Method Image2D

include/CL/opencl.hpp:4791–4851

! \brief Constructs a 2D Image in a specified context. * * Wraps clCreateImage(). */

     *  Wraps clCreateImage().
     */
    Image2D(
        const Context& context,
        cl_mem_flags flags,
        ImageFormat format,
        size_type width,
        size_type height,
        size_type row_pitch = 0,
        void* host_ptr = nullptr,
        cl_int* err = nullptr)
    {
        cl_int error;
        bool useCreateImage;

#if CL_HPP_TARGET_OPENCL_VERSION >= 120 && CL_HPP_MINIMUM_OPENCL_VERSION < 120
        // Run-time decision based on the actual platform
        {
            cl_uint version = detail::getContextPlatformVersion(context());
            useCreateImage = (version >= 0x10002); // OpenCL 1.2 or above
        }
#elif CL_HPP_TARGET_OPENCL_VERSION >= 120
        useCreateImage = true;
#else
        useCreateImage = false;
#endif

#if CL_HPP_TARGET_OPENCL_VERSION >= 120
        if (useCreateImage)
        {
            cl_image_desc desc = {};
            desc.image_type = CL_MEM_OBJECT_IMAGE2D;
            desc.image_width = width;
            desc.image_height = height;
            desc.image_row_pitch = row_pitch;

            object_ = ::clCreateImage(
                context(),
                flags,
                &format,
                &desc,
                host_ptr,
                &error);

            detail::errHandler(error, __CREATE_IMAGE_ERR);
            if (err != nullptr) {
                *err = error;
            }
        }
#endif // CL_HPP_TARGET_OPENCL_VERSION >= 120
#if CL_HPP_MINIMUM_OPENCL_VERSION < 120
        if (!useCreateImage)
        {
            object_ = ::clCreateImage2D(
                context(), flags,&format, width, height, row_pitch, host_ptr, &error);

            detail::errHandler(error, __CREATE_IMAGE2D_ERR);
            if (err != nullptr) {
                *err = error;
            }