diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/windlight')
10 files changed, 688 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl new file mode 100644 index 0000000000..48cf234aa0 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsF.glsl @@ -0,0 +1,54 @@ +/** + * @file class2\wl\atmosphericsF.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 getAdditiveColor(); +vec3 getAtmosAttenuation(); +vec3 scaleSoftClipFrag(vec3 light); + +vec3 srgb_to_linear(vec3 col); +vec3 linear_to_srgb(vec3 col); + +uniform float sky_hdr_scale; + +vec3 atmosFragLighting(vec3 light, vec3 additive, vec3 atten) +{ + light *= atten.r; + additive = srgb_to_linear(additive*2.0); + // magic 1.25 here is to match the default RenderSkyHDRScale -- this parameter needs to be plumbed into sky settings or something + // so it's available to all shaders that call atmosFragLighting instead of just softenLightF.glsl + additive *= sky_hdr_scale; + light += additive; + return light; +} + +vec3 atmosFragLightingLinear(vec3 light, vec3 additive, vec3 atten) +{ + return atmosFragLighting(light, additive, atten); +} + +vec3 atmosLighting(vec3 light) +{ + return atmosFragLighting(light, getAdditiveColor(), getAtmosAttenuation()); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl new file mode 100644 index 0000000000..437fa0a6d5 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsFuncs.glsl @@ -0,0 +1,159 @@ +/** + * @file class2\windlight\atmosphericsFuncs.glsl + * + * $LicenseInfo:firstyear=2022&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2022, 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 + * $/LicenseInfo$ + */ + +uniform vec3 lightnorm; +uniform vec3 sunlight_color; +uniform vec3 moonlight_color; +uniform int sun_up_factor; +uniform vec3 ambient_color; +uniform vec3 blue_horizon; +uniform vec3 blue_density; +uniform float haze_horizon; +uniform float haze_density; +uniform float cloud_shadow; +uniform float density_multiplier; +uniform float distance_multiplier; +uniform float max_y; +uniform vec3 glow; +uniform float scene_light_strength; +uniform float sun_moon_glow_factor; +uniform float sky_hdr_scale; + +float getAmbientClamp() { return 1.0f; } + +vec3 srgb_to_linear(vec3 col); +vec3 legacy_adjust(vec3 col); + +// return colors in sRGB space +void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, + out vec3 atten) +{ + vec3 rel_pos = inPositionEye; + + //(TERRAIN) limit altitude + if (abs(rel_pos.y) > max_y) rel_pos *= (max_y / rel_pos.y); + + vec3 rel_pos_norm = normalize(rel_pos); + float rel_pos_len = length(rel_pos); + + vec3 sunlight = (sun_up_factor == 1) ? sunlight_color: moonlight_color; + + // sunlight attenuation effect (hue and brightness) due to atmosphere + // this is used later for sunlight modulation at various altitudes + vec3 light_atten = (blue_density + vec3(haze_density * 0.25)) * (density_multiplier * max_y); + // I had thought blue_density and haze_density should have equal weighting, + // but attenuation due to haze_density tends to seem too strong + + vec3 combined_haze = blue_density + vec3(haze_density); + vec3 blue_weight = blue_density / combined_haze; + vec3 haze_weight = vec3(haze_density) / combined_haze; + + //(TERRAIN) compute sunlight from lightnorm y component. Factor is roughly cosecant(sun elevation) (for short rays like terrain) + float above_horizon_factor = 1.0 / max(1e-6, lightnorm.y); + sunlight *= exp(-light_atten * above_horizon_factor); // for sun [horizon..overhead] this maps to an exp curve [0..1] + + // main atmospheric