From 4b95b0df973027f4682549b0bd27bf9e05d8155f Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Thu, 27 May 2021 14:47:24 -0700
Subject: video_core: rasterizer_cache: Use u16 for cached page count.

- Greatly reduces the risk of overflow, at the cost of doubling the size of this array.
---
 src/video_core/rasterizer_accelerated.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

(limited to 'src/video_core/rasterizer_accelerated.h')

diff --git a/src/video_core/rasterizer_accelerated.h b/src/video_core/rasterizer_accelerated.h
index 9227a4adc..ea879bfdd 100644
--- a/src/video_core/rasterizer_accelerated.h
+++ b/src/video_core/rasterizer_accelerated.h
@@ -29,20 +29,20 @@ private:
     public:
         CacheEntry() = default;
 
-        std::atomic_uint8_t& Count(std::size_t page) {
-            return values[page & 7];
+        std::atomic_uint16_t& Count(std::size_t page) {
+            return values[page & 3];
         }
 
-        const std::atomic_uint8_t& Count(std::size_t page) const {
-            return values[page & 7];
+        const std::atomic_uint16_t& Count(std::size_t page) const {
+            return values[page & 3];
         }
 
     private:
-        std::array<std::atomic_uint8_t, 8> values{};
+        std::array<std::atomic_uint16_t, 4> values{};
     };
     static_assert(sizeof(CacheEntry) == 8, "CacheEntry should be 8 bytes!");
 
-    std::array<CacheEntry, 0x800000> cached_pages;
+    std::array<CacheEntry, 0x1000000> cached_pages;
     Core::Memory::Memory& cpu_memory;
 };
 
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