dlls/d3dx8/d3dxbuffer.c

   1 /*
   2  * ID3DXBuffer implementation
   3  *
   4  * Copyright 2002 Raphael Junqueira
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "wingdi.h"
  30 #include "wine/debug.h"
  31
  32 #include "d3d8.h"
  33 #include "d3dx8core_private.h"
  34
  35 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  36
  37 /* ID3DXBuffer IUnknown parts follow: */
  38 HRESULT WINAPI ID3DXBufferImpl_QueryInterface(LPD3DXBUFFER iface, REFIID riid, LPVOID* ppobj) {
  39   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  40
  41   if (IsEqualGUID(riid, &IID_IUnknown)
  42       || IsEqualGUID(riid, &IID_ID3DXBuffer)) {
  43     ID3DXBufferImpl_AddRef(iface);
  44     *ppobj = This;
  45     return D3D_OK;
  46   }
  47
  48   WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  49   return E_NOINTERFACE;
  50 }
  51
  52 ULONG WINAPI ID3DXBufferImpl_AddRef(LPD3DXBUFFER iface) {
  53   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  54   ULONG ref = InterlockedIncrement(&This->ref);
  55
  56   TRACE("(%p) : AddRef from %ld\n", This, ref - 1);
  57
  58   return ref;
  59 }
  60
  61 ULONG WINAPI ID3DXBufferImpl_Release(LPD3DXBUFFER iface) {
  62   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  63   ULONG ref = InterlockedDecrement(&This->ref);
  64
  65   TRACE("(%p) : ReleaseRef to %ld\n", This, ref);
  66
  67   if (ref == 0) {
  68     HeapFree(GetProcessHeap(), 0, This->buffer);
  69     HeapFree(GetProcessHeap(), 0, This);
  70   }
  71   return ref;
  72 }
  73
  74 /* ID3DXBuffer Interface follow: */
  75 LPVOID WINAPI ID3DXBufferImpl_GetBufferPointer(LPD3DXBUFFER iface) {
  76   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  77   return This->buffer;
  78 }
  79
  80 DWORD WINAPI ID3DXBufferImpl_GetBufferSize(LPD3DXBUFFER iface) {
  81   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  82   return This->bufferSize;
  83 }
  84
  85 const ID3DXBufferVtbl D3DXBuffer_Vtbl =
  86 {
  87     ID3DXBufferImpl_QueryInterface,
  88     ID3DXBufferImpl_AddRef,
  89     ID3DXBufferImpl_Release,
  90     ID3DXBufferImpl_GetBufferPointer,
  91     ID3DXBufferImpl_GetBufferSize
  92 };