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