25 lines
443 B
GLSL
25 lines
443 B
GLSL
// -*-C++-*-
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#version 120
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varying vec3 vertex;
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varying vec3 viewDir;
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varying float flogz;
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void main()
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{
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vec4 ep = gl_ModelViewMatrixInverse * vec4(0.0,0.0,0.0,1.0);
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vertex = gl_Vertex.xyz;
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viewDir = normalize(vertex - ep.xyz);
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gl_Position = ftransform();
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// logarithmic depth
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flogz = 1.0 + gl_Position.w;
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gl_TexCoord[0] = gl_TextureMatrix[0] * gl_MultiTexCoord0;
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gl_FrontColor = vec4 (1.0,1.0,1.0,1.0);
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gl_BackColor = gl_FrontColor;
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}
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