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//TEST:SIMPLE(filecheck=CHECK): -target spirv -stage hull -entry hullMain -warnings-disable 39001
// Test for issue #7000: scalar tessellation factors should convert to arrays properly
struct VSOutput
{
float4 Pos : SV_POSITION;
float3 Normal;
float2 UV;
};
struct HSOutput
{
float4 Pos : SV_POSITION;
float3 Normal;
float2 UV;
};
struct ConstantsHSOutput
{
float TessLevelOuter[3] : SV_TessFactor;
float TessLevelInner : SV_InsideTessFactor; // Scalar (should convert to float[2] for GLSL)
};
ConstantsHSOutput ConstantsHS()
{
ConstantsHSOutput output;
output.TessLevelInner = 4.0;
output.TessLevelOuter[0] = 4.0;
output.TessLevelOuter[1] = 4.0;
output.TessLevelOuter[2] = 4.0;
return output;
}
[shader("hull")]
[domain("tri")]
[partitioning("integer")]
[outputtopology("triangle_cw")]
[outputcontrolpoints(3)]
[patchconstantfunc("ConstantsHS")]
HSOutput hullMain(InputPatch<VSOutput, 3> patch, uint InvocationID: SV_OutputControlPointID)
{
HSOutput output;
output.Pos = patch[InvocationID].Pos;
output.Normal = patch[InvocationID].Normal;
output.UV = patch[InvocationID].UV;
return output;
}
// CHECK: OpExecutionMode
// CHECK-DAG: OpDecorate {{.*}} BuiltIn TessLevelInner
// CHECK-DAG: OpDecorate {{.*}} BuiltIn TessLevelOuter
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