From 7b275ebab6726e1c4b07afd5c4272b1bcae1bc32 Mon Sep 17 00:00:00 2001
From: Bill Currie <bill@taniwha.org>
Date: Thu, 5 May 2022 21:24:22 +0900
Subject: [PATCH] [vulkan] Don't update lights that don't exist

However, the lighting pass still needs to be run in order to generate
the solid color image.
---
 libs/video/renderer/vulkan/vulkan_lighting.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libs/video/renderer/vulkan/vulkan_lighting.c b/libs/video/renderer/vulkan/vulkan_lighting.c
index f31322159..ce61d83c2 100644
--- a/libs/video/renderer/vulkan/vulkan_lighting.c
+++ b/libs/video/renderer/vulkan/vulkan_lighting.c
@@ -148,7 +148,9 @@ Vulkan_Lighting_Draw (qfv_renderframe_t *rFrame)
 	if (!lctx->scene) {
 		return;
 	}
-	update_lights (ctx);
+	if (lctx->scene->lights) {
+		update_lights (ctx);
+	}
 
 	__auto_type cframe = &ctx->frames.a[ctx->curFrame];
 	lightingframe_t *lframe = &lctx->frames.a[ctx->curFrame];