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75 lines
2.8 KiB
75 lines
2.8 KiB
/// @ref gtc_color_space |
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/// @file glm/gtc/color_space.inl |
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namespace glm{ |
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namespace detail |
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{ |
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template <typename T, precision P, template <typename, precision> class vecType> |
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struct compute_rgbToSrgb |
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{ |
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GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & ColorRGB, T GammaCorrection) |
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{ |
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vecType<T, P> const ClampedColor(clamp(ColorRGB, static_cast<T>(0), static_cast<T>(1))); |
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return mix( |
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pow(ClampedColor, vecType<T, P>(GammaCorrection)) * static_cast<T>(1.055) - static_cast<T>(0.055), |
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ClampedColor * static_cast<T>(12.92), |
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lessThan(ClampedColor, vecType<T, P>(static_cast<T>(0.0031308)))); |
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} |
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}; |
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template <typename T, precision P> |
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struct compute_rgbToSrgb<T, P, tvec4> |
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{ |
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GLM_FUNC_QUALIFIER static tvec4<T, P> call(tvec4<T, P> const & ColorRGB, T GammaCorrection) |
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{ |
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return tvec4<T, P>(compute_rgbToSrgb<T, P, tvec3>::call(tvec3<T, P>(ColorRGB), GammaCorrection), ColorRGB.a); |
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} |
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}; |
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template <typename T, precision P, template <typename, precision> class vecType> |
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struct compute_srgbToRgb |
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{ |
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GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & ColorSRGB, T Gamma) |
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{ |
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return mix( |
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pow((ColorSRGB + static_cast<T>(0.055)) * static_cast<T>(0.94786729857819905213270142180095), vecType<T, P>(Gamma)), |
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ColorSRGB * static_cast<T>(0.07739938080495356037151702786378), |
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lessThanEqual(ColorSRGB, vecType<T, P>(static_cast<T>(0.04045)))); |
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} |
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}; |
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template <typename T, precision P> |
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struct compute_srgbToRgb<T, P, tvec4> |
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{ |
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GLM_FUNC_QUALIFIER static tvec4<T, P> call(tvec4<T, P> const & ColorSRGB, T Gamma) |
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{ |
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return tvec4<T, P>(compute_srgbToRgb<T, P, tvec3>::call(tvec3<T, P>(ColorSRGB), Gamma), ColorSRGB.a); |
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} |
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}; |
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}//namespace detail |
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template <typename T, precision P, template <typename, precision> class vecType> |
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GLM_FUNC_QUALIFIER vecType<T, P> convertLinearToSRGB(vecType<T, P> const & ColorLinear) |
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{ |
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return detail::compute_rgbToSrgb<T, P, vecType>::call(ColorLinear, static_cast<T>(0.41666)); |
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} |
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template <typename T, precision P, template <typename, precision> class vecType> |
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GLM_FUNC_QUALIFIER vecType<T, P> convertLinearToSRGB(vecType<T, P> const & ColorLinear, T Gamma) |
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{ |
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return detail::compute_rgbToSrgb<T, P, vecType>::call(ColorLinear, static_cast<T>(1) / Gamma); |
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} |
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template <typename T, precision P, template <typename, precision> class vecType> |
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GLM_FUNC_QUALIFIER vecType<T, P> convertSRGBToLinear(vecType<T, P> const & ColorSRGB) |
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{ |
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return detail::compute_srgbToRgb<T, P, vecType>::call(ColorSRGB, static_cast<T>(2.4)); |
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} |
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template <typename T, precision P, template <typename, precision> class vecType> |
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GLM_FUNC_QUALIFIER vecType<T, P> convertSRGBToLinear(vecType<T, P> const & ColorSRGB, T Gamma) |
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{ |
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return detail::compute_srgbToRgb<T, P, vecType>::call(ColorSRGB, Gamma); |
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} |
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}//namespace glm
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