kc3-lang/angle/include/angle_cl.h

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• Hash : 2c8d9a9a
  Author :
  Date : 2021-06-09T16:09:35
  

  CL: Remaining functions for OpenCL 1.2
  
  Add support for the remaining functions for OpenCL 1.2 for the
  front end and pass-through back end.
  Also fix several bugs discovered by the conformance tests.
  
  Bug: angleproject:6015
  Change-Id: I1dca1c3f4c1d9aea7f0501094c171116ea01381f
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2954259
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Commit-Queue: John Plate <jplate@google.com>
  

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• include/angle_cl.h

• //
  // Copyright 2021 The ANGLE Project Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  //
  // angle_cl.h: Includes all necessary CL headers and definitions for ANGLE.
  
  #ifndef ANGLECL_H_
  #define ANGLECL_H_
  
  #define CL_TARGET_OPENCL_VERSION 300
  #define CL_USE_DEPRECATED_OPENCL_1_0_APIS
  #define CL_USE_DEPRECATED_OPENCL_1_1_APIS
  #define CL_USE_DEPRECATED_OPENCL_1_2_APIS
  #define CL_USE_DEPRECATED_OPENCL_2_0_APIS
  #define CL_USE_DEPRECATED_OPENCL_2_1_APIS
  #define CL_USE_DEPRECATED_OPENCL_2_2_APIS
  
  #include "CL/cl_icd.h"
  
  #include <cstddef>
  #include <type_traits>
  
  namespace cl
  {
  
  using ContextErrorCB = void(CL_CALLBACK *)(const char *errinfo,
                                             const void *private_info,
                                             size_t cb,
                                             void *user_data);
  
  using MemoryCB  = void(CL_CALLBACK *)(cl_mem memobj, void *user_data);
  using ProgramCB = void(CL_CALLBACK *)(cl_program program, void *user_data);
  using EventCB   = void(CL_CALLBACK *)(cl_event event, cl_int event_command_status, void *user_data);
  using UserFunc  = void(CL_CALLBACK *)(void *args);
  
  template <typename T = void>
  struct Dispatch
  {
      Dispatch() : mDispatch(sDispatch) {}
  
      const cl_icd_dispatch &getDispatch() const { return *mDispatch; }
  
      bool isValid() const { return mDispatch == sDispatch; }
  
      static bool IsValid(const Dispatch *p) { return p != nullptr && p->isValid(); }
  
      static const cl_icd_dispatch *sDispatch;
  
    protected:
      // This has to be the first member to be OpenCL ICD compatible
      const cl_icd_dispatch *const mDispatch;
  };
  
  template <typename T>
  const cl_icd_dispatch *Dispatch<T>::sDispatch = nullptr;
  
  template <typename NativeObjectType>
  struct NativeObject : public Dispatch<>
  {
      NativeObject()
      {
          static_assert(std::is_standard_layout<NativeObjectType>::value &&
                            offsetof(NativeObjectType, mDispatch) == 0u,
                        "Not ICD compatible");
      }
  
      template <typename T>
      T &cast()
      {
          return static_cast<T &>(*this);
      }
  
      template <typename T>
      const T &cast() const
      {
          return static_cast<const T &>(*this);
      }
  
      NativeObjectType *getNative() { return static_cast<NativeObjectType *>(this); }
  
      const NativeObjectType *getNative() const
      {
          return static_cast<const NativeObjectType *>(this);
      }
  
      static NativeObjectType *CastNative(NativeObjectType *p) { return p; }
  };
  
  }  // namespace cl
  
  struct _cl_platform_id : public cl::NativeObject<_cl_platform_id>
  {};
  
  struct _cl_device_id : public cl::NativeObject<_cl_device_id>
  {};
  
  struct _cl_context : public cl::NativeObject<_cl_context>
  {};
  
  struct _cl_command_queue : public cl::NativeObject<_cl_command_queue>
  {};
  
  struct _cl_mem : public cl::NativeObject<_cl_mem>
  {};
  
  struct _cl_program : public cl::NativeObject<_cl_program>
  {};
  
  struct _cl_kernel : public cl::NativeObject<_cl_kernel>
  {};
  
  struct _cl_event : public cl::NativeObject<_cl_event>
  {};
  
  struct _cl_sampler : public cl::NativeObject<_cl_sampler>
  {};
  
  #endif  // ANGLECL_H_
  

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