From dc85e3bff16c375a909617908c9c7b82ec61cbdd Mon Sep 17 00:00:00 2001
From: FernandoS27 <fsahmkow27@gmail.com>
Date: Wed, 24 Oct 2018 18:44:37 -0400
Subject: [PATCH] Zero out memory region of recreated surface before flushing

---
 src/video_core/renderer_opengl/gl_rasterizer_cache.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
index 70d1ebda5..28f17bc75 100644
--- a/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
+++ b/src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
@@ -1325,6 +1325,8 @@ void RasterizerCacheOpenGL::AccurateCopySurface(const Surface& src_surface,
                                                 const Surface& dst_surface) {
     const auto& src_params{src_surface->GetSurfaceParams()};
     const auto& dst_params{dst_surface->GetSurfaceParams()};
+    auto* start = Memory::GetPointer(src_params.addr);
+    std::fill(start, start + dst_params.MemorySize(), 0);
     FlushRegion(src_params.addr, dst_params.MemorySize());
     LoadSurface(dst_surface);
 }