2 Copyright (c) 2012, Brice Videau <brice.videau@imag.fr>
3 Copyright (c) 2012, Vincent Danjean <Vincent.Danjean@ens-lyon.org>
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
9 1. Redistributions of source code must retain the above copyright notice, this
10 list of conditions and the following disclaimer.
11 2. Redistributions in binary form must reproduce the above copyright notice,
12 this list of conditions and the following disclaimer in the documentation
13 and/or other materials provided with the distribution.
15 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
16 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
19 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
20 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
22 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
24 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #include <sys/types.h>
40 #pragma GCC diagnostic push
41 # pragma GCC diagnostic ignored "-Wcpp"
42 # define CL_USE_DEPRECATED_OPENCL_1_1_APIS
43 # include <CL/opencl.h>
44 #pragma GCC diagnostic pop
46 #pragma GCC visibility push(hidden)
48 #include "ocl_icd_loader.h"
49 #define DEBUG_OCL_ICD_PROVIDE_DUMP_FIELD
50 #include "ocl_icd_debug.h"
52 #define ETC_OPENCL_VENDORS "/etc/OpenCL/vendors"
54 int debug_ocl_icd_mask=0;
56 typedef __typeof__(clGetPlatformInfo) *clGetPlatformInfo_fn;
58 inline void dump_vendor_icd(const char* info, const struct vendor_icd *v) {
59 debug(D_DUMP, "%s %p={ num=%i, handle=%p, f=%p}\n", info,
60 v, v->num_platforms, v->dl_handle, v->ext_fn_ptr);
63 struct vendor_icd *_icds=NULL;
64 struct platform_icd *_picds=NULL;
65 static cl_uint _num_icds = 0;
66 cl_uint _num_picds = 0;
69 # define _clS(x) [-x] = #x
70 # define MAX_CL_ERRORS (-CL_INVALID_DEVICE_PARTITION_COUNT)
71 static char const * const clErrorStr[MAX_CL_ERRORS+1] = {
73 _clS(CL_DEVICE_NOT_FOUND),
74 _clS(CL_DEVICE_NOT_AVAILABLE),
75 _clS(CL_COMPILER_NOT_AVAILABLE),
76 _clS(CL_MEM_OBJECT_ALLOCATION_FAILURE),
77 _clS(CL_OUT_OF_RESOURCES),
78 _clS(CL_OUT_OF_HOST_MEMORY),
79 _clS(CL_PROFILING_INFO_NOT_AVAILABLE),
80 _clS(CL_MEM_COPY_OVERLAP),
81 _clS(CL_IMAGE_FORMAT_MISMATCH),
82 _clS(CL_IMAGE_FORMAT_NOT_SUPPORTED),
83 _clS(CL_BUILD_PROGRAM_FAILURE),
85 _clS(CL_MISALIGNED_SUB_BUFFER_OFFSET),
86 _clS(CL_EXEC_STATUS_ERROR_FOR_EVENTS_IN_WAIT_LIST),
87 _clS(CL_COMPILE_PROGRAM_FAILURE),
88 _clS(CL_LINKER_NOT_AVAILABLE),
89 _clS(CL_LINK_PROGRAM_FAILURE),
90 _clS(CL_DEVICE_PARTITION_FAILED),
91 _clS(CL_KERNEL_ARG_INFO_NOT_AVAILABLE),
92 _clS(CL_INVALID_VALUE),
93 _clS(CL_INVALID_DEVICE_TYPE),
94 _clS(CL_INVALID_PLATFORM),
95 _clS(CL_INVALID_DEVICE),
96 _clS(CL_INVALID_CONTEXT),
97 _clS(CL_INVALID_QUEUE_PROPERTIES),
98 _clS(CL_INVALID_COMMAND_QUEUE),
99 _clS(CL_INVALID_HOST_PTR),
100 _clS(CL_INVALID_MEM_OBJECT),
101 _clS(CL_INVALID_IMAGE_FORMAT_DESCRIPTOR),
102 _clS(CL_INVALID_IMAGE_SIZE),
103 _clS(CL_INVALID_SAMPLER),
104 _clS(CL_INVALID_BINARY),
105 _clS(CL_INVALID_BUILD_OPTIONS),
106 _clS(CL_INVALID_PROGRAM),
107 _clS(CL_INVALID_PROGRAM_EXECUTABLE),
