+++ /dev/null
-/*
- * Copyright 2006 Stefan Dösinger
- *
- * 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 "ddraw_private.h"
-
-/*****************************************************************************
- * IDirectDrawPalette::QueryInterface
- *
- * A usual QueryInterface implementation. Can only Query IUnknown and
- * IDirectDrawPalette
- *
- * Params:
- * refiid: The interface id queried for
- * obj: Address to return the interface pointer at
- *
- * Returns:
- * S_OK on success
- * E_NOINTERFACE if the requested interface wasn't found
- *****************************************************************************/
-static HRESULT WINAPI ddraw_palette_QueryInterface(IDirectDrawPalette *iface, REFIID refiid, void **obj)
-{
- TRACE("iface %p, riid %s, object %p.\n", iface, debugstr_guid(refiid), obj);
-
- if (IsEqualGUID(refiid, &IID_IUnknown)
- || IsEqualGUID(refiid, &IID_IDirectDrawPalette))
- {
- *obj = iface;
- IDirectDrawPalette_AddRef(iface);
- return S_OK;
- }
- else
- {
- *obj = NULL;
- return E_NOINTERFACE;
- }
-}
-
-/*****************************************************************************
- * IDirectDrawPaletteImpl::AddRef
- *
- * Increases the refcount.
- *
- * Returns:
- * The new refcount
- *
- *****************************************************************************/
-static ULONG WINAPI ddraw_palette_AddRef(IDirectDrawPalette *iface)
-{
- struct ddraw_palette *This = impl_from_IDirectDrawPalette(iface);
- ULONG ref = InterlockedIncrement(&This->ref);
-
- TRACE("%p increasing refcount to %u.\n", This, ref);
-
- return ref;
-}
-
-/*****************************************************************************
- * IDirectDrawPaletteImpl::Release
- *
- * Reduces the refcount. If the refcount falls to 0, the object is destroyed
- *
- * Returns:
- * The new refcount
- *
- *****************************************************************************/
-static ULONG WINAPI ddraw_palette_Release(IDirectDrawPalette *iface)
-{
- struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
- ULONG ref = InterlockedDecrement(&palette->ref);
-
- TRACE("%p decreasing refcount to %u.\n", palette, ref);
-
- if (ref == 0)
- {
- wined3d_mutex_lock();
- wined3d_palette_decref(palette->wined3d_palette);
- if ((palette->flags & DDPCAPS_PRIMARYSURFACE) && palette->ddraw->primary)
- palette->ddraw->primary->palette = NULL;
- if (palette->ifaceToRelease)
- IUnknown_Release(palette->ifaceToRelease);
- wined3d_mutex_unlock();
-
- HeapFree(GetProcessHeap(), 0, palette);
- }
-
- return ref;
-}
-
-/*****************************************************************************
- * IDirectDrawPalette::Initialize
- *
- * Initializes the palette. As we start initialized, return
- * DDERR_ALREADYINITIALIZED
- *
- * Params:
- * DD: DirectDraw interface this palette is assigned to
- * Flags: Some flags, as usual
- * ColorTable: The startup color table
- *
- * Returns:
- * DDERR_ALREADYINITIALIZED
- *
- *****************************************************************************/
-static HRESULT WINAPI ddraw_palette_Initialize(IDirectDrawPalette *iface,
- IDirectDraw *ddraw, DWORD flags, PALETTEENTRY *entries)
-{
- TRACE("iface %p, ddraw %p, flags %#x, entries %p.\n",
- iface, ddraw, flags, entries);
-
- return DDERR_ALREADYINITIALIZED;
-}
-
-static HRESULT WINAPI ddraw_palette_GetCaps(IDirectDrawPalette *iface, DWORD *caps)
-{
- struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
-
- TRACE("iface %p, caps %p.\n", iface, caps);
-
- wined3d_mutex_lock();
- *caps = palette->flags;
- wined3d_mutex_unlock();
-
- return D3D_OK;
-}
-
-/*****************************************************************************
- * IDirectDrawPalette::SetEntries
- *
- * Sets the palette entries from a PALETTEENTRY structure. WineD3D takes
- * care for updating the surface.
