From 862bec001b7ada13ba0e97f95d6ad108ae8a8d0c Mon Sep 17 00:00:00 2001
From: Fernando Sahmkow <fsahmkow27@gmail.com>
Date: Fri, 19 Jul 2019 10:50:40 -0400
Subject: Video_Core: Implement a new Buffer Cache

---
 src/video_core/buffer_cache/map_interval.h | 48 ++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)
 create mode 100644 src/video_core/buffer_cache/map_interval.h

(limited to 'src/video_core/buffer_cache/map_interval.h')

diff --git a/src/video_core/buffer_cache/map_interval.h b/src/video_core/buffer_cache/map_interval.h
new file mode 100644
index 000000000..652a35dcd
--- /dev/null
+++ b/src/video_core/buffer_cache/map_interval.h
@@ -0,0 +1,48 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <boost/functional/hash.hpp>
+#include "common/common_types.h"
+#include "video_core/gpu.h"
+
+namespace VideoCommon {
+
+struct MapInterval {
+    MapInterval(const CacheAddr start, const CacheAddr end) : start{start}, end{end} {}
+    CacheAddr start;
+    CacheAddr end;
+    bool IsInside(const CacheAddr other_start, const CacheAddr other_end) {
+        return (start <= other_start && other_end <= end);
+    }
+
+    bool operator==(const MapInterval& rhs) const {
+        return std::tie(start, end) == std::tie(rhs.start, rhs.end);
+    }
+
+    bool operator!=(const MapInterval& rhs) const {
+        return !operator==(rhs);
+    }
+};
+
+struct MapInfo {
+    GPUVAddr gpu_addr;
+    VAddr cpu_addr;
+};
+
+} // namespace VideoCommon
+
+namespace std {
+
+template <>
+struct hash<VideoCommon::MapInterval> {
+    std::size_t operator()(const VideoCommon::MapInterval& k) const noexcept {
+        std::size_t a = std::hash<CacheAddr>()(k.start);
+        boost::hash_combine(a, std::hash<CacheAddr>()(k.end));
+        return a;
+    }
+};
+
+} // namespace std
-- 
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