source: trunk/tools/neercs/video/blurh.lolfx @ 1672

Last change on this file since 1672 was 1672, checked in by rez, 8 years ago

postfx optimization

File size: 844 bytes
Line 
1-- GLSL.Vert --
2
3#version 120
4
5void main()
6        {
7        gl_Position=gl_Vertex;
8        gl_TexCoord[0]=gl_MultiTexCoord0;
9        }
10
11-- GLSL.Frag --
12
13#version 120
14
15uniform sampler2D texture;
16uniform vec2 radius;
17
18void main(void)
19        {
20        vec4 total=vec4(0.0);
21        vec2 p=gl_TexCoord[0].xy;
22        float mask=2.0-p.x*(6.0-p.x*6.0)*p.y*(6.0-p.y*6.0);
23        float b=radius.x+radius.y*mask;
24        total+=texture2D(texture,vec2(p.x-b*4.0,p.y))*0.04;
25        total+=texture2D(texture,vec2(p.x-b*3.0,p.y))*0.08;
26        total+=texture2D(texture,vec2(p.x-b*2.0,p.y))*0.12;
27        total+=texture2D(texture,vec2(p.x-b    ,p.y))*0.16;
28        total+=texture2D(texture,vec2(p.x      ,p.y))*0.20;
29        total+=texture2D(texture,vec2(p.x+b    ,p.y))*0.16;
30        total+=texture2D(texture,vec2(p.x+b*2.0,p.y))*0.12;
31        total+=texture2D(texture,vec2(p.x+b*3.0,p.y))*0.08;
32        total+=texture2D(texture,vec2(p.x+b*4.0,p.y))*0.04;
33        gl_FragColor=total;
34        }
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