/*
 * IDirect3DVolume8 implementation
 *
 * Copyright 2002 Jason Edmeades
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wingdi.h"
#include "wine/debug.h"

#include "d3d8_private.h"

WINE_DEFAULT_DEBUG_CHANNEL(d3d);

/* IDirect3DVolume IUnknown parts follow: */
HRESULT WINAPI IDirect3DVolume8Impl_QueryInterface(LPDIRECT3DVOLUME8 iface,REFIID riid,LPVOID *ppobj)
{
    ICOM_THIS(IDirect3DVolume8Impl,iface);

    if (IsEqualGUID(riid, &IID_IUnknown)
        || IsEqualGUID(riid, &IID_IClassFactory)) {
        IDirect3DVolume8Impl_AddRef(iface);
        *ppobj = This;
        return D3D_OK;
    }

    WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
    return E_NOINTERFACE;
}

ULONG WINAPI IDirect3DVolume8Impl_AddRef(LPDIRECT3DVOLUME8 iface) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    TRACE("(%p) : AddRef from %ld\n", This, This->ref);
    return ++(This->ref);
}

ULONG WINAPI IDirect3DVolume8Impl_Release(LPDIRECT3DVOLUME8 iface) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    ULONG ref = --This->ref;
    TRACE("(%p) : ReleaseRef to %ld\n", This, This->ref);
    if (ref == 0) {
        HeapFree(GetProcessHeap(), 0, This->allocatedMemory);
        HeapFree(GetProcessHeap(), 0, This);
    }
    return ref;
}

/* IDirect3DVolume8: */
HRESULT WINAPI IDirect3DVolume8Impl_GetDevice(LPDIRECT3DVOLUME8 iface, IDirect3DDevice8** ppDevice) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    TRACE("(%p) : returning %p\n", This, This->Device);
    *ppDevice = (LPDIRECT3DDEVICE8) This->Device;

    /* Note  Calling this method will increase the internal reference count 
       on the IDirect3DDevice8 interface. */
    IDirect3DDevice8Impl_AddRef(*ppDevice);

    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_SetPrivateData(LPDIRECT3DVOLUME8 iface, REFGUID refguid, CONST void* pData, DWORD SizeOfData, DWORD Flags) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    FIXME("(%p) : stub\n", This);    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_GetPrivateData(LPDIRECT3DVOLUME8 iface, REFGUID  refguid, void* pData, DWORD* pSizeOfData) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    FIXME("(%p) : stub\n", This);    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_FreePrivateData(LPDIRECT3DVOLUME8 iface, REFGUID refguid) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    FIXME("(%p) : stub\n", This);    return D3D_OK;
}

HRESULT WINAPI IDirect3DVolume8Impl_GetContainer(LPDIRECT3DVOLUME8 iface, REFIID riid, void** ppContainer) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    TRACE("(%p) : returning %p\n", This, This->Container);
    *ppContainer = This->Container;
    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_GetDesc(LPDIRECT3DVOLUME8 iface, D3DVOLUME_DESC* pDesc) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    TRACE("(%p) : copying into %p\n", This, pDesc);
    memcpy(pDesc, &This->myDesc, sizeof(D3DVOLUME_DESC));
    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_LockBox(LPDIRECT3DVOLUME8 iface, D3DLOCKED_BOX* pLockedVolume,CONST D3DBOX* pBox, DWORD Flags) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    FIXME("(%p) : pBox=%p stub\n", This, pBox);    

    /* fixme: should we really lock as such? */
    TRACE("(%p) : box=%p, output pbox=%p, allMem=%p\n", This, pBox, pLockedVolume, This->allocatedMemory);

    pLockedVolume->RowPitch   = This->bytesPerPixel * This->myDesc.Width;                        /* Bytes / row   */
    pLockedVolume->SlicePitch = This->bytesPerPixel * This->myDesc.Width * This->myDesc.Height;  /* Bytes / slice */
    if (!pBox) {
        TRACE("No box supplied - all is ok\n");
        pLockedVolume->pBits = This->allocatedMemory;
    } else {
        TRACE("Lock Box (%p) = l %d, t %d, r %d, b %d, fr %d, ba %d\n", pBox, pBox->Left, pBox->Top, 
                  pBox->Right, pBox->Bottom, pBox->Front, pBox->Back);
        pLockedVolume->pBits = This->allocatedMemory + 
            (pLockedVolume->SlicePitch * pBox->Front) + /* FIXME: is front < back or vica versa? */
            (pLockedVolume->RowPitch * pBox->Top) + 
            (pBox->Left * This->bytesPerPixel);
    }
    TRACE("returning pBits=%p, rpitch=%d, spitch=%d\n", pLockedVolume->pBits, pLockedVolume->RowPitch, pLockedVolume->SlicePitch);
    return D3D_OK;


    return D3D_OK;
}
HRESULT WINAPI IDirect3DVolume8Impl_UnlockBox(LPDIRECT3DVOLUME8 iface) {
    ICOM_THIS(IDirect3DVolume8Impl,iface);
    TRACE("(%p) : stub\n", This);
    if (This->Container) {
        IDirect3DVolumeTexture8 *cont = This->Container;

        int containerType = IDirect3DBaseTexture8Impl_GetType((LPDIRECT3DBASETEXTURE8) cont);
        if (containerType == D3DRTYPE_VOLUMETEXTURE) {
            IDirect3DTexture8Impl *pTexture = (IDirect3DTexture8Impl *)cont;
            pTexture->Dirty = TRUE;
        } else {
            FIXME("Set dirty on container type %d\n", containerType);
        }
    }
    return D3D_OK;
}


ICOM_VTABLE(IDirect3DVolume8) Direct3DVolume8_Vtbl =
{
    ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
    IDirect3DVolume8Impl_QueryInterface,
    IDirect3DVolume8Impl_AddRef,
    IDirect3DVolume8Impl_Release,
    IDirect3DVolume8Impl_GetDevice,
    IDirect3DVolume8Impl_SetPrivateData,
    IDirect3DVolume8Impl_GetPrivateData,
    IDirect3DVolume8Impl_FreePrivateData,
    IDirect3DVolume8Impl_GetContainer,
    IDirect3DVolume8Impl_GetDesc,
    IDirect3DVolume8Impl_LockBox,
    IDirect3DVolume8Impl_UnlockBox
};