re3/src/extras/shaders/colourfilterVC_PS.hlsl

24 lines
498 B
HLSL

sampler2D tex : register(s0);
float4 blurcol : register(c10);
//float4 blurcols[10] : register(c15);
float4 main(in float2 texcoord : TEXCOORD0) : COLOR0
{
float a = blurcol.a;
float4 doublec = saturate(blurcol*2);
float4 dst = tex2D(tex, texcoord.xy);
float4 prev = dst;
for(int i = 0; i < 5; i++){
// float4 doublec = saturate(blurcol*2);
float4 tmp = dst*(1-a) + prev*doublec*a;
tmp += prev*blurcol;
tmp += prev*blurcol;
prev = saturate(tmp);
}
prev.a = 1.0;
return prev;
}