Sweden-Number/dlls/d3dx9_36/core.c

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/*
*
* Copyright 2002 Raphael Junqueira
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "d3dx9_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(d3dx);
struct ID3DXBufferImpl
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{
ID3DXBuffer ID3DXBuffer_iface;
LONG ref;
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void *buffer;
DWORD size;
};
static inline struct ID3DXBufferImpl *impl_from_ID3DXBuffer(ID3DXBuffer *iface)
{
return CONTAINING_RECORD(iface, struct ID3DXBufferImpl, ID3DXBuffer_iface);
}
static HRESULT WINAPI ID3DXBufferImpl_QueryInterface(ID3DXBuffer *iface, REFIID riid, void **ppobj)
{
TRACE("iface %p, riid %s, object %p\n", iface, debugstr_guid(riid), ppobj);
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if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_ID3DXBuffer))
{
IUnknown_AddRef(iface);
*ppobj = iface;
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return D3D_OK;
}
WARN("%s not implemented, returning E_NOINTERFACE\n", debugstr_guid(riid));
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return E_NOINTERFACE;
}
static ULONG WINAPI ID3DXBufferImpl_AddRef(ID3DXBuffer *iface)
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{
struct ID3DXBufferImpl *This = impl_from_ID3DXBuffer(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
TRACE("%p increasing refcount to %u\n", This, ref);
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return ref;
}
static ULONG WINAPI ID3DXBufferImpl_Release(ID3DXBuffer *iface)
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{
struct ID3DXBufferImpl *This = impl_from_ID3DXBuffer(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
TRACE("%p decreasing refcount to %u\n", This, ref);
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if (ref == 0)
{
HeapFree(GetProcessHeap(), 0, This->buffer);
HeapFree(GetProcessHeap(), 0, This);
}
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return ref;
}
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static void * WINAPI ID3DXBufferImpl_GetBufferPointer(ID3DXBuffer *iface)
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{
struct ID3DXBufferImpl *This = impl_from_ID3DXBuffer(iface);
TRACE("iface %p\n", iface);
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return This->buffer;
}
static DWORD WINAPI ID3DXBufferImpl_GetBufferSize(ID3DXBuffer *iface)
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{
struct ID3DXBufferImpl *This = impl_from_ID3DXBuffer(iface);
TRACE("iface %p\n", iface);
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return This->size;
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}
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static const struct ID3DXBufferVtbl ID3DXBufferImpl_Vtbl =
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{
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/* IUnknown methods */
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ID3DXBufferImpl_QueryInterface,
ID3DXBufferImpl_AddRef,
ID3DXBufferImpl_Release,
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/* ID3DXBuffer methods */
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ID3DXBufferImpl_GetBufferPointer,
ID3DXBufferImpl_GetBufferSize
};
static HRESULT d3dx9_buffer_init(struct ID3DXBufferImpl *buffer, DWORD size)
{
buffer->ID3DXBuffer_iface.lpVtbl = &ID3DXBufferImpl_Vtbl;
buffer->ref = 1;
buffer->size = size;
buffer->buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
if (!buffer->buffer)
{
ERR("Failed to allocate buffer memory\n");
return E_OUTOFMEMORY;
}
return D3D_OK;
}
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HRESULT WINAPI D3DXCreateBuffer(DWORD size, ID3DXBuffer **buffer)
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{
struct ID3DXBufferImpl *object;
HRESULT hr;
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if (!buffer)
{
WARN("Invalid buffer specified.\n");
return D3DERR_INVALIDCALL;
}
object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object));
if (!object)
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return E_OUTOFMEMORY;
hr = d3dx9_buffer_init(object, size);
if (FAILED(hr))
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{
WARN("Failed to initialize buffer, hr %#x.\n", hr);
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HeapFree(GetProcessHeap(), 0, object);
return hr;
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}
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*buffer = &object->ID3DXBuffer_iface;
TRACE("Created ID3DXBuffer %p.\n", *buffer);
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return D3D_OK;
}