108 _clS(CL_INVALID_KERNEL_NAME),
109 _clS(CL_INVALID_KERNEL_DEFINITION),
110 _clS(CL_INVALID_KERNEL),
111 _clS(CL_INVALID_ARG_INDEX),
112 _clS(CL_INVALID_ARG_VALUE),
113 _clS(CL_INVALID_ARG_SIZE),
114 _clS(CL_INVALID_KERNEL_ARGS),
115 _clS(CL_INVALID_WORK_DIMENSION),
116 _clS(CL_INVALID_WORK_GROUP_SIZE),
117 _clS(CL_INVALID_WORK_ITEM_SIZE),
118 _clS(CL_INVALID_GLOBAL_OFFSET),
119 _clS(CL_INVALID_EVENT_WAIT_LIST),
120 _clS(CL_INVALID_EVENT),
121 _clS(CL_INVALID_OPERATION),
122 _clS(CL_INVALID_GL_OBJECT),
123 _clS(CL_INVALID_BUFFER_SIZE),
124 _clS(CL_INVALID_MIP_LEVEL),
125 _clS(CL_INVALID_GLOBAL_WORK_SIZE),
126 _clS(CL_INVALID_PROPERTY),
127 _clS(CL_INVALID_IMAGE_DESCRIPTOR),
128 _clS(CL_INVALID_COMPILER_OPTIONS),
129 _clS(CL_INVALID_LINKER_OPTIONS),
130 _clS(CL_INVALID_DEVICE_PARTITION_COUNT)
135 static char* _clerror2string (cl_int error) __attribute__((unused));
136 static char* _clerror2string (cl_int error) {
138 if (-error > MAX_CL_ERRORS || error > 0) {
139 debug(D_WARN, "Unknown error code %d", error);
140 RETURN_STR("OpenCL Error");
142 const char *ret=clErrorStr[-error];
144 debug(D_WARN, "Unknown error code %d", error);
145 RETURN_STR("OpenCL Error");
149 static char number[15];
151 RETURN_STR("CL_SUCCESS");
153 snprintf(number, 15, "%i", error);
158 static inline int _string_end_with_icd(const char* str) {
159 size_t len = strlen(str);
160 if( len<5 || strcmp(str + len - 4, ".icd" ) != 0 ) {
166 static inline int _string_with_slash(const char* str) {
167 return strchr(str, '/') != NULL;
170 static inline unsigned int _find_num_icds(DIR *dir) {
171 unsigned int num_icds = 0;
173 while( (ent=readdir(dir)) != NULL ){
174 if (_string_end_with_icd(ent->d_name)) {
182 static inline unsigned int _load_icd(int num_icds, const char* lib_path) {
184 debug(D_LOG, "Loading ICD '%s'", lib_path);
186 _icds[num_icds].dl_handle = dlopen(lib_path, RTLD_LAZY|RTLD_LOCAL);//|RTLD_DEEPBIND);
187 if(_icds[num_icds].dl_handle != NULL) {
188 debug(D_LOG, "ICD[%i] loaded", num_icds);
191 debug(D_WARN, "error while dlopening the IDL: '%s',\n => skipping ICD", dlerror());
196 static inline unsigned int _open_driver(unsigned int num_icds,
197 const char*dir_path, const char*file_path) {
200 unsigned int lib_path_length;
201 if (dir_path != NULL) {
202 lib_path_length = strlen(dir_path) + strlen(file_path) + 2;
203 lib_path = malloc(lib_path_length*sizeof(char));
204 sprintf(lib_path,"%s/%s", dir_path, file_path);
206 lib_path_length = strlen(file_path) + 1;
207 lib_path = malloc(lib_path_length*sizeof(char));
208 sprintf(lib_path,"%s", file_path);
210 debug(D_LOG, "Considering file '%s'", lib_path);
211 FILE *f = fopen(lib_path,"r");
217 fseek(f, 0, SEEK_END);
218 lib_path_length = ftell(f)+1;
219 fseek(f, 0, SEEK_SET);
220 if(lib_path_length == 1) {
221 debug(D_WARN, "File contents too short, skipping ICD");
225 lib_path = malloc(lib_path_length*sizeof(char));
226 err = fgets(lib_path, lib_path_length, f);
230 debug(D_WARN, "Error while loading file contents, skipping ICD");
