54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
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#include <stdio.h>
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#include <CL/cl.h>
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#include <stdlib.h>
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#include <stdint.h>
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int main()
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{
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cl_int error;
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cl_platform_id *platform_ids = NULL;
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cl_device_id *device_ids = NULL;
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cl_uint platform_id_count = 0;
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cl_uint device_id_count = 0;
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cl_context_properties context_properties[4];
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cl_context context;
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clGetPlatformIDs (0, NULL, &platform_id_count);
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if (platform_id_count == 0)
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return -1;
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platform_ids = (cl_platform_id*) malloc(platform_id_count *
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sizeof(cl_platform_id));
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if (platform_ids == NULL)
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return -1;
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clGetPlatformIDs (platform_id_count, platform_ids, NULL);
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printf("Platforms available: %u\n", (unsigned int)platform_id_count);
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clGetDeviceIDs (platform_ids[0], CL_DEVICE_TYPE_ALL, 0, NULL,
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&device_id_count);
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printf("Device in Platform 0 count: %u\n", (unsigned int)device_id_count);
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if (device_id_count == 0)
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return -1;
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device_ids = (cl_device_id*) malloc(sizeof(cl_device_id)*device_id_count);
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clGetDeviceIDs (platform_ids[0], CL_DEVICE_TYPE_ALL, device_id_count,
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device_ids, NULL);
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context_properties[0] = CL_CONTEXT_PLATFORM;
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context_properties[1] = (cl_context_properties)platform_ids[0];
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context_properties[2] = context_properties[3] = 0;
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context = clCreateContext (context_properties, device_id_count,
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device_ids, NULL,
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NULL, &error);
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return 0;
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}
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