kc3-lang/angle/src/libANGLE/CLSampler.cpp

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• Hash : daf18594
  Author :
  Date : 2021-05-31T12:04:42
  

  CL: Refactor front end entry functions
  
  Move all front end functions that are only called from the OpenCL
  entry points to a separate section at the top of the front end
  object class bodies, which improves readability.
  
  Bug: angleproject:6001
  Change-Id: Id360adbf0c439e4068c379aa4ea1da25e99f7b53
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2928419
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  

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• src/libANGLE/CLSampler.cpp

• //
  // 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.
  //
  // CLSampler.cpp: Implements the cl::Sampler class.
  
  #include "libANGLE/CLSampler.h"
  
  #include "libANGLE/CLContext.h"
  
  #include <cstring>
  
  namespace cl
  {
  
  cl_int Sampler::getInfo(SamplerInfo name, size_t valueSize, void *value, size_t *valueSizeRet) const
  {
      static_assert(std::is_same<cl_uint, cl_addressing_mode>::value &&
                        std::is_same<cl_uint, cl_filter_mode>::value,
                    "OpenCL type mismatch");
  
      cl_uint valUInt       = 0u;
      void *valPointer      = nullptr;
      const void *copyValue = nullptr;
      size_t copySize       = 0u;
  
      switch (name)
      {
          case SamplerInfo::ReferenceCount:
              valUInt   = getRefCount();
              copyValue = &valUInt;
              copySize  = sizeof(valUInt);
              break;
          case SamplerInfo::Context:
              valPointer = mContext->getNative();
              copyValue  = &valPointer;
              copySize   = sizeof(valPointer);
              break;
          case SamplerInfo::NormalizedCoords:
              copyValue = &mNormalizedCoords;
              copySize  = sizeof(mNormalizedCoords);
              break;
          case SamplerInfo::AddressingMode:
              valUInt   = ToCLenum(mAddressingMode);
              copyValue = &valUInt;
              copySize  = sizeof(valUInt);
              break;
          case SamplerInfo::FilterMode:
              valUInt   = ToCLenum(mFilterMode);
              copyValue = &valUInt;
              copySize  = sizeof(valUInt);
              break;
          case SamplerInfo::Properties:
              copyValue = mProperties.data();
              copySize  = mProperties.size() * sizeof(decltype(mProperties)::value_type);
              break;
          default:
              return CL_INVALID_VALUE;
      }
  
      if (value != nullptr)
      {
          // CL_INVALID_VALUE if size in bytes specified by param_value_size is < size of return type
          // as described in the Sampler Object Queries table and param_value is not NULL.
          if (valueSize < copySize)
          {
              return CL_INVALID_VALUE;
          }
          if (copyValue != nullptr)
          {
              std::memcpy(value, copyValue, copySize);
          }
      }
      if (valueSizeRet != nullptr)
      {
          *valueSizeRet = copySize;
      }
      return CL_SUCCESS;
  }
  
  Sampler::~Sampler() = default;
  
  Sampler::Sampler(Context &context,
                   PropArray &&properties,
                   cl_bool normalizedCoords,
                   AddressingMode addressingMode,
                   FilterMode filterMode,
                   cl_int &errorCode)
      : mContext(&context),
        mProperties(std::move(properties)),
        mNormalizedCoords(normalizedCoords),
        mAddressingMode(addressingMode),
        mFilterMode(filterMode),
        mImpl(context.getImpl().createSampler(*this, errorCode))
  {}
  
  }  // namespace cl
  

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