234 lib_path_length = strnlen(lib_path, lib_path_length);
236 if( lib_path[lib_path_length-1] == '\n' )
237 lib_path[lib_path_length-1] = '\0';
239 num_icds += _load_icd(num_icds, lib_path);
245 static inline unsigned int _open_drivers(DIR *dir, const char* dir_path) {
246 unsigned int num_icds = 0;
248 while( (ent=readdir(dir)) != NULL ){
249 if(! _string_end_with_icd(ent->d_name)) {
252 num_icds = _open_driver(num_icds, dir_path, ent->d_name);
258 static void* _get_function_addr(void* dlh, clGetExtensionFunctionAddress_fn fn, const char*name) {
260 debug(D_LOG,"Looking for function %s",name);
261 addr1=dlsym(dlh, name);
263 debug(D_WARN, "Missing global symbol '%s' in ICD, should be skipped", name);
269 debug(D_WARN, "Missing function '%s' in ICD, should be skipped", name);
272 if (addr1 && addr2 && addr1!=addr2) {
273 debug(D_WARN, "Function and symbol '%s' have different addresses!", name);
277 if (!addr2) addr2=addr1;
281 static int _allocate_platforms(int req) {
282 static cl_uint allocated=0;
283 debug(D_LOG,"Requesting allocation for %d platforms",req);
284 if (allocated - _num_picds < req) {
286 _picds=(struct platform_icd*)malloc(req*sizeof(struct platform_icd));
288 req = req - (allocated - _num_picds);
289 _picds=(struct platform_icd*)realloc(_picds, (allocated+req)*sizeof(struct platform_icd));
293 RETURN(allocated - _num_picds);
296 static char* _malloc_clGetPlatformInfo(clGetPlatformInfo_fn plt_info_ptr,
297 cl_platform_id pid, cl_platform_info cname, char* sname) {
299 size_t param_value_size_ret;
300 error = plt_info_ptr(pid, cname, 0, NULL, ¶m_value_size_ret);
301 if (error != CL_SUCCESS) {
302 debug(D_WARN, "Error %s while requesting %s in platform %p",
303 _clerror2string(error), sname, pid);
306 char *param_value = (char *)malloc(sizeof(char)*param_value_size_ret);
307 if (param_value == NULL) {
308 debug(D_WARN, "Error in malloc while requesting %s in platform %p",
312 error = plt_info_ptr(pid, cname, param_value_size_ret, param_value, NULL);
313 if (error != CL_SUCCESS){
315 debug(D_WARN, "Error %s while requesting %s in platform %p",
316 _clerror2string(error), sname, pid);
319 RETURN_STR(param_value);
322 static inline void _find_and_check_platforms(cl_uint num_icds) {
325 for( i=0; i<num_icds; i++){
326 debug(D_LOG, "Checking ICD %i/%i", i, num_icds);
327 dump_vendor_icd("before looking for platforms", &_icds[i]);
328 struct vendor_icd *picd = &_icds[i];
329 void* dlh = _icds[i].dl_handle;
330 picd->ext_fn_ptr = _get_function_addr(dlh, NULL, "clGetExtensionFunctionAddress");
331 clIcdGetPlatformIDsKHR_fn plt_fn_ptr =
332 _get_function_addr(dlh, picd->ext_fn_ptr, "clIcdGetPlatformIDsKHR");
333 clGetPlatformInfo_fn plt_info_ptr =
334 _get_function_addr(dlh, picd->ext_fn_ptr, "clGetPlatformInfo");
335 if( picd->ext_fn_ptr == NULL
336 || plt_fn_ptr == NULL
337 || plt_info_ptr == NULL) {
338 debug(D_WARN, "Missing symbols in ICD, skipping it");
341 cl_uint num_platforms=0;
343 error = (*plt_fn_ptr)(0, NULL, &num_platforms);
344 if( error != CL_SUCCESS || num_platforms == 0) {
