diff options
Diffstat (limited to 'indra/newview/llvosky.cpp')
| -rw-r--r-- | indra/newview/llvosky.cpp | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/indra/newview/llvosky.cpp b/indra/newview/llvosky.cpp index 7ae8c2c07d..80f43e51d2 100644 --- a/indra/newview/llvosky.cpp +++ b/indra/newview/llvosky.cpp @@ -77,9 +77,6 @@ static const LLVector2 TEX11 = LLVector2(1.f, 1.f); LLUUID gSunTextureID = IMG_SUN; LLUUID gMoonTextureID = IMG_MOON; -//static -LLColor3 LLHaze::sAirScaSeaLevel; - class LLFastLn { public: @@ -182,6 +179,23 @@ inline void color_gamma_correct(LLColor3 &col) } } +static LLColor3 calc_air_sca_sea_level() +{ + static LLColor3 WAVE_LEN(675, 520, 445); + static LLColor3 refr_ind = refr_ind_calc(WAVE_LEN); + static LLColor3 n21 = refr_ind * refr_ind - LLColor3(1, 1, 1); + static LLColor3 n4 = n21 * n21; + static LLColor3 wl2 = WAVE_LEN * WAVE_LEN * 1e-6f; + static LLColor3 wl4 = wl2 * wl2; + static LLColor3 mult_const = fsigma * 2.0f/ 3.0f * 1e24f * (F_PI * F_PI) * n4; + static F32 dens_div_N = F32( ATM_SEA_LEVEL_NDENS / Ndens2); + return dens_div_N * color_div ( mult_const, wl4 ); +} + +// static constants. +LLColor3 const LLHaze::sAirScaSeaLevel = calc_air_sca_sea_level(); +F32 const LLHaze::sAirScaIntense = color_intens(LLHaze::sAirScaSeaLevel); +F32 const LLHaze::sAirScaAvg = LLHaze::sAirScaIntense / 3.f; /*************************************** @@ -394,12 +408,6 @@ LLVOSky::~LLVOSky() mCubeMap = NULL; } -void LLVOSky::initClass() -{ - LLHaze::initClass(); -} - - void LLVOSky::init() { const F32 haze_int = color_intens(mHaze.calcSigSca(0)); @@ -2147,17 +2155,8 @@ void LLVOSky::updateFog(const F32 distance) stop_glerror(); } -// static -void LLHaze::initClass() -{ - sAirScaSeaLevel = LLHaze::calcAirScaSeaLevel(); -} - - // Functions used a lot. - - F32 color_norm_pow(LLColor3& col, F32 e, BOOL postmultiply) { F32 mv = color_max(col); |