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/*
* Copyright © 2012 Intel Corporation
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdlib.h>
#include <string.h>
#include "CL/cl.h"
#include "CL/cl_ext.h"
#include "cl_platform_id.h"
#include "cl_extension.h"
#include "cl_internals.h"
#include "cl_alloc.h"
#include "cl_mutex.h"
#define _STR(x) #x
#define _JOINT(x, y) _STR(x) "." _STR(y)
#define _JOINT3(x, y, z) _STR(x) "." _STR(y) "." _STR(z)
#define LIBCL_VERSION_STRING "OpenCL " _JOINT(1, 2) " beignet "
#define DECL_FIELD(CASE,FIELD) \
case JOIN(CL_,CASE): \
if (param_value_size < platform->JOIN(FIELD,_sz)) \
return CL_INVALID_VALUE; \
if (param_value_size_ret != NULL) \
*param_value_size_ret = platform->JOIN(FIELD,_sz); \
memcpy(param_value, \
platform->FIELD, \
platform->JOIN(FIELD,_sz)); \
return CL_SUCCESS;
#define GET_FIELD_SZ(CASE,FIELD) \
case JOIN(CL_,CASE): \
if (param_value_size_ret != NULL) \
*param_value_size_ret = platform->JOIN(FIELD,_sz); \
return CL_SUCCESS;
cl_int cl_get_platform_info(cl_platform_id platform, cl_platform_info param_name,
size_t param_value_size, void *param_value, size_t *param_value_size_ret)
{
if (param_value == NULL) {
switch (param_name) {
GET_FIELD_SZ(PLATFORM_PROFILE, profile);
GET_FIELD_SZ(PLATFORM_VERSION, version);
GET_FIELD_SZ(PLATFORM_NAME, name);
GET_FIELD_SZ(PLATFORM_VENDOR, vendor);
GET_FIELD_SZ(PLATFORM_EXTENSIONS, extensions);
GET_FIELD_SZ(PLATFORM_ICD_SUFFIX_KHR, icd_suffix_khr);
default:
return CL_INVALID_VALUE;
}
}
/* Fetch the platform inform */
switch (param_name) {
DECL_FIELD(PLATFORM_PROFILE, profile);
DECL_FIELD(PLATFORM_VERSION, version);
DECL_FIELD(PLATFORM_NAME, name);
DECL_FIELD(PLATFORM_VENDOR, vendor);
DECL_FIELD(PLATFORM_EXTENSIONS, extensions);
DECL_FIELD(PLATFORM_ICD_SUFFIX_KHR, icd_suffix_khr);
default:
return CL_INVALID_VALUE;
}
}
#undef DECL_FIELD
#undef GET_FIELD_SZ
#define DECL_INFO_STRING(FIELD, STRING) \
.FIELD = STRING, \
.FIELD##_sz = sizeof(STRING),
/* This extension should be common for all the intel platform.
Every device may have its own additional externsions. */
static _cl_extensions intel_platform_extensions = {
{
#define DECL_EXT(name) \
{(struct cl_extension_base){.ext_id = cl_##name##_ext_id, .ext_name = "cl_" #name, .ext_enabled = 0}},
DECL_ALL_EXTENSIONS
},
#undef DECL_EXT
};
static _cl_platform_id intel_platform = {
.magic = CL_MAGIC_PLATFORM_HEADER,
DECL_INFO_STRING(profile, "FULL_PROFILE")
DECL_INFO_STRING(version, LIBCL_VERSION_STRING)
DECL_INFO_STRING(name, "Intel Platform OCL Implementation")
DECL_INFO_STRING(vendor, "Intel")
DECL_INFO_STRING(icd_suffix_khr, "Intel")
.all_extensions = &intel_platform_extensions,
};
#undef DECL_INFO_STRING
void static cl_init_platform(void)
{
static int inited = 0;
if (!inited) {
CL_ALLOC_DEBUG_INIT();
CL_MUTEX_DEBUG_INIT();
cl_platform_extension_init(intel_platform.all_extensions,
intel_platform.extensions, CL_MAX_EXTENSION_LENGTH);
intel_platform.extensions_sz = strlen(intel_platform.extensions);
inited = 1;
}
}
/**************************************************************************************
************************* CL APIs ********************************
**************************************************************************************/
cl_int
clGetPlatformIDs(cl_uint num_entries,
cl_platform_id * platforms,
cl_uint * num_platforms)
{
if(UNLIKELY(platforms == NULL && num_platforms == NULL))
return CL_INVALID_VALUE;
if(UNLIKELY(num_entries == 0 && platforms != NULL))
return CL_INVALID_VALUE;
cl_init_platform();
if (platforms)
*platforms = &intel_platform;
if (num_platforms)
*num_platforms = 1;
return CL_SUCCESS;
}
cl_int
clGetPlatformInfo(cl_platform_id platform,
cl_platform_info param_name,
size_t param_value_size,
void * param_value,
size_t * param_value_size_ret)
{
cl_int err = CL_SUCCESS;
CHECK_PLATFORM(platform);
err = cl_get_platform_info(platform, param_name, param_value_size,
param_value, param_value_size_ret);
error:
return err;
}
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