You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
1.6 KiB
57 lines
1.6 KiB
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <assert.h>
|
|
#ifdef __APPLE__
|
|
#include <OpenCL/opencl.h>
|
|
#else
|
|
#include <CL/cl.h>
|
|
#endif
|
|
|
|
#define KERNEL "part4.cl"
|
|
|
|
int main() {
|
|
|
|
cl_platform_id platform;
|
|
cl_device_id device;
|
|
cl_context context;
|
|
cl_program program;
|
|
|
|
FILE* programHandle;
|
|
size_t programSize, kernelSourceSize;
|
|
char *programBuffer, *kernelSource;
|
|
|
|
// get first available platform and gpu and create context
|
|
clGetPlatformIDs(1, &platform, NULL);
|
|
clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 1, &device, NULL);
|
|
context = clCreateContext(NULL, 1, &device, NULL, NULL, NULL);
|
|
|
|
// get size of kernel source
|
|
programHandle = fopen(KERNEL, "r");
|
|
fseek(programHandle, 0, SEEK_END);
|
|
programSize = ftell(programHandle);
|
|
rewind(programHandle);
|
|
|
|
// read kernel source into buffer
|
|
programBuffer = (char*) malloc(programSize + 1);
|
|
programBuffer[programSize] = '\0';
|
|
assert (programSize == fread(programBuffer, sizeof(char), programSize, programHandle));
|
|
fclose(programHandle);
|
|
|
|
// create program from buffer
|
|
program = clCreateProgramWithSource(context, 1,
|
|
(const char**) &programBuffer, &programSize, NULL);
|
|
free(programBuffer);
|
|
|
|
// read kernel source back in from program to check
|
|
clGetProgramInfo(program, CL_PROGRAM_SOURCE, 0, NULL, &kernelSourceSize);
|
|
kernelSource = (char*) malloc(kernelSourceSize);
|
|
clGetProgramInfo(program, CL_PROGRAM_SOURCE, kernelSourceSize, kernelSource, NULL);
|
|
printf("\nKernel source:\n\n%s\n", kernelSource);
|
|
free(kernelSource);
|
|
|
|
clReleaseContext(context);
|
|
return 0;
|
|
|
|
}
|
|
|
|
// vim: set ft=c ts=4 sw=4:
|