scattering line integral + float density_dist = rel_pos_len * density_multiplier; + + // Transparency (-> combined_haze) + // ATI Bugfix -- can't store combined_haze*density_dist*distance_multiplier in a variable because the ati + // compiler gets confused. + combined_haze = exp(-combined_haze * density_dist * distance_multiplier); + + // final atmosphere attenuation factor + atten = combined_haze.rgb; + + // compute haze glow + float haze_glow = dot(rel_pos_norm, lightnorm.xyz); + + // dampen sun additive contrib when not facing it... + // SL-13539: This "if" clause causes an "additive" white artifact at roughly 77 degreees. + // if (length(light_dir) > 0.01) + haze_glow *= max(0.0f, dot(light_dir, rel_pos_norm)); + + haze_glow = 1. - haze_glow; + // haze_glow is 0 at the sun and increases away from sun + haze_glow = max(haze_glow, .001); // set a minimum "angle" (smaller glow.y allows tighter, brighter hotspot) + haze_glow *= glow.x; + // higher glow.x gives dimmer glow (because next step is 1 / "angle") + haze_glow = pow(haze_glow, glow.z); + // glow.z should be negative, so we're doing a sort of (1 / "angle") function + + // add "minimum anti-solar illumination" + haze_glow += .25; + + haze_glow *= sun_moon_glow_factor; + + vec3 amb_color = ambient_color; + + // increase ambient when there are more clouds + vec3 tmpAmbient = amb_color + (vec3(1.) - amb_color) * cloud_shadow * 0.5; + + // Similar/Shared Algorithms: + // indra\llinventory\llsettingssky.cpp -- LLSettingsSky::calculateLightSettings() + // indra\newview\app_settings\shaders\class1\windlight\atmosphericsFuncs.glsl -- calcAtmosphericVars() + // haze color + vec3 cs = sunlight.rgb * (1. - cloud_shadow); + additive = (blue_horizon.rgb * blue_weight.rgb) * (cs + tmpAmbient.rgb) + (haze_horizon * haze_weight.rgb) * (cs * haze_glow + tmpAmbient.rgb); + + // brightness of surface both sunlight and ambient + + sunlit = sunlight.rgb; + amblit = tmpAmbient; + + additive *= vec3(1.0 - combined_haze); +} + +vec3 srgb_to_linear(vec3 col); + +// provide a touch of lighting in the opposite direction of the sun light + // so areas in shadow don't lose all detail +float ambientLighting(vec3 norm, vec3 light_dir) +{ + float ambient = min(abs(dot(norm.xyz, light_dir.xyz)), 1.0); + ambient *= 0.5; + ambient *= ambient; + ambient = (1.0 - ambient); + return ambient; +} + + +// return lit amblit in linear space, leave sunlit and additive in sRGB space +void calcAtmosphericVarsLinear(vec3 inPositionEye, vec3 norm, vec3 light_dir, out vec3 sunlit, out vec3 amblit, out vec3 additive, + out vec3 atten) +{ + calcAtmosphericVars(inPositionEye, light_dir, 1.0, sunlit, amblit, additive, atten); + + // multiply to get similar colors as when the "scaleSoftClip" implementation was doubling color values + // (allows for mixing of light sources other than sunlight e.g. reflection probes) + sunlit *= 1.5; + amblit *= 0.5; + + // override amblit with ambient_color if sky probe ambiance is not zero + amblit = mix(amblit, ambient_color, clamp(sky_hdr_scale-1.0, 0.0, 1.0)); + + amblit = srgb_to_linear(amblit); + amblit *= ambientLighting(norm, light_dir); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl new file mode 100644 index 0000000000..800d08047a --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersF.glsl @@ -0,0 +1,44 @@ +/** + * @file class2\wl\atmosphericsHelpersV.