Refactored deferred lights code, and skipping SSAA when sample count is 1

CodeWalker.Shaders/DirLightVS.hlsl

@@ -0,0 +1,30 @@
+#include "Common.hlsli"
+
+
+struct VS_Output
+{
+    float4 Pos : SV_POSITION;
+    float4 Screen : TEXCOORD0;
+};
+
+cbuffer VSLightVars : register(b0)
+{
+    float4x4 ViewProj;
+    float4 CameraPos;
+    uint LightType; //0=directional, 1=Point, 2=Spot, 4=Capsule
+    uint IsLOD; //useful or not?
+    uint Pad0;
+    uint Pad1;
+}
+
+
+VS_Output main(float4 ipos : POSITION)
+{
+    float3 opos = ipos.xyz;
+    float4 spos = mul(float4(opos, 1), ViewProj);
+    VS_Output output;
+    output.Pos = spos;
+    output.Screen = spos;
+    return output;
+}
+