From b384f5372e65b5e12f75b4b2c0afcd1886692cbd Mon Sep 17 00:00:00 2001
From: Philip Rebohle <philip.rebohle@tu-dortmund.de>
Date: Tue, 22 Jun 2021 08:04:46 +0200
Subject: [PATCH] [d3d11] Zero-initialize mapped buffers for images correctly

---
 src/d3d11/d3d11_initializer.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/d3d11/d3d11_initializer.cpp b/src/d3d11/d3d11_initializer.cpp
index 053a98ca..6a6cf53d 100644
--- a/src/d3d11/d3d11_initializer.cpp
+++ b/src/d3d11/d3d11_initializer.cpp
@@ -203,6 +203,13 @@ namespace dxvk {
             image, value, subresources);
         }
       }
+
+      if (pTexture->GetMapMode() != D3D11_COMMON_TEXTURE_MAP_MODE_NONE) {
+        for (uint32_t i = 0; i < pTexture->CountSubresources(); i++) {
+          auto buffer = pTexture->GetMappedBuffer(i);
+          std::memset(buffer->mapPtr(0), 0, buffer->info().size);
+        }
+      }
     }
 
     FlushImplicit();