#version 450
out gl_PerVertex { vec4 gl_Position;};
void main() {/* cur_params = params_list[gl_InstanceID];
vec4 view = vec4(cur_params.view_origin, cur_params.view_size); view.xy /= 0.5 * screen_size_f.x; view.zw /= 0.5 * screen_size_f.y; view -= 1.0; view.yw *= -1.0;
vec2 point = view.xy; point += view.zw * vec2(float(gl_VertexID & 1), float((gl_VertexID & 2) >> 1));*/ vec2 point = vec2(float(gl_VertexIndex & 1) - 0.5, 0.5 - float(gl_VertexIndex >> 1)); point *= 2.0;
gl_Position = vec4(point, 0.0, 1.0);}