wine-staging/patches/d3d11-ResolveSubresource/0001-d3d11-Implement-ResolveSubresource-by-copying-sub-re.patch

From d16a0f5f4bde197dbdda7b61d8c6b69bbc9be128 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael@fds-team.de>
Date: Sat, 21 Jan 2017 22:43:12 +0100
Subject: d3d11: Implement ResolveSubresource by copying sub resource (there is
 no multisample texture support yet).

---
 dlls/d3d11/device.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/dlls/d3d11/device.c b/dlls/d3d11/device.c
index 777146d717e..9ad2b2ecaa5 100644
--- a/dlls/d3d11/device.c
+++ b/dlls/d3d11/device.c
@@ -1120,10 +1120,22 @@ static void STDMETHODCALLTYPE d3d11_immediate_context_ResolveSubresource(ID3D11D
         ID3D11Resource *src_resource, UINT src_subresource_idx,
         DXGI_FORMAT format)
 {
-    FIXME("iface %p, dst_resource %p, dst_subresource_idx %u, src_resource %p, src_subresource_idx %u, "
+    struct d3d_device *device = device_from_immediate_ID3D11DeviceContext(iface);
+    struct wined3d_resource *wined3d_dst_resource, *wined3d_src_resource;
+
+    TRACE("iface %p, dst_resource %p, dst_subresource_idx %u, src_resource %p, src_subresource_idx %u, "
             "format %s stub!\n",
             iface, dst_resource, dst_subresource_idx, src_resource, src_subresource_idx,
             debug_dxgi_format(format));
+
+    wined3d_dst_resource = wined3d_resource_from_d3d11_resource(dst_resource);
+    wined3d_src_resource = wined3d_resource_from_d3d11_resource(src_resource);
+
+    /* Multisampled textures are not supported yet, so simply copy the sub resource */
+    wined3d_mutex_lock();
+    wined3d_device_copy_sub_resource_region(device->wined3d_device, wined3d_dst_resource, dst_subresource_idx,
+            0, 0, 0, wined3d_src_resource, src_subresource_idx, NULL);
+    wined3d_mutex_unlock();
 }
 
 static void STDMETHODCALLTYPE d3d11_immediate_context_ExecuteCommandList(ID3D11DeviceContext *iface,
-- 
2.11.0