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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/>.
*
* Author: Benjamin Segovia <benjamin.segovia@intel.com>
*/
#ifndef __CL_SAMPLER_H__
#define __CL_SAMPLER_H__
#include "CL/cl.h"
#include "../backend/src/ocl_common_defines.h"
#include <stdint.h>
/* How to access images */
struct _cl_sampler {
DEFINE_ICD(dispatch)
uint64_t magic; /* To identify it as a sampler object */
volatile int ref_n; /* This object is reference counted */
cl_sampler prev, next; /* We chain the samplers in the allocator */
cl_context ctx; /* Context it belongs to */
cl_bool normalized_coords; /* Are coordinates normalized? */
cl_addressing_mode address;/* CLAMP / REPEAT and so on... */
cl_filter_mode filter; /* LINEAR / NEAREST mostly */
uint32_t clkSamplerValue;
};
/* Create a new sampler object */
extern cl_sampler cl_sampler_new(cl_context,
cl_bool,
cl_addressing_mode,
cl_filter_mode,
cl_int *err);
/* Unref the object and delete it if no more reference on it */
extern void cl_sampler_delete(cl_sampler);
/* Add one more reference to this object */
extern void cl_sampler_add_ref(cl_sampler);
/* set a sampler kernel argument */
int cl_set_sampler_arg_slot(cl_kernel k, int index, cl_sampler sampler);
#endif /* __CL_SAMPLER_H__ */
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