From d657fc9fa20fdb303d9927c42250e8990042e40a Mon Sep 17 00:00:00 2001
From: Henrik Rydgard <hrydgard@gmail.com>
Date: Wed, 2 Jan 2013 13:50:52 +0100
Subject: [PATCH] Disable clearing all the GPU's cache on
 sceKernelCacheWritebackAll, the performance penalty was too big.

---
 Core/HLE/sceKernel.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Core/HLE/sceKernel.cpp b/Core/HLE/sceKernel.cpp
index c750d09142..94eebea14a 100644
--- a/Core/HLE/sceKernel.cpp
+++ b/Core/HLE/sceKernel.cpp
@@ -246,7 +246,9 @@ int sceKernelDcacheInvalidateRange(u32 addr, int size)
 }
 int sceKernelDcacheWritebackAll()
 {
-	gpu->InvalidateCache(0, -1);
+  // Some games seem to use this a lot, it doesn't make sense
+  // to zap the whole texture cache.
+	// gpu->InvalidateCache(0, -1);
 	return 0;
 }
 int sceKernelDcacheWritebackRange(u32 addr, int size)