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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 "cl_sampler.h"
#include "cl_context.h"
#include "cl_device_id.h"
cl_sampler
clCreateSampler(cl_context context,
cl_bool normalized,
cl_addressing_mode addressing,
cl_filter_mode filter,
cl_int *errcode_ret)
{
cl_sampler sampler = NULL;
cl_int err = CL_SUCCESS;
cl_uint i;
do {
if (!CL_OBJECT_IS_CONTEXT(context)) {
err = CL_INVALID_CONTEXT;
break;
}
if (addressing < CL_ADDRESS_NONE || addressing > CL_ADDRESS_MIRRORED_REPEAT) {
err = CL_INVALID_VALUE;
break;
}
if (filter < CL_FILTER_NEAREST || filter > CL_FILTER_LINEAR) {
err = CL_INVALID_VALUE;
break;
}
/* Check if images are not supported by any device associated with context */
for (i = 0; i < context->device_num; i++) {
if (context->devices[i]->image_support == CL_FALSE) {
err = CL_INVALID_OPERATION;
break;
}
}
if (err != CL_SUCCESS)
break;
sampler = cl_create_sampler(context, normalized, addressing, filter, &err);
} while (0);
if (errcode_ret)
*errcode_ret = err;
return sampler;
}
cl_int
clGetSamplerInfo(cl_sampler sampler,
cl_sampler_info param_name,
size_t param_value_size,
void *param_value,
size_t *param_value_size_ret)
{
const void *src_ptr = NULL;
size_t src_size = 0;
cl_int ref;
if (!CL_OBJECT_IS_SAMPLER(sampler)) {
return CL_INVALID_SAMPLER;
}
if (param_name == CL_SAMPLER_REFERENCE_COUNT) {
ref = CL_OBJECT_GET_REF(sampler);
src_ptr = &ref;
src_size = sizeof(cl_int);
} else if (param_name == CL_SAMPLER_CONTEXT) {
src_ptr = &sampler->ctx;
src_size = sizeof(cl_context);
} else if (param_name == CL_SAMPLER_NORMALIZED_COORDS) {
src_ptr = &sampler->normalized_coords;
src_size = sizeof(cl_bool);
} else if (param_name == CL_SAMPLER_ADDRESSING_MODE) {
src_ptr = &sampler->address;
src_size = sizeof(cl_addressing_mode);
} else if (param_name == CL_SAMPLER_FILTER_MODE) {
src_ptr = &sampler->filter;
src_size = sizeof(cl_filter_mode);
} else {
return CL_INVALID_VALUE;
}
return cl_get_info_helper(src_ptr, src_size,
param_value, param_value_size, param_value_size_ret);
}
cl_int
clRetainSampler(cl_sampler sampler)
{
if (!CL_OBJECT_IS_SAMPLER(sampler)) {
return CL_INVALID_SAMPLER;
}
cl_sampler_add_ref(sampler);
return CL_SUCCESS;
}
cl_int
clReleaseSampler(cl_sampler sampler)
{
if (!CL_OBJECT_IS_SAMPLER(sampler)) {
return CL_INVALID_SAMPLER;
}
cl_sampler_delete(sampler);
return CL_SUCCESS;
}
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