Sweden-Number/dlls/wined3d/palette.c

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/* DirectDraw - IDirectPalette base interface
*
* Copyright 1997-2000 Marcus Meissner
* Copyright 2000-2001 TransGaming Technologies Inc.
* Copyright 2006 Stefan D<EFBFBD>singer 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
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*/
#include "config.h"
#include "winerror.h"
#include "wine/debug.h"
#include <assert.h>
#include <string.h>
#include "wined3d_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(d3d);
#define SIZE_BITS (WINEDDPCAPS_1BIT | WINEDDPCAPS_2BIT | WINEDDPCAPS_4BIT | WINEDDPCAPS_8BIT)
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static HRESULT WINAPI IWineD3DPaletteImpl_QueryInterface(IWineD3DPalette *iface, REFIID refiid, void **obj) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
if (IsEqualGUID(refiid, &IID_IUnknown)
|| IsEqualGUID(refiid, &IID_IWineD3DPalette)) {
*obj = iface;
IWineD3DPalette_AddRef(iface);
return S_OK;
}
else {
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*obj = NULL;
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return E_NOINTERFACE;
}
}
static ULONG WINAPI IWineD3DPaletteImpl_AddRef(IWineD3DPalette *iface) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
ULONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
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return ref;
}
static ULONG WINAPI IWineD3DPaletteImpl_Release(IWineD3DPalette *iface) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
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if (!ref) {
DeleteObject(This->hpal);
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HeapFree(GetProcessHeap(), 0, This);
return 0;
}
return ref;
}
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/* Not called from the vtable */
DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags) {
switch (dwFlags & SIZE_BITS) {
case WINEDDPCAPS_1BIT: return 2;
case WINEDDPCAPS_2BIT: return 4;
case WINEDDPCAPS_4BIT: return 16;
case WINEDDPCAPS_8BIT: return 256;
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default: assert(0); return 256;
}
}
static HRESULT WINAPI IWineD3DPaletteImpl_GetEntries(IWineD3DPalette *iface, DWORD Flags, DWORD Start, DWORD Count, PALETTEENTRY *PalEnt) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
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TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
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if (Flags != 0) return WINED3DERR_INVALIDCALL; /* unchecked */
if (Start + Count > IWineD3DPaletteImpl_Size(This->Flags))
return WINED3DERR_INVALIDCALL;
if (This->Flags & WINEDDPCAPS_8BITENTRIES)
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{
unsigned int i;
LPBYTE entry = (LPBYTE)PalEnt;
for (i=Start; i < Count+Start; i++)
*entry++ = This->palents[i].peRed;
}
else
memcpy(PalEnt, This->palents+Start, Count * sizeof(PALETTEENTRY));
return WINED3D_OK;
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}
static HRESULT WINAPI IWineD3DPaletteImpl_SetEntries(IWineD3DPalette *iface, DWORD Flags, DWORD Start, DWORD Count, PALETTEENTRY *PalEnt)
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{
IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
IWineD3DResourceImpl *res;
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TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
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if (This->Flags & WINEDDPCAPS_8BITENTRIES) {
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unsigned int i;
const BYTE* entry = (const BYTE*)PalEnt;
for (i=Start; i < Count+Start; i++)
This->palents[i].peRed = *entry++;
}
else {
memcpy(This->palents+Start, PalEnt, Count * sizeof(PALETTEENTRY));
if (This->hpal)
SetPaletteEntries(This->hpal, Start, Count, This->palents+Start);
}
#if 0
/* Now, if we are in 'depth conversion mode', update the screen palette */
/* FIXME: we need to update the image or we won't get palette fading. */
if (This->ddraw->d->palette_convert != NULL)
This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
#endif
/* If the palette is attached to the render target, update all render targets */
LIST_FOR_EACH_ENTRY(res, &This->wineD3DDevice->resources, IWineD3DResourceImpl, resource.resource_list_entry) {
if(IWineD3DResource_GetType((IWineD3DResource *) res) == WINED3DRTYPE_SURFACE) {
IWineD3DSurfaceImpl *impl = (IWineD3DSurfaceImpl *) res;
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if(impl->palette == This)
IWineD3DSurface_RealizePalette((IWineD3DSurface *) res);
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}
}
/* If the palette is the primary palette, set the entries to the device */
if(This->Flags & WINEDDPCAPS_PRIMARYSURFACE) {
unsigned int i;
IWineD3DDeviceImpl *device = This->wineD3DDevice;
PALETTEENTRY *entry = PalEnt;
for(i = Start; i < Start+Count; i++) {
device->palettes[device->currentPalette][i] = *entry++;
}
}
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return WINED3D_OK;
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}
static HRESULT WINAPI IWineD3DPaletteImpl_GetCaps(IWineD3DPalette *iface, DWORD *Caps) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
TRACE("(%p)->(%p)\n", This, Caps);
*Caps = This->Flags;
return WINED3D_OK;
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}
static HRESULT WINAPI IWineD3DPaletteImpl_GetParent(IWineD3DPalette *iface, IUnknown **Parent) {
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IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
TRACE("(%p)->(%p)\n", This, Parent);
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*Parent = This->parent;
IUnknown_AddRef(This->parent);
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return WINED3D_OK;
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}
const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
{
/*** IUnknown ***/
IWineD3DPaletteImpl_QueryInterface,
IWineD3DPaletteImpl_AddRef,
IWineD3DPaletteImpl_Release,
/*** IWineD3DPalette ***/
IWineD3DPaletteImpl_GetParent,
IWineD3DPaletteImpl_GetEntries,
IWineD3DPaletteImpl_GetCaps,
IWineD3DPaletteImpl_SetEntries
};