dlls/d2d1/mesh.c

   1 /*
   2  * Copyright 2014 Henri Verbeet for CodeWeavers
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #include "d2d1_private.h"
  20
  21 WINE_DEFAULT_DEBUG_CHANNEL(d2d);
  22
  23 static inline struct d2d_mesh *impl_from_ID2D1Mesh(ID2D1Mesh *iface)
  24 {
  25     return CONTAINING_RECORD(iface, struct d2d_mesh, ID2D1Mesh_iface);
  26 }
  27
  28 static HRESULT STDMETHODCALLTYPE d2d_mesh_QueryInterface(ID2D1Mesh *iface, REFIID iid, void **out)
  29 {
  30     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  31
  32     if (IsEqualGUID(iid, &IID_ID2D1Mesh)
  33             || IsEqualGUID(iid, &IID_ID2D1Resource)
  34             || IsEqualGUID(iid, &IID_IUnknown))
  35     {
  36         ID2D1Mesh_AddRef(iface);
  37         *out = iface;
  38         return S_OK;
  39     }
  40
  41     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  42
  43     *out = NULL;
  44     return E_NOINTERFACE;
  45 }
  46
  47 static ULONG STDMETHODCALLTYPE d2d_mesh_AddRef(ID2D1Mesh *iface)
  48 {
  49     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  50     ULONG refcount = InterlockedIncrement(&mesh->refcount);
  51
  52     TRACE("%p increasing refcount to %u.\n", iface, refcount);
  53
  54     return refcount;
  55 }
  56
  57 static ULONG STDMETHODCALLTYPE d2d_mesh_Release(ID2D1Mesh *iface)
  58 {
  59     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  60     ULONG refcount = InterlockedDecrement(&mesh->refcount);
  61
  62     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
  63
  64     if (!refcount)
  65     {
  66         ID2D1Factory_Release(mesh->factory);
  67         heap_free(mesh);
  68     }
  69
  70     return refcount;
  71 }
  72
  73 static void STDMETHODCALLTYPE d2d_mesh_GetFactory(ID2D1Mesh *iface, ID2D1Factory **factory)
  74 {
  75     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  76
  77     TRACE("iface %p, factory %p.\n", iface, factory);
  78
  79     ID2D1Factory_AddRef(*factory = mesh->factory);
  80 }
  81
  82 static HRESULT STDMETHODCALLTYPE d2d_mesh_Open(ID2D1Mesh *iface, ID2D1TessellationSink **sink)
  83 {
  84     FIXME("iface %p, sink %p stub!\n", iface, sink);
  85
  86     return E_NOTIMPL;
  87 }
  88
  89 static const struct ID2D1MeshVtbl d2d_mesh_vtbl =
  90 {
  91     d2d_mesh_QueryInterface,
  92     d2d_mesh_AddRef,
  93     d2d_mesh_Release,
  94     d2d_mesh_GetFactory,
  95     d2d_mesh_Open,
  96 };
  97
  98 HRESULT d2d_mesh_create(ID2D1Factory *factory, struct d2d_mesh **mesh)
  99 {
 100     if (!(*mesh = heap_alloc_zero(sizeof(**mesh))))
 101         return E_OUTOFMEMORY;
 102
 103     (*mesh)->ID2D1Mesh_iface.lpVtbl = &d2d_mesh_vtbl;
 104     (*mesh)->refcount = 1;
 105     ID2D1Factory_AddRef((*mesh)->factory = factory);
 106
 107     TRACE("Created mesh %p.\n", *mesh);
 108     return S_OK;
 109 }