/*
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS ReactX
 * FILE:            dll/directx/d3d9/d3d9_impl.c
 * PURPOSE:         IDirect3D9 implementation
 * PROGRAMERS:      Gregor Brunmar <gregor (dot) brunmar (at) home (dot) se>
 */

#include "d3d9_common.h"
#include <d3d9.h>
#include <debug.h>
#include "d3d9_helpers.h"
#include "adapter.h"
#include "device.h"
#include "format.h"

#define LOCK_D3D9()     EnterCriticalSection(&This->d3d9_cs);
#define UNLOCK_D3D9()   LeaveCriticalSection(&This->d3d9_cs);

/* Convert a IDirect3D9 pointer safely to the internal implementation struct */
static LPDIRECT3D9_INT IDirect3D9ToImpl(LPDIRECT3D9 iface)
{
    if (NULL == iface)
        return NULL;

    return (LPDIRECT3D9_INT)((ULONG_PTR)iface - FIELD_OFFSET(DIRECT3D9_INT, lpVtbl));
}

/* IDirect3D9: IUnknown implementation */
static HRESULT WINAPI IDirect3D9Impl_QueryInterface(LPDIRECT3D9 iface, REFIID riid, LPVOID* ppvObject)
{
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);

    if (IsEqualGUID(riid, &IID_IUnknown) || IsEqualGUID(riid, &IID_IDirect3D9))
    {
        IUnknown_AddRef(iface);
        *ppvObject = &This->lpVtbl;
        return S_OK;
    }

    *ppvObject = NULL;
    return E_NOINTERFACE;
}

static ULONG WINAPI IDirect3D9Impl_AddRef(LPDIRECT3D9 iface)
{
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    ULONG ref = InterlockedIncrement(&This->lRefCnt);

    return ref;
}

static ULONG WINAPI IDirect3D9Impl_Release(LPDIRECT3D9 iface)
{
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    ULONG ref = InterlockedDecrement(&This->lRefCnt);

    if (ref == 0)
    {
        EnterCriticalSection(&This->d3d9_cs);
        /* TODO: Free resources here */
        LeaveCriticalSection(&This->d3d9_cs);
        AlignedFree(This);
    }

    return ref;
}

/* IDirect3D9 interface */
static HRESULT WINAPI IDirect3D9Impl_RegisterSoftwareDevice(LPDIRECT3D9 iface, void* pInitializeFunction)
{
    UNIMPLEMENTED

    return D3D_OK;
}

/*++
* @name IDirect3D9::GetAdapterCount
* @implemented
*
* The function IDirect3D9Impl_GetAdapterCount returns the number of adapters
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @return UINT
* The number of display adapters on the system when Direct3DCreate9() was called.
*
*/
static UINT WINAPI IDirect3D9Impl_GetAdapterCount(LPDIRECT3D9 iface)
{
    UINT NumDisplayAdapters;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    NumDisplayAdapters = This->NumDisplayAdapters;

    UNLOCK_D3D9();
    return NumDisplayAdapters;
}

/*++
* @name IDirect3D9::GetAdapterIdentifier
* @implemented
*
* The function IDirect3D9Impl_GetAdapterIdentifier gathers information about
* a specified display adapter and fills the pIdentifier argument with the available information.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D::GetAdapterCount() - 1.
*
* @param DWORD Flags
* Ignored at the moment, but the only valid flag is D3DENUM_WHQL_LEVEL
*
* @param D3DADAPTER_IDENTIFIER9* pIdentifier
* Pointer to a D3DADAPTER_IDENTIFIER9 structure to be filled with the available information
* about the display adapter.
*
* @return HRESULT
* If the method successfully fills the pIdentified structure, the return value is D3D_OK.
* If Adapter is out of range, Flags is invalid or pIdentifier is a bad pointer, the return value
* will be D3DERR_INVALIDCALL.
*
*/
HRESULT WINAPI IDirect3D9Impl_GetAdapterIdentifier(LPDIRECT3D9 iface, UINT Adapter, DWORD Flags,
                                                          D3DADAPTER_IDENTIFIER9* pIdentifier)
{
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (Flags & ~D3DENUM_WHQL_LEVEL)
    {
        DPRINT1("Invalid Flags specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == pIdentifier)
    {
        DPRINT1("Invalid pIdentifier parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    memset(pIdentifier, 0, sizeof(D3DADAPTER_IDENTIFIER9));

