From a5e34dd5cb4793fef52e0ef02a87c6b47a46c8f4 Mon Sep 17 00:00:00 2001
From: Rodolfo Bogado <rodolfoosvaldobogado@gmail.com>
Date: Thu, 15 Aug 2013 14:43:58 -0300
Subject: [PATCH] merge changes from other back ends to the PerfQuery
 functionality

---
 Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp b/Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp
index 8a1d5c59a9..fafd06e901 100644
--- a/Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp
+++ b/Source/Plugins/Plugin_VideoDX9/Src/PerfQuery.cpp
@@ -35,6 +35,8 @@ void PerfQuery::DestroyDeviceObjects()
 
 void PerfQuery::EnableQuery(PerfQueryGroup type)
 {
+    if (!ShouldEmulate())
+		return;
 	// Is this sane?
 	if (m_query_count > ARRAYSIZE(m_query_buffer) / 2)
 		WeakFlush();
@@ -58,6 +60,8 @@ void PerfQuery::EnableQuery(PerfQueryGroup type)
 
 void PerfQuery::DisableQuery(PerfQueryGroup type)
 {
+    if (!ShouldEmulate())
+		return;
 	// stop query
 	if (type == PQG_ZCOMP_ZCOMPLOC || type == PQG_ZCOMP)
 	{
@@ -74,6 +78,8 @@ void PerfQuery::ResetQuery()
 
 u32 PerfQuery::GetQueryResult(PerfQueryType type)
 {
+    if (!ShouldEmulate())
+		return 0;
 	u32 result = 0;
 
 	if (type == PQ_ZCOMP_INPUT_ZCOMPLOC || type == PQ_ZCOMP_OUTPUT_ZCOMPLOC)
@@ -98,6 +104,8 @@ u32 PerfQuery::GetQueryResult(PerfQueryType type)
 
 void PerfQuery::FlushOne()
 {
+    if (!ShouldEmulate())
+		return;
 	auto& entry = m_query_buffer[m_query_read_pos];
 
 	DWORD result = 0;
@@ -118,12 +126,16 @@ void PerfQuery::FlushOne()
 // TODO: could selectively flush things, but I don't think that will do much
 void PerfQuery::FlushResults()
 {
+    if (!ShouldEmulate())
+		return;
 	while (!IsFlushed())
 		FlushOne();
 }
 
 void PerfQuery::WeakFlush()
 {
+    if (!ShouldEmulate())
+		return;
 	while (!IsFlushed())
 	{
 		auto& entry = m_query_buffer[m_query_read_pos];
@@ -148,6 +160,8 @@ void PerfQuery::WeakFlush()
 
 bool PerfQuery::IsFlushed() const
 {
+    if (!ShouldEmulate())
+		return true;
 	return 0 == m_query_count;
 }