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author | Graham Madarasz (Graham Linden) <graham@lindenlab.com> | 2013-07-30 11:33:58 -0700 |
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committer | Graham Madarasz (Graham Linden) <graham@lindenlab.com> | 2013-07-30 11:33:58 -0700 |
commit | f86a7c04d3c265f4d61d99d1d7fdb7e35c4bc3f6 (patch) | |
tree | 18ba9843873b40d75ab1e9d1a159abd4d1814719 /indra/newview/app_settings/shaders/class1/deferred/materialF.glsl | |
parent | b44e7303d85ffc59afe34a97342d83a04b180c48 (diff) |
NORSPEC-314 rollback unified srgb shader code to see if we can get past Mac 10.6.8 nV driver issues
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/materialF.glsl')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/materialF.glsl | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl index d3bd55da7a..b3ae81d494 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/materialF.glsl @@ -114,8 +114,42 @@ uniform vec3 light_direction[8]; uniform vec3 light_attenuation[8]; uniform vec3 light_diffuse[8]; -vec3 srgb_to_linear(vec3 cs); -vec3 linear_to_srgb(vec3 cl); +vec3 srgb_to_linear(vec3 cs) +{ + vec3 low_range = cs / vec3(12.92); + vec3 high_range = pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4)); + bvec3 lte = lessThanEqual(cs,vec3(0.04045)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lte.r ? low_range.r : high_range.r; + result.g = lte.g ? low_range.g : high_range.g; + result.b = lte.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lte); +#endif + +} + +vec3 linear_to_srgb(vec3 cl) +{ + cl = clamp(cl, vec3(0), vec3(1)); + vec3 low_range = cl * 12.92; + vec3 high_range = 1.055 * pow(cl, vec3(0.41666)) - 0.055; + bvec3 lt = lessThan(cl,vec3(0.0031308)); + +#ifdef OLD_SELECT + vec3 result; + result.r = lt.r ? low_range.r : high_range.r; + result.g = lt.g ? low_range.g : high_range.g; + result.b = lt.b ? low_range.b : high_range.b; + return result; +#else + return mix(high_range, low_range, lt); +#endif + +} #ifdef WATER_FOG uniform vec4 waterPlane; |