1 /* DirectDraw - IDirectPalette base interface
3 * Copyright 1997-2000 Marcus Meissner
4 * Copyright 2000-2001 TransGaming Technologies Inc.
5 * Copyright 2006 Stefan Dösinger for CodeWeavers
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/debug.h"
27 #include "wined3d_private.h"
29 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
31 #define SIZE_BITS (WINEDDPCAPS_1BIT | WINEDDPCAPS_2BIT | WINEDDPCAPS_4BIT | WINEDDPCAPS_8BIT)
33 static HRESULT WINAPI IWineD3DPaletteImpl_QueryInterface(IWineD3DPalette *iface, REFIID refiid, void **obj) {
34 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
35 TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
37 if (IsEqualGUID(refiid, &IID_IUnknown)
38 || IsEqualGUID(refiid, &IID_IWineD3DPalette)) {
40 IWineD3DPalette_AddRef(iface);
49 static ULONG WINAPI IWineD3DPaletteImpl_AddRef(IWineD3DPalette *iface) {
50 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
51 ULONG ref = InterlockedIncrement(&This->ref);
53 TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
58 static ULONG WINAPI IWineD3DPaletteImpl_Release(IWineD3DPalette *iface) {
59 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
60 ULONG ref = InterlockedDecrement(&This->ref);
62 TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
65 DeleteObject(This->hpal);
66 HeapFree(GetProcessHeap(), 0, This);
73 /* Not called from the vtable */
74 DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags) {
75 switch (dwFlags & SIZE_BITS) {
76 case WINEDDPCAPS_1BIT: return 2;
77 case WINEDDPCAPS_2BIT: return 4;
78 case WINEDDPCAPS_4BIT: return 16;
79 case WINEDDPCAPS_8BIT: return 256;
81 FIXME("Unhandled size bits %#x.\n", dwFlags & SIZE_BITS);
86 static HRESULT WINAPI IWineD3DPaletteImpl_GetEntries(IWineD3DPalette *iface, DWORD Flags, DWORD Start, DWORD Count, PALETTEENTRY *PalEnt) {
87 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
89 TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
91 if (Flags != 0) return WINED3DERR_INVALIDCALL; /* unchecked */
92 if (Start + Count > IWineD3DPaletteImpl_Size(This->Flags))
93 return WINED3DERR_INVALIDCALL;
95 if (This->Flags & WINEDDPCAPS_8BITENTRIES)
98 LPBYTE entry = (LPBYTE)PalEnt;
100 for (i=Start; i < Count+Start; i++)
101 *entry++ = This->palents[i].peRed;
104 memcpy(PalEnt, This->palents+Start, Count * sizeof(PALETTEENTRY));
109 static HRESULT WINAPI IWineD3DPaletteImpl_SetEntries(IWineD3DPalette *iface,
110 DWORD Flags, DWORD Start, DWORD Count, const PALETTEENTRY *PalEnt)
112 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
113 IWineD3DResourceImpl *res;
115 TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
116 TRACE("Palette flags: %#x\n", This->Flags);
118 if (This->Flags & WINEDDPCAPS_8BITENTRIES) {
120 const BYTE* entry = (const BYTE*)PalEnt;
122 for (i=Start; i < Count+Start; i++)
123 This->palents[i].peRed = *entry++;
126 memcpy(This->palents+Start, PalEnt, Count * sizeof(PALETTEENTRY));
128 /* When WINEDDCAPS_ALLOW256 isn't set we need to override entry 0 with black and 255 with white */
129 if(!(This->Flags & WINEDDPCAPS_ALLOW256))
131 TRACE("WINEDDPCAPS_ALLOW256 set, overriding palette entry 0 with black and 255 with white\n");
132 This->palents[0].peRed = 0;
133 This->palents[0].peGreen = 0;
134 This->palents[0].peBlue = 0;
136 This->palents[255].peRed = 255;
137 This->palents[255].peGreen = 255;
138 This->palents[255].peBlue = 255;
142 SetPaletteEntries(This->hpal, Start, Count, This->palents+Start);
146 /* Now, if we are in 'depth conversion mode', update the screen palette */
147 /* FIXME: we need to update the image or we won't get palette fading. */
148 if (This->ddraw->d->palette_convert != NULL)
149 This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
152 /* If the palette is attached to the render target, update all render targets */
154 LIST_FOR_EACH_ENTRY(res, &This->device->resources, IWineD3DResourceImpl, resource.resource_list_entry)
156 if(IWineD3DResource_GetType((IWineD3DResource *) res) == WINED3DRTYPE_SURFACE) {
157 IWineD3DSurfaceImpl *impl = (IWineD3DSurfaceImpl *) res;
158 if(impl->palette == This)
159 IWineD3DSurface_RealizePalette((IWineD3DSurface *) res);
166 static HRESULT WINAPI IWineD3DPaletteImpl_GetCaps(IWineD3DPalette *iface, DWORD *Caps) {
167 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
168 TRACE("(%p)->(%p)\n", This, Caps);
174 static HRESULT WINAPI IWineD3DPaletteImpl_GetParent(IWineD3DPalette *iface, IUnknown **Parent) {
175 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
176 TRACE("(%p)->(%p)\n", This, Parent);
178 *Parent = This->parent;
179 IUnknown_AddRef(This->parent);
183 const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
186 IWineD3DPaletteImpl_QueryInterface,
187 IWineD3DPaletteImpl_AddRef,
188 IWineD3DPaletteImpl_Release,
189 /*** IWineD3DPalette ***/
190 IWineD3DPaletteImpl_GetParent,
191 IWineD3DPaletteImpl_GetEntries,
192 IWineD3DPaletteImpl_GetCaps,
193 IWineD3DPaletteImpl_SetEntries