layout (location = 0) in vec2 Position;

out vec2 Texcoord;

void main()
{
    Texcoord = Position * vec2(0.5) + vec2(0.5);// Map from [-1, +1] to [0, 1].
    // The Gfx library is written to work with the glTF sample models, which
    // seem to want the textures loaded "as is" without flipping. Flip the
    // y-coordinate here so that the texture appears as expected.
    Texcoord.y = 1.0 - Texcoord.y;
    gl_Position = vec4(Position, 0.0, 1.0);
}