From 9425d0670a9280110972ee17a010ee704f2ba98a Mon Sep 17 00:00:00 2001
From: "Unknown W. Brackets" <checkins@unknownbrackets.org>
Date: Sun, 27 Nov 2022 21:24:02 -0800
Subject: [PATCH] GPU: Prevent decimating CLUT framebuffers.

Fixes color changing after a few moments in Kurohyo.
---
 GPU/Common/TextureCacheCommon.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/GPU/Common/TextureCacheCommon.cpp b/GPU/Common/TextureCacheCommon.cpp
index 6234740d50..a6c1582606 100644
--- a/GPU/Common/TextureCacheCommon.cpp
+++ b/GPU/Common/TextureCacheCommon.cpp
@@ -1274,6 +1274,8 @@ void TextureCacheCommon::LoadClut(u32 clutAddr, u32 loadBytes) {
 					if (matchRange && !inMargin && offset < (int)clutRenderOffset_) {
 						WARN_LOG_N_TIMES(clutfb, 5, G3D, "Detected LoadCLUT(%d bytes) from framebuffer %08x (%s), byte offset %d", loadBytes, fb_address, GeBufferFormatToString(framebuffer->fb_format), offset);
 						framebuffer->last_frame_clut = gpuStats.numFlips;
+						// Also mark used so it's not decimated.
+						framebuffer->last_frame_used = gpuStats.numFlips;
 						framebuffer->usageFlags |= FB_USAGE_CLUT;
 						bestClutAddress = framebuffer->fb_address;
 						clutRenderOffset_ = (u32)offset;