#version 450 core #extension GL_EXT_fragment_shading_rate : enable #extension GL_ARB_shader_stencil_export : enable #extension GL_ARB_fragment_shader_interlock : enable #extension GL_AMD_shader_early_and_late_fragment_tests : enable layout(location = 0) flat in int instanceIndex; layout(early_and_late_fragment_tests_amd) in; layout(depth_less) out float gl_FragDepth; void main() { gl_FragDepth = float(instanceIndex) / float(81); }