Function main

tests/dss_renderer_test.cpp:30–58

} // namespace

int main()
{
    DssRenderer renderer;
    QVector<float> bins(DssRenderer::kCols, -100.0f);
    bins[DssRenderer::kCols / 2] = -40.0f;
    renderer.pushRow(bins);

    const int beforeCount = renderer.rowCount();
    const quint64 beforeGeneration = renderer.rowGeneration();
    renderer.reprojectFrequencyFrame(
        14.0, 1.0,
        14.25, 1.0,
        -200.0f);

    if (renderer.rowCount() != beforeCount) {
        return fail("frequency reprojection must preserve DSS history rows");
    }
    if (renderer.rowGeneration() <= beforeGeneration) {
        return fail("frequency reprojection must mark rows changed for GPU upload");
    }

    const int expectedBin = DssRenderer::kCols / 4;
    const int actualBin = strongestBin(renderer);
    if (std::abs(actualBin - expectedBin) > 3) {
        return fail("frequency reprojection should shift history into the new viewport");
    }

    return 0;
}