3 * Copyright 2002 Raphael Junqueira
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
21 #include "d3dx9_private.h"
23 WINE_DEFAULT_DEBUG_CHANNEL(d3dx
);
25 struct ID3DXBufferImpl
27 ID3DXBuffer ID3DXBuffer_iface
;
34 static inline struct ID3DXBufferImpl
*impl_from_ID3DXBuffer(ID3DXBuffer
*iface
)
36 return CONTAINING_RECORD(iface
, struct ID3DXBufferImpl
, ID3DXBuffer_iface
);
39 static HRESULT WINAPI
ID3DXBufferImpl_QueryInterface(ID3DXBuffer
*iface
, REFIID riid
, void **ppobj
)
41 TRACE("iface %p, riid %s, object %p\n", iface
, debugstr_guid(riid
), ppobj
);
43 if (IsEqualGUID(riid
, &IID_IUnknown
)
44 || IsEqualGUID(riid
, &IID_ID3DXBuffer
))
46 IUnknown_AddRef(iface
);
51 WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid
));
56 static ULONG WINAPI
ID3DXBufferImpl_AddRef(ID3DXBuffer
*iface
)
58 struct ID3DXBufferImpl
*This
= impl_from_ID3DXBuffer(iface
);
59 ULONG ref
= InterlockedIncrement(&This
->ref
);
61 TRACE("%p increasing refcount to %lu.\n", This
, ref
);
66 static ULONG WINAPI
ID3DXBufferImpl_Release(ID3DXBuffer
*iface
)
68 struct ID3DXBufferImpl
*This
= impl_from_ID3DXBuffer(iface
);
69 ULONG ref
= InterlockedDecrement(&This
->ref
);
71 TRACE("%p decreasing refcount to %lu.\n", This
, ref
);
75 HeapFree(GetProcessHeap(), 0, This
->buffer
);
76 HeapFree(GetProcessHeap(), 0, This
);
82 static void * WINAPI
ID3DXBufferImpl_GetBufferPointer(ID3DXBuffer
*iface
)
84 struct ID3DXBufferImpl
*This
= impl_from_ID3DXBuffer(iface
);
86 TRACE("iface %p\n", iface
);
91 static DWORD WINAPI
ID3DXBufferImpl_GetBufferSize(ID3DXBuffer
*iface
)
93 struct ID3DXBufferImpl
*This
= impl_from_ID3DXBuffer(iface
);
95 TRACE("iface %p\n", iface
);
100 static const struct ID3DXBufferVtbl ID3DXBufferImpl_Vtbl
=
102 /* IUnknown methods */
103 ID3DXBufferImpl_QueryInterface
,
104 ID3DXBufferImpl_AddRef
,
105 ID3DXBufferImpl_Release
,
106 /* ID3DXBuffer methods */
107 ID3DXBufferImpl_GetBufferPointer
,
108 ID3DXBufferImpl_GetBufferSize
111 static HRESULT
d3dx9_buffer_init(struct ID3DXBufferImpl
*buffer
, DWORD size
)
113 buffer
->ID3DXBuffer_iface
.lpVtbl
= &ID3DXBufferImpl_Vtbl
;
117 buffer
->buffer
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, size
);
120 ERR("Failed to allocate buffer memory\n");
121 return E_OUTOFMEMORY
;
127 HRESULT WINAPI
D3DXCreateBuffer(DWORD size
, ID3DXBuffer
**buffer
)
129 struct ID3DXBufferImpl
*object
;
132 TRACE("size %lu, buffer %p.\n", size
, buffer
);
136 WARN("Invalid buffer specified.\n");
137 return D3DERR_INVALIDCALL
;
140 object
= HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY
, sizeof(*object
));
142 return E_OUTOFMEMORY
;
144 hr
= d3dx9_buffer_init(object
, size
);
147 WARN("Failed to initialize buffer, hr %#lx.\n", hr
);
148 HeapFree(GetProcessHeap(), 0, object
);
152 *buffer
= &object
->ID3DXBuffer_iface
;
154 TRACE("Created ID3DXBuffer %p.\n", *buffer
);