source: GTP/trunk/App/Demos/Illum/pathmap/dots.fx @ 2197

float4x4 worldToProjMatrix;

float aClusterWeight;

struct vsInputDots
{
    float4      pos                     : POSITION;
    float3      rad                     : NORMAL;    
};

struct vsOutputDots
{
    float4      pos                     : POSITION;
    float3      rad                     : NORMAL;
    float4      worldPos        : TEXCOORD0;        
};

vsOutputDots
        vsDots(vsInputDots input)
{
    vsOutputDots output = (vsOutputDots)0;
    output.worldPos = input.pos;
    output.pos = mul(input.pos, worldToProjMatrix);
    output.pos.z -= 0.0001;
    output.rad = input.rad;
    return output;
}

float4
        psDots(vsOutputDots input) : COLOR0
{
//      return 1;
//      return float4(input.rad, 1);
        float4 ret;

/*      float4 occProjPos = mul(input.worldPos, occWorldToProjMatrix);
        occProjPos /= occProjPos.w;
        float2 occTexPos = mul( occProjPos.xyw, occProjToTexMatrix);
        float visibility = tex2Dproj(depthMapSampler, float4(occTexPos, occProjPos.z, 1) );

        if(visibility >= 0.5)
                ret = float4(1, 0.5, 0, 1);
        else 
                ret = float4(1, 0, 1, 1);*/
//      ret = float4(frac(aClusterWeight * 3.14), frac(aClusterWeight * 13.3), frac(aClusterWeight * 7.1) , 1.0);
//      ret = float4(aClusterWeight * 1000.0, aClusterWeight * 400.0, aClusterWeight * 100.0, 1.0);
        ret = float4(aClusterWeight % 2, aClusterWeight % 3 / 2.0, aClusterWeight % 5 / 4.0, 1.0);
//      ret = float4(aClusterWeight, aClusterWeight, aClusterWeight, 1.0);

        return ret;
}

technique Dots{
        pass P0
    {
        VertexShader = compile vs_3_0 vsDots();
        PixelShader  = compile ps_3_0 psDots();
    }
}