1 files changed, 78 insertions, 0 deletions
diff --git a/tests/render/tess.hlsl b/tests/render/tess.hlsl
new file mode 100644
index 000000000..1cd01ef33
--- /dev/null
+++ b/tests/render/tess.hlsl
@@ -0,0 +1,78 @@
+//TEST:COMPARE_HLSL: -target dxbc-assembly -profile hs_5_1 -entry HS -profile ds_5_1 -entry DS 
+
+// tests/render/tess.hlsl
+
+// -profile vs_5_1 -o my-shader.vs.dxbc -entry VS -profile ps_5_1 -o my-shader.ps.dxbc -entry PS
+
+struct IA_OUTPUT
+{
+    float3 cpoint : CPOINT;
+};
+
+struct VS_OUTPUT
+{
+    float3 cpoint : CPOINT;
+};
+
+struct HS_CONSTANT_OUTPUT
+{
+    float edges[2] : SV_TessFactor;
+};
+
+struct HS_OUTPUT
+{
+    float3 cpoint : CPOINT;
+};
+
+struct DS_OUTPUT
+{
+    float4 position : SV_Position;
+};
+
+VS_OUTPUT VS(IA_OUTPUT input)
+{
+    VS_OUTPUT output;
+    output.cpoint = input.cpoint;
+    return output;
+}
+
+HS_CONSTANT_OUTPUT HSConst()
+{
+    HS_CONSTANT_OUTPUT output;
+
+    output.edges[0] = 1.0f; // Detail factor
+    output.edges[1] = 64.0f; // Density factor
+
+    return output;
+}
+
+[domain("isoline")]
+[partitioning("integer")]
+[outputtopology("line")]
+[outputcontrolpoints(4)]
+[patchconstantfunc("HSConst")]
+HS_OUTPUT HS(InputPatch<VS_OUTPUT, 4> ip, uint id : SV_OutputControlPointID)
+{
+    HS_OUTPUT output;
+    output.cpoint = ip[id].cpoint;
+    return output;
+}
+
+[domain("isoline")]
+DS_OUTPUT DS(HS_CONSTANT_OUTPUT input, OutputPatch<HS_OUTPUT, 4> op, float2 uv : SV_DomainLocation)
+{
+    DS_OUTPUT output;
+
+    float t = uv.x;
+
+    float3 pos = pow(1.0f - t, 3.0f) * op[0].cpoint + 3.0f * pow(1.0f - t, 2.0f) * t * op[1].cpoint + 3.0f * (1.0f - t) * pow(t, 2.0f) * op[2].cpoint + pow(t, 3.0f) * op[3].cpoint;
+
+    output.position = float4(pos, 1.0f);
+
+    return output;
+}
+
+float4 PS(DS_OUTPUT input) : SV_Target0
+{
+    return float4(0.0f, 0.0f, 0.0f, 1.0f);
+}
+\ No newline at end of file