
|
void reorderDataAndFindCellStart(uint *cellStart, uint *cellEnd,
|
|
float *sortedPos, float *sortedVel,
|
|
uint *gridParticleHash,
|
|
uint *gridParticleIndex, float *oldPos,
|
|
float *oldVel, uint numParticles,
|
|
uint numCells);
|
|
|
|
void collide(float *newVel, float *sortedPos, float *sortedVel,
|
|
uint *gridParticleIndex, uint *cellStart, uint *cellEnd,
|
|
uint numParticles, uint numCells);
|
|
|
|
void sortParticles(uint *dGridParticleHash, uint *dGridParticleIndex,
|
|
uint numParticles);
|
|
}
|