diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment')
4 files changed, 89 insertions, 3 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/decodeNormF.glsl b/indra/newview/app_settings/shaders/class1/environment/decodeNormF.glsl new file mode 100644 index 0000000000..0abb1e43db --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/environment/decodeNormF.glsl @@ -0,0 +1,11 @@ +vec3 decode_normal (vec2 enc) +{ + vec2 fenc = enc*4-2; + float f = dot(fenc,fenc); + float g = sqrt(1-f/4); + vec3 n; + n.xy = fenc*g; + n.z = 1-f/2; + return n; +} + diff --git a/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl b/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl new file mode 100644 index 0000000000..ee21715c1d --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/environment/encodeNormF.glsl @@ -0,0 +1,7 @@ + +vec2 encode_normal(vec3 n) +{ + float f = sqrt(8 * n.z + 8); + return n.xy / f + 0.5; +} + diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl new file mode 100644 index 0000000000..835662732a --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl @@ -0,0 +1,62 @@ +/** + * @file srgbF.glsl + * + * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2007, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA + * $/LicenseInfo$ + */ + +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 + +} + diff --git a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl index 4bdfce9260..a7c28a1ac3 100644 --- a/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/waterFogF.glsl @@ -33,10 +33,10 @@ uniform float waterFogKS; vec3 getPositionEye(); -vec4 applyWaterFog(vec4 color) +vec4 applyWaterFogView(vec3 pos, vec4 color) { + vec3 view = normalize(pos); //normalize view vector - vec3 view = normalize(getPositionEye()); float es = -(dot(view, waterPlane.xyz)); //find intersection point with water plane and eye vector @@ -47,7 +47,7 @@ vec4 applyWaterFog(vec4 color) vec3 int_v = waterPlane.w > 0.0 ? view * waterPlane.w/es : vec3(0.0, 0.0, 0.0); //get object depth - float depth = length(getPositionEye() - int_v); + float depth = length(pos - int_v); //get "thickness" of water float l = max(depth, 0.1); @@ -72,3 +72,9 @@ vec4 applyWaterFog(vec4 color) return color; } +vec4 applyWaterFog(vec4 color) +{ + //normalize view vector + return applyWaterFogView(getPositionEye(), color); +} + |