From 247b171eb04fc83973dcf15fa419f57e0d117f50 Mon Sep 17 00:00:00 2001
From: Henrik Rydgard <hrydgard@gmail.com>
Date: Fri, 18 Apr 2014 15:02:45 +0200
Subject: [PATCH] Temporarily (?) revert ffdba45b4bbd because of massive perf
 drop in GT, working around #5900

Not sure what to do about the Chinese Tactics Ogre though...
---
 GPU/GLES/GLES_GPU.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/GPU/GLES/GLES_GPU.cpp b/GPU/GLES/GLES_GPU.cpp
index 3c8790ca28..e41f9c3fb9 100644
--- a/GPU/GLES/GLES_GPU.cpp
+++ b/GPU/GLES/GLES_GPU.cpp
@@ -93,7 +93,7 @@ static const CommandTableEntry commandTable[] = {
 	{GE_CMD_TEXSIZE6, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexSizeN},
 	{GE_CMD_TEXSIZE7, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexSizeN},
 	{GE_CMD_TEXFORMAT, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexFormat},
-	{GE_CMD_TEXLEVEL, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE},
+	{GE_CMD_TEXLEVEL, FLAG_EXECUTEONCHANGE},
 	{GE_CMD_TEXADDR0, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexAddr0},
 	{GE_CMD_TEXADDR1, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexAddrN},
 	{GE_CMD_TEXADDR2, FLAG_FLUSHBEFOREONCHANGE | FLAG_EXECUTEONCHANGE, &GLES_GPU::Execute_TexAddrN},
@@ -1720,6 +1720,14 @@ void GLES_GPU::ExecuteOpInternal(u32 op, u32 diff) {
 #endif
 
 	case GE_CMD_TEXLEVEL:
+		// I had hoped that this would let us avoid excessively flushing in Gran Turismo, but not so,
+		// as the game switches rapidly between modes 0 and 1.
+		/*
+		if ((gstate.texlevel & 0x3) == 1) {
+			gstate.texlevel ^= diff;
+			Flush();
+			gstate.texlevel ^= diff;
+		}*/
 		gstate_c.textureChanged |= TEXCHANGE_PARAMSONLY;
 		break;