From 5c81c7111697d1216f3d704e7c19f3930071c4b8 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Tue, 9 Dec 2025 09:51:53 +0100
Subject: [PATCH] Move constant buffer init for instanced draws only, others do
 it in all paths

---
 Source/Engine/Renderer/RenderList.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Engine/Renderer/RenderList.cpp b/Source/Engine/Renderer/RenderList.cpp
index ace6f9342..544438bb5 100644
--- a/Source/Engine/Renderer/RenderList.cpp
+++ b/Source/Engine/Renderer/RenderList.cpp
@@ -917,10 +917,10 @@ void RenderList::ExecuteDrawCalls(const RenderContext& renderContext, DrawCallsL
     perDraw.DrawPadding = Float3::Zero;
     GPUConstantBuffer* perDrawCB = IMaterial::BindParameters::PerDrawConstants;
     context->BindCB(2, perDrawCB); // TODO: use rootSignature/pushConstants on D3D12/Vulkan
-    context->UpdateCB(perDrawCB, &perDraw);
     constexpr int32 vbMax = ARRAY_COUNT(DrawCall::Geometry.VertexBuffers);
     if (useInstancing)
     {
+        context->UpdateCB(perDrawCB, &perDraw);
         GPUBuffer* vb[vbMax + 1];
         uint32 vbOffsets[vbMax + 1];
         vb[3] = _instanceBuffer.GetBuffer(); // Pass object index in a vertex stream at slot 3 (used by VS in Surface.shader)