    if (FALSE == GetAdapterInfo(This->DisplayAdapters[Adapter].szDeviceName, pIdentifier))
    {
        DPRINT1("Internal error: Couldn't get the adapter info for device (%d): %s", Adapter, This->DisplayAdapters[Adapter].szDeviceName);
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    UNLOCK_D3D9();
    return D3D_OK;
}

/*++
* @name IDirect3D9::GetAdapterModeCount
* @implemented
*
* The function IDirect3D9Impl_GetAdapterModeCount looks if the specified display adapter supports
* a specific pixel format and counts the available display modes for that format.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DFORMAT Format
* The pixel format to search for
*
* @return HRESULT
* If the method is successful it returns the number of display modes with the specified Format.
* If Adapter is out of range, the return value will be 0.
*
*/
static UINT WINAPI IDirect3D9Impl_GetAdapterModeCount(LPDIRECT3D9 iface, UINT Adapter, D3DFORMAT Format)
{
    UINT AdapterModeCount;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (Format != D3DFMT_A2R10G10B10)
    {
        AdapterModeCount = GetDisplayFormatCount(
            Format,
            This->DisplayAdapters[Adapter].pSupportedD3DFormats,
            This->DisplayAdapters[Adapter].NumSupportedD3DFormats);
    }
    else
    {
        AdapterModeCount = GetDisplayFormatCount(
            Format,
            This->DisplayAdapters[Adapter].pSupportedD3DExtendedFormats,
            This->DisplayAdapters[Adapter].NumSupportedD3DExtendedFormats);
    }

    UNLOCK_D3D9();
    return AdapterModeCount;
}

/*++
* @name IDirect3D9::EnumAdapterModes
* @implemented
*
* The function IDirect3D9Impl_EnumAdapterModes looks if the specified display adapter supports
* a specific pixel format and fills the pMode argument with the available display modes for that format.
* This function is often used in a loop to enumerate all the display modes the adapter supports.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DFORMAT Format
* The pixel format to search for
*
* @param UINT Mode
* Index within the pixel format to be returned.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterModeCount() - 1.
*
* @param D3DDISPLAYMODE* pMode
* Pointer to a D3DDISPLAYMODE structure to be filled with the display mode information
* for the specified format.
*
* @return HRESULT
* If the method successfully fills the pMode structure, the return value is D3D_OK.
* If Adapter is out of range, pMode is a bad pointer or, no modes for the specified
* format was found or the mode parameter was invalid - the return value will be D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_EnumAdapterModes(LPDIRECT3D9 iface, UINT Adapter, D3DFORMAT Format,
                                                      UINT Mode, D3DDISPLAYMODE* pMode)
{
    const D3DDISPLAYMODE* pMatchingDisplayFormat;
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == pMode)
    {
        DPRINT1("Invalid pMode parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (Format != D3DFMT_A2R10G10B10)
    {
        pMatchingDisplayFormat = FindDisplayFormat(
            Format,
            Mode,
            This->DisplayAdapters[Adapter].pSupportedD3DFormats,
            This->DisplayAdapters[Adapter].NumSupportedD3DFormats);
    }
    else
    {
        pMatchingDisplayFormat = FindDisplayFormat(
            Format,
            Mode,
            This->DisplayAdapters[Adapter].pSupportedD3DExtendedFormats,
            This->DisplayAdapters[Adapter].NumSupportedD3DExtendedFormats);
    }

    if (pMatchingDisplayFormat != NULL)
    {
        *pMode = *pMatchingDisplayFormat;
    }
    UNLOCK_D3D9();


    if (pMatchingDisplayFormat == NULL)
        return D3DERR_INVALIDCALL;

