diff options
author | RunitaiLinden <davep@lindenlab.com> | 2023-04-14 19:24:21 -0500 |
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committer | RunitaiLinden <davep@lindenlab.com> | 2023-04-14 19:24:21 -0500 |
commit | 03bd681564f0b0a630f6330ab9c61daa4856e5fe (patch) | |
tree | 8776c76ae0faaa4e35cb0af7ff9d1a578cb2a2ee /indra/newview/app_settings/shaders/class1/environment | |
parent | d32bca67f17b978387ece4d9b220fc7b4d74a89b (diff) |
DRTVWR-559 Balance night scenes against release, nudge glow down a smidge, remove exposure correction from legacy fullbright balance PBR materials against legacy.
Diffstat (limited to 'indra/newview/app_settings/shaders/class1/environment')
-rw-r--r-- | indra/newview/app_settings/shaders/class1/environment/srgbF.glsl | 39 |
1 files changed, 34 insertions, 5 deletions
diff --git a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl index 3cca84ca14..35f2395ef1 100644 --- a/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl +++ b/indra/newview/app_settings/shaders/class1/environment/srgbF.glsl @@ -23,6 +23,8 @@ * $/LicenseInfo$ */ + uniform sampler2D exposureMap; + vec3 srgb_to_linear(vec3 cs) { vec3 low_range = cs / vec3(12.92); @@ -83,12 +85,32 @@ vec3 hsv2rgb(vec3 c) return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y); } -vec3 legacy_adjust_no_brighten(vec3 c) +const mat3 inv_ACESOutputMat = mat3(0.643038, 0.0592687, 0.0059619, 0.311187, 0.931436, 0.063929, 0.0457755, 0.00929492, 0.930118 ); + +const mat3 inv_ACESInputMat = mat3( 1.76474, -0.147028, -0.0363368, -0.675778, 1.16025, -0.162436, -0.0889633, -0.0132237, 1.19877 ); + +vec3 inv_RRTAndODTFit(vec3 x) { - vec3 desat = rgb2hsv(c.rgb); - desat.g *= 0.75; - desat.rgb = hsv2rgb(desat); - return desat; + float A = 0.0245786; + float B = 0.000090537; + float C = 0.983729; + float D = 0.4329510; + float E = 0.238081; + + return (A - D * x)/(2.0 * (C * x - 1.0)) - sqrt(pow(D * x - A, vec3(2.0)) - 4.0 * (C * x - 1.0) * (B + E * x))/(2.0 * (C * x - 1.0)); +} + +// experimental inverse of ACES Hill tonemapping +vec3 inv_toneMapACES_Hill(vec3 color) +{ + color = inv_ACESOutputMat * color; + + // Apply RRT and ODT + color = inv_RRTAndODTFit(color); + + color = inv_ACESInputMat * color; + + return color; } vec3 legacy_adjust(vec3 c) @@ -100,6 +122,13 @@ vec3 legacy_adjust(vec3 c) return desat; } +vec3 legacy_adjust_fullbright(vec3 c) +{ + float exp_scale = texture(exposureMap, vec2(0.5, 0.5)).r; + return c / exp_scale * 1.34; +} + + vec3 legacy_adjust_post(vec3 c) { return c; |