xref: /aosp_15_r20/external/intel-media-driver/media_driver/agnostic/common/cm/cm_sampler.h (revision ba62d9d3abf0e404f2022b4cd7a85e107f48596f)
1 /*
2 * Copyright (c) 2017, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file      cm_sampler.h
24 //! \brief     Contains CmSampler declarations.
25 //!
26 
27 #ifndef MEDIADRIVER_AGNOSTIC_COMMON_CM_CMSAMPLER_H_
28 #define MEDIADRIVER_AGNOSTIC_COMMON_CM_CMSAMPLER_H_
29 
30 #include "cm_def.h"
31 
32 namespace CMRT_UMD
33 {
34 //!
35 //!
36 //! \brief      Abstraction of 3D sampler intrinsics.
37 //! \details    A CmSampler object is used to specify sampling operations to be
38 //!             performed by the 3D sampler kernel intrinsics.
39 //!
40 class CmSampler
41 {
42 public:
43     //!
44     //! \brief      Retrieves pointer to the SamplerIndex associated with this
45     //!             CmSampler.
46     //! \details    Each CmSampler is associated with a SamplerIndex containing a
47     //!             unique value to which the CmSampler is mapped to.
48     //!             CmDevice keeps the mapping between index value and CmSampler.
49     //!             SamplerIndex is passed to CM kernel function as an argument to
50     //!             indicate this CmSampler.
51     //! \param      [out] index
52     //!             Reference to SamplerIndex pointer. It'll point to the
53     //!             SamplerIndex associated with this CmSampler.
54     //! \retval     CM_SUCCESS.
55     //!
56     CM_RT_API virtual int32_t GetIndex(SamplerIndex* &index) = 0;
57 };
58 };//namespace
59 
60 #endif  // #ifndef MEDIADRIVER_AGNOSTIC_COMMON_CM_CMSAMPLER_H_
61