d2d1: Move mesh creation to mesh.c.

dlls/d2d1/d2d1_private.h

@@ -188,7 +188,7 @@ struct d2d_mesh
     ID2D1Factory *factory;
 };
 
-void d2d_mesh_init(struct d2d_mesh *mesh, ID2D1Factory *factory) DECLSPEC_HIDDEN;
+HRESULT d2d_mesh_create(ID2D1Factory *factory, struct d2d_mesh **mesh) DECLSPEC_HIDDEN;
 
 struct d2d_bitmap
 {

dlls/d2d1/mesh.c

@@ -98,9 +98,15 @@ static const struct ID2D1MeshVtbl d2d_mesh_vtbl =
     d2d_mesh_Open,
 };
 
-void d2d_mesh_init(struct d2d_mesh *mesh, ID2D1Factory *factory)
+HRESULT d2d_mesh_create(ID2D1Factory *factory, struct d2d_mesh **mesh)
 {
-    mesh->ID2D1Mesh_iface.lpVtbl = &d2d_mesh_vtbl;
-    mesh->refcount = 1;
-    ID2D1Factory_AddRef(mesh->factory = factory);
+    if (!(*mesh = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(**mesh))))
+        return E_OUTOFMEMORY;
+
+    (*mesh)->ID2D1Mesh_iface.lpVtbl = &d2d_mesh_vtbl;
+    (*mesh)->refcount = 1;
+    ID2D1Factory_AddRef((*mesh)->factory = factory);
+
+    TRACE("Created mesh %p.\n", *mesh);
+    return S_OK;
 }

dlls/d2d1/render_target.c

@@ -446,18 +446,14 @@ static HRESULT STDMETHODCALLTYPE d2d_d3d_render_target_CreateMesh(ID2D1RenderTar
 {
     struct d2d_d3d_render_target *render_target = impl_from_ID2D1RenderTarget(iface);
     struct d2d_mesh *object;
+    HRESULT hr;
 
     TRACE("iface %p, mesh %p.\n", iface, mesh);
 
-    if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
-        return E_OUTOFMEMORY;
-
-    d2d_mesh_init(object, render_target->factory);
-
-    TRACE("Created mesh %p.\n", object);
-    *mesh = &object->ID2D1Mesh_iface;
+    if (SUCCEEDED(hr = d2d_mesh_create(render_target->factory, &object)))
+        *mesh = &object->ID2D1Mesh_iface;
 
-    return S_OK;
+    return hr;
 }
 
 static void STDMETHODCALLTYPE d2d_d3d_render_target_DrawLine(ID2D1RenderTarget *iface,