libgender/vsh.cg

struct vertexIn {
   float4 Position : POSITION;
   float4 Normal   : NORMAL;
   float4 UV       : TEXCOORD0;
};

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

vertexOut main(vertexIn IN)
{
   vertexOut OUT;

   float4 LightPos = { 0, 2, 5, 1 };

   float3 wpos = mul (glstate.matrix.modelview[0], IN.Position).xyz;

   OUT.WorldNormal = normalize (mul (glstate.matrix.invtrans.modelview[0], IN.Normal).xyz);
   OUT.EyeVec      = -normalize (wpos);
   OUT.LightVec    = normalize (mul (glstate.matrix.modelview[0], LightPos).xyz - wpos);
   OUT.HPosition   = mul (glstate.matrix.mvp, IN.Position);
   OUT.TexCoord    = IN.UV;

   return OUT;
}

Revision:	1.8
Committed:	Tue Oct 5 11:25:19 2004 UTC (19 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.7:	+5 -3 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	struct vertexIn {
2	root	1.6	float4 Position : POSITION;
3			float4 Normal : NORMAL;
4			float4 UV : TEXCOORD0;
5	root	1.1	};
6	root	1.6
7	root	1.1	struct vertexOut {
8	root	1.6	float4 HPosition : POSITION;
9			float4 TexCoord : TEXCOORD0;
10			float3 LightVec : TEXCOORD1;
11			float3 EyeVec : TEXCOORD2;
12			float3 WorldNormal : TEXCOORD3;
13	root	1.1	};
14
15	root	1.5	vertexOut main(vertexIn IN)
16	root	1.1	{
17	root	1.6	vertexOut OUT;
18
19	root	1.7	float4 LightPos = { 0, 2, 5, 1 };
20	root	1.6
21	root	1.8	float3 wpos = mul (glstate.matrix.modelview[0], IN.Position).xyz;
22
23			OUT.WorldNormal = normalize (mul (glstate.matrix.invtrans.modelview[0], IN.Normal).xyz);
24			OUT.EyeVec = -normalize (wpos);
25			OUT.LightVec = normalize (mul (glstate.matrix.modelview[0], LightPos).xyz - wpos);
26	root	1.7	OUT.HPosition = mul (glstate.matrix.mvp, IN.Position);
27	root	1.6	OUT.TexCoord = IN.UV;
28	root	1.5
29	root	1.6	return OUT;
30	root	1.1	}
31