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + * $/LicenseInfo$ + */ + +// Output variables + +uniform float scene_light_strength; + +vec3 atmosFragAmbient(vec3 light, vec3 amblit) +{ + return amblit + light / 2.0; +} + +vec3 atmosFragAffectDirectionalLight(float lightIntensity, vec3 sunlit) +{ + return sunlit * lightIntensity; +} + +vec3 scaleDownLightFrag(vec3 light) +{ + return (light / scene_light_strength ); +} + diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl new file mode 100644 index 0000000000..6ecbfaecb1 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsHelpersV.glsl @@ -0,0 +1,57 @@ +/** + * @file class2\wl\atmosphericsHelpersV.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + * $/LicenseInfo$ + */ + + + +// Output variables +vec3 getSunlitColor(); +vec3 getAmblitColor(); +vec3 getAdditiveColor(); +vec3 getAtmosAttenuation(); +vec3 getPositionEye(); + +uniform float scene_light_strength; + +vec3 atmosAmbient() +{ + return getAmblitColor(); +} + +vec3 atmosAffectDirectionalLight(float lightIntensity) +{ + return getSunlitColor() * lightIntensity; +} + +vec3 atmosGetDiffuseSunlightColor() +{ + return getSunlitColor(); +} + +vec3 scaleDownLight(vec3 light) +{ + return (light / scene_light_strength ); +} + + diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsV.glsl new file mode 100644 index 0000000000..cc3617ba61 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsV.glsl @@ -0,0 +1,56 @@ +/** + * @file class2\wl\atmosphericsV.glsl + * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ + * Second Life Viewer Source Code + * Copyright (C) 2005, 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 + * $/LicenseInfo$ + */ + +// out param funcs + + +uniform vec3 sun_dir; +uniform vec3 moon_dir; +uniform int sun_up_factor; + +void setSunlitColor(vec3 v); +void setAmblitColor(vec3 v); +void setAdditiveColor(vec3 v); +void setAtmosAttenuation(vec3 v); +void setPositionEye(vec3 v); + +vec3 getAdditiveColor(); + +void calcAtmosphericVars(vec3 inPositionEye, vec3 light_dir, float ambFactor, out vec3 sunlit, out vec3 amblit, out vec3 additive, out vec3 atten); + +void calcAtmospherics(vec3 inPositionEye) { + vec3 P = inPositionEye; + setPositionEye(P); + vec3 tmpsunlit = vec3(1); + vec3 tmpamblit = vec3(1); + vec3 tmpaddlit = vec3(1); + vec3 tmpattenlit = vec3(1); + vec3 light_dir = (sun_up_factor == 1) ? sun_dir : moon_dir; + calcAtmosphericVars(inPositionEye, light_dir, 1, tmpsunlit, tmpamblit, tmpaddlit, tmpattenlit); + setSunlitColor(tmpsunlit); + setAmblitColor(tmpamblit); + setAdditiveColor(tmpaddlit); + setAtmosAttenuation(tmpattenlit); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsF.glsl new file mode 100644 index 0000000000..34669a6796 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsF.glsl @@ -0,0 +1,48 @@ +/** + * @file class2\wl\atmosphericVarsF.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 + * $/LicenseInfo$ + */ + + +in vec3 vary_AdditiveColor; +in vec3 vary_AtmosAttenuation; + +vec3 getSunlitColor() +{ + return vec3(0,0,0); +} + +vec3 getAmblitColor() +{ + return vec3(0,0,0); +} + +vec3 getAdditiveColor() +{ + return vary_AdditiveColor; +} + +vec3 getAtmosAttenuation() +{ + return vec3(vary_AtmosAttenuation); +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsV.glsl new file mode 100644 index 0000000000..1b854d80b3 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsV.glsl @@ -0,0 +1,84 @@ +/** + * @file class2\wl\atmosphericVars.