60 lines
1.6 KiB
HLSL
60 lines
1.6 KiB
HLSL
#include "common.hlsli"
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#include "tess.hlsli"
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void PatchConstantsHS(in InputPatch<p_bumped_new, 3> ip, in uint PatchID : SV_PrimitiveID, out HS_CONSTANT_DATA_OUTPUT Output)
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{
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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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#ifndef TESS_HM
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bool doDiscard = (N[0].z > 0.1f) && (N[1].z > 0.1f) && (N[2].z > 0.1f) &&
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(Output.patch.f3N110.z > 0.1f) && (Output.patch.f3N011.z > 0.1f) && (Output.patch.f3N101.z > 0.1f) &&
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(P[0].z > 5.0f) && (P[1].z > 5.0f) && (P[2].z > 5.0f);
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if (doDiscard)
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{
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Output.Edges[0] = Output.Edges[1] = Output.Edges[2] = Output.Inside = -1;
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}
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#endif
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#endif
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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_new main(in InputPatch<p_bumped_new, 3> ip, in uint i : SV_OutputControlPointID, in uint PatchID : SV_PrimitiveID)
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{
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p_bumped_new 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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ouput.hpos_curr = ip[i].hpos_curr;
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ouput.hpos_old = ip[i].hpos_old;
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ouput.hpos = ip[i].hpos;
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ouput.snow_mask = ip[i].snow_mask;
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return ouput;
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}
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