1$input a_position, a_texcoord0, a_color0 2$output v_texcoord0, v_texcoord1, v_texcoord2, v_texcoord3, v_color0 3 4// license:LGPL-2.1+ 5// copyright-holders:Jules Blok,Cameron Zemek,Maxim Stepin 6 7#include "common.sh" 8 9// Autos 10uniform vec4 u_tex_size0; 11 12void main() 13{ 14 gl_Position = mul(u_viewProj, vec4(a_position.xy, 0.0, 1.0)); 15 v_color0 = a_color0; 16 17 vec2 ps = vec2(1.0, 1.0) / u_tex_size0.xy; 18 float dx = ps.x; 19 float dy = ps.y; 20 21 // +----+----+----+ 22 // | | | | 23 // | w1 | w2 | w3 | 24 // +----+----+----+ 25 // | | | | 26 // | w4 | w5 | w6 | 27 // +----+----+----+ 28 // | | | | 29 // | w7 | w8 | w9 | 30 // +----+----+----+ 31 32 v_texcoord0 = a_texcoord0; 33 v_texcoord1 = a_texcoord0.xxxy + vec4(-dx, 0.0, dx, -dy); // w1 | w2 | w3 34 v_texcoord2 = a_texcoord0.xxxy + vec4(-dx, 0.0, dx, 0.0); // w4 | w5 | w6 35 v_texcoord3 = a_texcoord0.xxxy + vec4(-dx, 0.0, dx, dy); // w7 | w8 | w9 36} 37