345 debug(D_LOG, "No platform in ICD, skipping it");
348 cl_platform_id *platforms = (cl_platform_id *) malloc( sizeof(cl_platform_id) * num_platforms);
349 error = (*plt_fn_ptr)(num_platforms, platforms, NULL);
350 if( error != CL_SUCCESS ){
352 debug(D_WARN, "Error in loading ICD platforms, skipping ICD");
355 cl_uint num_valid_platforms=0;
357 debug(D_LOG, "Try to load %d platforms", num_platforms);
358 if (_allocate_platforms(num_platforms) < num_platforms) {
360 debug(D_WARN, "Not enought platform allocated. Skipping ICD");
363 for(j=0; j<num_platforms; j++) {
364 debug(D_LOG, "Checking platform %i", j);
365 struct platform_icd *p=&_picds[_num_picds];
366 char *param_value=NULL;
367 p->extension_suffix=NULL;
371 if (debug_ocl_icd_mask & D_DUMP) {
372 int log=debug_ocl_icd_mask & D_TRACE;
373 debug_ocl_icd_mask &= ~D_TRACE;
374 dump_platform(p->vicd->ext_fn_ptr, p->pid);
375 debug_ocl_icd_mask |= log;
379 /* Allow to workaround a bug in the Intel ICD used
380 * with optirun (search for NVidia Optimus for more info)
382 const char* str=getenv("OCL_ICD_ASSUME_ICD_EXTENSION");
383 if (! str || str[0]==0) {
384 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_EXTENSIONS, "extensions");
385 if (param_value == NULL){
386 debug(D_WARN, "Skipping platform %i", j);
389 debug(D_DUMP, "Supported extensions: %s", param_value);
390 if( strstr(param_value, "cl_khr_icd") == NULL){
392 debug(D_WARN, "Missing khr extension in platform %i, skipping it", j);
398 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_ICD_SUFFIX_KHR, "suffix");
399 if (param_value == NULL){
400 debug(D_WARN, "Skipping platform %i", j);
403 p->extension_suffix = param_value;
404 debug(D_DUMP|D_LOG, "Extension suffix: %s", param_value);
406 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_PROFILE, "profile");
407 if (param_value != NULL){
408 debug(D_DUMP, "Profile: %s", param_value);
411 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_VERSION, "version");
412 p->version = param_value;
413 if (param_value != NULL){
414 debug(D_DUMP, "Version: %s", param_value);
417 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_NAME, "name");
418 if (param_value != NULL){
419 debug(D_DUMP, "Name: %s", param_value);
422 param_value=_malloc_clGetPlatformInfo(plt_info_ptr, p->pid, CL_PLATFORM_VENDOR, "vendor");
423 if (param_value != NULL){
424 debug(D_DUMP, "Vendor: %s", param_value);
428 num_valid_platforms++;
431 if( num_valid_platforms != 0 ) {
432 if ( _num_icds != i ) {
433 picd->dl_handle = dlh;
435 dump_vendor_icd("after looking for platforms", &_icds[_num_icds]);
437 picd->num_platforms = num_valid_platforms;
445 static void __initClIcd( void ) {
447 cl_uint num_icds = 0;
450 const char* dir_path=getenv("OCL_ICD_VENDORS");
451 if (! dir_path || dir_path[0]==0) {
452 debug(D_DUMP, "OCL_ICD_VENDORS empty or not defined, using %s", ETC_OPENCL_VENDORS);
453 dir_path=ETC_OPENCL_VENDORS;
458 int ret=stat(dir_path, &buf);
459 if (ret != 0 && errno != ENOENT) {
460 debug(D_WARN, "Cannot stat '%s'. Aborting", dir_path);
