wine/dlls/wined3d/sampler.c

76 lines
2.1 KiB
C

/*
* Copyright 2012 Henri Verbeet for CodeWeavers
*
* 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 "config.h"
#include "wine/port.h"
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d);
ULONG CDECL wined3d_sampler_incref(struct wined3d_sampler *sampler)
{
ULONG refcount = InterlockedIncrement(&sampler->refcount);
TRACE("%p increasing refcount to %u.\n", sampler, refcount);
return refcount;
}
ULONG CDECL wined3d_sampler_decref(struct wined3d_sampler *sampler)
{
ULONG refcount = InterlockedDecrement(&sampler->refcount);
TRACE("%p decreasing refcount to %u.\n", sampler, refcount);
if (!refcount)
HeapFree(GetProcessHeap(), 0, sampler);
return refcount;
}
void * CDECL wined3d_sampler_get_parent(const struct wined3d_sampler *sampler)
{
TRACE("sampler %p.\n", sampler);
return sampler->parent;
}
static void wined3d_sampler_init(struct wined3d_sampler *sampler, void *parent)
{
sampler->refcount = 1;
sampler->parent = parent;
}
HRESULT CDECL wined3d_sampler_create(void *parent, struct wined3d_sampler **sampler)
{
struct wined3d_sampler *object;
TRACE("parent %p, sampler %p.\n", parent, sampler);
if (!(object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object))))
return E_OUTOFMEMORY;
wined3d_sampler_init(object, parent);
TRACE("Created sampler %p.\n", object);
*sampler = object;
return WINED3D_OK;
}