From 1780c549e5990c901b791e94265ea16ce9c45c22 Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Wed, 30 Oct 2019 10:58:05 +0100
Subject: [PATCH] [d3d11] Only add storage buffer usage flag to constant
 buffers if needed

Otherwise, the backend optimization for dynamic uniform buffers will not
kick in.
---
 src/d3d11/d3d11_buffer.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/d3d11/d3d11_buffer.cpp b/src/d3d11/d3d11_buffer.cpp
index bb7e9809a..8ce1efc51 100644
--- a/src/d3d11/d3d11_buffer.cpp
+++ b/src/d3d11/d3d11_buffer.cpp
@@ -34,10 +34,12 @@ namespace dxvk {
     }
     
     if (pDesc->BindFlags & D3D11_BIND_CONSTANT_BUFFER) {
-      info.usage  |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT
-                  |  VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
+      info.usage  |= VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT;
       info.stages |= m_device->GetEnabledShaderStages();
       info.access |= VK_ACCESS_UNIFORM_READ_BIT;
+
+      if (m_device->GetOptions()->constantBufferRangeCheck)
+        info.usage |= VK_BUFFER_USAGE_STORAGE_BUFFER_BIT;
     }
     
     if (pDesc->BindFlags & D3D11_BIND_SHADER_RESOURCE) {