libgender/fsh.cg

struct vertexOut {
   float4 HPosition   : POSITION;
   float4 TexCoord    : TEXCOORD0;
   float3 LightVec    : TEXCOORD1;
   float3 EyeVec      : TEXCOORD2;
   float3 WorldNormal : TEXCOORD3;
   float3 WorldView   : TEXCOORD4;
   float3 test1       : TEXCOORD5;
   float3 test2       : TEXCOORD6;
};

struct pixelOut {
   float3 col   : COLOR;
   float  depth : DEPTH;
};

pixelOut main(vertexOut IN, uniform sampler2D Texture)
{
   pixelOut OUT;

   half SpecExpon = 200;
   float4 LightColor = { 1, 1, 1, 1 };
   float4 diffuse_color = tex2D (Texture, IN.TexCoord.xy);

   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);

   half3 litV = lit (ldn, hdn, SpecExpon);
   half3 diffContrib = diffuse_color * ((litV.y + 0.3) * LightColor + glstate.lightmodel.ambient);
   half3 specContrib = litV.y * litV.z * LightColor;
   half4 result = (diffContrib + specContrib).xyzx;
   //half3 result = diffuse_color * litV.y + LightColor * litV.z;

   OUT.col = result.xyz;
   //float depth = IN.HPosition.z / IN.HPosition.w;
   //OUT.depth = 0.5 * depth + 0.5;
   return OUT;
}

Revision:	1.25
Committed:	Fri Oct 29 15:59:20 2004 UTC (21 years, 10 months ago) by root
Branch:	MAIN
CVS Tags:	HEAD
Changes since 1.24:	+0 -0 lines
State:	*FILE REMOVED*
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	1.16	float3 test1 : TEXCOORD5;
9			float3 test2 : TEXCOORD6;
10	root	1.2	};
11	root	1.1
12			struct pixelOut {
13	root	1.24	float3 col : COLOR;
14	root	1.23	float depth : DEPTH;
15	root	1.1	};
16	root	1.3
17	root	1.15	pixelOut main(vertexOut IN, uniform sampler2D Texture)
18	root	1.1	{
19	root	1.12	pixelOut OUT;
20	root	1.8
21	root	1.12	half SpecExpon = 200;
22	root	1.5	float4 LightColor = { 1, 1, 1, 1 };
23	root	1.15	float4 diffuse_color = tex2D (Texture, IN.TexCoord.xy);
24	root	1.3
25	root	1.12	half3 Ln = normalize (IN.LightVec);
26			half3 Nn = normalize (IN.WorldNormal);
27			half3 Vn = normalize (IN.WorldView);
28
29			half3 Hn = normalize (Ln + Vn);
30			half ldn = dot (Ln, Nn);
31			half hdn = dot (Hn, Nn);
32	root	1.8
33	root	1.22	half3 litV = lit (ldn, hdn, SpecExpon);
34			half3 diffContrib = diffuse_color * ((litV.y + 0.3) * LightColor + glstate.lightmodel.ambient);
35			half3 specContrib = litV.y * litV.z * LightColor;
36			half4 result = (diffContrib + specContrib).xyzx;
37			//half3 result = diffuse_color * litV.y + LightColor * litV.z;
38	root	1.8
39	root	1.24	OUT.col = result.xyz;
40	root	1.22	//float depth = IN.HPosition.z / IN.HPosition.w;
41			//OUT.depth = 0.5 * depth + 0.5;
42	root	1.9	return OUT;
43	root	1.1	}
44