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 "config.h"
  20 #include "wine/port.h"
  21
  22 #include "d2d1_private.h"
  23
  24 WINE_DEFAULT_DEBUG_CHANNEL(d2d);
  25
  26 static inline struct d2d_mesh *impl_from_ID2D1Mesh(ID2D1Mesh *iface)
  27 {
  28     return CONTAINING_RECORD(iface, struct d2d_mesh, ID2D1Mesh_iface);
  29 }
  30
  31 static HRESULT STDMETHODCALLTYPE d2d_mesh_QueryInterface(ID2D1Mesh *iface, REFIID iid, void **out)
  32 {
  33     TRACE("iface %p, iid %s, out %p.\n", iface, debugstr_guid(iid), out);
  34
  35     if (IsEqualGUID(iid, &IID_ID2D1Mesh)
  36             || IsEqualGUID(iid, &IID_ID2D1Resource)
  37             || IsEqualGUID(iid, &IID_IUnknown))
  38     {
  39         ID2D1Mesh_AddRef(iface);
  40         *out = iface;
  41         return S_OK;
  42     }
  43
  44     WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(iid));
  45
  46     *out = NULL;
  47     return E_NOINTERFACE;
  48 }
  49
  50 static ULONG STDMETHODCALLTYPE d2d_mesh_AddRef(ID2D1Mesh *iface)
  51 {
  52     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  53     ULONG refcount = InterlockedIncrement(&mesh->refcount);
  54
  55     TRACE("%p increasing refcount to %u.\n", iface, refcount);
  56
  57     return refcount;
  58 }
  59
  60 static ULONG STDMETHODCALLTYPE d2d_mesh_Release(ID2D1Mesh *iface)
  61 {
  62     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  63     ULONG refcount = InterlockedDecrement(&mesh->refcount);
  64
  65     TRACE("%p decreasing refcount to %u.\n", iface, refcount);
  66
  67     if (!refcount)
  68     {
  69         ID2D1Factory_Release(mesh->factory);
  70         heap_free(mesh);
  71     }
  72
  73     return refcount;
  74 }
  75
  76 static void STDMETHODCALLTYPE d2d_mesh_GetFactory(ID2D1Mesh *iface, ID2D1Factory **factory)
  77 {
  78     struct d2d_mesh *mesh = impl_from_ID2D1Mesh(iface);
  79
  80     TRACE("iface %p, factory %p.\n", iface, factory);
  81
  82     ID2D1Factory_AddRef(*factory = mesh->factory);
  83 }
  84
  85 static HRESULT STDMETHODCALLTYPE d2d_mesh_Open(ID2D1Mesh *iface, ID2D1TessellationSink **sink)
  86 {
  87     FIXME("iface %p, sink %p stub!\n", iface, sink);
  88
  89     return E_NOTIMPL;
  90 }
  91
  92 static const struct ID2D1MeshVtbl d2d_mesh_vtbl =
  93 {
  94     d2d_mesh_QueryInterface,
  95     d2d_mesh_AddRef,
  96     d2d_mesh_Release,
  97     d2d_mesh_GetFactory,
  98     d2d_mesh_Open,
  99 };
 100
 101 HRESULT d2d_mesh_create(ID2D1Factory *factory, struct d2d_mesh **mesh)
 102 {
 103     if (!(*mesh = heap_alloc_zero(sizeof(**mesh))))
 104         return E_OUTOFMEMORY;
 105
 106     (*mesh)->ID2D1Mesh_iface.lpVtbl = &d2d_mesh_vtbl;
 107     (*mesh)->refcount = 1;
 108     ID2D1Factory_AddRef((*mesh)->factory = factory);
 109
 110     TRACE("Created mesh %p.\n", *mesh);
 111     return S_OK;
 112 }