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Added GTC_color documentation

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This commit is contained in:
Christophe Riccio 2015-02-11 00:14:17 +01:00
parent 40d0bc2e85
commit 3ea110b44d
2 changed files with 8 additions and 4 deletions
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4
glm/gtc/color.hpp
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@ -59,15 +59,19 @@ namespace glm
/// @addtogroup gtc_color
/// @{
/// Convert a RGB color to sRGB color using a standard gamma correction
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> rgbToSrgb(vecType<T, P> const & ColorRGB);
/// Convert a RGB color to sRGB color using a custom gamma correction
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> rgbToSrgb(vecType<T, P> const & ColorRGB, T Gamma);
/// Convert a sRGB color to RGB color using a standard gamma correction
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> srgbToRgb(vecType<T, P> const & ColorSRGB);
/// Convert a sRGB color to RGB color using a custom gamma correction
template <typename T, precision P, template <typename, precision> class vecType>
GLM_FUNC_DECL vecType<T, P> srgbToRgb(vecType<T, P> const & ColorSRGB, T Gamma);

8
glm/gtc/color.inl
View file

@ -36,12 +36,12 @@ namespace detail
template <typename T, precision P, template <typename, precision> class vecType>
struct compute_rgbToSrgb
{
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & ColorRGB, T InverseGamma)
GLM_FUNC_QUALIFIER static vecType<T, P> call(vecType<T, P> const & ColorRGB, T GammaCorrection)
{
vecType<T, P> const ClampedColor(clamp(ColorRGB, static_cast<T>(0), static_cast<T>(1)));
return mix(
pow(ClampedColor, vecType<T, P>(InverseGamma)) * static_cast<T>(1.055) - static_cast<T>(0.055),
pow(ClampedColor, vecType<T, P>(GammaCorrection)) * static_cast<T>(1.055) - static_cast<T>(0.055),
ClampedColor * static_cast<T>(12.92),
lessThan(ClampedColor, vecType<T, P>(static_cast<T>(0.0031308))));
}
@ -50,9 +50,9 @@ namespace detail
template <typename T, precision P>
struct compute_rgbToSrgb<T, P, tvec4>
{
GLM_FUNC_QUALIFIER static tvec4<T, P> call(tvec4<T, P> const & ColorRGB, T InverseGamma)
GLM_FUNC_QUALIFIER static tvec4<T, P> call(tvec4<T, P> const & ColorRGB, T GammaCorrection)
{
return tvec4<T, P>(compute_rgbToSrgb<T, P, tvec3>::call(tvec3<T, P>(ColorRGB), InverseGamma), ColorRGB.a);
return tvec4<T, P>(compute_rgbToSrgb<T, P, tvec3>::call(tvec3<T, P>(ColorRGB), GammaCorrection), ColorRGB.a);
}
};