LibGDX Default 2D Vertex Shader

default.vertex.glsl

// Based on https://github.com/libgdx/libgdx/blob/master/gdx/src/com/badlogic/gdx/graphics/g2d/SpriteBatch.java#L127
// Licensed under the LibGDX license: https://github.com/libgdx/libgdx/blob/master/LICENSE
attribute vec4 a_position;
attribute vec4 a_color;
attribute vec2 a_texCoord0;

uniform mat4 u_projTrans;
varying vec4 v_color;
varying vec2 v_texCoords;

void main() 
{
	v_color = a_color;
	v_color.a = v_color.a * (255.0/254.0);
	v_texCoords = a_texCoord0;
	gl_Position =  u_projTrans * a_position;
}