1#version 120
2
3// Attributes.
4attribute float attr_brightness;
5attribute vec2 attr_dither_texture_position;
6attribute vec2 attr_position;
7attribute vec2 attr_texture_offset;
8attribute vec2 attr_texture_position;
9
10uniform float u_z_value;
11
12// Output of vertex shader.
13varying float var_brightness;
14varying vec2 var_dither_texture_position;
15varying vec2 var_texture_offset;
16varying vec2 var_texture_position;
17
18void main() {
19	var_brightness = attr_brightness;
20	var_dither_texture_position = attr_dither_texture_position;
21	var_texture_offset = attr_texture_offset;
22	var_texture_position = attr_texture_position;
23	gl_Position = vec4(attr_position, u_z_value, 1.);
24}
25