462 if (ret == 0 && S_ISDIR(buf.st_mode)) {
468 debug(D_LOG,"Only loading '%s' as an ICD", dir_path);
472 debug(D_LOG,"Reading icd list from '%s'", dir_path);
473 dir = opendir(dir_path);
475 if (errno == ENOTDIR) {
476 debug(D_DUMP, "%s is not a directory, trying to use it as a ICD libname",
482 num_icds = _find_num_icds(dir);
488 _icds = (struct vendor_icd*)malloc(num_icds * sizeof(struct vendor_icd));
494 if (_string_end_with_icd(dir_path)) {
496 if (! _string_with_slash(dir_path)) {
497 num_icds = _open_driver(0, ETC_OPENCL_VENDORS, dir_path);
500 num_icds = _open_driver(0, NULL, dir_path);
503 num_icds = _load_icd(0, dir_path);
506 num_icds = _open_drivers(dir, dir_path);
512 _find_and_check_platforms(num_icds);
517 if (_num_icds < num_icds) {
518 _icds = (struct vendor_icd*)realloc(_icds, _num_icds * sizeof(struct vendor_icd));
520 debug(D_WARN, "%d valid vendor(s)!", _num_icds);
539 static pthread_once_t once_init = PTHREAD_ONCE_INIT;
543 volatile static __thread int in_init = 0;
544 volatile static cl_uint _initialized = 0;
546 static void _initClIcd_real( void ) {
549 /* probably reentrency, in_init is a __thread variable */
550 debug(D_WARN, "Executing init while already in init!");
553 __sync_synchronize();
554 pthread_once(&once_init, &__initClIcd);
555 __sync_synchronize();
559 if (__sync_bool_compare_and_swap(&gard, 0, 1)) {
561 __sync_synchronize();
563 __sync_synchronize();
567 /* probably reentrency (could also be preemptive user-level threads). */
569 /* someone else started __initClIcd(). We wait until it ends. */
570 debug(D_WARN, "Waiting end of init");
571 while (!_initialized) {
572 __sync_synchronize();
574 debug(D_WARN, "Wait done");
581 static inline void _initClIcd( void ) {
582 if( __builtin_expect (_initialized, 1) )
587 cl_platform_id __attribute__((visibility("internal")))
588 getDefaultPlatformID() {
589 static cl_platform_id defaultPlatformID=NULL;
590 static int defaultSet=0;
594 if(_num_picds == 0) {
597 const char *default_platform = getenv("OPENCL_ICD_DEFAULT_PLATFORM");
598 int num_default_platform;
600 if (! default_platform) {
601 num_default_platform = 0;
603 num_default_platform = strtol(default_platform, &end_scan, 10);
604 if (*default_platform == '\0' || *end_scan != '\0') {
608 if (num_default_platform < 0 || num_default_platform >= _num_picds) {
611 defaultPlatformID=_picds[num_default_platform].pid;
615 return defaultPlatformID;
618 #pragma GCC visibility pop
619 #define hidden_alias(name) \
620 typeof(name) name##_hid __attribute__ ((alias (#name), visibility("hidden")))
623 CL_ICDL_OCL_VERSION=1,
629 static cl_int clGetICDLoaderInfoOCLICD(
630 cl_icdl_info param_name,
631 size_t param_value_size,
633 size_t * param_value_size_ret)
635 char cl_icdl_ocl_version[] = "OpenCL 1.2";
636 char cl_icdl_version[] = PACKAGE_VERSION;
637 char cl_icdl_name[] = PACKAGE_NAME;
638 char cl_icdl_vendor[] = "OCL Icd free software";
642 #define oclcase(name, NAME) \
643 case CL_ICDL_##NAME: \
644 string_p = cl_icdl_##name; \
