[ViewVC] Diff of: cvs/libgender/fsh.cg

Comparing libgender/fsh.cg (file contents):
Revision 1.9 by root, Tue Oct 5 11:06:06 2004 UTC vs.
Revision 1.12 by root, Wed Oct 6 00:22:42 2004 UTC

    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;   // output of the pixel shader
+   pixelOut OUT;
-   float SpecExpon = 120;
+   half SpecExpon = 200;
    float4 LightColor = { 1, 1, 1, 1 };
-   float3 Ln = IN.LightVec;
+   half3 Ln = normalize (IN.LightVec);
-   float3 Nn = IN.WorldNormal;
+   half3 Nn = normalize (IN.WorldNormal);
-   float3 Vn = IN.EyeVec;
+   half3 Vn = normalize (IN.WorldView);
-   float3 Hn = 0.5 * (Ln + Vn);
+   half3 Hn = normalize (Ln + Vn);
-   float ldn = dot (Ln, Nn);
+   half ldn = dot (Ln, Nn);
-   float hdn = dot (Hn, Nn);
+   half hdn = dot (Hn, Nn);
    // specialized "lit" function computes weights for
    // diffuse and specular parts:
-   float4 litV = lit (ldn, hdn, SpecExpon);
+   half4 litV = lit (ldn, hdn, SpecExpon);
-   float4 diffContrib = glstate.material.diffuse * (litV.y * LightColor + glstate.lightmodel.ambient);
+   half4 diffContrib = glstate.material.diffuse * (litV.y * LightColor + glstate.lightmodel.ambient);
-   float4 specContrib = litV.y * litV.z * LightColor;
+   half4 specContrib = litV.y * litV.z * LightColor;
-   float4 result = diffContrib + specContrib;
+   half4 result = diffContrib + specContrib;
    OUT.col = result;
    return OUT;
 }

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