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99 lines
2.1 KiB
Plaintext
99 lines
2.1 KiB
Plaintext
uniform samplerRECT samp0 : register(s0);
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void main(out float4 ocol0 : COLOR0, in float2 uv0 : TEXCOORD0)
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{
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//Changethis to increase the number of colors.
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float numColors =8;
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float4 to_gray = float4(0.3,0.59,0.11,0);
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float x1 = dot(to_gray, texRECT(samp0, uv0+float2(1,1)));
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float x0 = dot(to_gray, texRECT(samp0, uv0+float2(-1,-1)));
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float x3 = dot(to_gray, texRECT(samp0, uv0+float2(1,-1)));
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float x2 = dot(to_gray, texRECT(samp0, uv0+float2(-1,1)));
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float edge = (x1 - x0) * (x1 - x0);
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float edge2 = (x3 - x2) * (x3 - x2);
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edge += edge2;
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float4 color = texRECT(samp0, uv0).rgba;
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float4 c0 = max(color - float4(edge, edge, edge, edge) * 12, float4(0,0,0,0));
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//Change this number to increase the pixel size.
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int pixelSize = 1;
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float red = 0.0;
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float green = 0.0;
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float blue = 0.0;
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bool rr = false;
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bool bb = false;
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bool gg = false;
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int val = uv0[0];
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int val2 = uv0[1];
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int count = 1;
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double colorN = 0.0;
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double colorB = 0.0;
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val = val % pixelSize;
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val2 = val2 % pixelSize;
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//if(val == 0 && val2 == 0 )
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// c0 = texRECT(samp0, uv0).rgba;
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//else
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// c0 = texRECT(samp0, uv0-float2(val, val2)).rgba;
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for(count = 1; count <= numColors ; count++){
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colorN = count / numColors;
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if ( c0.r <= colorN && c0.r >= colorB && rr == false ){
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if (count == 1){
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if(colorN >= 0.1)
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red = 0.01;
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else
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red = colorN;
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}
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else if (count == numColors)
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red = 0.95;
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else
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red = colorN ;
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rr = true;
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}
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if (c0.b <= colorN && c0.b >= colorB && bb == false){
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if (count == 1){
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if(colorN >= 0.1)
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blue = 0.01;
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else
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blue = colorN;
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}
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else if (count == numColors)
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blue = 0.95;
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else
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blue = colorN ;
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bb = true;
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}
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if (c0.g <= colorN && c0.g >= colorB && gg == false){
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if (count == 1){
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if(colorN >= 0.1)
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green = 0.01;
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else
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green = colorN;
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}
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else if (count == numColors)
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green = 0.95 ;
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else
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green = colorN ;
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gg = true;
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}
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colorB = count / numColors;
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if(rr == true && bb == true && gg == true)
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break;
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}
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ocol0 = float4(red, green, blue, c0.a);
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} |