/* * MIT License * Author: Mark Allyn * * phosphor.vert — vertex shader for the phosphor display pass. * Renders a fullscreen quad; the fragment shader clips to the * scope circle and maps the phosphor FBO to P7 colours. */ #version 330 core layout(location = 0) in vec2 aPos; // clip-space quad [-1,+1]^2 void main() { gl_Position = vec4(aPos, 0.0, 1.0); }