645 size_string = sizeof(cl_icdl_##name); \
648 switch ( param_name ) {
649 oclcase(ocl_version,OCL_VERSION);
650 oclcase(version,VERSION);
652 oclcase(vendor,VENDOR);
654 return CL_INVALID_VALUE;
658 if( param_value != NULL ) {
659 if( size_string > param_value_size )
660 return CL_INVALID_VALUE;
661 memcpy(param_value, string_p, size_string);
663 if( param_value_size_ret != NULL )
664 *param_value_size_ret = size_string;
668 CL_API_ENTRY void * CL_API_CALL
669 clGetExtensionFunctionAddress(const char * func_name) CL_API_SUFFIX__VERSION_1_0 {
672 if( func_name == NULL )
674 cl_uint suffix_length;
676 void * return_value=NULL;
677 struct func_desc const * fn=&function_description[0];
678 int lenfn=strlen(func_name);
680 (strcmp(func_name+lenfn-3, "KHR")==0 || strcmp(func_name+lenfn-3, "EXT")==0)) {
681 while (fn->name != NULL) {
682 if (strcmp(func_name, fn->name)==0)
687 for(i=0; i<_num_picds; i++) {
688 suffix_length = strlen(_picds[i].extension_suffix);
689 if( suffix_length > strlen(func_name) )
691 if(strcmp(_picds[i].extension_suffix, &func_name[strlen(func_name)-suffix_length]) == 0)
692 RETURN((*_picds[i].vicd->ext_fn_ptr)(func_name));
694 if(strcmp(func_name, "clGetICDLoaderInfoOCLICD") == 0) {
695 return (void*)(void*(*)(void))(&clGetICDLoaderInfoOCLICD);
697 RETURN(return_value);
699 hidden_alias(clGetExtensionFunctionAddress);
701 CL_API_ENTRY cl_int CL_API_CALL
702 clGetPlatformIDs(cl_uint num_entries,
703 cl_platform_id * platforms,
704 cl_uint * num_platforms) CL_API_SUFFIX__VERSION_1_0 {
707 if( platforms == NULL && num_platforms == NULL )
708 RETURN(CL_INVALID_VALUE);
709 if( num_entries == 0 && platforms != NULL )
710 RETURN(CL_INVALID_VALUE);
711 if( _num_icds == 0 || _num_picds == 0 ) {
712 if ( num_platforms != NULL )
714 RETURN(CL_PLATFORM_NOT_FOUND_KHR);
718 if( num_platforms != NULL ){
719 *num_platforms = _num_picds;
721 if( platforms != NULL ) {
722 cl_uint n_platforms = _num_picds < num_entries ? _num_picds : num_entries;
723 for( i=0; i<n_platforms; i++) {
724 *(platforms++) = _picds[i].pid;
729 hidden_alias(clGetPlatformIDs);
731 #define RETURN_WITH_ERRCODE(errvar, errvalue, retvalue) \
739 #define CHECK_PLATFORM(__pid) \
741 cl_platform_id _pid=(__pid); \
744 for( j=0; j<_num_picds; j++) { \
745 if( _picds[j].pid == _pid) { \
753 CL_API_ENTRY cl_context CL_API_CALL
754 clCreateContext(const cl_context_properties * properties ,
755 cl_uint num_devices ,
756 const cl_device_id * devices ,
757 void (CL_CALLBACK * pfn_notify )(const char *, const void *, size_t, void *),
759 cl_int * errcode_ret ){
763 if( properties != NULL){
764 while( properties[i] != 0 ) {
765 if( properties[i] == CL_CONTEXT_PLATFORM ) {
766 if((struct _cl_platform_id *) properties[i+1] == NULL) {
768 *errcode_ret = CL_INVALID_PLATFORM;
772 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
773 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_PLATFORM, NULL);
776 RETURN(((struct _cl_platform_id *) properties[i+1])
777 ->dispatch->clCreateContext(properties, num_devices, devices,
