From 27f0e49e2fe26efc2b56a1ae13ebf07b91723a9a Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Sun, 20 Sep 2026 02:39:17 -0400
Subject: [PATCH] [MG_Backend] (Disaggregated): preserve indirect base-instance
 bits in draw payload

---
 MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp b/MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
index 476ec41e..77819aaf 100644
--- a/MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
+++ b/MobileGL/MG_Backend/DirectVulkan/DirectVulkan.cpp
@@ -318,7 +318,7 @@ namespace MobileGL::MG_Backend::DirectVulkan {
                     DrawElementsIndirectCommand command{};
                     Memcpy(&command, bytes.data() + static_cast<SizeT>(i) * stride, sizeof(command));
                     params[i] = {command.count, command.instanceCount, command.firstIndex,
-                                 command.baseVertex, command.baseInstance};
+                                 command.baseVertex, std::bit_cast<Int32>(command.baseInstance)};
                     const Uint64 end = (static_cast<Uint64>(command.firstIndex) + command.count) * indexSize;
                     if (end > std::numeric_limits<SizeT>::max()) return;
                     payload.indexBufferView.indexByteSize = std::max<SizeT>(payload.indexBufferView.indexByteSize,