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Change pixel darker then x to y

hi all,

i am trying to change pixels in a b/w texture which are darker as x to y. any idear?

thx and greetz

christian

Pipet (EX9.Texture Legacy) pipet it then hsa or rgb spilt -> chang pixel -> join
this will be slow depending on how many pixel there are

hi xxxlalala,

thx for quick answer. i think i found another way: using a pixelshader. i changed the template shader by

float4 PS(vs2ps In): COLOR
{
float4 col = tex2D(Samp, In.TexCd);
if(col.r==0)
{col =1;}
return col;
}

works perfect for me…and i think it is much less perf expensive ;)

greetz

christian