Merge "Reduce number or blur passes" into rvc-dev

    // Downsample FBO to improve performance

    static constexpr float kFboScale = 0.25f;

    // Maximum number of render passes

    static constexpr uint32_t kMaxPasses = 6;

    static constexpr uint32_t kMaxPasses = 4;

    // To avoid downscaling artifacts, we interpolate the blurred fbo with the full composited

    // image, up to this radius.

    static constexpr float kMaxCrossFadeRadius = 30.0f;