From bb25ce1c6a19d81f939dc4a4d63afc5a56893781 Mon Sep 17 00:00:00 2001
From: Jonathan Li <jonathan.li@hotmail.co.uk>
Date: Wed, 16 Nov 2016 20:50:36 +0000
Subject: [PATCH] cdvdgigaherz: Add cache entry check function

Useful when you don't actually want the cached data.
---
 plugins/cdvdGigaherz/src/ReadThread.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/plugins/cdvdGigaherz/src/ReadThread.cpp b/plugins/cdvdGigaherz/src/ReadThread.cpp
index 63cbc43bee..35508936c5 100644
--- a/plugins/cdvdGigaherz/src/ReadThread.cpp
+++ b/plugins/cdvdGigaherz/src/ReadThread.cpp
@@ -77,6 +77,14 @@ void cdvdCacheUpdate(u32 lsn, s32 mode, u8 *data)
     Cache[entry].mode = mode;
 }
 
+bool cdvdCacheCheck(u32 lsn, s32 mode)
+{
+    std::lock_guard<std::mutex> guard(s_cache_lock);
+    u32 entry = cdvdSectorHash(lsn, mode);
+
+    return Cache[entry].lsn == lsn && Cache[entry].mode == mode;
+}
+
 bool cdvdCacheFetch(u32 lsn, s32 mode, u8 *data)
 {
     std::lock_guard<std::mutex> guard(s_cache_lock);