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/**
* @file simpleV.glsl
*
* $LicenseInfo:firstyear=2007&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2007, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
uniform mat3 normal_matrix;
uniform mat4 texture_matrix0;
uniform mat4 modelview_matrix;
uniform mat4 modelview_projection_matrix;
ATTRIBUTE vec3 position;
void passTextureIndex();
ATTRIBUTE vec2 texcoord0;
ATTRIBUTE vec3 normal;
uniform vec4 color;
uniform vec4 object_plane_t;
uniform vec4 object_plane_s;
vec4 calcLighting(vec3 pos, vec3 norm, vec4 color);
void calcAtmospherics(vec3 inPositionEye);
VARYING vec4 vertex_color;
VARYING vec2 vary_texcoord0;
vec4 texgen_object(vec4 vpos, vec4 tc, mat4 mat, vec4 tp0, vec4 tp1)
{
vec4 tcoord;
tcoord.x = dot(vpos, tp0);
tcoord.y = dot(vpos, tp1);
tcoord.z = tc.z;
tcoord.w = tc.w;
tcoord = mat * tcoord;
return tcoord;
}
void main()
{
//transform vertex
vec4 vert = vec4(position.xyz,1.0);
passTextureIndex();
vec4 pos = (modelview_matrix * vert);
gl_Position = modelview_projection_matrix*vec4(position.xyz, 1.0);
vary_texcoord0.xy = texgen_object(vec4(position.xyz, 1.0), vec4(texcoord0,0,1), texture_matrix0, object_plane_s, object_plane_t).xy;
vec3 norm = normalize(normal_matrix * normal);
calcAtmospherics(pos.xyz);
vec4 color = calcLighting(pos.xyz, norm, color);
vertex_color = color;
}
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