wined3d: Introduce wined3d_texture_set_sub_resource_parent().

Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/ddraw/surface.c

@@ -1266,7 +1266,7 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH ddraw_surface7_Flip(IDirectDrawSurface7
             wined3d_device_set_rendertarget_view(dst_impl->ddraw->wined3d_device, 0, src_rtv, FALSE);
         wined3d_rendertarget_view_set_parent(src_rtv, dst_impl);
         dst_impl->wined3d_rtv = src_rtv;
-        wined3d_resource_set_parent(wined3d_texture_get_sub_resource(src_impl->wined3d_texture, 0), dst_impl);
+        wined3d_texture_set_sub_resource_parent(src_impl->wined3d_texture, 0, dst_impl);
         prev_ddraw_texture = wined3d_texture_get_parent(src_impl->wined3d_texture);
         wined3d_resource_set_parent(wined3d_texture_get_resource(src_impl->wined3d_texture), ddraw_texture);
         if (src_impl->sub_resource_idx)
@@ -1297,7 +1297,7 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH ddraw_surface7_Flip(IDirectDrawSurface7
                 wined3d_device_set_rendertarget_view(dst_impl->ddraw->wined3d_device, 0, src_rtv, FALSE);
             wined3d_rendertarget_view_set_parent(src_rtv, dst_impl);
             dst_impl->wined3d_rtv = src_rtv;
-            wined3d_resource_set_parent(wined3d_texture_get_sub_resource(src_impl->wined3d_texture, 0), dst_impl);
+            wined3d_texture_set_sub_resource_parent(src_impl->wined3d_texture, 0, dst_impl);
             prev_ddraw_texture = wined3d_texture_get_parent(src_impl->wined3d_texture);
             wined3d_resource_set_parent(wined3d_texture_get_resource(src_impl->wined3d_texture), ddraw_texture);
             ddraw_texture = prev_ddraw_texture;
@@ -1314,7 +1314,7 @@ static HRESULT WINAPI DECLSPEC_HOTPATCH ddraw_surface7_Flip(IDirectDrawSurface7
         wined3d_device_set_rendertarget_view(dst_impl->ddraw->wined3d_device, 0, tmp_rtv, FALSE);
     wined3d_rendertarget_view_set_parent(tmp_rtv, src_impl);
     src_impl->wined3d_rtv = tmp_rtv;
-    wined3d_resource_set_parent(wined3d_texture_get_sub_resource(texture, 0), src_impl);
+    wined3d_texture_set_sub_resource_parent(texture, 0, src_impl);
     wined3d_resource_set_parent(wined3d_texture_get_resource(texture), ddraw_texture);
     src_impl->wined3d_texture = texture;
 

dlls/wined3d/texture.c

@@ -1537,6 +1537,22 @@ void * CDECL wined3d_texture_get_sub_resource_parent(struct wined3d_texture *tex
     return texture->sub_resources[sub_resource_idx].resource->parent;
 }
 
+void CDECL wined3d_texture_set_sub_resource_parent(struct wined3d_texture *texture,
+        unsigned int sub_resource_idx, void *parent)
+{
+    unsigned int sub_count = texture->level_count * texture->layer_count;
+
+    TRACE("texture %p, sub_resource_idx %u, parent %p.\n", texture, sub_resource_idx, parent);
+
+    if (sub_resource_idx >= sub_count)
+    {
+        WARN("sub_resource_idx %u >= sub_count %u.\n", sub_resource_idx, sub_count);
+        return;
+    }
+
+    texture->sub_resources[sub_resource_idx].resource->parent = parent;
+}
+
 HRESULT CDECL wined3d_texture_create(struct wined3d_device *device, const struct wined3d_resource_desc *desc,
         UINT level_count, DWORD flags, const struct wined3d_sub_resource_data *data, void *parent,
         const struct wined3d_parent_ops *parent_ops, struct wined3d_texture **texture)

dlls/wined3d/wined3d.spec

@@ -259,6 +259,7 @@
 @ cdecl wined3d_texture_set_color_key(ptr long ptr)
 @ cdecl wined3d_texture_set_lod(ptr long)
 @ cdecl wined3d_texture_set_overlay_position(ptr long long long)
+@ cdecl wined3d_texture_set_sub_resource_parent(ptr long ptr)
 @ cdecl wined3d_texture_update_desc(ptr long long long long long ptr long)
 @ cdecl wined3d_texture_update_overlay(ptr long ptr ptr long ptr long)
 

include/wine/wined3d.h

@@ -2458,6 +2458,8 @@ HRESULT __cdecl wined3d_texture_set_color_key(struct wined3d_texture *texture,
 DWORD __cdecl wined3d_texture_set_lod(struct wined3d_texture *texture, DWORD lod);
 HRESULT __cdecl wined3d_texture_set_overlay_position(struct wined3d_texture *texture,
         unsigned int sub_resource_idx, LONG x, LONG y);
+void __cdecl wined3d_texture_set_sub_resource_parent(struct wined3d_texture *texture,
+        unsigned int sub_resource_idx, void *parent);
 HRESULT __cdecl wined3d_texture_update_desc(struct wined3d_texture *texture,
         UINT width, UINT height, enum wined3d_format_id format_id,
         enum wined3d_multisample_type multisample_type, UINT multisample_quality,