778 pfn_notify, user_data, errcode_ret));
783 if(devices == NULL || num_devices == 0) {
784 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_VALUE, NULL);
786 if((struct _cl_device_id *)devices[0] == NULL) {
787 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_DEVICE, NULL);
789 RETURN(((struct _cl_device_id *)devices[0])
790 ->dispatch->clCreateContext(properties, num_devices, devices,
791 pfn_notify, user_data, errcode_ret));
793 hidden_alias(clCreateContext);
795 CL_API_ENTRY cl_context CL_API_CALL
796 clCreateContextFromType(const cl_context_properties * properties ,
797 cl_device_type device_type ,
798 void (CL_CALLBACK * pfn_notify )(const char *, const void *, size_t, void *),
800 cl_int * errcode_ret ){
803 if(_num_picds == 0) {
807 if( properties != NULL){
808 while( properties[i] != 0 ) {
809 if( properties[i] == CL_CONTEXT_PLATFORM ) {
810 if( (struct _cl_platform_id *) properties[i+1] == NULL ) {
813 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
817 return ((struct _cl_platform_id *) properties[i+1])
818 ->dispatch->clCreateContextFromType(properties, device_type,
819 pfn_notify, user_data, errcode_ret);
824 const char *default_platform = getenv("OPENCL_ICD_DEFAULT_PLATFORM");
825 int num_default_platform;
827 if (! default_platform) {
828 num_default_platform = 0;
830 num_default_platform = strtol(default_platform, &end_scan, 10);
831 if (*default_platform == '\0' || *end_scan != '\0') {
835 if (num_default_platform < 0 || num_default_platform >= _num_picds) {
838 RETURN(_picds[num_default_platform].pid->dispatch->clCreateContextFromType
839 (properties, device_type, pfn_notify, user_data, errcode_ret));
842 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_PLATFORM, NULL);
844 hidden_alias(clCreateContextFromType);
846 CL_API_ENTRY cl_int CL_API_CALL
847 clGetGLContextInfoKHR(const cl_context_properties * properties ,
848 cl_gl_context_info param_name ,
849 size_t param_value_size ,
851 size_t * param_value_size_ret ){
855 if( properties != NULL){
856 while( properties[i] != 0 ) {
857 if( properties[i] == CL_CONTEXT_PLATFORM ) {
858 if( (struct _cl_platform_id *) properties[i+1] == NULL ) {
859 RETURN(CL_INVALID_PLATFORM);
861 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
862 RETURN(CL_INVALID_PLATFORM);
865 RETURN(((struct _cl_platform_id *) properties[i+1])
866 ->dispatch->clGetGLContextInfoKHR(properties, param_name,
867 param_value_size, param_value, param_value_size_ret));
872 RETURN(CL_INVALID_PLATFORM);
874 hidden_alias(clGetGLContextInfoKHR);
876 CL_API_ENTRY cl_int CL_API_CALL
877 clWaitForEvents(cl_uint num_events ,
878 const cl_event * event_list ){
880 if( num_events == 0 || event_list == NULL )
881 RETURN(CL_INVALID_VALUE);
882 if( (struct _cl_event *)event_list[0] == NULL )
883 RETURN(CL_INVALID_EVENT);
884 RETURN(((struct _cl_event *)event_list[0])
885 ->dispatch->clWaitForEvents(num_events, event_list));
887 hidden_alias(clWaitForEvents);
889 CL_API_ENTRY cl_int CL_API_CALL
890 clUnloadCompiler( void ){
894 hidden_alias(clUnloadCompiler);