From c37c07825467a375ab09042dda78f7fb00ace578 Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Mon, 13 Sep 2021 00:07:01 -0700
Subject: [PATCH] Vulkan: Only force 32-bit if needed.

If there are mips already, we can keep 16-bit.
---
 GPU/Vulkan/TextureCacheVulkan.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/GPU/Vulkan/TextureCacheVulkan.cpp b/GPU/Vulkan/TextureCacheVulkan.cpp
index 35504f6d75..282035ddb4 100644
--- a/GPU/Vulkan/TextureCacheVulkan.cpp
+++ b/GPU/Vulkan/TextureCacheVulkan.cpp
@@ -757,8 +757,10 @@ void TextureCacheVulkan::BuildTexture(TexCacheEntry *const entry) {
 	if (g_Config.iTexFiltering == TEX_FILTER_AUTO_MAX_QUALITY) {
 		// Boost the number of mipmaps.
 		int maxPossibleMipmaps = log2i(std::min(gstate.getTextureWidth(0), gstate.getTextureHeight(0)));
-		maxLevelToGenerate = maxPossibleMipmaps;
-		dstFmt = VK_FORMAT_R8G8B8A8_UNORM;
+		if (maxPossibleMipmaps > maxLevelToGenerate) {
+			maxLevelToGenerate = maxPossibleMipmaps;
+			dstFmt = VK_FORMAT_R8G8B8A8_UNORM;
+		}
 	}
 
 	int scaleFactor = standardScaleFactor_;