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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22 #include "wine/port.h"
  23
  24 #include <stdarg.h>
  25
  26 #define COBJMACROS
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "winuser.h"
  30 #include "wingdi.h"
  31 #include "wine/debug.h"
  32
  33 #include "d3d8.h"
  34 #include "d3dx8_private.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
  37
  38 /* ID3DXBuffer IUnknown parts follow: */
  39 static HRESULT WINAPI ID3DXBufferImpl_QueryInterface(LPD3DXBUFFER iface, REFIID riid, LPVOID* ppobj) {
  40   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  41
  42   if (IsEqualGUID(riid, &IID_IUnknown)
  43       || IsEqualGUID(riid, &IID_ID3DXBuffer)) {
  44     IUnknown_AddRef(iface);
  45     *ppobj = This;
  46     return D3D_OK;
  47   }
  48
  49   WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  50   return E_NOINTERFACE;
  51 }
  52
  53 static ULONG WINAPI ID3DXBufferImpl_AddRef(LPD3DXBUFFER iface) {
  54   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  55   ULONG ref = InterlockedIncrement(&This->ref);
  56
  57   TRACE("(%p) : AddRef from %d\n", This, ref - 1);
  58
  59   return ref;
  60 }
  61
  62 static ULONG WINAPI ID3DXBufferImpl_Release(LPD3DXBUFFER iface) {
  63   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  64   ULONG ref = InterlockedDecrement(&This->ref);
  65
  66   TRACE("(%p) : ReleaseRef to %d\n", This, ref);
  67
  68   if (ref == 0) {
  69     HeapFree(GetProcessHeap(), 0, This->buffer);
  70     HeapFree(GetProcessHeap(), 0, This);
  71   }
  72   return ref;
  73 }
  74
  75 /* ID3DXBuffer Interface follow: */
  76 static LPVOID WINAPI ID3DXBufferImpl_GetBufferPointer(LPD3DXBUFFER iface) {
  77   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  78   return This->buffer;
  79 }
  80
  81 static DWORD WINAPI ID3DXBufferImpl_GetBufferSize(LPD3DXBUFFER iface) {
  82   ID3DXBufferImpl *This = (ID3DXBufferImpl *)iface;
  83   return This->bufferSize;
  84 }
  85
  86 const ID3DXBufferVtbl D3DXBuffer_Vtbl =
  87 {
  88     ID3DXBufferImpl_QueryInterface,
  89     ID3DXBufferImpl_AddRef,
  90     ID3DXBufferImpl_Release,
  91     ID3DXBufferImpl_GetBufferPointer,
  92     ID3DXBufferImpl_GetBufferSize
  93 };