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, first=%i, handle=%p, f=%p}\n", info,
60 v, v->num_platforms, v->first_platform, 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 = strlen(lib_path);
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 plateforms", 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;
438 _icds[i].first_platform = _num_picds - num_valid_platforms;
446 static void __initClIcd( void ) {
448 cl_uint num_icds = 0;
451 const char* dir_path=getenv("OCL_ICD_VENDORS");
452 if (! dir_path || dir_path[0]==0) {
453 debug(D_DUMP, "OCL_ICD_VENDORS empty or not defined, using %s", ETC_OPENCL_VENDORS);
454 dir_path=ETC_OPENCL_VENDORS;
459 int ret=stat(dir_path, &buf);
460 if (ret != 0 && errno != ENOENT) {
461 debug(D_WARN, "Cannot stat '%s'. Aborting", dir_path);
463 if (ret == 0 && S_ISDIR(buf.st_mode)) {
469 debug(D_LOG,"Only loading '%s' as an ICD", dir_path);
473 debug(D_LOG,"Reading icd list from '%s'", dir_path);
474 dir = opendir(dir_path);
476 if (errno == ENOTDIR) {
477 debug(D_DUMP, "%s is not a directory, trying to use it as a ICD libname",
483 num_icds = _find_num_icds(dir);
489 _icds = (struct vendor_icd*)malloc(num_icds * sizeof(struct vendor_icd));
495 if (_string_end_with_icd(dir_path)) {
497 if (! _string_with_slash(dir_path)) {
498 num_icds = _open_driver(0, ETC_OPENCL_VENDORS, dir_path);
501 num_icds = _open_driver(0, NULL, dir_path);
504 num_icds = _load_icd(0, dir_path);
507 num_icds = _open_drivers(dir, dir_path);
513 _find_and_check_platforms(num_icds);
518 if (_num_icds < num_icds) {
519 _icds = (struct vendor_icd*)realloc(_icds, _num_icds * sizeof(struct vendor_icd));
521 debug(D_WARN, "%d valid vendor(s)!", _num_icds);
533 static pthread_once_t once_init = PTHREAD_ONCE_INIT;
537 volatile static __thread int in_init = 0;
538 volatile static cl_uint _initialized = 0;
540 static inline void __attribute__((constructor)) _initClIcd( void ) {
545 /* probably reentrency */
548 __sync_synchronize();
549 pthread_once(&once_init, &__initClIcd);
550 __sync_synchronize();
554 if (__sync_bool_compare_and_swap(&gard, 0, 1)) {
556 __sync_synchronize();
558 __sync_synchronize();
562 /* probably reentrency (could also be user threads). */
564 /* someone else started __initClIcd(). We wait until its end. */
565 debug(D_WARN, "Waiting end of init");
566 while (!_initialized) ;
567 debug(D_WARN, "Wait done");
574 #pragma GCC visibility pop
575 #define hidden_alias(name) \
576 typeof(name) name##_hid __attribute__ ((alias (#name), visibility("hidden")))
579 CL_ICDL_OCL_VERSION=1,
585 static cl_int clGetICDLoaderInfoOCLICD(
586 cl_icdl_info param_name,
587 size_t param_value_size,
589 size_t * param_value_size_ret)
591 char cl_icdl_ocl_version[] = "OpenCL 1.2";
592 char cl_icdl_version[] = PACKAGE_VERSION;
593 char cl_icdl_name[] = PACKAGE_NAME;
594 char cl_icdl_vendor[] = "OCL Icd free software";
598 #define oclcase(name, NAME) \
599 case CL_ICDL_##NAME: \
600 string_p = cl_icdl_##name; \
601 size_string = sizeof(cl_icdl_##name); \
604 switch ( param_name ) {
605 oclcase(ocl_version,OCL_VERSION);
606 oclcase(version,VERSION);
608 oclcase(vendor,VENDOR);
610 return CL_INVALID_VALUE;
614 if( param_value != NULL ) {
615 if( size_string > param_value_size )
616 return CL_INVALID_VALUE;
617 memcpy(param_value, string_p, size_string);
619 if( param_value_size_ret != NULL )
620 *param_value_size_ret = size_string;
624 CL_API_ENTRY void * CL_API_CALL
625 clGetExtensionFunctionAddress(const char * func_name) CL_API_SUFFIX__VERSION_1_0 {
628 if( func_name == NULL )
630 cl_uint suffix_length;
632 void * return_value=NULL;
633 struct func_desc const * fn=&function_description[0];
634 int lenfn=strlen(func_name);
636 (strcmp(func_name+lenfn-3, "KHR")==0 || strcmp(func_name+lenfn-3, "EXT")==0)) {
637 while (fn->name != NULL) {
638 if (strcmp(func_name, fn->name)==0)
643 for(i=0; i<_num_picds; i++) {
644 suffix_length = strlen(_picds[i].extension_suffix);
645 if( suffix_length > strlen(func_name) )
647 if(strcmp(_picds[i].extension_suffix, &func_name[strlen(func_name)-suffix_length]) == 0)
648 RETURN((*_picds[i].vicd->ext_fn_ptr)(func_name));
650 if(strcmp(func_name, "clGetICDLoaderInfoOCLICD") == 0) {
651 return (void*)(void*(*)(void))(&clGetICDLoaderInfoOCLICD);
653 RETURN(return_value);
655 hidden_alias(clGetExtensionFunctionAddress);
657 CL_API_ENTRY cl_int CL_API_CALL
658 clGetPlatformIDs(cl_uint num_entries,
659 cl_platform_id * platforms,
660 cl_uint * num_platforms) CL_API_SUFFIX__VERSION_1_0 {
663 if( platforms == NULL && num_platforms == NULL )
