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HydrogensaysHDT

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HydrogensaysHDT

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About this mod

Order-independent transparency (OIT) is a class of techniques in rasterisational computer graphics for rendering transparency in a 3D scene, which do not require rendering geometry in sorted order for alpha compositing.(copy from wikipedia)

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Ordering Independent Transparency plugin for skyrim using depth peeling algorithm.

Objects under water now can be seen but may cause halo(some pixels of water are covered) - 4.3
Objects now can receive shadow(not correctly but good enough)- 4.3
Objects now can receive pointlight with shadow - 2.0
It's not been fully test so there may be some bug not found.

use as a proxy library for enb.(later is better.I only tested on ENB 240/251/262)

don't close the enb effect(shift+f12 etc.) because we need the position info from enb while peeling.

known bug : something bad when the background is sky

and about hdtSkyrimOIT.ini

[Proxy]
ProxyLibrary =;Same as the one in enb

[OIT]
MaxLayerCount = 4 ;Layers more than this will be ignored. larger=better but slower. at least 2.
IgnoreNonZObject = true ;Object without SLSF2_ZBuffer_Write will be drawn first. Faster but may cause them wrongly occluded.

[SMAA] ;A smaa before UI rendered so it will not blur the texts. Same as what in sweetfx
Enable = true
Threshold = 0.05
MaxSearchSteps = 96
MaxSearchStepsDiag = 18
CornerRounding = 0

For Modders:

Only object with these properties will effect by the plugin

1、SLSF1_ZBuffer_Test, SLSF2_ZBuffer_Write
2、NiAlphaProperty:Enable Blending = true, Source Blend Mode = SrcAlpha, Destination Blend Mode = InvSrcAlpha(4845 etc)

Others transparent objects just simply drawn after OIT object(some will before that if IgnoreNonZObject=true)

source codes

Credits:
"Uses SMAA. Copyright (C) 2011 by Jorge Jimenez, Jose I. Echevarria, Tiago Sousa, Belen Masia, Fernando Navarro and Diego Gutierrez." http://www.iryoku.com/smaa/
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