From e3aefd7dded5dced921bba756a36d3fa22897639 Mon Sep 17 00:00:00 2001
From: Magnus Norddahl <dpjudas@users.noreply.github.com>
Date: Wed, 7 Feb 2024 18:30:25 +0100
Subject: [PATCH] Fix LODBias update bug when using bindless textures

---
 VulkanDrv/TextureManager.cpp      | 12 ++++++++++++
 VulkanDrv/TextureManager.h        |  1 +
 VulkanDrv/UVulkanRenderDevice.cpp |  1 +
 3 files changed, 14 insertions(+)

diff --git a/VulkanDrv/TextureManager.cpp b/VulkanDrv/TextureManager.cpp
index bb2dd48..9d8fbdb 100644
--- a/VulkanDrv/TextureManager.cpp
+++ b/VulkanDrv/TextureManager.cpp
@@ -61,6 +61,18 @@ void TextureManager::ClearCache()
 	}
 }
 
+void TextureManager::ClearAllBindlessIndexes()
+{
+	for (auto& cache : TextureCache)
+	{
+		for (auto& it : cache)
+		{
+			for (int& index : it.second->BindlessIndex)
+				index = -1;
+		}
+	}
+}
+
 void TextureManager::CreateNullTexture()
 {
 	auto cmdbuffer = renderer->Commands->GetTransferCommands();
diff --git a/VulkanDrv/TextureManager.h b/VulkanDrv/TextureManager.h
index 1dd44b4..1c4c4fc 100644
--- a/VulkanDrv/TextureManager.h
+++ b/VulkanDrv/TextureManager.h
@@ -16,6 +16,7 @@ class TextureManager
 	CachedTexture* GetTexture(FTextureInfo* info, bool masked);
 
 	void ClearCache();
+	void ClearAllBindlessIndexes();
 
 	std::unique_ptr<VulkanImage> NullTexture;
 	std::unique_ptr<VulkanImageView> NullTextureView;
diff --git a/VulkanDrv/UVulkanRenderDevice.cpp b/VulkanDrv/UVulkanRenderDevice.cpp
index cfebf02..ce13f95 100644
--- a/VulkanDrv/UVulkanRenderDevice.cpp
+++ b/VulkanDrv/UVulkanRenderDevice.cpp
@@ -576,6 +576,7 @@ void UVulkanRenderDevice::Unlock(UBOOL Blit)
 		if (Samplers->LODBias != LODBias)
 		{
 			DescriptorSets->ClearCache();
+			Textures->ClearAllBindlessIndexes();
 			Samplers->CreateSceneSamplers();
 		}