77 lines
1.8 KiB
Haskell
77 lines
1.8 KiB
Haskell
#include "common.h"
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#include "DX11\tess.h"
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HS_CONSTANT_DATA_OUTPUT PatchConstantsHS(
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InputPatch<p_bumped, 3> ip,
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uint PatchID : SV_PrimitiveID )
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{
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HS_CONSTANT_DATA_OUTPUT Output;
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ComputeTessFactor(Output.Edges, Output.Inside);
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#ifdef TESS_PN
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float3 N[3] =
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{
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normalize(float3(ip[0].M1.z, ip[0].M2.z, ip[0].M3.z)),
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normalize(float3(ip[1].M1.z, ip[1].M2.z, ip[1].M3.z)),
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normalize(float3(ip[2].M1.z, ip[2].M2.z, ip[2].M3.z))
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};
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float3 P[3] =
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{
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ip[0].position.xyz,
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ip[1].position.xyz,
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ip[2].position.xyz
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};
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ComputePNPatch(P, N, Output.patch);
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//Discard back facing patches
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# ifndef TESS_HM
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bool doDiscard = (N[0].z>0.1) && (N[1].z>0.1) && (N[2].z>0.1)
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&& (Output.patch.f3N110.z>0.1) && (Output.patch.f3N011.z>0.1) && (Output.patch.f3N101.z>0.1)
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&& (P[0].z>5) && (P[1].z>5) && (P[2].z>5);
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if (doDiscard)
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Output.Edges[0]= Output.Edges[1]=Output.Edges[2]=Output.Inside=-1;
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# endif
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#endif
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// Data for interpolation in screen space
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// float w0 = mul(m_P, float4(ip[2].position.xyz, 1)).w;
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// float w1 = mul(m_P, float4(ip[1].position.xyz, 1)).w;
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// float w2 = mul(m_P, float4(ip[0].position.xyz, 1)).w;
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// Output.www = float3(w0, w1, w2);
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return Output;
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}
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[domain("tri")]
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[partitioning("pow2")]
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[outputtopology("triangle_ccw")]
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[outputcontrolpoints(3)]
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[patchconstantfunc("PatchConstantsHS")]
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p_bumped main( InputPatch<p_bumped, 3> ip,
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uint i : SV_OutputControlPointID,
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uint PatchID : SV_PrimitiveID )
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{
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p_bumped ouput;
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ouput.tcdh = ip[i].tcdh;
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ouput.position = ip[i].position;
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ouput.M1 = ip[i].M1;
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ouput.M2 = ip[i].M2;
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ouput.M3 = ip[i].M3;
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#ifdef USE_TDETAIL
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ouput.tcdbump = ip[i].tcdbump;
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#endif
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#ifdef USE_LM_HEMI
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ouput.lmh = ip[i].lmh;
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#endif
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return ouput;
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}
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