bc0724935e
git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@14395 178a84e3-b1eb-0310-8ba1-8eac791a3b58
45 lines
1.8 KiB
GLSL
45 lines
1.8 KiB
GLSL
// SuperTuxKart - a fun racing game with go-kart
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// Copyright (C) 2013 the SuperTuxKart team
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 3
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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uniform sampler2D tex_layout;
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uniform sampler2D tex_detail0;
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uniform sampler2D tex_detail1;
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uniform sampler2D tex_detail2;
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uniform sampler2D tex_detail3;
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uniform sampler2D tex_detail4;
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varying vec3 normal;
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varying vec3 lightdir2;
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varying vec4 vertex_color;
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void main()
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{
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vec4 splatting = texture2D(tex_layout, gl_TexCoord[1].st);
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vec4 detail0 = texture2D(tex_detail0, gl_TexCoord[0].st);
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vec4 detail1 = texture2D(tex_detail1, gl_TexCoord[0].st);
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vec4 detail2 = texture2D(tex_detail2, gl_TexCoord[0].st);
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vec4 detail3 = texture2D(tex_detail3, gl_TexCoord[0].st);
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vec4 detail4 = texture2D(tex_detail4, gl_TexCoord[0].st);
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gl_FragColor = (splatting.r * detail0 +
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splatting.g * detail1 +
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splatting.b * detail2 +
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(1.0 - splatting.r - splatting.g - splatting.b) * detail3 +
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(1.0 - splatting.a) * detail4)
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* min(1.0, 0.2 + dot(lightdir2, normal)) * vertex_color; // 0.2 is the ambient light.
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}
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