topical media & game development

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shader(s) -- quant

  //@ quantize into steps 
  float time=0;
  float sampleDist = 1.0f/512.0f;  // distance one pixel in u/v
  sampler2D image : register(s0);
  float4 main(
  	float4 Pos : POSITION,
  	float2 texCoord: TEXCOORD0) : COLOR 
  	float4 img = tex2D(image, texCoord);
  	//float quant=floor(20*time);
  	float quant=5;
    	img  = floor(img*quant+0.9)/quant;
    	return img;

(C) Æliens 20/08/2009

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