diff --git a/wine-6.0-vulkan-child-window.patch b/wine-6.0-vulkan-child-window.patch
new file mode 100644
index 0000000..64e94b0
--- /dev/null
+++ b/wine-6.0-vulkan-child-window.patch
@@ -0,0 +1,162 @@
+From 4cc738f609faff68bf4c67d5618174fa87ab3cdb Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Felix=20H=C3=A4dicke?= <felixhaedicke@web.de>
+Date: Wed, 10 Jul 2019 22:19:31 +0200
+Subject: [PATCH] winex11.drv: Support child window rendering for Vulkan via
+ XComposite
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45277
+Signed-off-by: Felix Hädicke <felixhaedicke@web.de>
+---
+ dlls/winex11.drv/vulkan.c | 56 ++++++++++++++++++++++++++++++++-------
+ 1 file changed, 47 insertions(+), 9 deletions(-)
+
+diff --git a/dlls/winex11.drv/vulkan.c b/dlls/winex11.drv/vulkan.c
+index 28ae1a9e0e8..3b0bf58c107 100644
+--- a/dlls/winex11.drv/vulkan.c
++++ b/dlls/winex11.drv/vulkan.c
+@@ -32,6 +32,7 @@
+ #include "wine/debug.h"
+ #include "wine/heap.h"
+ #include "x11drv.h"
++#include "xcomposite.h"
+ 
+ #define VK_NO_PROTOTYPES
+ #define WINE_VK_HOST
+@@ -56,6 +57,7 @@
+ static CRITICAL_SECTION context_section = { &critsect_debug, -1, 0, 0, 0, 0 };
+ 
+ static XContext vulkan_hwnd_context;
++static XContext vulkan_swapchain_surface_context;
+ 
+ #define VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR 1000004000
+ 
+@@ -63,6 +65,7 @@
+ {
+     LONG ref;
+     Window window;
++    HDC child_window_dc;
+     VkSurfaceKHR surface; /* native surface */
+ };
+ 
+@@ -95,6 +98,7 @@
+ static VkBool32 (*pvkGetPhysicalDeviceXlibPresentationSupportKHR)(VkPhysicalDevice, uint32_t, Display *, VisualID);
+ static VkResult (*pvkGetSwapchainImagesKHR)(VkDevice, VkSwapchainKHR, uint32_t *, VkImage *);
+ static VkResult (*pvkQueuePresentKHR)(VkQueue, const VkPresentInfoKHR *);
++static VkResult (*pvkQueueWaitIdle)(VkQueue);
+ 
+ static void *X11DRV_get_vk_device_proc_addr(const char *name);
+ static void *X11DRV_get_vk_instance_proc_addr(VkInstance instance, const char *name);
+@@ -142,12 +146,14 @@
+     LOAD_FUNCPTR(vkGetPhysicalDeviceXlibPresentationSupportKHR);
+     LOAD_FUNCPTR(vkGetSwapchainImagesKHR);
+     LOAD_FUNCPTR(vkQueuePresentKHR);
++    LOAD_FUNCPTR(vkQueueWaitIdle);
+     LOAD_OPTIONAL_FUNCPTR(vkGetDeviceGroupSurfacePresentModesKHR);
+     LOAD_OPTIONAL_FUNCPTR(vkGetPhysicalDevicePresentRectanglesKHR);
+ #undef LOAD_FUNCPTR
+ #undef LOAD_OPTIONAL_FUNCPTR
+ 
+     vulkan_hwnd_context = XUniqueContext();
++    vulkan_swapchain_surface_context = XUniqueContext();
+ 
+     return TRUE;
+ 
+@@ -265,16 +271,24 @@
+         const VkSwapchainCreateInfoKHR *create_info,
+         const VkAllocationCallbacks *allocator, VkSwapchainKHR *swapchain)
+ {
++    VkResult res;
+     VkSwapchainCreateInfoKHR create_info_host;
++    struct wine_vk_surface *x11_surface = surface_from_handle(create_info->surface);
++
+     TRACE("%p %p %p %p\n", device, create_info, allocator, swapchain);
+ 
+     if (allocator)
+         FIXME("Support for allocation callbacks not implemented yet\n");
+ 
+     create_info_host = *create_info;
