pp_shader.vs

#version 430 core
layout(location = 0) in vec2 aPos;
layout(location = 1) in vec2 aTexCoords;
out vec2 TexCoords;

void
main()
{
  TexCoords   = vec2(aTexCoords.x, aTexCoords.y);
  gl_Position = vec4(aPos.x, aPos.y, 0.0, 1);
}