glslang/Test/hlsl.hull.5.tesc

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// Test mixed InputPatch structure: user and builtin members. Hull shaders involve extra
// logic in this case due to patch constant function call synthesis.
// This example tests the PCF EP having an InputPatch, but the main EP does not.
struct HS_Main_Output
{
float4 m_Position : SV_POSITION ;
};
struct HS_Output
{
float fTessFactor [ 3 ] : SV_TessFactor ;
float fInsideTessFactor : SV_InsideTessFactor ;
};
struct HS_Input
{
float4 m_Position : SV_POSITION;
float4 m_Normal : TEXCOORD2;
};
HS_Output HS_ConstFunc ( InputPatch < HS_Input , 3 > I )
{
HS_Output O = (HS_Output)0;
O.fInsideTessFactor = I [ 0 ].m_Position.w + I [ 0 ].m_Normal.w;
return O;
}
[ domain ( "tri" ) ]
[ partitioning ( "fractional_odd" ) ]
[ outputtopology ( "triangle_cw" ) ]
[ patchconstantfunc ( "HS_ConstFunc" ) ]
[ outputcontrolpoints ( 3 ) ]
HS_Main_Output main( uint cpid : SV_OutputControlPointID )
{
HS_Main_Output output = ( HS_Main_Output ) 0 ;
output.m_Position = 0;
return output ;
}