#version 450 layout(xfb_stride = 32, xfb_offset = 16, xfb_buffer = 2, location = 0) out vec4 vFoo; layout(xfb_buffer = 1, xfb_stride = 20) out gl_PerVertex { layout(xfb_offset = 4) vec4 gl_Position; float gl_PointSize; }; layout(xfb_buffer = 3) out VertOut { layout(xfb_stride = 16, xfb_offset = 0, location = 1) vec4 vBar; }; void main() { gl_Position = vec4(1.0); vFoo = vec4(3.0); vBar = vec4(5.0); }