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

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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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• src/libANGLE/CLImage.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.
  //
  // CLImage.cpp: Implements the cl::Image class.
  
  #include "libANGLE/CLImage.h"
  
  #include "libANGLE/cl_utils.h"
  
  #include <cstring>
  
  namespace cl
  {
  
  cl_int Image::getInfo(ImageInfo name, size_t valueSize, void *value, size_t *valueSizeRet) const
  {
      size_t valSizeT       = 0u;
      void *valPointer      = nullptr;
      const void *copyValue = nullptr;
      size_t copySize       = 0u;
  
      switch (name)
      {
          case ImageInfo::Format:
              copyValue = &mFormat;
              copySize  = sizeof(mFormat);
              break;
          case ImageInfo::ElementSize:
              valSizeT  = GetElementSize(mFormat);
              copyValue = &valSizeT;
              copySize  = sizeof(valSizeT);
              break;
          case ImageInfo::RowPitch:
              copyValue = &mDesc.rowPitch;
              copySize  = sizeof(mDesc.rowPitch);
              break;
          case ImageInfo::SlicePitch:
              copyValue = &mDesc.slicePitch;
              copySize  = sizeof(mDesc.slicePitch);
              break;
          case ImageInfo::Width:
              copyValue = &mDesc.width;
              copySize  = sizeof(mDesc.width);
              break;
          case ImageInfo::Height:
              copyValue = &mDesc.height;
              copySize  = sizeof(mDesc.height);
              break;
          case ImageInfo::Depth:
              copyValue = &mDesc.depth;
              copySize  = sizeof(mDesc.depth);
              break;
          case ImageInfo::ArraySize:
              copyValue = &mDesc.arraySize;
              copySize  = sizeof(mDesc.arraySize);
              break;
          case ImageInfo::Buffer:
              valPointer = Memory::CastNative(mParent.get());
              copyValue  = &valPointer;
              copySize   = sizeof(valPointer);
              break;
          case ImageInfo::NumMipLevels:
              copyValue = &mDesc.numMipLevels;
              copySize  = sizeof(mDesc.numMipLevels);
              break;
          case ImageInfo::NumSamples:
              copyValue = &mDesc.numSamples;
              copySize  = sizeof(mDesc.numSamples);
              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 Image 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;
  }
  
  bool Image::IsTypeValid(MemObjectType imageType)
  {
      switch (imageType)
      {
          case MemObjectType::Image1D:
          case MemObjectType::Image2D:
          case MemObjectType::Image3D:
          case MemObjectType::Image1D_Array:
          case MemObjectType::Image2D_Array:
          case MemObjectType::Image1D_Buffer:
              break;
          default:
              return false;
      }
      return true;
  }
  
  Image::~Image() = default;
  
  bool Image::isRegionValid(const size_t origin[3], const size_t region[3]) const
  {
      switch (getType())
      {
          case MemObjectType::Image1D:
          case MemObjectType::Image1D_Buffer:
              return origin[0] + region[0] <= mDesc.width;
          case MemObjectType::Image2D:
              return origin[0] + region[0] <= mDesc.width && origin[1] + region[1] <= mDesc.height;
          case MemObjectType::Image3D:
              return origin[0] + region[0] <= mDesc.width && origin[1] + region[1] <= mDesc.height &&
                     origin[2] + region[2] <= mDesc.depth;
          case MemObjectType::Image1D_Array:
              return origin[0] + region[0] <= mDesc.width && origin[1] + region[1] <= mDesc.arraySize;
          case MemObjectType::Image2D_Array:
              return origin[0] + region[0] <= mDesc.width && origin[1] + region[1] <= mDesc.height &&
                     origin[2] + region[2] <= mDesc.arraySize;
          default:
              ASSERT(false);
              break;
      }
      return false;
  }
  
  Image::Image(Context &context,
               PropArray &&properties,
               MemFlags flags,
               const cl_image_format &format,
               const ImageDescriptor &desc,
               Memory *parent,
               void *hostPtr,
               cl_int &errorCode)
      : Memory(*this,
               context,
               std::move(properties),
               flags,
               format,
               desc,
               parent,
               hostPtr,
               errorCode),
        mFormat(format),
        mDesc(desc)
  {}
  
  }  // namespace cl
  

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