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struct VSOutput
{
float4 f4Position : SV_Position;
float3 f3Color : COLOR;
};
// Output patch constant data.
struct HS_CONSTANT_DATA_OUTPUT
{
float Edges[3] : SV_TessFactor;
};
HS_CONSTANT_DATA_OUTPUT ConstantHS( InputPatch<VSOutput, 1> p,
uint BlockID : SV_PrimitiveID,
out float Inside : SV_InsideTessFactor)
{
HS_CONSTANT_DATA_OUTPUT Factors;
Factors.Edges[0] = 2.5 + float(BlockID);
Factors.Edges[1] = 4.5 + p[0].f4Position.x * 1.53;
Factors.Edges[2] = 5.5 - p[0].f4Position.y * 2.53;
Inside = 6.2 + p[0].f4Position.x * 1.53;
return Factors;
}
struct HSOutput
{
float4 Position : POS;
float3 Color : COL;
};
[domain("tri")]
[partitioning("fractional_odd")]
[outputtopology("triangle_cw")]
[outputcontrolpoints(1)]
[patchconstantfunc("ConstantHS")]
[maxtessfactor( (float)(32.f+2.f) )]
HSOutput main(InputPatch<VSOutput, 1> inputPatch, uint uCPID : SV_OutputControlPointID)
{
HSOutput Out;
Out.Position = inputPatch[uCPID].f4Position;
Out.Color = inputPatch[uCPID].f3Color;
return Out;
}
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