tests/hlsl: Add a few extra structured buffer matrix load + swizzle tests.

Approved-by: Francisco Casas (@fcasas)
Approved-by: Elizabeth Figura (@zfigura)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1457

tests/hlsl/srv-structuredbuffer.shader_test

@@ -283,6 +283,47 @@ todo(sm<6 | msl) draw quad
 if(sm<6) probe(0, 0) rgba(7.0, 8.0, 9.0, 1.0)
 if(sm>=6) probe(0, 0) rgba(7.0, 9.0, 11.0, 1.0)
 
+[pixel shader todo]
+StructuredBuffer<float2x3> buf;
+
+uniform uint buf_idx;
+
+float4 main() : sv_target
+{
+    return float4(buf[buf_idx]._22_23_13, 1.0);
+}
+
+[test]
+uniform 0 uint 0
+todo(sm<6 | msl) draw quad
+probe (0, 0) f32(4.0, 6.0, 5.0, 1.0)
+
+uniform 0 uint 1
+todo(sm<6 | msl) draw quad
+probe (0, 0) f32(10.0, 12.0, 11.0, 1)
+
+[pixel shader todo]
+typedef row_major float2x3 rm_float2x3;
+StructuredBuffer<rm_float2x3> buf;
+
+uniform uint buf_idx;
+
+float4 main() : sv_target
+{
+    return float4(buf[buf_idx]._22_23_13, 1.0);
+}
+
+[test]
+uniform 0 uint 0
+todo(sm<6 | msl) draw quad
+if(sm<6) probe (0, 0) f32(5.0, 6.0, 3.0, 1.0)
+if(sm>=6) probe (0, 0) f32(4.0, 6.0, 5.0, 1.0)
+
+uniform 0 uint 1
+todo(sm<6 | msl) draw quad
+if(sm<6) probe (0, 0) f32(11.0, 12.0, 9.0, 1.0)
+if(sm>=6) probe (0, 0) f32(10.0, 12.0, 11.0, 1.0)
+
 [srv 0]
 stride 20
 size (buffer, 3)
@@ -430,3 +471,13 @@ probe (0, 0) rgba(0.0, 1.0, 2.0, 3.0)
 uniform 0 uint 1
 todo(sm<6 | msl) draw quad
 probe (0, 0) rgba(5.0, 6.0, 7.0, 8.0)
+
+% Check that an index load of a non-structured resource load
+% is not interpreted as a structured resource load.
+[pixel shader]
+Texture2D<float4> tex;
+
+float4 main() : sv_target
+{
+    return tex.Load(int3(1, 2, 3))[1];
+}