    return D3D_OK;
}

/*++
* @name IDirect3D9::GetAdapterDisplayMode
* @implemented
*
* The function IDirect3D9Impl_GetAdapterDisplayMode fills the pMode argument with the
* currently set display mode.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDISPLAYMODE* pMode
* Pointer to a D3DDISPLAYMODE structure to be filled with the current display mode information.
*
* @return HRESULT
* If the method successfully fills the pMode structure, the return value is D3D_OK.
* If Adapter is out of range or pMode is a bad pointer, the return value will be D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_GetAdapterDisplayMode(LPDIRECT3D9 iface, UINT Adapter, D3DDISPLAYMODE* pMode)
{
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == pMode)
    {
        DPRINT1("Invalid pMode parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    /* TODO: Handle (This->DisplayAdapters[Adapter].bInUseFlag == FALSE) */
    if (FALSE == GetAdapterMode(This->DisplayAdapters[Adapter].szDeviceName, pMode))
        DPRINT1("Internal error, GetAdapterMode() failed.");

    UNLOCK_D3D9();
    return D3D_OK;
}


/*++
* @name IDirect3D9::CheckDeviceType
* @implemented
*
* The function IDirect3D9Impl_CheckDeviceType checks if a specific D3DFORMAT is hardware accelerated
* on the specified display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members.
*
* @param D3DFORMAT DisplayFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode to be checked.
*
* @param D3DFORMAT BackBufferFormat
* One of the D3DFORMAT enum members for the render target mode to be checked. D3DFMT_UNKNOWN is only allowed in windowed mode.
*
* @param BOOL Windowed
* If this value is TRUE, the D3DFORMAT check will be done for windowed mode and FALSE equals fullscreen mode.
*
* @return HRESULT
* If the format is hardware accelerated, the method returns D3D_OK.
* If the format isn't hardware accelerated or unsupported - the return value will be D3DERR_NOTAVAILABLE.
* If Adapter is out of range, DeviceType is invalid,
* DisplayFormat or BackBufferFormat is invalid - the return value will be D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_CheckDeviceType(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                     D3DFORMAT DisplayFormat, D3DFORMAT BackBufferFormat, BOOL Windowed)
{
    HRESULT hResult;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL &&
        DeviceType != D3DDEVTYPE_REF &&
        DeviceType != D3DDEVTYPE_SW)
    {
        DPRINT1("Invalid DeviceType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((BackBufferFormat == D3DFMT_UNKNOWN) &&
        (Windowed != FALSE))
    {
        BackBufferFormat = DisplayFormat;
    }

    if (DisplayFormat == D3DFMT_UNKNOWN && BackBufferFormat == D3DFMT_UNKNOWN)
    {
        DPRINT1("Invalid D3DFORMAT specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (FALSE == IsBackBufferFormat(BackBufferFormat))
    {
        DPRINT1("Invalid D3DFORMAT specified");
        UNLOCK_D3D9();
        return D3DERR_NOTAVAILABLE;
    }

    if (TRUE == Windowed && TRUE == IsExtendedFormat(DisplayFormat))
    {
        DPRINT1("Extended display modes can only be used in fullscreen mode");
        UNLOCK_D3D9();
        return D3DERR_NOTAVAILABLE;
    }

    hResult = CheckDeviceType(&This->DisplayAdapters[Adapter].DriverCaps, DisplayFormat, BackBufferFormat, Windowed);

