63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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#include "opencl_util.h"
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#include <stdio.h>
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void print_platform_info(cl_platform_id platform) {
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size_t sz;
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char *buf;
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CHECK_OPENCL(clGetPlatformInfo(platform, CL_PLATFORM_NAME, 0, NULL, &sz));
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buf = (char*)malloc(sz);
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CHECK_OPENCL(clGetPlatformInfo(platform, CL_PLATFORM_NAME, sz, buf, NULL));
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printf("OpenCL platform name: %s\n", buf);
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free(buf);
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}
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void print_device_info(cl_device_id device) {
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size_t sz;
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char *buf;
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CHECK_OPENCL(clGetDeviceInfo(device, CL_DEVICE_NAME, 0, NULL, &sz));
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buf = (char*)malloc(sz);
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CHECK_OPENCL(clGetDeviceInfo(device, CL_DEVICE_NAME, sz, buf, NULL));
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printf("OpenCL device name: %s\n", buf);
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free(buf);
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}
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cl_program create_and_build_program_with_source(cl_context context, cl_device_id device, const char *file_name) {
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cl_int err;
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FILE *file = fopen(file_name, "rb");
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if (file == NULL) {
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printf("Failed to open %s\n", file_name);
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exit(EXIT_FAILURE);
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}
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fseek(file, 0, SEEK_END);
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size_t source_size = ftell(file);
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rewind(file);
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char *source_code = (char*)malloc(source_size + 1);
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size_t ret = fread(source_code, sizeof(char), source_size, file);
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if (ret != source_size) {
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printf("Failed to read %s\n", file_name);
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exit(EXIT_FAILURE);
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}
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source_code[source_size] = '\0';
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fclose(file);
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cl_program program = clCreateProgramWithSource(context, 1, (const char**)&source_code, &source_size, &err);
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CHECK_OPENCL(err);
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free(source_code);
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err = clBuildProgram(program, 1, &device, "", NULL, NULL);
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if (err == CL_BUILD_PROGRAM_FAILURE) {
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size_t log_size;
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CHECK_OPENCL(clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size));
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char *log = (char*)malloc(log_size + 1);
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CHECK_OPENCL(clGetProgramBuildInfo(program, device, CL_PROGRAM_BUILD_LOG, log_size, log, NULL));
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log[log_size] = 0;
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printf("Compile error:\n%s\n", log);
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free(log);
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}
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CHECK_OPENCL(err);
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return program;
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}
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