1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
return {
definitions = {
Spring.GetConfigInt("HighResInfoTexture") and "#define HIGH_QUALITY" or "",
},
vertex = [[
#version 410 core
layout(location = 0) in vec3 aVertexPos;
layout(location = 1) in vec2 aTexCoords;
out vec2 vTexCoords;
void main() {
vTexCoords = aTexCoords;
gl_Position = vec4(aVertexPos, 1.0);
}
]],
fragment = [[
#version 410 core
#ifdef HIGH_QUALITY
#extension GL_ARB_texture_query_lod : enable
#endif
uniform sampler2D tex0;
uniform sampler2D tex1;
in vec2 vTexCoords;
layout(location = 0) out vec4 fFragColor;
mat4 COLORMATRIX0 = mat4(0.00, 3.00, 1.80, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
mat4 COLORMATRIX1 = mat4(0.90, 0.00, 0.00, 1.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 1.0);
#ifdef HIGH_QUALITY
//! source: http://www.ozone3d.net/blogs/lab/20110427/glsl-random-generator/
float rand(vec2 n)
{
return fract(sin(dot(n.xy, vec2(12.9898, 78.233)))* 43758.5453);
}
//! source: http://www.iquilezles.org/www/articles/texture/texture.htm
vec4 getTexel(sampler2D tex, vec2 p)
{
int lod = int(textureQueryLOD(tex, p).x);
vec2 texSize = vec2(textureSize(tex, lod)) * 0.5;
p = p * texSize + 0.5;
vec2 i = floor(p);
vec2 f = p - i;
vec2 ff = f*f;
f = ff * f * ((ff * 6.0 - f * 15.0) + 10.0);
p = i + f;
p = (p - 0.5) / texSize;
vec2 off = vec2(0.0);
vec4 c = vec4(0.0);
off = (vec2(rand(p.st + off),rand(p.ts + off)) * 2.0 - 1.0) / texSize; c += texture(tex, p + off * 0.5);
off = (vec2(rand(p.st + off),rand(p.ts + off)) * 2.0 - 1.0) / texSize; c += texture(tex, p + off * 0.5);
off = (vec2(rand(p.st + off),rand(p.ts + off)) * 2.0 - 1.0) / texSize; c += texture(tex, p + off * 0.5);
off = (vec2(rand(p.st + off),rand(p.ts + off)) * 2.0 - 1.0) / texSize; c += texture(tex, p + off * 0.5);
return c * 0.15;
}
#else
#define getTexel texture
#endif
void main() {
fFragColor = vec4(0.0, 0.0, 0.0, 1.0);
fFragColor += COLORMATRIX0 * texture(tex0, vTexCoords);
fFragColor += COLORMATRIX1 * getTexel(tex1, vTexCoords);
fFragColor.a = 0.25;
}
]],
uniformInt = {
tex0 = 0,
tex1 = 1,
tex2 = 2,
tex3 = 3,
},
textures = {
[0] = "$info:metal",
[1] = "$info:metalextraction",
},
}
|