- *
- * Params:
- * Flags: Flags, as usual
- * Start: First palette entry to set
- * Count: Number of entries to set
- * PalEnt: Source entries
- *
- * Returns:
- * D3D_OK on success
- * DDERR_INVALIDPARAMS if PalEnt is NULL
- *
- *****************************************************************************/
-static HRESULT WINAPI ddraw_palette_SetEntries(IDirectDrawPalette *iface,
- DWORD flags, DWORD start, DWORD count, PALETTEENTRY *entries)
-{
- struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
- HRESULT hr;
-
- TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
- iface, flags, start, count, entries);
-
- if (!entries)
- return DDERR_INVALIDPARAMS;
-
- wined3d_mutex_lock();
- hr = wined3d_palette_set_entries(palette->wined3d_palette, flags, start, count, entries);
-
- if (SUCCEEDED(hr) && palette->flags & DDPCAPS_PRIMARYSURFACE)
- ddraw_surface_update_frontbuffer(palette->ddraw->primary, NULL, FALSE);
-
- wined3d_mutex_unlock();
-
- return hr;
-}
-
-/*****************************************************************************
- * IDirectDrawPalette::GetEntries
- *
- * Returns the entries stored in this interface.
- *
- * Params:
- * Flags: Flags :)
- * Start: First entry to return
- * Count: The number of entries to return
- * PalEnt: PALETTEENTRY structure to write the entries to
- *
- * Returns:
- * D3D_OK on success
- * DDERR_INVALIDPARAMS if PalEnt is NULL
- *
- *****************************************************************************/
-static HRESULT WINAPI ddraw_palette_GetEntries(IDirectDrawPalette *iface,
- DWORD flags, DWORD start, DWORD count, PALETTEENTRY *entries)
-{
- struct ddraw_palette *palette = impl_from_IDirectDrawPalette(iface);
- HRESULT hr;
-
- TRACE("iface %p, flags %#x, start %u, count %u, entries %p.\n",
- iface, flags, start, count, entries);
-
- if (!entries)
- return DDERR_INVALIDPARAMS;
-
- wined3d_mutex_lock();
- hr = wined3d_palette_get_entries(palette->wined3d_palette, flags, start, count, entries);
- wined3d_mutex_unlock();
-
- return hr;
-}
-
-static const struct IDirectDrawPaletteVtbl ddraw_palette_vtbl =
-{
- /*** IUnknown ***/
- ddraw_palette_QueryInterface,
- ddraw_palette_AddRef,
- ddraw_palette_Release,
- /*** IDirectDrawPalette ***/
- ddraw_palette_GetCaps,
- ddraw_palette_GetEntries,
- ddraw_palette_Initialize,
- ddraw_palette_SetEntries
-};
-
-struct ddraw_palette *unsafe_impl_from_IDirectDrawPalette(IDirectDrawPalette *iface)
-{
- if (!iface) return NULL;
- assert(iface->lpVtbl == &ddraw_palette_vtbl);
- return CONTAINING_RECORD(iface, struct ddraw_palette, IDirectDrawPalette_iface);
-}
-
-static unsigned int palette_size(DWORD flags)
-{
- switch (flags & (DDPCAPS_1BIT | DDPCAPS_2BIT | DDPCAPS_4BIT | DDPCAPS_8BIT))
- {
- case DDPCAPS_1BIT:
- return 2;
- case DDPCAPS_2BIT:
- return 4;
- case DDPCAPS_4BIT:
- return 16;
- case DDPCAPS_8BIT:
- return 256;
- default:
- return ~0u;
- }
-}
-
-HRESULT ddraw_palette_init(struct ddraw_palette *palette,
- struct ddraw *ddraw, DWORD flags, PALETTEENTRY *entries)
-{
- unsigned int entry_count;
- DWORD wined3d_flags = 0;
- HRESULT hr;
-
- if ((entry_count = palette_size(flags)) == ~0u)
- {
- WARN("Invalid flags %#x.\n", flags);
- return DDERR_INVALIDPARAMS;
- }
-
- if (flags & DDPCAPS_8BITENTRIES)
- wined3d_flags |= WINED3D_PALETTE_8BIT_ENTRIES;
- if (flags & DDPCAPS_ALLOW256)
- wined3d_flags |= WINED3D_PALETTE_ALLOW_256;
- if (flags & DDPCAPS_ALPHA)
- wined3d_flags |= WINED3D_PALETTE_ALPHA;
-
- palette->IDirectDrawPalette_iface.lpVtbl = &ddraw_palette_vtbl;
- palette->ref = 1;
- palette->flags = flags;
-
- if (FAILED(hr = wined3d_palette_create(ddraw->wined3d_device,
- wined3d_flags, entry_count, entries, &palette->wined3d_palette)))
- {
- WARN("Failed to create wined3d palette, hr %#x.\n", hr);
- return hr;
- }
-
- palette->ddraw = ddraw;
- palette->ifaceToRelease = (IUnknown *)&ddraw->IDirectDraw7_iface;
- IUnknown_AddRef(palette->ifaceToRelease);
-
- return DD_OK;
-}