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authorThomas White <taw@physics.org>2011-11-15 12:17:59 +0100
committerThomas White <taw@physics.org>2012-02-22 15:27:40 +0100
commit469efb904b59f137ac9e85e5ff23edd0c113de5c (patch)
tree71fab5f5715ec9f88984450cdabb592cd49dd46d /src/cl-utils.c
parent38089071300b8e04ed42236dd08d9055094fb3b8 (diff)
Move a load more stuff into libcrystfel
Diffstat (limited to 'src/cl-utils.c')
-rw-r--r--src/cl-utils.c200
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;
-}