Method load

src/core/CL/OpenCL.cpp:92–234

}

bool CLSymbols::load(const std::vector<std::string> &libraries_filenames, bool use_loader)
{
    void        *handle = nullptr;
    unsigned int index  = 0;
    for (index = 0; index < libraries_filenames.size(); ++index)
    {
        handle = dlopen(libraries_filenames[index].c_str(), RTLD_LAZY | RTLD_LOCAL);
        if (handle != nullptr)
        {
            break;
        }
    }
    if (index == libraries_filenames.size())
    {
        // Set status of loading to failed
        _loaded.second = false;
        return false;
    }

#ifdef __ANDROID__
    typedef void *(*loadOpenCLPointer_t)(const char *name);
    loadOpenCLPointer_t loadOpenCLPointer;
    if (use_loader)
    {
        typedef void (*enableOpenCL_t)();
        enableOpenCL_t enableOpenCL = reinterpret_cast<enableOpenCL_t>(dlsym(handle, "enableOpenCL"));
        enableOpenCL();

        loadOpenCLPointer = reinterpret_cast<loadOpenCLPointer_t>(dlsym(handle, "loadOpenCLPointer"));
    }
    else
    {
        loadOpenCLPointer = nullptr;
    }
#define LOAD_FUNCTION_PTR(func_name, _handle)                                                            \
    func_name##_ptr = reinterpret_cast<decltype(func_name) *>(use_loader ? loadOpenCLPointer(#func_name) \
                                                                         : dlsym(handle, #func_name));
#else /* __ANDROID__ */
    (void)use_loader; // Avoid unused warning
#define LOAD_FUNCTION_PTR(func_name, handle) \
    func_name##_ptr = reinterpret_cast<decltype(func_name) *>(dlsym(handle, #func_name));
#endif /* __ANDROID__ */

#define LOAD_EXTENSION_FUNCTION_PTR(func_name, platform_id) \
    func_name##_ptr =                                       \
        reinterpret_cast<decltype(func_name) *>(clGetExtensionFunctionAddressForPlatform(platform_id, #func_name));

    LOAD_FUNCTION_PTR(clCreateContext, handle);
    LOAD_FUNCTION_PTR(clCreateContextFromType, handle);
    LOAD_FUNCTION_PTR(clCreateCommandQueue, handle);
    LOAD_FUNCTION_PTR(clCreateCommandQueueWithProperties, handle);
    LOAD_FUNCTION_PTR(clGetContextInfo, handle);
    LOAD_FUNCTION_PTR(clBuildProgram, handle);
    LOAD_FUNCTION_PTR(clEnqueueNDRangeKernel, handle);
    LOAD_FUNCTION_PTR(clSetKernelArg, handle);
    LOAD_FUNCTION_PTR(clReleaseKernel, handle);
    LOAD_FUNCTION_PTR(clCreateProgramWithSource, handle);
    LOAD_FUNCTION_PTR(clCreateBuffer, handle);