    UNLOCK_D3D9();
    return hResult;
}


/*++
* @name IDirect3D9::CheckDeviceFormat
* @implemented
*
* The function IDirect3D9Impl_CheckDeviceFormat checks if a specific D3DFORMAT
* can be used for a specific purpose like texture, depth/stencil buffer or as a render target
* on the specified display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members.
*
* @param D3DFORMAT AdapterFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode to be checked.
*
* @param DWORD Usage
* Valid values are any of the D3DUSAGE_QUERY constants or any of these D3DUSAGE constants:
* D3DUSAGE_AUTOGENMIPMAP, D3DUSAGE_DEPTHSTENCIL, D3DUSAGE_DMAP, D3DUSAGE_DYNAMIC,
* D3DUSAGE_NONSECURE, D3DUSAGE_RENDERTARGET and D3DUSAGE_SOFTWAREPROCESSING.
*
* @param D3DRESOURCETYPE RType
* One of the D3DRESOURCETYPE enum members. Specifies what format will be used for.
*
* @param D3DFORMAT CheckFormat
* One of the D3DFORMAT enum members for the surface format to be checked.
*
* @return HRESULT
* If the format is compatible with the specified usage and resource type, the method returns D3D_OK.
* If the format isn't compatible with the specified usage and resource type - the return value will be D3DERR_NOTAVAILABLE.
* If Adapter is out of range, DeviceType is invalid, AdapterFormat or CheckFormat is invalid,
* Usage and RType isn't compatible - the return value will be D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_CheckDeviceFormat(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                       D3DFORMAT AdapterFormat, DWORD Usage, D3DRESOURCETYPE RType,
                                                       D3DFORMAT CheckFormat)
{
    LPD3D9_DRIVERCAPS pDriverCaps;
    BOOL bIsTextureRType = FALSE;
    HRESULT hResult;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL &&
        DeviceType != D3DDEVTYPE_REF &&
        DeviceType != D3DDEVTYPE_SW)
    {
        DPRINT1("Invalid DeviceType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (AdapterFormat == D3DFMT_UNKNOWN ||
        CheckFormat == D3DFMT_UNKNOWN)
    {
        DPRINT1("Invalid D3DFORMAT specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((Usage & (D3DUSAGE_DONOTCLIP | D3DUSAGE_NPATCHES | D3DUSAGE_POINTS | D3DUSAGE_RTPATCHES | D3DUSAGE_TEXTAPI | D3DUSAGE_WRITEONLY)) != 0)
    {
        DPRINT1("Invalid Usage specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (RType == D3DRTYPE_TEXTURE ||
        RType == D3DRTYPE_VOLUMETEXTURE ||
        RType == D3DRTYPE_CUBETEXTURE)
    {
        bIsTextureRType = TRUE;
    }
    else if (RType == D3DRTYPE_SURFACE &&
            (Usage & (D3DUSAGE_DEPTHSTENCIL | D3DUSAGE_RENDERTARGET)) == 0 &&
            Usage != 0)
    {
        DPRINT1("When RType is set to D3DRTYPE_SURFACE, Usage must be 0 or have set D3DUSAGE_DEPTHSTENCIL or D3DUSAGE_RENDERTARGET");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((Usage & D3DUSAGE_DEPTHSTENCIL) != 0)
    {
        if (FALSE == IsZBufferFormat(CheckFormat))
        {
            DPRINT1("Invalid CheckFormat Z-Buffer format");
            UNLOCK_D3D9();
            return D3DERR_INVALIDCALL;
        }

        if ((Usage & D3DUSAGE_AUTOGENMIPMAP) != 0)
        {
            DPRINT1("Invalid Usage specified, D3DUSAGE_DEPTHSTENCIL and D3DUSAGE_AUTOGENMIPMAP can't be combined.");
            UNLOCK_D3D9();
            return D3DERR_INVALIDCALL;
        }
    }

    if (FALSE == bIsTextureRType &&
        RType != D3DRTYPE_SURFACE &&
        RType != D3DRTYPE_VOLUME)
    {
        DPRINT1("Invalid RType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((Usage & (D3DUSAGE_AUTOGENMIPMAP | D3DUSAGE_DEPTHSTENCIL | D3DUSAGE_RENDERTARGET)) != 0)
    {
        if (RType == D3DRTYPE_VOLUME || RType == D3DRTYPE_VOLUMETEXTURE)
        {
            DPRINT1("Invalid Usage specified, D3DUSAGE_AUTOGENMIPMAP, D3DUSAGE_DEPTHSTENCIL and D3DUSAGE_RENDERTARGET can't be combined with RType D3DRTYPE_VOLUME or D3DRTYPE_VOLUMETEXTURE");
            UNLOCK_D3D9();
            return D3DERR_INVALIDCALL;
        }
    }

