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comparison pytouhou/ui/shaders/eosd.py @ 370:74471afbac37

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Add a programmable pipeline renderer, and a --fixed-pipeline switch to use the old one.
author Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
date Fri, 27 Jul 2012 18:43:48 +0200
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children 346614f788f1
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369:f305cdd6f6c5 370:74471afbac37
1 # -*- encoding: utf-8 -*-
2 ##
3 ## Copyright (C) 2012 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
4 ##
5 ## This program is free software; you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published
7 ## by the Free Software Foundation; version 3 only.
8 ##
9 ## This program is distributed in the hope that it will be useful,
10 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
11 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 ## GNU General Public License for more details.
13 ##
14
15
16 from pytouhou.ui.shader import Shader
17
18
19 class GameShader(Shader):
20 def __init__(self):
21 Shader.__init__(self, ['''
22 #version 120
23
24 uniform mat4 mvp;
25
26 void main()
27 {
28 gl_Position = mvp * gl_Vertex;
29 gl_FrontColor = gl_Color;
30 gl_TexCoord[0] = gl_MultiTexCoord0;
31 }
32 '''], [ '''
33 #version 120
34
35 uniform sampler2D color_map;
36
37 void main()
38 {
39 gl_FragColor = texture2D(color_map, gl_TexCoord[0].st) * gl_Color;
40 }
41 '''])
42
43
44 class BackgroundShader(Shader):
45 def __init__(self):
46 Shader.__init__(self, ['''
47 #version 120
48
49 uniform mat4 model_view;
50 uniform mat4 projection;
51
52 varying float fog_density;
53
54 void main()
55 {
56 gl_Position = model_view * gl_Vertex;
57 gl_FrontColor = gl_Color;
58 gl_TexCoord[0] = gl_MultiTexCoord0;
59
60 float fog_position = -gl_Position.z / gl_Position.w;
61 fog_density = clamp((gl_Fog.end - fog_position) * gl_Fog.scale, 0.0f, 1.0f);
62
63 gl_Position = projection * gl_Position;
64 }
65 '''], [ '''
66 #version 120
67
68 uniform sampler2D color_map;
69
70 varying float fog_density;
71
72 void main()
73 {
74 vec4 color = texture2D(color_map, gl_TexCoord[0].st) * gl_Color;
75 gl_FragColor = mix(gl_Fog.color, color, fog_density);
76 gl_FragColor.w = color.w;
77 }
78 '''])