rest-in-dust/assets/shaders/canvas_vertex.glsl

#version 130

in vec3 pos;
in vec4 color;
in vec2 tex_coord;

out vec4 _color;
out vec2 _tex_coord;

uniform mat4 proj;

void main() {
  gl_Position = proj * vec4(pos, 1.0);
  _color = color;
  _tex_coord = tex_coord;
}