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C-/C++-Quelltext

f2s main frag relief( v2f IN,
 uniform sampler2D rmtex:TEXUNIT0, // rm texture map
 uniform sampler2D colortex:TEXUNIT1, // color texture map
 uniform float4 lightpos, // light position in view space
 uniform float4 ambient, // ambient color
 uniform float4 diffuse, // diffuse color
 uniform float4 specular, // specular color
 uniform float2 planes, // near and far planes info
 uniform float tile, // tile factor
 uniform float depth) // scale factor for height-field depth
 {
 f2s OUT;
 float4 t,c; float3 p,v,l,s; float2 dp,ds,uv; float d;
 // ray intersect in view direction
 p = IN.vpos; // pixel position in eye space
 v = normalize(p); // view vector in eye space
 // view vector in tangent space
 s = normalize(float3(dot(v,IN.tangent.xyz),
 dot(v,IN.binormal.xyz),dot(IN.normal,-v)));
 // size and start position of search in texture space
 ds = s.xy*depth/s.z;
 dp = IN.texcoord*tile;
 ...