port from perforce

evoke-64k/ev10/cfg/vsfsquad.txt

@@ -0,0 +1,29 @@
+float4x4	matWVP				: register(c0);
+float4		res					: register(c5);
+float3		viewPos				: register(c4);
+float3		lightDir			: register(c6);
+float3x3	viewMatrixRotInv	: register(c7);
+float4		projScaleOffsetInv	: register(c11);
+
+struct vsOut
+{
+	float4 p : POSITION;
+	float2 t : TEXCOORD0;
+	float3 e : TEXCOORD1;
+	float2 l : TEXCOORD2;
+};
+
+vsOut vs_main(float4 p : POSITION)
+{
+	vsOut o = { p, p.xy, p.xyw, (float2)0.f };
+	o.p.xy += float2(-1.f, 1.f) * res.zw;
+	o.t = o.t * float2(.5f, -.5f) + .5f;
+	o.e.xy = o.e.xy * projScaleOffsetInv.xy + projScaleOffsetInv.zw;
+	o.e = mul(o.e, viewMatrixRotInv);
+	o.e.xy += float2(-1.f, 1.f) * res.zw;
+	// Compute light position
+	float4 lightPos = mul( float4(viewPos - lightDir, 1.0f), matWVP );
+	o.l = clamp( lightPos.xy / abs(lightPos.w), -1.f, 1.f );
+	o.l = o.l * float2(.5f, -.5f) + .5f;
+	return o;
+};