diff options
author | Thomas White <taw@physics.org> | 2011-11-15 12:17:59 +0100 |
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committer | Thomas White <taw@physics.org> | 2012-02-22 15:27:40 +0100 |
commit | 469efb904b59f137ac9e85e5ff23edd0c113de5c (patch) | |
tree | 71fab5f5715ec9f88984450cdabb592cd49dd46d /src/cl-utils.c | |
parent | 38089071300b8e04ed42236dd08d9055094fb3b8 (diff) |
Move a load more stuff into libcrystfel
Diffstat (limited to 'src/cl-utils.c')
-rw-r--r-- | src/cl-utils.c | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/src/cl-utils.c b/src/cl-utils.c deleted file mode 100644 index 65a09363..00000000 --- a/src/cl-utils.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * cl-utils.c - * - * OpenCL utility functions - * - * (c) 2006-2011 Thomas White <taw@physics.org> - * - * Part of CrystFEL - crystallography with a FEL - * - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#ifdef HAVE_CL_CL_H -#include <CL/cl.h> -#else -#include <cl.h> -#endif - -#include "utils.h" - - -const char *clError(cl_int err) -{ - switch ( err ) { - case CL_SUCCESS : return "no error"; - case CL_INVALID_PLATFORM : return "invalid platform"; - case CL_INVALID_KERNEL : return "invalid kernel"; - case CL_INVALID_ARG_INDEX : return "invalid argument index"; - case CL_INVALID_ARG_VALUE : return "invalid argument value"; - case CL_INVALID_MEM_OBJECT : return "invalid memory object"; - case CL_INVALID_SAMPLER : return "invalid sampler"; - case CL_INVALID_ARG_SIZE : return "invalid argument size"; - case CL_INVALID_COMMAND_QUEUE : return "invalid command queue"; - case CL_INVALID_CONTEXT : return "invalid context"; - case CL_INVALID_VALUE : return "invalid value"; - case CL_INVALID_EVENT_WAIT_LIST : return "invalid wait list"; - case CL_MAP_FAILURE : return "map failure"; - case CL_MEM_OBJECT_ALLOCATION_FAILURE : return "object allocation failure"; - case CL_OUT_OF_HOST_MEMORY : return "out of host memory"; - case CL_OUT_OF_RESOURCES : return "out of resources"; - case CL_INVALID_KERNEL_NAME : return "invalid kernel name"; - case CL_INVALID_KERNEL_ARGS : return "invalid kernel arguments"; - case CL_INVALID_WORK_GROUP_SIZE : return "invalid work group size"; - case CL_IMAGE_FORMAT_NOT_SUPPORTED : return "image format not supported"; - case CL_INVALID_WORK_DIMENSION : return "invalid work dimension"; - default : - return "unknown error"; - } -} - - -static char *get_device_string(cl_device_id dev, cl_device_info info) -{ - int r; - size_t size; - char *val; - - r = clGetDeviceInfo(dev, info, 0, NULL, &size); - if ( r != CL_SUCCESS ) { - ERROR("Couldn't get device vendor size: %s\n", - clError(r)); - return NULL; - } - val = malloc(size); - r = clGetDeviceInfo(dev, info, size, val, NULL); - if ( r != CL_SUCCESS ) { - ERROR("Couldn't get dev vendor: %s\n", clError(r)); - return NULL; - } - - return val; -} - - -cl_device_id get_cl_dev(cl_context ctx, int n) -{ - cl_device_id *dev; - cl_int r; - size_t size; - int i, num_devs; - - /* Get the required size of the array */ - r = clGetContextInfo(ctx, CL_CONTEXT_DEVICES, 0, NULL, &size); - if ( r != CL_SUCCESS ) { - ERROR("Couldn't get array size for devices: %s\n", clError(r)); - return 0; - } - - dev = malloc(size); - r = clGetContextInfo(ctx, CL_CONTEXT_DEVICES, size, dev, NULL); - if ( r != CL_SUCCESS ) { - ERROR("Couldn't get device: %s\n", clError(r)); - return 0; - } - num_devs = size/sizeof(cl_device_id); - - if ( n >= num_devs ) { - ERROR("Device ID out of range\n"); - return 0; - } - - if ( n < 0 ) { - - STATUS("Available devices:\n"); - for ( i=0; i<num_devs; i++ ) { - - char *vendor; - char *name; - - vendor = get_device_string(dev[i], CL_DEVICE_VENDOR); - name = get_device_string(dev[i], CL_DEVICE_NAME); - - STATUS("Device %i: %s %s\n", i, vendor, name); - - } - n = 0; - - STATUS("Using device 0. Use --gpu-dev to choose another.\n"); - - } else { - - char *vendor; - char *name; - - vendor = get_device_string(dev[n], CL_DEVICE_VENDOR); - name = get_device_string(dev[n], CL_DEVICE_NAME); - - STATUS("Using device %i: %s %s\n", n, vendor, name); - - } - - return dev[n]; -} - - -static void show_build_log(cl_program prog, cl_device_id dev) -{ - cl_int r; - char log[4096]; - size_t s; - - r = clGetProgramBuildInfo(prog, dev, CL_PROGRAM_BUILD_LOG, 4096, log, - &s); - - STATUS("%s\n", log); -} - - -cl_program load_program(const char *filename, cl_context ctx, - cl_device_id dev, cl_int *err, const char *extra_cflags) -{ - FILE *fh; - cl_program prog; - char *source; - size_t len; - cl_int r; - char cflags[1024] = ""; - - fh = fopen(filename, "r"); - if ( fh == NULL ) { - ERROR("Couldn't open '%s'\n", filename); - *err = CL_INVALID_PROGRAM; - return 0; - } - source = malloc(16384); - len = fread(source, 1, 16383, fh); - fclose(fh); - source[len] = '\0'; - - prog = clCreateProgramWithSource(ctx, 1, (const char **)&source, - NULL, err); - if ( *err != CL_SUCCESS ) { - ERROR("Couldn't load source\n"); - return 0; - } - - snprintf(cflags, 1023, "-Werror "); - strncat(cflags, "-I"DATADIR"/crystfel/ ", 1023-strlen(cflags)); - strncat(cflags, "-cl-no-signed-zeros ", 1023-strlen(cflags)); - strncat(cflags, extra_cflags, 1023-strlen(cflags)); - - r = clBuildProgram(prog, 0, NULL, cflags, NULL, NULL); - if ( r != CL_SUCCESS ) { - ERROR("Couldn't build program '%s'\n", filename); - show_build_log(prog, dev); - *err = r; - return 0; - } - - free(source); - *err = CL_SUCCESS; - return prog; -} |