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 + * $/LicenseInfo$ + */ + + +out vec3 vary_AdditiveColor; +out vec3 vary_AtmosAttenuation; + +vec3 additive_color; +vec3 atmos_attenuation; +vec3 sunlit_color; +vec3 amblit_color; +vec3 position_eye; + +vec3 getSunlitColor() +{ + return sunlit_color; +} +vec3 getAmblitColor() +{ + return amblit_color; +} + +vec3 getAdditiveColor() +{ + return additive_color; +} +vec3 getAtmosAttenuation() +{ + return atmos_attenuation; +} + +vec3 getPositionEye() +{ + return position_eye; +} + +void setPositionEye(vec3 v) +{ + position_eye = v; +} + +void setSunlitColor(vec3 v) +{ + sunlit_color = v; +} + +void setAmblitColor(vec3 v) +{ + amblit_color = v; +} + +void setAdditiveColor(vec3 v) +{ + additive_color = v; + vary_AdditiveColor = v; +} + +void setAtmosAttenuation(vec3 v) +{ + atmos_attenuation = v; + vary_AtmosAttenuation = v; +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterF.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterF.glsl new file mode 100644 index 0000000000..7a6741fe0e --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterF.glsl @@ -0,0 +1,50 @@ +/** + * @file class2\wl\atmosphericVarsWaterF.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 + * $/LicenseInfo$ + */ + +in vec3 vary_PositionEye; +in vec3 vary_AdditiveColor; +in vec3 vary_AtmosAttenuation; + +vec3 getSunlitColor() +{ + return vec3(0,0,0); +} +vec3 getAmblitColor() +{ + return vec3(0,0,0); +} +vec3 getAdditiveColor() +{ + return vary_AdditiveColor; +} +vec3 getAtmosAttenuation() +{ + return vary_AtmosAttenuation; +} +vec3 getPositionEye() +{ + return vary_PositionEye; +} + diff --git a/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterV.glsl b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterV.glsl new file mode 100644 index 0000000000..23c3aed4d8 --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/atmosphericsVarsWaterV.glsl @@ -0,0 +1,81 @@ +/** + * @file class2\wl\atmosphericVarsWaterV.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 + * $/LicenseInfo$ + */ + +out vec3 vary_PositionEye; +out vec3 vary_AdditiveColor; +out vec3 vary_AtmosAttenuation; + +vec3 atmos_attenuation; +vec3 sunlit_color; +vec3 amblit_color; + +vec3 getSunlitColor() +{ + return sunlit_color; +} +vec3 getAmblitColor() +{ + return amblit_color; +} + +vec3 getAdditiveColor() +{ + return vary_AdditiveColor; +} +vec3 getAtmosAttenuation() +{ + return atmos_attenuation; +} + +vec3 getPositionEye() +{ + return vary_PositionEye; +} + +void setPositionEye(vec3 v) +{ + vary_PositionEye = v; +} + +void setSunlitColor(vec3 v) +{ + sunlit_color = v; +} + +void setAmblitColor(vec3 v) +{ + amblit_color = v; +} + +void setAdditiveColor(vec3 v) +{ + vary_AdditiveColor = v; +} + +void setAtmosAttenuation(vec3 v) +{ + atmos_attenuation = v; + vary_AtmosAttenuation = v; +} diff --git a/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl new file mode 100644 index 0000000000..027bfb866f --- /dev/null +++ b/indra/newview/app_settings/shaders/class1/windlight/gammaF.glsl @@ -0,0 +1,55 @@ +/** + * @file class2\wl\gammaF.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 + * $/LicenseInfo$ + */ + + // DEPRECATED + +//soft clip effect has been moved to postDeferredGammaCorrect legacyGamma, this file is effectively dead +// but these functions need to be removed from all existing shaders before removing this file + +vec3 scaleSoftClipFrag(vec3 light) +{ + return light; +} + +vec3 scaleSoftClipFragLinear(vec3 light) +{ // identical to non-linear version and that's probably close enough + return light; +} + +vec3 scaleSoftClip(vec3 light) +{ + return light; +} + +vec3 fullbrightScaleSoftClipFrag(vec3 light, vec3 add, vec3 atten) +{ + return light; +} + +vec3 fullbrightScaleSoftClip(vec3 light) +{ + return light; +} + |