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;
   float3 WorldView   : TEXCOORD4;
};

vertexOut main(vertexIn IN)
{
   vertexOut OUT;

   float4 LightPos = { 0, 2, 1000, 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.WorldView   = normalize (glstate.matrix.invtrans.projection[3].xyz - 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:	1.9
Committed:	Wed Oct 6 00:23:27 2004 UTC (19 years, 8 months ago) by root
Branch:	MAIN
Changes since 1.8:	+4 -2 lines
Log Message:	* empty log message *
#	Content
1	struct vertexIn {
2	float4 Position : POSITION;
3	float4 Normal : NORMAL;
4	float4 UV : TEXCOORD0;
5	};
6
7	struct vertexOut {
8	float4 HPosition : POSITION;
9	float4 TexCoord : TEXCOORD0;
10	float3 LightVec : TEXCOORD1;
11	float3 EyeVec : TEXCOORD2;
12	float3 WorldNormal : TEXCOORD3;
13	float3 WorldView : TEXCOORD4;
14	};
15
16	vertexOut main(vertexIn IN)
17	{
18	vertexOut OUT;
19
20	float4 LightPos = { 0, 2, 1000, 1 };
21
22	float3 wpos = mul (glstate.matrix.modelview[0], IN.Position).xyz;
23
24	OUT.WorldNormal = normalize (mul (glstate.matrix.invtrans.modelview[0], IN.Normal).xyz);
25	OUT.EyeVec = normalize (wpos);
26	OUT.WorldView = normalize (glstate.matrix.invtrans.projection[3].xyz - wpos);
27	OUT.LightVec = normalize (mul (glstate.matrix.modelview[0], LightPos).xyz - wpos);
28	OUT.HPosition = mul (glstate.matrix.mvp, IN.Position);
29	OUT.TexCoord = IN.UV;
30
31	return OUT;
32	}
33