From 9dec087fca5944b6e4ee5f0f76c0716a93a9fe4d Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 5 Apr 2019 20:18:27 -0400
Subject: [PATCH] video_core/memory_manager: Make GpuToCpuAddress() a const
 member function

This doesn't modify any internal state, so it can be made a const member
function to allow its use in const contexts.
---
 src/video_core/memory_manager.cpp | 4 ++--
 src/video_core/memory_manager.h   | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/video_core/memory_manager.cpp b/src/video_core/memory_manager.cpp
index e76b598424..124a3c6d2e 100644
--- a/src/video_core/memory_manager.cpp
+++ b/src/video_core/memory_manager.cpp
@@ -99,12 +99,12 @@ bool MemoryManager::IsAddressValid(GPUVAddr addr) const {
     return (addr >> page_bits) < page_table.pointers.size();
 }
 
-std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr) {
+std::optional<VAddr> MemoryManager::GpuToCpuAddress(GPUVAddr addr) const {
     if (!IsAddressValid(addr)) {
         return {};
     }
 
-    VAddr cpu_addr{page_table.backing_addr[addr >> page_bits]};
+    const VAddr cpu_addr{page_table.backing_addr[addr >> page_bits]};
     if (cpu_addr) {
         return cpu_addr + (addr & page_mask);
     }
diff --git a/src/video_core/memory_manager.h b/src/video_core/memory_manager.h
index 34744bb27f..c3b4d7ae76 100644
--- a/src/video_core/memory_manager.h
+++ b/src/video_core/memory_manager.h
@@ -50,7 +50,7 @@ public:
     GPUVAddr MapBufferEx(VAddr cpu_addr, u64 size);
     GPUVAddr MapBufferEx(VAddr cpu_addr, GPUVAddr addr, u64 size);
     GPUVAddr UnmapBuffer(GPUVAddr addr, u64 size);
-    std::optional<VAddr> GpuToCpuAddress(GPUVAddr addr);
+    std::optional<VAddr> GpuToCpuAddress(GPUVAddr addr) const;
 
     template <typename T>
     T Read(GPUVAddr addr);