From 02ea4b5efa3289608c783551ad87569fcbb3af82 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Henrik=20Rydg=C3=A5rd?= <hrydgard@gmail.com>
Date: Tue, 10 Apr 2018 14:37:32 +0200
Subject: [PATCH] Inner interpreter safety check - in hw skinning mode, we need
 to flush if any part of the vertex format changes.

---
 GPU/GPUCommon.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/GPU/GPUCommon.cpp b/GPU/GPUCommon.cpp
index 0fb4318eb0..66e2dce1fe 100644
--- a/GPU/GPUCommon.cpp
+++ b/GPU/GPUCommon.cpp
@@ -1553,6 +1553,10 @@ void GPUCommon::Execute_Prim(u32 op, u32 diff) {
 		goto bail;
 #endif
 
+	uint32_t vtypeCheckMask = ~GE_VTYPE_WEIGHTCOUNT_MASK;
+	if (!g_Config.bSoftwareSkinning)
+		vtypeCheckMask = 0xFFFFFFFF;
+
 	while (src != stall) {
 		uint32_t data = *src;
 		switch (data >> 24) {
@@ -1581,7 +1585,7 @@ void GPUCommon::Execute_Prim(u32 op, u32 diff) {
 		{
 			uint32_t diff = data ^ vertexType;
 			// don't mask upper bits, vertexType is unmasked
-			if (diff & ~GE_VTYPE_WEIGHTCOUNT_MASK) {
+			if (diff & vtypeCheckMask) {
 				goto bail;
 			} else {
 				vertexType = data;