sockscape/resources/client/shaders/test.vert

#version 330 core
layout (location = 0) in vec4 aScreenCoords;
layout (location = 1) in vec2 aTexCoords;

out vec2 texCoords;

uniform mat4 orthoMatrix;

void main() {
    gl_Position = orthoMatrix * aScreenCoords;
    texCoords = aTexCoords;
}