blob: ce06eb4facc739be80872c304269567d17c9dd3f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/*
* 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 "cl_base_object.h"
#include "../backend/src/ocl_common_defines.h"
#include <stdint.h>
/* How to access images */
typedef struct _cl_sampler {
_cl_base_object base;
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;
} _cl_sampler;
#define CL_OBJECT_SAMPLER_MAGIC 0x686a0ecba79ce32fLL
#define CL_OBJECT_IS_SAMPLER(obj) ((obj && \
((cl_base_object)obj)->magic == CL_OBJECT_SAMPLER_MAGIC && \
CL_OBJECT_GET_REF(obj) >= 1))
/* Create a new sampler object */
extern cl_sampler cl_create_sampler(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__ */
|
