Unreal
tweak guide
Last
Updated on September 07, 2000 by Thomas
McGuire - Page 5/10
Rendering – PowerVR SGL support
If you’ve selected PowerVR SGL then the options are as follows.
ColorDepth.
Set
this to 16 (bit) for optimal performance, although with slightly worse image
quality (more banding). Set to 24 (bit) for best
image quality, although with slower performance. I’d
highly recommend setting it to 16 when playing
online.
Coronas.
Set this to True.
This is the haze of light that appears around light sources
in the game, such as lamps in the game. It has little effect
on performance.
FastUglyRefresh.
As the title suggests; setting this to True will
improve performance at the cost of image quality &
setting it to False will improve image quality at the
cost of performance.
HighDetailActors.
Set this to True
for better visuals. Setting it to False
will improve performance.
ShinySurfaces. Shiny surfaces are the reflective surfaces in the game, e.g. on some
floors you can see your (& others) reflections. Setting
it to False will improve your frame rate in such
areas. Setting it to True will give you a nice visual
enhancement in such areas.
TextureDetailBias.
Use this to set the range at which detail is applied to
textures, Near or Far. When set to Far
textures will appear sharper further away than Near
& when set to Near textures will sharpen when you
are close to them. Set it to Near for improved
performance & Far
for improved image quality.
VertexLighting.
When set to False, Lightmap lighting is used –
which results in vastly improved lighting of a level as it
is done in real-time. When set to True Vertex
lighting is used – which is static (i.e. not real-time),
which may improve performance a lot, although visual quality
will suffer.
VolumetricLighting.
Setting this to False amay mean the difference
between a playable & an unplayable game.
Although setting this to True will improve visuals
significantly, with effects such as fog & space-filling.
Rendering
- Software
If
you’ve selected Software
then the options are as follows.
If
you really must use the Software renderer then you really
should set everything to False,
with the exception of Fast
translucency. This will ensure software rendering is
running optimally.
Also make sure that SlowVideoBuffering
is set to True,
in the Display section of Advanced options.
Also
set the game to run in 32-bit colour, this gives
optimal performance in Software rendering. This is not
the case with hardware rendering modes though. See the General
console commands
section for how to enable 32-bit colour.
Consider
purchasing a new(er) graphics card also. Most games now require
a 3d card to work, such as Quake 3 or Soldier of Fortune.
You can find out how to optimize your graphics
cards performance/visual quality in the Voodoo3 , Voodoo
4/5 & TNT\GeForce
tweaking guides.

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