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-rwbuffer.shader_test

@@ -0,0 +1,107 @@
+[require]
+shader model >= 5.0
+
+% UAVs are implicitly allocated starting from the highest render target slot.
+% They cannot overlap render target slots, and also cannot be allocated any
+% lower than the highest render target.
+% This ceases to be true with shader model 5.1.
+
+[render target 1]
+format r32g32b32a32 float
+size (640, 480)
+
+[pixel shader]
+struct s
+{
+    float3 a;
+};
+
+RWBuffer<float4> u : register(u2);
+RWBuffer<float> u1;
+RWBuffer<float2x2> u2;
+RWBuffer<struct s> u3;
+
+float4 main() : sv_target1
+{
+    u[0] = float4(11.1, 12.2, 13.3, 14.4);
+    return 0;
+}
+
+% Type size is too wide
+[pixel shader fail]
+struct s
+{
+    float3 a;
+    float2 b;
+};
+RWBuffer<struct s> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+[pixel shader fail todo]
+RWBuffer<double3> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+[pixel shader]
+RWBuffer<double2> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+% Array type
+[pixel shader fail]
+typedef float arr[2];
+RWBuffer<arr> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+% Object types
+[pixel shader fail]
+RWBuffer<Texture2D> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+[pixel shader fail]
+struct s
+{
+    Texture2D t;
+};
+RWBuffer<struct s> u;
+
+float4 main() : sv_target1
+{
+    return 0;
+}
+
+[buffer uav 2]
+size (1, 1)
+
+0.1 0.2 0.3 0.4
+
+[pixel shader]
+RWBuffer<float4> u : register(u2);
+
+float4 main() : sv_target1
+{
+    u[0] = float4(11.1, 12.2, 13.3, 14.4);
+    return 0;
+}
+
+[test]
+draw quad
+probe buffer uav 2 (0, 0) rgba (11.1, 12.2, 13.3, 14.4)