1 files changed, 69 insertions, 0 deletions
diff --git a/materialsystem/stdshaders/lpreview1_ps2x.fxc b/materialsystem/stdshaders/lpreview1_ps2x.fxc
new file mode 100644
index 0000000..e7a1009
--- /dev/null
+++ b/materialsystem/stdshaders/lpreview1_ps2x.fxc
@@ -0,0 +1,69 @@
+// STATIC: "CONVERT_TO_SRGB" "0..1"	[ps20b][= g_pHardwareConfig->NeedsShaderSRGBConversion()] [PC]
+// STATIC: "CONVERT_TO_SRGB" "0..0"	[= 0] [XBOX]
+
+#define HDRTYPE HDR_TYPE_NONE
+#define HDRENABLED 0
+#include "common_ps_fxc.h"
+
+sampler AlbedoSampler	: register( s0 );
+sampler NormalSampler   : register( s1 );
+sampler PositionSampler : register( s2 );
+sampler AccBuf_In       : register( s3 );
+
+float4 EyePosition : register (c10);
+
+float4 Light_origin : register( c0 );
+#define INNER_COS (Light_origin.w)
+#define OUTER_COS (Light_dir.w)
+
+float4 Light_dir : register( c1 );
+
+float4 Light_attn : register (c2);
+#define QUADRATIC_ATTN (Light_attn.x)
+#define LINEAR_ATTN (Light_attn.y)
+#define CONSTANT_ATTN (Light_attn.z)
+#define SCALE_FACTOR (Light_attn.w)
+
+float3 Light_color: register(c3);
+
+struct PS_INPUT
+{
+	float2 texCoord				: TEXCOORD0;
+};
+
+
+float Lerp5(float f1, float f2, float i1, float i2, float x)
+{
+  return f1+(f2-f1)*(x-i1)/(i2-i1);
+}
+
+float4 main( PS_INPUT i ) : COLOR
+{
+	float4 normal=tex2D( NormalSampler, i.texCoord );
+	float4 albedo=tex2D( AlbedoSampler, i.texCoord );
+	float4 pos=tex2D( PositionSampler, i.texCoord );
+	float3 old_acc=tex2D( AccBuf_In, i.texCoord );
+//	pos.xyz+=EyePosition.xyz;
+
+	float3 ldir=Light_origin.xyz-pos.xyz;
+	float dist=sqrt(dot(ldir,ldir));
+	ldir=normalize(ldir);
+	float spot_dot=dot(ldir,-Light_dir);
+	float3 ret=Light_color*0.09*albedo.xyz;         // ambient
+	float dist_falloff=(SCALE_FACTOR/(QUADRATIC_ATTN*dist*dist+LINEAR_ATTN*dist+CONSTANT_ATTN));
+ 	if (spot_dot>OUTER_COS)
+ 	{
+		float falloff=1;
+		if (spot_dot<INNER_COS)
+		{
+			falloff=Lerp5(1,0,INNER_COS,OUTER_COS,spot_dot);
+		}
+		float dotprod=max(0,dot(ldir.xyz,normal.xyz));
+		ret+=dotprod*falloff*(Light_color*albedo.xyz);
+	}
+	else
+		dist_falloff=min(1,dist_falloff);
+	ret*=dist_falloff;
+//	ret=float3(1,0,0);
+	return FinalOutput( float4(ret+old_acc,1), 0, PIXEL_FOG_TYPE_NONE, TONEMAP_SCALE_NONE );
+}