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/cvs/cvsroot/libgender/material.C
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Comparing cvsroot/libgender/material.C (file contents):
Revision 1.21 by root, Sat Oct 30 15:59:20 2004 UTC vs.
Revision 1.23 by root, Sun Oct 31 22:54:49 2004 UTC

82 82
83 return name; 83 return name;
84} 84}
85 85
86test_material::test_material () 86test_material::test_material ()
87: tex ("textures/osama.jpg"), texvar (tex.name) 87//: tex ("textures/osama.jpg"), texvar (tex.name)
88: tex ("textures/rockwall.tga"), texvar (tex.name)
89, norm ("textures/rockwall_height.tga"), normvar (norm.name)
88{ 90{
89 using namespace shader::compile; 91 using namespace shader::compile;
90 92
91 p.vsh->start (); 93 p.vsh->start ();
92 94
93 temp_4f wpos; 95 temp_4f wpos;
94 96
95 wpos = model_view_projection_matrix * vin.vertex; 97 wpos = model_view_projection_matrix * vin.vertex;
98
99 //wpos = wpos / abs (w (wpos));
96 100
97 vout.position = wpos; 101 vout.position = wpos;
98 vout.tex_coord[0] = vin.tex_coord[0]; 102 vout.tex_coord[0] = vin.tex_coord[0];
99 vout.tex_coord[1] = model_view_matrix * shader::compile::vec4 (x(vin.normal), y(vin.normal), z(vin.normal), 0); 103 vout.tex_coord[1] = model_view_matrix * shader::compile::vec4 (x(vin.normal), y(vin.normal), z(vin.normal), 0);
100 vout.tex_coord[2] = lightpos - model_view_matrix * vin.vertex; 104 vout.tex_coord[2] = lightpos - model_view_matrix * vin.vertex;
103 p.vsh->compile (); 107 p.vsh->compile ();
104 108
105 p.fsh->start (); 109 p.fsh->start ();
106 110
107 temp_1f fac; 111 temp_1f fac;
108 112
113 temp_2f disp;
114
115 temp_1f dx, dy;
116
117 temp_1f bumpnormal;
118 dx = dFdx (texture_2d (normvar, fin.tex_coord[0]));
119 dy = dFdy (texture_2d (normvar, fin.tex_coord[0]));
120
121 disp = shader::compile::vec2 (dx, dy) * 0.1;
122
109 fac = max (dot (normalize (fin.tex_coord[1]), normalize (fin.tex_coord[2])), 0.0); 123 fac = dot (normalize (fin.tex_coord[1]), normalize (fin.tex_coord[2]));
124 //fac = dot (shader::compile::vec3 (normalize (fin.tex_coord[1]) + normalize (fin.tex_coord[2])) * 0.5, bumpnormal);
125 //fac = dot (bumpnormal, normalize (fin.tex_coord[2]));
110 fac = pow (fac, 0.5); 126 //fac = pow (max (fac, 0.0), 8);
111 xyz (fout.frag_color) = texture_2d (texvar, fin.tex_coord[0]) * max (fac, 0.4); 127 xyz (fout.frag_color) = (texture_2d (texvar, fin.tex_coord[0] - disp) + 0.1) * max (fac, 0.0);
112 128
113 p.fsh->end (); 129 p.fsh->end ();
114 p.fsh->compile (); 130 p.fsh->compile ();
115 p.link (); 131 p.link ();
116} 132}
118void test_material::enable (view &ctx) 134void test_material::enable (view &ctx)
119{ 135{
120 p.enable (); 136 p.enable ();
121 lightpos->set (vec3 (0, 0, 0)); 137 lightpos->set (vec3 (0, 0, 0));
122 texvar->enable (); 138 texvar->enable ();
139 normvar->enable ();
123} 140}
124 141
125void test_material::disable (view &ctx) 142void test_material::disable (view &ctx)
126{ 143{
144 normvar->disable ();
127 texvar->disable (); 145 texvar->disable ();
128 p.disable (); 146 p.disable ();
129} 147}
130 148

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