[PATCH 5/9] wined3d: Allow copies between compatible formats in wined3d_device_copy_sub_resource_region().

[Henri Verbeet]

From: Józef Kucia <jkucia(a)codeweavers.com>

Signed-off-by: Henri Verbeet <hverbeet(a)codeweavers.com>
---
 dlls/d3d9/device.c    | 13 +++++++++++++
 dlls/wined3d/device.c |  5 +++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/dlls/d3d9/device.c b/dlls/d3d9/device.c
index 50bba6b..3b0b483 100644
--- a/dlls/d3d9/device.c
+++ b/dlls/d3d9/device.c
@@ -1393,6 +1393,7 @@ static HRESULT WINAPI d3d9_device_UpdateSurface(IDirect3DDevice9Ex *iface,
     struct d3d9_device *device = impl_from_IDirect3DDevice9Ex(iface);
     struct d3d9_surface *src = unsafe_impl_from_IDirect3DSurface9(src_surface);
     struct d3d9_surface *dst = unsafe_impl_from_IDirect3DSurface9(dst_surface);
+    struct wined3d_sub_resource_desc src_desc, dst_desc;
     struct wined3d_box src_box;
     HRESULT hr;
 
@@ -1403,6 +1404,18 @@ static HRESULT WINAPI d3d9_device_UpdateSurface(IDirect3DDevice9Ex *iface,
         wined3d_box_set(&src_box, src_rect->left, src_rect->top, src_rect->right, src_rect->bottom, 0, 1);
 
     wined3d_mutex_lock();
+
+    wined3d_texture_get_sub_resource_desc(src->wined3d_texture, src->sub_resource_idx, &src_desc);
+    wined3d_texture_get_sub_resource_desc(dst->wined3d_texture, dst->sub_resource_idx, &dst_desc);
+    if (src_desc.format != dst_desc.format)
+    {
+        wined3d_mutex_unlock();
+        WARN("Surface formats (%#x/%#x) don't match.\n",
+                d3dformat_from_wined3dformat(src_desc.format),
+                d3dformat_from_wined3dformat(dst_desc.format));
+        return D3DERR_INVALIDCALL;
+    }
+
     hr = wined3d_device_copy_sub_resource_region(device->wined3d_device,
             wined3d_texture_get_resource(dst->wined3d_texture), dst->sub_resource_idx, dst_point ? dst_point->x : 0,
             dst_point ? dst_point->y : 0, 0, wined3d_texture_get_resource(src->wined3d_texture),
diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index 1995a50..9fbf3b0 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -4100,9 +4100,10 @@ HRESULT CDECL wined3d_device_copy_sub_resource_region(struct wined3d_device *dev
         return WINED3DERR_INVALIDCALL;
     }
 
-    if (src_resource->format->id != dst_resource->format->id)
+    if (src_resource->format->typeless_id != dst_resource->format->typeless_id
+            || (!src_resource->format->typeless_id && src_resource->format->id != dst_resource->format->id))
     {
-        WARN("Resource formats (%s / %s) don't match.\n",
+        WARN("Resource formats %s and %s are incompatible.\n",
                 debug_d3dformat(dst_resource->format->id),
                 debug_d3dformat(src_resource->format->id));
         return WINED3DERR_INVALIDCALL;
-- 
2.1.4