libgender/fsh.cg

struct vertexOut {
   float4 HPosition   : POSITION;
   float4 TexCoord    : TEXCOORD0;
   float3 LightVec    : TEXCOORD1;
   float3 EyeVec      : TEXCOORD2;
   float3 WorldNormal : TEXCOORD3;
   float3 WorldView   : TEXCOORD4;
};

struct pixelOut {
   float4 col : COLOR;
};

pixelOut main(vertexOut IN)
{
   pixelOut OUT;

   half SpecExpon = 200;
   float4 LightColor = { 1, 1, 1, 1 };

   half3 Ln = normalize (IN.LightVec);
   half3 Nn = normalize (IN.WorldNormal);
   half3 Vn = normalize (IN.WorldView);
   
   half3 Hn = normalize (Ln + Vn);
   half ldn = dot (Ln, Nn);
   half hdn = dot (Hn, Nn);

   half4 litV = lit (ldn, hdn, SpecExpon);
   //half4 diffContrib = glstate.material.diffuse * (litV.y * LightColor + glstate.lightmodel.ambient);
   //half4 specContrib = litV.y * litV.z * LightColor;
   //half4 result = diffContrib + specContrib;
   half4 result = glstate.material.diffuse * litV.y + LightColor * litV.z;

   OUT.col = result;
   return OUT;
}

Revision:	1.13
Committed:	Wed Oct 6 00:33:42 2004 UTC (19 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.12:	+4 -5 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.2	struct vertexOut {
2	root	1.8	float4 HPosition : POSITION;
3			float4 TexCoord : TEXCOORD0;
4			float3 LightVec : TEXCOORD1;
5			float3 EyeVec : TEXCOORD2;
6			float3 WorldNormal : TEXCOORD3;
7	root	1.12	float3 WorldView : TEXCOORD4;
8	root	1.2	};
9	root	1.1
10			struct pixelOut {
11			float4 col : COLOR;
12			};
13	root	1.3
14	root	1.7	pixelOut main(vertexOut IN)
15	root	1.1	{
16	root	1.12	pixelOut OUT;
17	root	1.8
18	root	1.12	half SpecExpon = 200;
19	root	1.5	float4 LightColor = { 1, 1, 1, 1 };
20	root	1.3
21	root	1.12	half3 Ln = normalize (IN.LightVec);
22			half3 Nn = normalize (IN.WorldNormal);
23			half3 Vn = normalize (IN.WorldView);
24
25			half3 Hn = normalize (Ln + Vn);
26			half ldn = dot (Ln, Nn);
27			half hdn = dot (Hn, Nn);
28	root	1.8
29	root	1.12	half4 litV = lit (ldn, hdn, SpecExpon);
30	root	1.13	//half4 diffContrib = glstate.material.diffuse * (litV.y * LightColor + glstate.lightmodel.ambient);
31			//half4 specContrib = litV.y * litV.z * LightColor;
32			//half4 result = diffContrib + specContrib;
33			half4 result = glstate.material.diffuse * litV.y + LightColor * litV.z;
34	root	1.8
35	root	1.5	OUT.col = result;
36	root	1.9	return OUT;
37	root	1.1	}
38