kc3-lang/angle/src/libANGLE/CLContext.h

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• Hash : ed7c31c7
  Author :
  Date : 2023-11-29T18:31:43
  

  OpenCL: Replace error-passing APIs to use angle::Result
  
  Part 2 of Issue 8435:
  This part replaces existing error handling for all CL APIs that
  return CL objects to now use "angle::Result".
  
  Bug: angleproject:8435
  Change-Id: I75e41c7cbb06220cabec7cc9f9cb5107a3b6bd6d
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5075773
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/CLContext.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.
  //
  // CLContext.h: Defines the cl::Context class, which manages OpenCL objects such as command-queues,
  // memory, program and kernel objects and for executing kernels on one or more devices.
  
  #ifndef LIBANGLE_CLCONTEXT_H_
  #define LIBANGLE_CLCONTEXT_H_
  
  #include "libANGLE/CLDevice.h"
  #include "libANGLE/CLPlatform.h"
  #include "libANGLE/renderer/CLContextImpl.h"
  
  namespace cl
  {
  
  class Context final : public _cl_context, public Object
  {
    public:
      // Front end entry functions, only called from OpenCL entry points
  
      static bool IsValidAndVersionOrNewer(const _cl_context *context, cl_uint major, cl_uint minor);
  
      angle::Result getInfo(ContextInfo name,
                            size_t valueSize,
                            void *value,
                            size_t *valueSizeRet) const;
  
      cl_command_queue createCommandQueueWithProperties(cl_device_id device,
                                                        const cl_queue_properties *properties);
  
      cl_command_queue createCommandQueue(cl_device_id device, CommandQueueProperties properties);
  
      cl_mem createBuffer(const cl_mem_properties *properties,
                          MemFlags flags,
                          size_t size,
                          void *hostPtr);
  
      cl_mem createImage(const cl_mem_properties *properties,
                         MemFlags flags,
                         const cl_image_format *format,
                         const cl_image_desc *desc,
                         void *hostPtr);
  
      cl_mem createImage2D(MemFlags flags,
                           const cl_image_format *format,
                           size_t width,
                           size_t height,
                           size_t rowPitch,
                           void *hostPtr);
  
      cl_mem createImage3D(MemFlags flags,
                           const cl_image_format *format,
                           size_t width,
                           size_t height,
                           size_t depth,
                           size_t rowPitch,
                           size_t slicePitch,
                           void *hostPtr);
  
      angle::Result getSupportedImageFormats(MemFlags flags,
                                             MemObjectType imageType,
                                             cl_uint numEntries,
                                             cl_image_format *imageFormats,
                                             cl_uint *numImageFormats);
  
      cl_sampler createSamplerWithProperties(const cl_sampler_properties *properties);
  
      cl_sampler createSampler(cl_bool normalizedCoords,
                               AddressingMode addressingMode,
                               FilterMode filterMode);
  
      cl_program createProgramWithSource(cl_uint count, const char **strings, const size_t *lengths);
  
      cl_program createProgramWithIL(const void *il, size_t length);
  
      cl_program createProgramWithBinary(cl_uint numDevices,
                                         const cl_device_id *devices,
                                         const size_t *lengths,
                                         const unsigned char **binaries,
                                         cl_int *binaryStatus);
  
      cl_program createProgramWithBuiltInKernels(cl_uint numDevices,
                                                 const cl_device_id *devices,
                                                 const char *kernelNames);
  
      cl_program linkProgram(cl_uint numDevices,
                             const cl_device_id *deviceList,
                             const char *options,
                             cl_uint numInputPrograms,
                             const cl_program *inputPrograms,
                             ProgramCB pfnNotify,
                             void *userData);
  
      cl_event createUserEvent();
  
      angle::Result waitForEvents(cl_uint numEvents, const cl_event *eventList);
  
    public:
      using PropArray = std::vector<cl_context_properties>;
  
      ~Context() override;
  
      const Platform &getPlatform() const noexcept;
      const DevicePtrs &getDevices() const;
      bool hasDevice(const _cl_device_id *device) const;
  
      template <typename T = rx::CLContextImpl>
      T &getImpl() const;
  
      bool supportsImages() const;
      bool supportsIL() const;
      bool supportsBuiltInKernel(const std::string &name) const;
  
      static void CL_CALLBACK ErrorCallback(const char *errinfo,
                                            const void *privateInfo,
                                            size_t cb,
                                            void *userData);
  
    private:
      Context(Platform &platform,
              PropArray &&properties,
              DevicePtrs &&devices,
              ContextErrorCB notify,
              void *userData,
              bool userSync);
  
      Context(Platform &platform,
              PropArray &&properties,
              DeviceType deviceType,
              ContextErrorCB notify,
              void *userData,
              bool userSync);
  
      Platform &mPlatform;
      const PropArray mProperties;
      const ContextErrorCB mNotify;
      void *const mUserData;
      rx::CLContextImpl::Ptr mImpl;
      DevicePtrs mDevices;
  
      friend class Object;
  };
  
  inline bool Context::IsValidAndVersionOrNewer(const _cl_context *context,
                                                cl_uint major,
                                                cl_uint minor)
  {
      return IsValid(context) &&
             context->cast<Context>().getPlatform().isVersionOrNewer(major, minor);
  }
  
  inline const Platform &Context::getPlatform() const noexcept
  {
      return mPlatform;
  }
  
  inline const DevicePtrs &Context::getDevices() const
  {
      return mDevices;
  }
  
  inline bool Context::hasDevice(const _cl_device_id *device) const
  {
      return std::find(mDevices.cbegin(), mDevices.cend(), device) != mDevices.cend();
  }
  
  template <typename T>
  inline T &Context::getImpl() const
  {
      return static_cast<T &>(*mImpl);
  }
  
  inline bool Context::supportsImages() const
  {
      return (std::find_if(mDevices.cbegin(), mDevices.cend(), [](const DevicePtr &ptr) {
                  return ptr->getInfo().imageSupport == CL_TRUE;
              }) != mDevices.cend());
  }
  
  inline bool Context::supportsIL() const
  {
      return (std::find_if(mDevices.cbegin(), mDevices.cend(), [](const DevicePtr &ptr) {
                  return !ptr->getInfo().IL_Version.empty();
              }) != mDevices.cend());
  }
  
  inline bool Context::supportsBuiltInKernel(const std::string &name) const
  {
      return (std::find_if(mDevices.cbegin(), mDevices.cend(), [&](const DevicePtr &ptr) {
                  return ptr->supportsBuiltInKernel(name);
              }) != mDevices.cend());
  }
  
  }  // namespace cl
  
  #endif  // LIBANGLE_CLCONTEXT_H_
  

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