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/uav-out-param.shader_test

@@ -0,0 +1,55 @@
+[require]
+shader model >= 5.0
+
+[uav 0]
+format r32g32b32a32 float
+size (1, 1)
+
+0.1 0.2 0.3 0.4
+
+[compute shader]
+
+RWTexture2D<float4> u;
+
+void func(out float4 f)
+{
+    f.x = 0.1;
+    f.y = 0.2;
+    f.z = 0.3;
+    f.w = 0.4;
+}
+
+    [numthreads(1, 1, 1)]
+void main()
+{
+    func(u[uint2(0, 0)].yzwx);
+}
+
+[test]
+dispatch 1 1 1
+probe uav 0 (0, 0) rgba (0.4, 0.1, 0.2, 0.3)
+
+[uav 0]
+format r32 float
+size (1, 1)
+
+0.1
+
+[compute shader]
+
+RWTexture2D<float> u;
+
+void func(inout float f)
+{
+    f += 0.1;
+}
+
+    [numthreads(1, 1, 1)]
+void main()
+{
+    func(u[uint2(0, 0)]);
+}
+
+[test]
+dispatch 1 1 1
+probe uav 0 (0, 0) r (0.2)