#version 450 core #extension GL_EXT_spirv_intrinsics: enable #define GL_ARB_shader_stencil_export 1 spirv_execution_mode(5027); // StencilRefReplacingEXT spirv_decorate(extensions = ["SPV_EXT_shader_stencil_export"], capabilities = [5013], 11, 5014) out int gl_FragStencilRef; layout(location = 0) in flat int color; void main() { gl_FragStencilRef = color; }