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70 lines
2.2 KiB
70 lines
2.2 KiB
11 years ago
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#include "binary_kernel.h"
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#include <sys/stat.h>
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cl_program load_opencl_binary_kernel(build_kernel_data *data)
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{
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FILE *binaryfile = NULL;
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size_t binary_size;
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char **binaries = (char **)calloc(MAX_GPUDEVICES * 4, sizeof(char *));
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cl_int status;
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cl_program program;
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cl_program ret = NULL;
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binaryfile = fopen(data->binary_filename, "rb");
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if (!binaryfile) {
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applog(LOG_DEBUG, "No binary found, generating from source");
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goto out;
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} else {
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struct stat binary_stat;
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if (unlikely(stat(data->binary_filename, &binary_stat))) {
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applog(LOG_DEBUG, "Unable to stat binary, generating from source");
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goto out;
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}
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if (!binary_stat.st_size)
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goto out;
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binary_size = binary_stat.st_size;
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binaries[0] = (char *)calloc(binary_size, 1);
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if (unlikely(!binaries[0])) {
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quit(1, "Unable to calloc binaries");
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}
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if (fread(binaries[0], 1, binary_size, binaryfile) != binary_size) {
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applog(LOG_ERR, "Unable to fread binary");
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goto out;
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}
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program = clCreateProgramWithBinary(data->context, 1, data->device, &binary_size, (const unsigned char **)binaries, &status, NULL);
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if (status != CL_SUCCESS) {
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applog(LOG_ERR, "Error %d: Loading Binary into cl_program (clCreateProgramWithBinary)", status);
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goto out;
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}
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applog(LOG_DEBUG, "Loaded binary image %s", data->binary_filename);
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/* create a cl program executable for all the devices specified */
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status = clBuildProgram(program, 1, data->device, NULL, NULL, NULL);
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if (status != CL_SUCCESS) {
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applog(LOG_ERR, "Error %d: Building Program (clBuildProgram)", status);
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size_t log_size;
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status = clGetProgramBuildInfo(program, *data->device, CL_PROGRAM_BUILD_LOG, 0, NULL, &log_size);
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char *sz_log = (char *)malloc(log_size + 1);
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status = clGetProgramBuildInfo(program, *data->device, CL_PROGRAM_BUILD_LOG, log_size, sz_log, NULL);
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sz_log[log_size] = '\0';
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applog(LOG_ERR, "%s", sz_log);
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free(sz_log);
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clReleaseProgram(program);
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goto out;
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}
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ret = program;
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}
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out:
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if (binaryfile) fclose(binaryfile);
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if (binaries[0]) free(binaries[0]);
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if (binaries) free(binaries);
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return ret;
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}
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