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light contributions
(engages AMBIENT_KILL, SUNLIGHT_KILL, and LOCAL_LIGHT_KILL defines in shaders to accomplish
those tasks as required by each render mode).
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Fix linear attenuation on forward projector lighting.
Revert setup of falloff to prev code.
Revert deferred water spec and tweak refl/refr blend.
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Fix ambient light inputs to the renderer.
Fix 3rd sky shader w/ mistaken density mod conversion.
Make ambient clamp apply to all modes.
Tune ALM ambient clamp to match non-ALM.
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Modify new spec response to better match old gloss response curve.
Tuned at 255, 192, 160, 128, 64, and 32 glossiness.
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Reduce spec bloom further.
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Modify calc of sunlight to avoid clipping in gamma correct on values outside 0-1 range.
Modify shaders to put back ambient clamp tuned to be close to ambient contrib in low/mid lighting.
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Restore old sun matrix gen code.
Make sky use correct colorspace.
Make sunlight color the CPU-generated WL color when not using atmo shaders or deferred (helps 11107).
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Make haze look more like WL.
Make lack of sun and moon mean black and fixed dir to prevent spooky underlighting.
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Fix diffuse boost in deferred lighting to match non-deferred.
Make class2 soften not clamp shadow color to incoming alpha (make shadows appear on terrain underwater).
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Remove ambient term clamping to get less dark shadows where we want less dark shadows in ALM.
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Tamp down bloom so we don't have to redo ten thousand gloss maps.
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Gave clouds the Bob Ross treatment.
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Make alpha shader apply vert color everywhere.
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Fix sun/moon glow factor bustage.
Make darkness an option.
Fix moon fade shader logic getting confused when sun was below horizon.
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Fix direct light matching across alpha/blended-material/deferred.
Get diffuse lighting to match from Low to Ultra.
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Remove ambient clamp to keep shadows dark.
Partial fix for class 3 ambient term being wrong.
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Don't ignore far z in culling.
Fix Mid lighting being very dark.
Partial fix for broken projectors with forward rendering.
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Consistency across class2/3/ALM lighting.
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about it).
Make a distinct class3/lighting/lightV which boosts to WL levels (* 2.0)
and make lighting without WL atmo enabled use class 2 or below.
Make forward shaders (alpha and materialF with alpha-blend mode on) more consistent with deferred lighting.
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Bias shadow sampling and allow control of how dark shadows are (clamped ambient).
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Fix flicker even in no shadow ALM from pow on final_da.
Shadow acne at Midday still present.
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settings.
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to WL).
Remove all refs to now unused calcFragAtmospherics.
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All paths now use the same atmospheric transport calcs.
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Scale down of bloom was off by a factor of 3 or so.
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Fix up shadow sampling and tweak shadow biasing.
Clean up shader decls of unused funcs.
Clean up whitespace diffs from release.
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--HG--
branch : OPEN-340
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--HG--
branch : OPEN-340
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Given that mShaderObjects only ever expects one copy of a given shader object (leading to lots of "shaderV" and "shaderF"), it made having utility shaders a bit more difficult to incorporate.
This change makes sure the two are separated. Using this over a multimap largely for readibility.
Also, actually, you know, use this functionality.
--HG--
branch : OPEN-340
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Still some work to go here. Largely related to how certain values (i.e., SSAO mix values) are supplied. But so far, so good.
--HG--
branch : OPEN-340
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Make projector ambiance unshadowed in both forward and deferred for consistency.
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forward rendering.
Add decls for intermediate lighting values for debug.
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Fix deferred water soften prog lightnorm getting stomped with rotated lightnorm,
because it's a water shader and needs water atmo uniform values,
but it's a deferred lighting shader that needs not-so-rotated lightnorms.
Make sunlight_color not get auto-updated so we can get the correct value from mSunDiffuse.
Remove mix to preserve bumps as it was washing out shadows.
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Fix directionality of da and preserve bumps on completely shadowed areas.
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Clamp ambient to keep shadows dark.
Apply min with shadow value after we've pow'd by light gamma consistently between forward and deferred.
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Clamp ambient contrib to get darker shadows.
New PCF sampling func.
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Fix for BUG-226620
Approved-by: Graham Madarasz <graham@lindenlab.com>
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--HG--
branch : BUG-226620
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Fixes BUG-226620
--HG--
branch : BUG-226620
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Make terrain *not* blend all the way to diffuse color for no reason.
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Water plane rendering improvements
Approved-by: Graham Madarasz <graham@lindenlab.com>
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This is more or less to achieve the non-ALM bloom behavior in most circumstances.
Why scale it? Normalized blinn-phong gets brighter the higher the specular exponent. As it stood, the old spec contribution was extremely bright despite looking "correct". This is largely eyeballed, but generally looks better for all light sources applied to the surface of the water.
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The atomospherics were being applied both in the G-buffer and during the sun light pass. This ensures that is not the case.
Additionally, re-enable specular on the water plane, scale the bloom factor to something more reasonable, and also someone broke specular on emissive surfaces. That's fixed too now.
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opt-in.
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Replace old spot prio calc.
Replace fudge factors on light radius and falloff for deferred lights.
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