SkyAtmosphereLuts.h

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#pragma once
#include <array>
#include <vector>
#include "common/Export.h"
#include "common/Result.h"
namespace eve::graphics {
struct SkyAtmosphereParameters;
namespace detail {
struct SkyAtmosphereLuts {
    static constexpr unsigned TransmittanceWidth = 256, TransmittanceHeight = 64, MultiWidth = 32, MultiHeight = 32;
    std::vector<float> transmittance, multiScattering;
};
[[nodiscard]] EVENGINE_API_BACKENDS Result<SkyAtmosphereLuts> bakeSkyAtmosphereLuts(
    const SkyAtmosphereParameters& parameters);
[[nodiscard]] EVENGINE_API_BACKENDS Result<std::array<float, 3>> bakeDistantSkyAmbient(
    const SkyAtmosphereParameters& parameters, const SkyAtmosphereLuts& tables,
    const std::array<float, 3>& lightDirection);
}  // namespace detail
}  // namespace eve::graphics