HLSL: Add SampleLevel method

Test/hlsl.samplelevel.basic.dx10.vert

@@ -0,0 +1,49 @@
+SamplerState       g_sSamp : register(s0);
+
+Texture1D          g_tTex1df4a : register(t1);
+
+uniform Texture1D <float4> g_tTex1df4 : register(t0);
+Texture1D <int4>   g_tTex1di4;
+Texture1D <uint4>  g_tTex1du4;
+
+Texture2D <float4> g_tTex2df4;
+Texture2D <int4>   g_tTex2di4;
+Texture2D <uint4>  g_tTex2du4;
+
+Texture3D <float4> g_tTex3df4;
+Texture3D <int4>   g_tTex3di4;
+Texture3D <uint4>  g_tTex3du4;
+
+TextureCube <float4> g_tTexcdf4;
+TextureCube <int4>   g_tTexcdi4;
+TextureCube <uint4>  g_tTexcdu4;
+
+struct VS_OUTPUT
+{
+    float4 Pos : SV_Position;
+};
+
+VS_OUTPUT main()
+{
+   VS_OUTPUT vsout;
+
+   float4 txval10 = g_tTex1df4 . SampleLevel(g_sSamp, 0.1, 0.75);
+   int4   txval11 = g_tTex1di4 . SampleLevel(g_sSamp, 0.2, 0.75);
+   uint4  txval12 = g_tTex1du4 . SampleLevel(g_sSamp, 0.3, 0.75);
+
+   float4 txval20 = g_tTex2df4 . SampleLevel(g_sSamp, float2(0.1, 0.2), 0.75);
+   int4   txval21 = g_tTex2di4 . SampleLevel(g_sSamp, float2(0.3, 0.4), 0.75);
+   uint4  txval22 = g_tTex2du4 . SampleLevel(g_sSamp, float2(0.5, 0.6), 0.75);
+
+   float4 txval30 = g_tTex3df4 . SampleLevel(g_sSamp, float3(0.1, 0.2, 0.3), 0.75);
+   int4   txval31 = g_tTex3di4 . SampleLevel(g_sSamp, float3(0.4, 0.5, 0.6), 0.75);
+   uint4  txval32 = g_tTex3du4 . SampleLevel(g_sSamp, float3(0.7, 0.8, 0.9), 0.75);
+
+   float4 txval40 = g_tTexcdf4 . SampleLevel(g_sSamp, float3(0.1, 0.2, 0.3), 0.75);
+   int4   txval41 = g_tTexcdi4 . SampleLevel(g_sSamp, float3(0.4, 0.5, 0.6), 0.75);
+   uint4  txval42 = g_tTexcdu4 . SampleLevel(g_sSamp, float3(0.7, 0.8, 0.9), 0.75);
+
+   vsout.Pos = float4(0,0,0,0);
+
+   return vsout;
+}