+-    create_info_host.surface = surface_from_handle(create_info->surface)->surface;
++    create_info_host.surface = x11_surface->surface;
+ 
+-    return pvkCreateSwapchainKHR(device, &create_info_host, NULL /* allocator */, swapchain);
++    res = pvkCreateSwapchainKHR(device, &create_info_host, NULL /* allocator */, swapchain);
++    if (res == VK_SUCCESS)
++    {
++        XSaveContext(gdi_display, (XID)(*swapchain), vulkan_swapchain_surface_context, (char *)x11_surface);
++    }
++    return res;
+ }
+ 
+ static VkResult X11DRV_vkCreateWin32SurfaceKHR(VkInstance instance,
+@@ -290,13 +304,6 @@
+     if (allocator)
+         FIXME("Support for allocation callbacks not implemented yet\n");
+ 
+-    /* TODO: support child window rendering. */
+-    if (GetAncestor(create_info->hwnd, GA_PARENT) != GetDesktopWindow())
+-    {
+-        FIXME("Application requires child window rendering, which is not implemented yet!\n");
+-        return VK_ERROR_INCOMPATIBLE_DRIVER;
+-    }
+-
+     x11_surface = heap_alloc_zero(sizeof(*x11_surface));
+     if (!x11_surface)
+         return VK_ERROR_OUT_OF_HOST_MEMORY;
+@@ -313,6 +320,23 @@
+         goto err;
+     }
+ 
++    /* child window rendering. */
++    if (GetAncestor(create_info->hwnd, GA_PARENT) != GetDesktopWindow())
++    {
++#ifdef SONAME_LIBXCOMPOSITE
++        if (usexcomposite)
++        {
++            pXCompositeRedirectWindow(gdi_display, x11_surface->window, CompositeRedirectManual);
++            x11_surface->child_window_dc = GetDC(create_info->hwnd);
++        }
++        else
++#endif
++        {
++            FIXME("Child window rendering is not supported without X Composite Extension!\n");
++            return VK_ERROR_INCOMPATIBLE_DRIVER;
++        }
++    }
++
+     create_info_host.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
+     create_info_host.pNext = NULL;
+     create_info_host.flags = 0; /* reserved */
+@@ -382,6 +406,7 @@
+         FIXME("Support for allocation callbacks not implemented yet\n");
+ 
+     pvkDestroySwapchainKHR(device, swapchain, NULL /* allocator */);
++    XDeleteContext(gdi_display, (XID)swapchain, vulkan_swapchain_surface_context);
+ }
+ 
+ static VkResult X11DRV_vkEnumerateInstanceExtensionProperties(const char *layer_name,
+@@ -608,6 +633,22 @@
+         }
+     }
+ 
++    for (uint32_t i = 0 ; i < present_info->swapchainCount; ++i)
++    {
++        struct wine_vk_surface *x11_surface;
++        if (!XFindContext(gdi_display, (XID)present_info->pSwapchains[i],
++                          vulkan_swapchain_surface_context, (char **)&x11_surface) &&
++            x11_surface->child_window_dc)
++        {
++            struct x11drv_escape_flush_gl_drawable escape;
++            escape.code = X11DRV_FLUSH_GL_DRAWABLE;
++            escape.gl_drawable = x11_surface->window;
++            escape.flush = TRUE;
++            pvkQueueWaitIdle(queue);
++            ExtEscape(x11_surface->child_window_dc, X11DRV_ESCAPE, sizeof(escape), (LPSTR)&escape, 0, NULL);
++        }
++    }
++
+     return res;
+ }
+