sampler_impl.hpp

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//==----------------- sampler_impl.hpp - SYCL standard header file ---------==//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
 
#pragma once
 
#include <CL/__spirv/spirv_types.hpp>
#include <sycl/context.hpp>
#include <sycl/detail/export.hpp>
#include <sycl/detail/ur.hpp>
#include <sycl/property_list.hpp>
 
#include <mutex>
#include <unordered_map>
 
namespace sycl {
inline namespace _V1 {
 
enum class addressing_mode : unsigned int;
enum class filtering_mode : unsigned int;
enum class coordinate_normalization_mode : unsigned int;
 
namespace detail {
class sampler_impl {
public:
  sampler_impl(coordinate_normalization_mode normalizationMode,
               addressing_mode addressingMode, filtering_mode filteringMode,
               const property_list &propList);
 
  sampler_impl(cl_sampler clSampler, const context &syclContext);
 
  addressing_mode get_addressing_mode() const;
 
  filtering_mode get_filtering_mode() const;
 
  coordinate_normalization_mode get_coordinate_normalization_mode() const;
 
  ur_sampler_handle_t getOrCreateSampler(const context &Context);
 
  ~sampler_impl();
 
  const property_list &getPropList() const { return MPropList; }
 
private:
  std::mutex MMutex;
 
  std::unordered_map<context, ur_sampler_handle_t> MContextToSampler;
 
  coordinate_normalization_mode MCoordNormMode;
  addressing_mode MAddrMode;
  filtering_mode MFiltMode;
  property_list MPropList;
};
 
} // namespace detail
} // namespace _V1
} // namespace sycl