guiShader.vs

#version 400 core

in vec3 position;
in vec2 texCoord;

out vec2 pass_texCoords;

uniform mat4 orthoMatrix;
uniform mat4 modelMatrix;

void main(void) {
    pass_texCoords = texCoord;

    gl_Position = orthoMatrix * (modelMatrix * vec4(position,1.0));
}