/* 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 "wine/port.h" #include "winerror.h" #include "wine/debug.h" #include <string.h> #include "wined3d_private.h" WINE_DEFAULT_DEBUG_CHANNEL(d3d); 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; } 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 > palette->palNumEntries || count > palette->palNumEntries - start) return WINED3DERR_INVALIDCALL; if (palette->flags & WINED3D_PALETTE_8BIT_ENTRIES) { 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 & WINED3D_PALETTE_8BIT_ENTRIES) { 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 & WINED3D_PALETTE_ALLOW_256)) { TRACE("WINED3D_PALETTE_ALLOW_256 not 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->type == WINED3D_RTYPE_SURFACE) { struct wined3d_surface *surface = surface_from_resource(resource); if (surface->palette == palette) surface->surface_ops->surface_realize_palette(surface); } } return WINED3D_OK; } static HRESULT wined3d_palette_init(struct wined3d_palette *palette, struct wined3d_device *device, DWORD flags, unsigned int entry_count, const PALETTEENTRY *entries) { HRESULT hr; palette->ref = 1; palette->device = device; palette->flags = flags; palette->palNumEntries = entry_count; palette->hpal = CreatePalette((const LOGPALETTE *)&palette->palVersion); if (!palette->hpal) { WARN("Failed to create palette.\n"); return E_FAIL; } if (FAILED(hr = wined3d_palette_set_entries(palette, 0, 0, entry_count, entries))) { WARN("Failed to set palette entries, hr %#x.\n", hr); DeleteObject(palette->hpal); return hr; } return WINED3D_OK; } HRESULT CDECL wined3d_palette_create(struct wined3d_device *device, DWORD flags, unsigned int entry_count, const PALETTEENTRY *entries, struct wined3d_palette **palette) { struct wined3d_palette *object; HRESULT hr; TRACE("device %p, flags %#x, entries %p, palette %p.\n", device, flags, entries, palette); object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*object)); if (!object) return E_OUTOFMEMORY; if (FAILED(hr = wined3d_palette_init(object, device, flags, entry_count, entries))) { WARN("Failed to initialize palette, hr %#x.\n", hr); HeapFree(GetProcessHeap(), 0, object); return hr; } TRACE("Created palette %p.\n", object); *palette = object; return WINED3D_OK; }