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Play with upscaling filters

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justin
2025-11-29 09:44:12 +00:00
parent c5c494522c
commit 974f3e96c9
10 changed files with 456 additions and 115 deletions
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shader/texture/antia.frag
+22 -5
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@@ -24,6 +24,16 @@ int i = int(( floor(vTexPos.x * screensize.x))) % 4;
int j = int(( floor(vTexPos.y * screensize.y))) % 4;
vec4 edgecase (vec3 e1, vec3 e2)
{ return vec4((t(e1,e2) && bt(e1,c) ? e1 : c),1); }
vec4 ttlcase (vec3 tt, vec3 tr, vec3 mr, vec3 br, vec3 bb, vec3 bl, vec3 ml, vec3 tl)
{
if (t(tl,tt) && t(tl,mr))
{return vec4(tl,1);}
if (t(tl,tt) && t(tl,ml))
{return vec4(tt,1);}
// if (t(tt,mr) && bt(tt,c))
// {return vec4(tt,1);}
return vec4(c,1);
}
vec4 corncase (vec3 e1, vec3 e2, vec3 corn)
{ return vec4( (t(e1,e2) && false == (t(corn,c)) ? e1 : c) , 1);}
//{ return vec4( (t(e1,e2) ? e1 : c) , 1);}
@@ -55,20 +65,28 @@ else
{ fColor = vec4(0,0,0,1);
switch (i * 10 + j) {
case 10:
fColor = ttlcase(bb,br,mr,tr,tt,tl,ml,bl);
break;
case 01:
fColor = edgecase(ml,bb);
fColor = ttlcase(ml,tl,tt,tr,mr,br,bb,bl);
break;
case 13:
fColor = ttlcase(tt,tr,mr,br,bb,bl,ml,tl);
break;
case 02:
fColor = edgecase(ml,tt);
fColor = ttlcase(ml,bl,bb,br,mr,tr,tt,tl);
break;
case 23:
fColor = ttlcase(tt,tl,ml,bl,bb,br,mr,tr);
break;
case 32:
fColor = edgecase(mr,tt);
fColor = ttlcase(mr,br,bb,bl,ml,tl,tt,tr);
break;
case 20:
fColor = ttlcase(bb,bl,ml,tl,tt,tr,mr,br);
break;
case 31:
fColor = edgecase(mr,bb);
fColor = ttlcase(mr,tr,tt,tl,ml,bl,bb,br);
break;
case 00:
fColor = corncase(ml,bb,bl);
@@ -78,7 +96,6 @@ else
break;
case 33:
fColor = corncase(mr,tt,tr);
//fColor = vec4(1,0,0,1);
break;
case 30:
fColor = corncase(mr,bb,br);