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"
28 #include "wined3d_private.h"
30 WINE_DEFAULT_DEBUG_CHANNEL(d3d);
32 #define SIZE_BITS (WINEDDPCAPS_1BIT | WINEDDPCAPS_2BIT | WINEDDPCAPS_4BIT | WINEDDPCAPS_8BIT)
34 static HRESULT WINAPI IWineD3DPaletteImpl_QueryInterface(IWineD3DPalette *iface, REFIID refiid, void **obj) {
35 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
36 TRACE("(%p)->(%s,%p)\n",This,debugstr_guid(refiid),obj);
38 if (IsEqualGUID(refiid, &IID_IUnknown)
39 || IsEqualGUID(refiid, &IID_IWineD3DPalette)) {
41 IWineD3DPalette_AddRef(iface);
50 static ULONG WINAPI IWineD3DPaletteImpl_AddRef(IWineD3DPalette *iface) {
51 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
52 ULONG ref = InterlockedIncrement(&This->ref);
54 TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
59 static ULONG WINAPI IWineD3DPaletteImpl_Release(IWineD3DPalette *iface) {
60 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
61 ULONG ref = InterlockedDecrement(&This->ref);
63 TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
66 DeleteObject(This->hpal);
67 HeapFree(GetProcessHeap(), 0, This);
74 /* Not called from the vtable */
75 DWORD IWineD3DPaletteImpl_Size(DWORD dwFlags) {
76 switch (dwFlags & SIZE_BITS) {
77 case WINEDDPCAPS_1BIT: return 2;
78 case WINEDDPCAPS_2BIT: return 4;
79 case WINEDDPCAPS_4BIT: return 16;
80 case WINEDDPCAPS_8BIT: return 256;
81 default: assert(0); return 256;
85 static HRESULT WINAPI IWineD3DPaletteImpl_GetEntries(IWineD3DPalette *iface, DWORD Flags, DWORD Start, DWORD Count, PALETTEENTRY *PalEnt) {
86 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
88 TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
90 if (Flags != 0) return WINED3DERR_INVALIDCALL; /* unchecked */
91 if (Start + Count > IWineD3DPaletteImpl_Size(This->Flags))
92 return WINED3DERR_INVALIDCALL;
94 if (This->Flags & WINEDDPCAPS_8BITENTRIES)
97 LPBYTE entry = (LPBYTE)PalEnt;
99 for (i=Start; i < Count+Start; i++)
100 *entry++ = This->palents[i].peRed;
103 memcpy(PalEnt, This->palents+Start, Count * sizeof(PALETTEENTRY));
108 static HRESULT WINAPI IWineD3DPaletteImpl_SetEntries(IWineD3DPalette *iface,
109 DWORD Flags, DWORD Start, DWORD Count, const PALETTEENTRY *PalEnt)
111 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
112 IWineD3DResourceImpl *res;
114 TRACE("(%p)->(%08x,%d,%d,%p)\n",This,Flags,Start,Count,PalEnt);
115 TRACE("Palette flags: %#x\n", This->Flags);
117 if (This->Flags & WINEDDPCAPS_8BITENTRIES) {
119 const BYTE* entry = (const BYTE*)PalEnt;
121 for (i=Start; i < Count+Start; i++)
122 This->palents[i].peRed = *entry++;
125 memcpy(This->palents+Start, PalEnt, Count * sizeof(PALETTEENTRY));
127 /* When WINEDDCAPS_ALLOW256 isn't set we need to override entry 0 with black and 255 with white */
128 if(!(This->Flags & WINEDDPCAPS_ALLOW256))
130 TRACE("WINEDDPCAPS_ALLOW256 set, overriding palette entry 0 with black and 255 with white\n");
131 This->palents[0].peRed = 0;
132 This->palents[0].peGreen = 0;
133 This->palents[0].peBlue = 0;
135 This->palents[255].peRed = 255;
136 This->palents[255].peGreen = 255;
137 This->palents[255].peBlue = 255;
141 SetPaletteEntries(This->hpal, Start, Count, This->palents+Start);
145 /* Now, if we are in 'depth conversion mode', update the screen palette */
146 /* FIXME: we need to update the image or we won't get palette fading. */
147 if (This->ddraw->d->palette_convert != NULL)
148 This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
151 /* If the palette is attached to the render target, update all render targets */
153 LIST_FOR_EACH_ENTRY(res, &This->wineD3DDevice->resources, IWineD3DResourceImpl, resource.resource_list_entry) {
154 if(IWineD3DResource_GetType((IWineD3DResource *) res) == WINED3DRTYPE_SURFACE) {
155 IWineD3DSurfaceImpl *impl = (IWineD3DSurfaceImpl *) res;
156 if(impl->palette == This)
157 IWineD3DSurface_RealizePalette((IWineD3DSurface *) res);
164 static HRESULT WINAPI IWineD3DPaletteImpl_GetCaps(IWineD3DPalette *iface, DWORD *Caps) {
165 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
166 TRACE("(%p)->(%p)\n", This, Caps);
172 static HRESULT WINAPI IWineD3DPaletteImpl_GetParent(IWineD3DPalette *iface, IUnknown **Parent) {
173 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
174 TRACE("(%p)->(%p)\n", This, Parent);
176 *Parent = This->parent;
177 IUnknown_AddRef(This->parent);
181 const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
184 IWineD3DPaletteImpl_QueryInterface,
185 IWineD3DPaletteImpl_AddRef,
186 IWineD3DPaletteImpl_Release,
187 /*** IWineD3DPalette ***/
188 IWineD3DPaletteImpl_GetParent,
189 IWineD3DPaletteImpl_GetEntries,
190 IWineD3DPaletteImpl_GetCaps,
191 IWineD3DPaletteImpl_SetEntries