tests: Move HLSL tests to a subdirectory.

Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Francisco Casas (@fcasas)
Approved-by: Henri Verbeet (@hverbeet)
Approved-by: Alexandre Julliard (@julliard)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/248

tests/hlsl/smoothstep.shader_test

@@ -0,0 +1,166 @@
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float4 a = {1, -1, -1, 10};
+    float4 b = {2, 1, 1, 20};
+    float4 x = {0.3, 0.4, 2, 15.4};
+
+    return smoothstep(a, b, x);
+}
+
+[test]
+draw quad
+probe all rgba (0, 0.784, 1.0, 0.559872) 1
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float a = 1;
+    float b = 2;
+    float4 x = {0.9, 1.2, 1.8, 2.1};
+
+    return smoothstep(a, b, x);
+}
+
+[test]
+draw quad
+probe all rgba (0, 0.104, 0.896, 1.000000) 5
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float4 a = {1, 10, 100, 1000};
+    float4 b = {2, 20, 200, 2000};
+    float x = 14;
+
+    return smoothstep(a, b, x);
+}
+
+[test]
+draw quad
+probe all rgba (1.0, 0.352, 0, 0) 1
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float2 a = {1, 10};
+    float3 b = {2, 20, 200};
+    float4 x = {1.4, 14, 140, 1400};
+
+    float2 res = smoothstep(a, b, x);
+    return float4(res, 0, 0);
+}
+
+[test]
+draw quad
+probe all rgba (0.352, 0.352, 0, 0) 1
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float3 a = {1, 10, 100};
+    float2 b = {2, 20};
+    float4 x = {1.4, 14, 140, 1400};
+
+    float2 res = smoothstep(a, b, x);
+    return float4(res, 0, 0);
+}
+
+[test]
+draw quad
+probe all rgba (0.352, 0.352, 0, 0) 1
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float4 a = {1, 10, 100, 1000};
+    float4 b = {2, 20, 200, 2000};
+    float2 x = {14, 140};
+
+    float2 res = smoothstep(a, b, x);
+    return float4(res, 0, 0);
+}
+
+[test]
+draw quad
+probe all rgba (1.0, 1.0, 0, 0) 1
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float2x3 a = {1, 1, 1, 1, 1, 1};
+    float3x2 b = {2, 2, 2, 2, 2, 2};
+    float4x2 x = {1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8};
+
+    float2x2 r = smoothstep(a, b, x);
+    return r;
+}
+
+[test]
+draw quad
+probe all rgba (0.028, 0.104, 0.216, 0.352) 6
+
+
+[pixel shader]
+// 4 division by zero warnings.
+// Only test compilation because result is implementation-dependent.
+float4 main() : sv_target
+{
+    float4 a = {0, 0, 0, 0};
+    float4 b = {-1, -1, 0, 0};
+    float4 x = {0, -0.25, 0, 1};
+
+    return smoothstep(a, b, x);
+}
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float4x1 a = {0.0, 0.0, 0.0, 0.0};
+    float b = 1.0;
+    float3x1 x = {0.5, 0.5, 0.5};
+
+    float3x1 r = smoothstep(a, b, x);
+    return float4(r, 0);
+}
+
+[test]
+draw quad
+probe all rgba (0.5, 0.5, 0.5, 0.0)
+
+
+[pixel shader]
+float4 main() : sv_target
+{
+    float4x1 a = {0.0, 0.0, 0.0, 0.0};
+    float2x2 b = {1.0, 1.0, 1.0, 1.0};
+    float3x1 x = {0.5, 0.5, 0.5};
+
+    float2x1 r = smoothstep(a, b, x);
+    return float4(r, r);
+}
+
+[test]
+draw quad
+probe all rgba (0.5, 0.5, 0.5, 0.5)
+
+
+[pixel shader fail]
+float4 main() : sv_target
+{
+    float2x2 a = {0.0, 0.0, 0.0, 0.0};
+    float4 b = 1.0;
+    float2x2 x = {0.5, 0.5, 0.5, 0.5};
+
+    smoothstep(a, b, x);
+    return 0;
+}