diff --git a/src/dxbc/dxbc_compiler.cpp b/src/dxbc/dxbc_compiler.cpp index cbe47837..cc3db954 100644 --- a/src/dxbc/dxbc_compiler.cpp +++ b/src/dxbc/dxbc_compiler.cpp @@ -5177,6 +5177,8 @@ namespace dxvk { case DxbcSystemValue::ViewportId: { if (m_gs.builtinViewportId == 0) { + m_module.enableCapability(spv::CapabilityMultiViewport); + m_gs.builtinViewportId = emitNewBuiltinVariable({ { DxbcScalarType::Uint32, 1, 0 }, spv::StorageClassOutput },