From 6d94de494ec0723d702254ae1a1347a66329ccd5 Mon Sep 17 00:00:00 2001
From: Eidolon <furyhunter600@gmail.com>
Date: Thu, 1 Jun 2023 05:07:24 -0500
Subject: [PATCH] hwr2: Only upload lighttable if currently valid

---
 src/hwr2/pass_resource_managers.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/hwr2/pass_resource_managers.cpp b/src/hwr2/pass_resource_managers.cpp
index a12cb19aa..550f5a015 100644
--- a/src/hwr2/pass_resource_managers.cpp
+++ b/src/hwr2/pass_resource_managers.cpp
@@ -181,8 +181,11 @@ void MainPaletteManager::upload_palette(Rhi& rhi, Handle<TransferContext> ctx)
 
 void MainPaletteManager::upload_lighttables(Rhi& rhi, Handle<TransferContext> ctx)
 {
-	tcb::span<const std::byte> colormap_bytes = tcb::as_bytes(tcb::span(colormaps, kPaletteSize * kLighttableRows));
-	rhi.update_texture(ctx, lighttable_, {0, 0, kPaletteSize, kLighttableRows}, PixelFormat::kR8, colormap_bytes);
+	if (colormaps != nullptr)
+	{
+		tcb::span<const std::byte> colormap_bytes = tcb::as_bytes(tcb::span(colormaps, kPaletteSize * kLighttableRows));
+		rhi.update_texture(ctx, lighttable_, {0, 0, kPaletteSize, kLighttableRows}, PixelFormat::kR8, colormap_bytes);
+	}
 
 	if (encoremap != nullptr)
 	{