ProjectArcade
37 строк · 992.0 Байт
1#ifdef GL_ES
2precision mediump float;
3precision mediump int;
4#endif
5
6attribute vec4 a_position;
7attribute vec2 a_texcoord0;
8uniform vec2 u_texelDelta;
9uniform vec2 u_pixelDelta;
10
11varying vec4 v_texcoord0;
12varying vec4 v_texcoord1;
13varying vec4 v_texcoord2;
14varying vec4 v_texcoord3;
15varying vec4 v_texcoord4;
16varying vec4 v_texcoord5;
17varying vec4 v_texcoord6;
18
19void main()
20{
21float x = u_pixelDelta.x*((u_texelDelta.x/u_pixelDelta.x)/2.0);
22float y = u_pixelDelta.y*((u_texelDelta.y/u_pixelDelta.y)/2.0);
23vec2 dg1 = vec2( x,y);
24vec2 dg2 = vec2(-x,y);
25vec2 sd1 = dg1*0.5;
26vec2 sd2 = dg2*0.5;
27gl_Position = a_position;
28v_texcoord0=a_texcoord0.xyxy;
29v_texcoord1.xy = v_texcoord0.xy - sd1;
30v_texcoord2.xy = v_texcoord0.xy - sd2;
31v_texcoord3.xy = v_texcoord0.xy + sd1;
32v_texcoord4.xy = v_texcoord0.xy + sd2;
33v_texcoord5.xy = v_texcoord0.xy - dg1;
34v_texcoord6.xy = v_texcoord0.xy + dg1;
35v_texcoord5.zw = v_texcoord0.xy - dg2;
36v_texcoord6.zw = v_texcoord0.xy + dg2;
37}
38