From 9d4be00fa7d222c76484acb5c4f26294252f5f4c Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Sat, 12 Feb 2022 17:23:26 +0100
Subject: [PATCH] [dxvk] Allow large sysmem allocations on 64-bit platforms
 again

Since we frequently discard staging buffers now, having larger chunks
is actually beneficial again.
---
 src/dxvk/dxvk_memory.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/dxvk/dxvk_memory.cpp b/src/dxvk/dxvk_memory.cpp
index 2871532d..851d7938 100644
--- a/src/dxvk/dxvk_memory.cpp
+++ b/src/dxvk/dxvk_memory.cpp
@@ -506,7 +506,7 @@ namespace dxvk {
     // Try to waste a bit less system memory especially in
     // 32-bit applications due to address space constraints
     if (type.propertyFlags & VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT)
-      chunkSize = 16 << 20;
+      chunkSize = (env::is32BitHostPlatform() ? 16 : 64) << 20;
 
     // Reduce the chunk size on small heaps so
     // we can at least fit in 15 allocations