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 riid, void **object)
35 TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(riid), object);
37 if (IsEqualGUID(riid, &IID_IWineD3DPalette)
38 || IsEqualGUID(riid, &IID_IWineD3DBase)
39 || IsEqualGUID(riid, &IID_IUnknown))
41 IUnknown_AddRef(iface);
46 WARN("%s not implemented, returning E_NOINTERFACE.\n", debugstr_guid(riid));
52 static ULONG WINAPI IWineD3DPaletteImpl_AddRef(IWineD3DPalette *iface) {
53 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
54 ULONG ref = InterlockedIncrement(&This->ref);
56 TRACE("(%p)->() incrementing from %u.\n", This, ref - 1);
61 static ULONG WINAPI IWineD3DPaletteImpl_Release(IWineD3DPalette *iface) {
62 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
63 ULONG ref = InterlockedDecrement(&This->ref);
65 TRACE("(%p)->() decrementing from %u.\n", This, ref + 1);
68 DeleteObject(This->hpal);
69 HeapFree(GetProcessHeap(), 0, This);
76 /* Not called from the vtable */
77 static WORD IWineD3DPaletteImpl_Size(DWORD flags)
79 switch (flags & SIZE_BITS)
81 case WINEDDPCAPS_1BIT: return 2;
82 case WINEDDPCAPS_2BIT: return 4;
83 case WINEDDPCAPS_4BIT: return 16;
84 case WINEDDPCAPS_8BIT: return 256;
86 FIXME("Unhandled size bits %#x.\n", flags & SIZE_BITS);
91 static HRESULT WINAPI IWineD3DPaletteImpl_GetEntries(IWineD3DPalette *iface,
92 DWORD flags, DWORD Start, DWORD Count, PALETTEENTRY *PalEnt)
94 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
96 TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
97 iface, flags, Start, Count, PalEnt);
99 if (flags) return WINED3DERR_INVALIDCALL; /* unchecked */
100 if (Start + Count > IWineD3DPaletteImpl_Size(This->flags))
101 return WINED3DERR_INVALIDCALL;
103 if (This->flags & WINEDDPCAPS_8BITENTRIES)
106 LPBYTE entry = (LPBYTE)PalEnt;
108 for (i=Start; i < Count+Start; i++)
109 *entry++ = This->palents[i].peRed;
112 memcpy(PalEnt, This->palents+Start, Count * sizeof(PALETTEENTRY));
117 static HRESULT WINAPI IWineD3DPaletteImpl_SetEntries(IWineD3DPalette *iface,
118 DWORD flags, DWORD Start, DWORD Count, const PALETTEENTRY *PalEnt)
120 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
121 IWineD3DResourceImpl *res;
123 TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
124 iface, flags, Start, Count, PalEnt);
125 TRACE("Palette flags: %#x.\n", This->flags);
127 if (This->flags & WINEDDPCAPS_8BITENTRIES)
130 const BYTE* entry = (const BYTE*)PalEnt;
132 for (i=Start; i < Count+Start; i++)
133 This->palents[i].peRed = *entry++;
136 memcpy(This->palents+Start, PalEnt, Count * sizeof(PALETTEENTRY));
138 /* When WINEDDCAPS_ALLOW256 isn't set we need to override entry 0 with black and 255 with white */
139 if (!(This->flags & WINEDDPCAPS_ALLOW256))
141 TRACE("WINEDDPCAPS_ALLOW256 set, overriding palette entry 0 with black and 255 with white\n");
142 This->palents[0].peRed = 0;
143 This->palents[0].peGreen = 0;
144 This->palents[0].peBlue = 0;
146 This->palents[255].peRed = 255;
147 This->palents[255].peGreen = 255;
148 This->palents[255].peBlue = 255;
152 SetPaletteEntries(This->hpal, Start, Count, This->palents+Start);
156 /* Now, if we are in 'depth conversion mode', update the screen palette */
157 /* FIXME: we need to update the image or we won't get palette fading. */
158 if (This->ddraw->d->palette_convert)
159 This->ddraw->d->palette_convert(palent,This->screen_palents,start,count);
162 /* If the palette is attached to the render target, update all render targets */
164 LIST_FOR_EACH_ENTRY(res, &This->device->resources, IWineD3DResourceImpl, resource.resource_list_entry)
166 if (IWineD3DResource_GetType((IWineD3DResource *)res) == WINED3DRTYPE_SURFACE)
168 IWineD3DSurfaceImpl *surface = (IWineD3DSurfaceImpl *)res;
169 if (surface->palette == This)
170 surface->surface_ops->surface_realize_palette(surface);
177 static HRESULT WINAPI IWineD3DPaletteImpl_GetCaps(IWineD3DPalette *iface, DWORD *Caps) {
178 IWineD3DPaletteImpl *This = (IWineD3DPaletteImpl *)iface;
179 TRACE("(%p)->(%p)\n", This, Caps);
185 static void * WINAPI IWineD3DPaletteImpl_GetParent(IWineD3DPalette *iface)
187 TRACE("iface %p.\n", iface);
189 return ((IWineD3DPaletteImpl *)iface)->parent;
192 static const IWineD3DPaletteVtbl IWineD3DPalette_Vtbl =
195 IWineD3DPaletteImpl_QueryInterface,
196 IWineD3DPaletteImpl_AddRef,
197 IWineD3DPaletteImpl_Release,
198 /*** IWineD3DPalette ***/
199 IWineD3DPaletteImpl_GetParent,
200 IWineD3DPaletteImpl_GetEntries,
201 IWineD3DPaletteImpl_GetCaps,
202 IWineD3DPaletteImpl_SetEntries
205 HRESULT wined3d_palette_init(IWineD3DPaletteImpl *palette, IWineD3DDeviceImpl *device,
206 DWORD flags, const PALETTEENTRY *entries, void *parent)
210 palette->lpVtbl = &IWineD3DPalette_Vtbl;
212 palette->parent = parent;
213 palette->device = device;
214 palette->flags = flags;
216 palette->palNumEntries = IWineD3DPaletteImpl_Size(flags);
217 palette->hpal = CreatePalette((const LOGPALETTE *)&palette->palVersion);
220 WARN("Failed to create palette.\n");
224 hr = IWineD3DPalette_SetEntries((IWineD3DPalette *)palette, 0, 0, IWineD3DPaletteImpl_Size(flags), entries);
227 WARN("Failed to set palette entries, hr %#x.\n", hr);
228 DeleteObject(palette->hpal);