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273 lines
8 KiB
C
273 lines
8 KiB
C
/*
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* Copyright 2006 Stefan Dösinger
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <config.h>
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//#include "wine/port.h"
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#include "ddraw_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(ddraw);
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/*****************************************************************************
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* IDirectDrawPalette::QueryInterface
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*
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* A usual QueryInterface implementation. Can only Query IUnknown and
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* IDirectDrawPalette
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*
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* Params:
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* refiid: The interface id queried for
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* obj: Address to return the interface pointer at
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*
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* Returns:
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* S_OK on success
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* E_NOINTERFACE if the requested interface wasn't found
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*****************************************************************************/
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static HRESULT WINAPI ddraw_palette_QueryInterface(IDirectDrawPalette *iface, REFIID refiid, void **obj)
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{
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TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(refiid), obj);
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if (IsEqualGUID(refiid, &IID_IUnknown)
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|| IsEqualGUID(refiid, &IID_IDirectDrawPalette))
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{
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*obj = iface;
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IDirectDrawPalette_AddRef(iface);
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return S_OK;
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}
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else
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{
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*obj = NULL;
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return E_NOINTERFACE;
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}
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}
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/*****************************************************************************
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* IDirectDrawPaletteImpl::AddRef
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*
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* Increases the refcount.
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*
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* Returns:
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* The new refcount
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*
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*****************************************************************************/
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static ULONG WINAPI ddraw_palette_AddRef(IDirectDrawPalette *iface)
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{
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struct ddraw_palette *This = impl_from_IDirectDrawPalette(iface);
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ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("%p increasing refcount to %u.\n", This, ref);
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return ref;
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}
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/*****************************************************************************
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* IDirectDrawPaletteImpl::Release
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*
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* Reduces the refcount. If the refcount falls to 0, the object is destroyed
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*
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* Returns:
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* The new refcount
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*
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*****************************************************************************/
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static ULONG WINAPI ddraw_palette_Release(IDirectDrawPalette *iface)
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{
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struct ddraw_palette *This = impl_from_IDirectDrawPalette(iface);
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("%p decreasing refcount to %u.\n", This, ref);
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if (ref == 0)
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{
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wined3d_mutex_lock();
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wined3d_palette_decref(This->wineD3DPalette);
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if(This->ifaceToRelease)
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{
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IUnknown_Release(This->ifaceToRelease);
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}
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wined3d_mutex_unlock();
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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/*****************************************************************************
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* IDirectDrawPalette::Initialize
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*
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* Initializes the palette. As we start initialized, return
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* DDERR_ALREADYINITIALIZED
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*
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* Params:
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* DD: DirectDraw interface this palette is assigned to
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* Flags: Some flags, as usual
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* ColorTable: The startup color table
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*
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* Returns:
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* DDERR_ALREADYINITIALIZED
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*
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*****************************************************************************/
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static HRESULT WINAPI ddraw_palette_Initialize(IDirectDrawPalette *iface,
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IDirectDraw *ddraw, DWORD flags, PALETTEENTRY *entries)
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{
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TRACE("iface %p, ddraw %p, flags %#x, entries %p.\n",
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iface, ddraw, flags, entries);
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return DDERR_ALREADYINITIALIZED;
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}
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/*****************************************************************************
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* IDirectDrawPalette::GetCaps
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*
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* Returns the palette description
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*
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* Params:
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* Caps: Address to store the caps at
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if Caps is NULL
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* For more details, see IWineD3DPalette::GetCaps
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*
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*****************************************************************************/
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static HRESULT WINAPI ddraw_palette_GetCaps(IDirectDrawPalette *iface, DWORD *caps)
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{
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struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
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TRACE("iface %p, caps %p.\n", iface, caps);
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wined3d_mutex_lock();
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*caps = wined3d_palette_get_flags(palette->wineD3DPalette);
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wined3d_mutex_unlock();
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return D3D_OK;
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}
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/*****************************************************************************
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* IDirectDrawPalette::SetEntries
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*
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* Sets the palette entries from a PALETTEENTRY structure. WineD3D takes
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* care for updating the surface.
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*
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* Params:
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* Flags: Flags, as usual
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* Start: First palette entry to set
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* Count: Number of entries to set
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* PalEnt: Source entries
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if PalEnt is NULL
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* For details, see IWineD3DDevice::SetEntries
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*
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*****************************************************************************/
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static HRESULT WINAPI ddraw_palette_SetEntries(IDirectDrawPalette *iface,
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DWORD flags, DWORD start, DWORD count, PALETTEENTRY *entries)
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{
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struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
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HRESULT hr;
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TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
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iface, flags, start, count, entries);
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if (!entries)
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return DDERR_INVALIDPARAMS;
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wined3d_mutex_lock();
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hr = wined3d_palette_set_entries(palette->wineD3DPalette, flags, start, count, entries);
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wined3d_mutex_unlock();
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return hr;
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}
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/*****************************************************************************
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* IDirectDrawPalette::GetEntries
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*
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* Returns the entries stored in this interface.
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*
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* Params:
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* Flags: Flags :)
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* Start: First entry to return
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* Count: The number of entries to return
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* PalEnt: PALETTEENTRY structure to write the entries to
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*
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* Returns:
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* D3D_OK on success
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* DDERR_INVALIDPARAMS if PalEnt is NULL
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* For details, see IWineD3DDevice::SetEntries
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*
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*****************************************************************************/
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static HRESULT WINAPI ddraw_palette_GetEntries(IDirectDrawPalette *iface,
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DWORD flags, DWORD start, DWORD count, PALETTEENTRY *entries)
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{
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struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
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HRESULT hr;
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TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
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iface, flags, start, count, entries);
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if (!entries)
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return DDERR_INVALIDPARAMS;
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wined3d_mutex_lock();
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hr = wined3d_palette_get_entries(palette->wineD3DPalette, flags, start, count, entries);
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wined3d_mutex_unlock();
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return hr;
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}
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static const struct IDirectDrawPaletteVtbl ddraw_palette_vtbl =
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{
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/*** IUnknown ***/
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ddraw_palette_QueryInterface,
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ddraw_palette_AddRef,
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ddraw_palette_Release,
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/*** IDirectDrawPalette ***/
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ddraw_palette_GetCaps,
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ddraw_palette_GetEntries,
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ddraw_palette_Initialize,
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ddraw_palette_SetEntries
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};
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struct ddraw_palette *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface)
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{
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if (!iface) return NULL;
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assert(iface->lpVtbl == &ddraw_palette_vtbl);
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return CONTAINING_RECORD(iface, struct ddraw_palette, IDirectDrawPalette_iface);
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}
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HRESULT ddraw_palette_init(struct ddraw_palette *palette,
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struct ddraw *ddraw, DWORD flags, PALETTEENTRY *entries)
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{
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HRESULT hr;
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palette->IDirectDrawPalette_iface.lpVtbl = &ddraw_palette_vtbl;
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palette->ref = 1;
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hr = wined3d_palette_create(ddraw->wined3d_device, flags,
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entries, palette, &palette->wineD3DPalette);
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if (FAILED(hr))
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{
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WARN("Failed to create wined3d palette, hr %#x.\n", hr);
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return hr;
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}
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palette->ifaceToRelease = (IUnknown *)&ddraw->IDirectDraw7_iface;
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IUnknown_AddRef(palette->ifaceToRelease);
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return DD_OK;
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}
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