664 RETURN(CL_INVALID_VALUE);
665 if( num_entries == 0 && platforms != NULL )
666 RETURN(CL_INVALID_VALUE);
667 if( _num_icds == 0 || _num_picds == 0 ) {
668 if ( num_platforms != NULL )
670 RETURN(CL_PLATFORM_NOT_FOUND_KHR);
674 if( num_platforms != NULL ){
675 *num_platforms = _num_picds;
677 if( platforms != NULL ) {
678 cl_uint n_platforms = _num_picds < num_entries ? _num_picds : num_entries;
679 for( i=0; i<n_platforms; i++) {
680 *(platforms++) = _picds[i].pid;
685 hidden_alias(clGetPlatformIDs);
687 #define RETURN_WITH_ERRCODE(errvar, errvalue, retvalue) \
695 #define CHECK_PLATFORM(__pid) \
697 cl_platform_id _pid=(__pid); \
700 for( j=0; j<_num_picds; j++) { \
701 if( _picds[j].pid == _pid) { \
709 CL_API_ENTRY cl_context CL_API_CALL
710 clCreateContext(const cl_context_properties * properties ,
711 cl_uint num_devices ,
712 const cl_device_id * devices ,
713 void (CL_CALLBACK * pfn_notify )(const char *, const void *, size_t, void *),
715 cl_int * errcode_ret ){
719 if( properties != NULL){
720 while( properties[i] != 0 ) {
721 if( properties[i] == CL_CONTEXT_PLATFORM ) {
722 if((struct _cl_platform_id *) properties[i+1] == NULL) {
724 *errcode_ret = CL_INVALID_PLATFORM;
728 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
729 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_PLATFORM, NULL);
732 RETURN(((struct _cl_platform_id *) properties[i+1])
733 ->dispatch->clCreateContext(properties, num_devices, devices,
734 pfn_notify, user_data, errcode_ret));
739 if(devices == NULL || num_devices == 0) {
740 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_VALUE, NULL);
742 if((struct _cl_device_id *)devices[0] == NULL) {
743 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_DEVICE, NULL);
745 RETURN(((struct _cl_device_id *)devices[0])
746 ->dispatch->clCreateContext(properties, num_devices, devices,
747 pfn_notify, user_data, errcode_ret));
749 hidden_alias(clCreateContext);
751 CL_API_ENTRY cl_context CL_API_CALL
752 clCreateContextFromType(const cl_context_properties * properties ,
753 cl_device_type device_type ,
754 void (CL_CALLBACK * pfn_notify )(const char *, const void *, size_t, void *),
756 cl_int * errcode_ret ){
760 if( properties != NULL){
761 while( properties[i] != 0 ) {
762 if( properties[i] == CL_CONTEXT_PLATFORM ) {
763 if( (struct _cl_platform_id *) properties[i+1] == NULL ) {
766 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
770 return ((struct _cl_platform_id *) properties[i+1])
771 ->dispatch->clCreateContextFromType(properties, device_type,
772 pfn_notify, user_data, errcode_ret);
777 if(_num_picds == 0) {
779 *errcode_ret = CL_INVALID_VALUE;
783 const char *default_platform = getenv("OPENCL_ICD_DEFAULT_PLATFORM");
784 int num_default_platform;
786 if (! default_platform) {
787 num_default_platform = 0;
789 num_default_platform = strtol(default_platform, &end_scan, 10);
790 if (*default_platform == '\0' || *end_scan != '\0') {
794 if (num_default_platform < 0 || num_default_platform >= _num_picds) {
797 RETURN(_picds[num_default_platform].pid->dispatch->clCreateContextFromType
798 (properties, device_type, pfn_notify, user_data, errcode_ret));
801 RETURN_WITH_ERRCODE(errcode_ret, CL_INVALID_PLATFORM, NULL);
803 hidden_alias(clCreateContextFromType);
805 CL_API_ENTRY cl_int CL_API_CALL
806 clGetGLContextInfoKHR(const cl_context_properties * properties ,
807 cl_gl_context_info param_name ,
808 size_t param_value_size ,
810 size_t * param_value_size_ret ){
814 if( properties != NULL){
815 while( properties[i] != 0 ) {
816 if( properties[i] == CL_CONTEXT_PLATFORM ) {
817 if( (struct _cl_platform_id *) properties[i+1] == NULL ) {
818 RETURN(CL_INVALID_PLATFORM);
820 if( !CHECK_PLATFORM((cl_platform_id) properties[i+1]) ) {
821 RETURN(CL_INVALID_PLATFORM);
824 RETURN(((struct _cl_platform_id *) properties[i+1])
825 ->dispatch->clGetGLContextInfoKHR(properties, param_name,
826 param_value_size, param_value, param_value_size_ret));
831 RETURN(CL_INVALID_PLATFORM);
833 hidden_alias(clGetGLContextInfoKHR);
835 CL_API_ENTRY cl_int CL_API_CALL
836 clWaitForEvents(cl_uint num_events ,
837 const cl_event * event_list ){
839 if( num_events == 0 || event_list == NULL )
840 RETURN(CL_INVALID_VALUE);
841 if( (struct _cl_event *)event_list[0] == NULL )
842 RETURN(CL_INVALID_EVENT);
843 RETURN(((struct _cl_event *)event_list[0])
844 ->dispatch->clWaitForEvents(num_events, event_list));
846 hidden_alias(clWaitForEvents);
848 CL_API_ENTRY cl_int CL_API_CALL
849 clUnloadCompiler( void ){
853 hidden_alias(clUnloadCompiler);