diff options
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl')
| -rw-r--r-- | indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl index be1003a7e0..c8afacf9bb 100644 --- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl +++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl @@ -1,9 +1,9 @@ /** * @file luminanceF.glsl * - * $LicenseInfo:firstyear=2007&license=viewerlgpl$ + * $LicenseInfo:firstyear=2023&license=viewerlgpl$ * Second Life Viewer Source Code - * Copyright (C) 2007, Linden Research, Inc. + * Copyright (C) 2023, 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 @@ -22,19 +22,31 @@ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ + /*[EXTRA_CODE_HERE]*/ -#ifdef DEFINE_GL_FRAGCOLOR +// take a luminance sample of diffuseRect and emissiveRect + out vec4 frag_color; -#else -#define frag_color gl_FragColor -#endif -uniform sampler2DRect diffuseMap; -VARYING vec2 vary_fragcoord; +in vec2 vary_fragcoord; + +uniform sampler2D diffuseRect; +uniform sampler2D emissiveRect; + +float lum(vec3 col) +{ + vec3 l = vec3(0.2126, 0.7152, 0.0722); + return dot(l, col); +} void main() { - frag_color = texture2DRect(diffuseMap, vary_fragcoord.xy); + vec2 tc = vary_fragcoord*0.6+0.2; + tc.y -= 0.1; // HACK - nudge exposure sample down a little bit to favor ground over sky + vec3 c = texture(diffuseRect, tc).rgb + texture(emissiveRect, tc).rgb; + float L = lum(c); + frag_color = vec4(max(L, 0.0)); } + |