C++ (Cpp) Buffer::has_device_allocation примеры использования

Пример #1

Файл: op_halide.cpp Проект: Aspie96/opencv

HalideBackendWrapper::HalideBackendWrapper(const Ptr<BackendWrapper>& base,
                                           const MatShape& shape)
    : BackendWrapper(DNN_BACKEND_HALIDE, base->targetId)
{
    managesDevMemory = false;
    Halide::Buffer<float> baseBuffer = halideBuffer(base);
    buffer = Halide::Buffer<float>((float*)baseBuffer.raw_buffer()->host,
                                   getBufferShape(shape));
    if (baseBuffer.has_device_allocation())
    {
        buffer.raw_buffer()->device = baseBuffer.raw_buffer()->device;
        buffer.raw_buffer()->device_interface = baseBuffer.raw_buffer()->device_interface;
        buffer.set_device_dirty();
    }
    else
    {
        buffer.set_host_dirty();  // Indicate that data is on CPU.
        CV_Assert(targetId == DNN_TARGET_CPU);
    }
}

Пример #2

Файл: op_halide.cpp Проект: lenlen/opencv_contrib

HalideBackendWrapper::HalideBackendWrapper(const Ptr<BackendWrapper>& base,
                                           const MatShape& shape)
    : BackendWrapper(DNN_BACKEND_HALIDE, base->targetId)
{
    int w, h, c, n;
    getCanonicalSize(shape, &w, &h, &c, &n);
    Halide::Buffer<float> baseBuffer = halideBuffer(base);
    buffer = Halide::Buffer<float>((float*)baseBuffer.raw_buffer()->host,
                                   {w, h, c, n});
    if (baseBuffer.has_device_allocation())
    {
        buffer.raw_buffer()->device = baseBuffer.raw_buffer()->device;
        buffer.raw_buffer()->device_interface = baseBuffer.raw_buffer()->device_interface;
        buffer.set_device_dirty();
    }
    else
    {
        buffer.set_host_dirty();  // Indicate that data is on CPU.
        CV_Assert(targetId == DNN_TARGET_CPU);
    }
}