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/indra/newview/app_settings/shaders/class1/deferred/terrainV.glsl

https://bitbucket.org/lindenlab/viewer-beta/
Unknown | 73 lines | 59 code | 14 blank | 0 comment | 0 complexity | 4b58153ad4b253f4ffeae39937ef4078 MD5 | raw file
 1/** 
 2 * @file terrainV.glsl
 3 *
 4 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 5 * Second Life Viewer Source Code
 6 * Copyright (C) 2007, Linden Research, Inc.
 7 * 
 8 * This library is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation;
11 * version 2.1 of the License only.
12 * 
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 * 
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
21 * 
22 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
23 * $/LicenseInfo$
24 */
25
26uniform mat3 normal_matrix;
27uniform mat4 texture_matrix0;
28uniform mat4 modelview_projection_matrix;
29
30ATTRIBUTE vec3 position;
31ATTRIBUTE vec3 normal;
32ATTRIBUTE vec4 diffuse_color;
33ATTRIBUTE vec2 texcoord0;
34ATTRIBUTE vec2 texcoord1;
35
36VARYING vec3 vary_normal;
37
38VARYING vec4 vary_texcoord0;
39VARYING vec4 vary_texcoord1;
40
41uniform vec4 object_plane_s;
42uniform vec4 object_plane_t;
43
44vec4 texgen_object(vec4  vpos, vec4 tc, mat4 mat, vec4 tp0, vec4 tp1)
45{
46	vec4 tcoord;
47	
48	tcoord.x = dot(vpos, tp0);
49	tcoord.y = dot(vpos, tp1);
50	tcoord.z = tc.z;
51	tcoord.w = tc.w;
52	
53	tcoord = mat * tcoord; 
54	
55	return tcoord; 
56}
57
58void main()
59{
60	//transform vertex
61	gl_Position = modelview_projection_matrix * vec4(position.xyz, 1.0);
62			
63	vary_normal = normalize(normal_matrix * normal);
64	
65	// Transform and pass tex coords
66 	vary_texcoord0.xy = texgen_object(vec4(position, 1.0), vec4(texcoord0,0,1), texture_matrix0, object_plane_s, object_plane_t).xy;
67	
68	vec4 t = vec4(texcoord1,0,1);
69	
70	vary_texcoord0.zw = t.xy;
71	vary_texcoord1.xy = t.xy-vec2(2.0, 0.0);
72	vary_texcoord1.zw = t.xy-vec2(1.0, 0.0);
73}