/* DirectDraw - IDirectPalette base interface * * Copyright 1997-2000 Marcus Meissner * Copyright 2000-2001 TransGaming Technologies Inc. * Copyright 2006 Stefan Dösinger 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 */ #include "config.h" #include "winerror.h" #include "wine/debug.h" #include <string.h> #include "wined3d_private.h" WINE_DEFAULT_DEBUG_CHANNEL(d3d); #define SIZE_BITS (WINEDDPCAPS_1BIT | WINEDDPCAPS_2BIT | WINEDDPCAPS_4BIT | WINEDDPCAPS_8BIT) ULONG CDECL wined3d_palette_incref(struct wined3d_palette *palette) { ULONG refcount = InterlockedIncrement(&palette->ref); TRACE("%p increasing refcount to %u.\n", palette, refcount); return refcount; } ULONG CDECL wined3d_palette_decref(struct wined3d_palette *palette) { ULONG refcount = InterlockedDecrement(&palette->ref); TRACE("%p decreasing refcount to %u.\n", palette, refcount); if (!refcount) { DeleteObject(palette->hpal); HeapFree(GetProcessHeap(), 0, palette); } return refcount; } static WORD wined3d_palette_size(DWORD flags) { switch (flags & SIZE_BITS) { case WINEDDPCAPS_1BIT: return 2; case WINEDDPCAPS_2BIT: return 4; case WINEDDPCAPS_4BIT: return 16; case WINEDDPCAPS_8BIT: return 256; default: FIXME("Unhandled size bits %#x.\n", flags & SIZE_BITS); return 256; } } HRESULT CDECL wined3d_palette_get_entries(const struct wined3d_palette *palette, DWORD flags, DWORD start, DWORD count, PALETTEENTRY *entries) { TRACE("palette %p, flags %#x, start %u, count %u, entries %p.\n", palette, flags, start, count, entries); if (flags) return WINED3DERR_INVALIDCALL; /* unchecked */ if (start + count > wined3d_palette_size(palette->flags)) return WINED3DERR_INVALIDCALL; if (palette->flags & WINEDDPCAPS_8BITENTRIES) { BYTE *entry = (BYTE *)entries; unsigned int i; for (i = start; i < count + start; ++i) *entry++ = palette->palents[i].peRed; } else memcpy(entries, palette->palents + start, count * sizeof(*entries)); return WINED3D_OK; } HRESULT CDECL wined3d_palette_set_entries(struct wined3d_palette *palette, DWORD flags, DWORD start, DWORD count, const PALETTEENTRY *entries) { struct wined3d_resource *resource; TRACE("palette %p, flags %#x, start %u, count %u, entries %p.\n", palette, flags, start, count, entries); TRACE("Palette flags: %#x.\n", palette->flags); if (palette->flags & WINEDDPCAPS_8BITENTRIES) { const BYTE *entry = (const BYTE *)entries; unsigned int i; for (i = start; i < count + start; ++i) palette->palents[i].peRed = *entry++; } else { memcpy(palette->palents + start, entries, count * sizeof(*palette->palents)); /* When WINEDDCAPS_ALLOW256 isn't set we need to override entry 0 with black and 255 with white */ if (!(palette->flags & WINEDDPCAPS_ALLOW256)) { TRACE("WINEDDPCAPS_ALLOW256 set, overriding palette entry 0 with black and 255 with white\n"); palette->palents[0].peRed = 0; palette->palents[0].peGreen = 0; palette->palents[0].peBlue = 0; palette->palents[255].peRed = 255; palette->palents[255].peGreen = 255; palette->palents[255].peBlue = 255; } if (palette->hpal) SetPaletteEntries(palette->hpal, start, count, palette->palents + start); } /* If the palette is attached to the render target, update all render targets */ LIST_FOR_EACH_ENTRY(resource, &palette->device->resources, struct wined3d_resource, resource_list_entry) { if (resource->resourceType == WINED3DRTYPE_SURFACE) { IWineD3DSurfaceImpl *surface = surface_from_resource(resource); if (surface->palette == palette) surface->surface_ops->surface_realize_palette(surface); } } return WINED3D_OK; } DWORD CDECL wined3d_palette_get_flags(const struct wined3d_palette *palette) { TRACE("palette %p.\n", palette); return palette->flags; } void * CDECL wined3d_palette_get_parent(const struct wined3d_palette *palette) { TRACE("palette %p.\n", palette); return palette->parent; } HRESULT wined3d_palette_init(struct wined3d_palette *palette, IWineD3DDeviceImpl *device, DWORD flags, const PALETTEENTRY *entries, void *parent) { HRESULT hr; palette->ref = 1; palette->parent = parent; palette->device = device; palette->flags = flags; palette->palNumEntries = wined3d_palette_size(flags); palette->hpal = CreatePalette((const LOGPALETTE *)&palette->palVersion); if (!palette->hpal) { WARN("Failed to create palette.\n"); return E_FAIL; } hr = wined3d_palette_set_entries(palette, 0, 0, wined3d_palette_size(flags), entries); if (FAILED(hr)) { WARN("Failed to set palette entries, hr %#x.\n", hr); DeleteObject(palette->hpal); return hr; } return WINED3D_OK; }