    if (FALSE == bIsTextureRType &&
        (Usage & D3DUSAGE_QUERY_VERTEXTEXTURE) != 0)
    {
        DPRINT1("Invalid Usage specified, D3DUSAGE_QUERY_VERTEXTEXTURE can only be used with a texture RType");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((Usage & D3DUSAGE_AUTOGENMIPMAP) != 0 &&
        TRUE == IsMultiElementFormat(CheckFormat))
    {
        DPRINT1("Invalid Usage specified, D3DUSAGE_AUTOGENMIPMAP can't be used with a multi-element format");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    pDriverCaps = &This->DisplayAdapters[Adapter].DriverCaps;
    if (((Usage & D3DUSAGE_DYNAMIC) != 0) && (bIsTextureRType != FALSE))
    {
        if ((pDriverCaps->DriverCaps9.Caps2 & D3DCAPS2_DYNAMICTEXTURES) == 0)
        {
            DPRINT1("Driver doesn't support dynamic textures");
            UNLOCK_D3D9();
            return D3DERR_NOTAVAILABLE;
        }

        if ((Usage & (D3DUSAGE_DEPTHSTENCIL | D3DUSAGE_RENDERTARGET)) != 0)
        {
            DPRINT1("Invalid Usage specified, D3DUSAGE_DEPTHSTENCIL and D3DUSAGE_RENDERTARGET can't be combined with D3DUSAGE_DYNAMIC and a texture RType");
            UNLOCK_D3D9();
            return D3DERR_INVALIDCALL;
        }
    }

    if ((Usage & D3DUSAGE_DMAP) != 0)
    {
        if ((pDriverCaps->DriverCaps9.DevCaps2 & (D3DDEVCAPS2_PRESAMPLEDDMAPNPATCH | D3DDEVCAPS2_DMAPNPATCH)) == 0)
        {
            DPRINT1("Driver doesn't support displacement mapping");
            UNLOCK_D3D9();
            return D3DERR_NOTAVAILABLE;
        }

        if (RType != D3DRTYPE_TEXTURE)
        {
            DPRINT1("Invalid Usage specified, D3DUSAGE_DMAP must be combined with RType D3DRTYPE_TEXTURE");
            UNLOCK_D3D9();
            return D3DERR_INVALIDCALL;
        }
    }

    hResult = CheckDeviceFormat(pDriverCaps, AdapterFormat, Usage, RType, CheckFormat);

    UNLOCK_D3D9();
    return hResult;
}

static HRESULT WINAPI IDirect3D9Impl_CheckDeviceMultiSampleType(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                                D3DFORMAT SurfaceFormat, BOOL Windowed,
                                                                D3DMULTISAMPLE_TYPE MultiSampleType, DWORD* pQualityLevels)
{
    UNIMPLEMENTED

    return D3D_OK;
}


/*++
* @name IDirect3D9::CheckDepthStencilMatch
* @implemented
*
* The function IDirect3D9Impl_CheckDepthStencilMatch checks if a specific combination
* of a render target D3DFORMAT and a depth-stencil D3DFORMAT can be used with a specified
* D3DFORMAT on the specified display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members.
*
* @param D3DFORMAT AdapterFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN that the display adapter mode where the test should occur.
*
* @param D3DFORMAT RenderTargetFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode's render target format to be tested.
*
* @param D3DFORMAT DepthStencilFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode's depth-stencil format to be tested.
*
* @return HRESULT
* If the DepthStencilFormat can be used with the RenderTargetFormat under the specified AdapterFormat,
* the method returns D3D_OK.
* If the DepthStencilFormat can NOT used with the RenderTargetFormat under the specified AdapterFormat,
* the method returns D3DERR_NOTAVAILABLE.
* If Adapter is out of range, DeviceType is invalid,
* AdapterFormat, RenderTargetFormat or DepthStencilFormat is invalid, the method returns D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_CheckDepthStencilMatch(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                            D3DFORMAT AdapterFormat, D3DFORMAT RenderTargetFormat,
                                                            D3DFORMAT DepthStencilFormat)
{
    HRESULT hResult;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL &&
        DeviceType != D3DDEVTYPE_REF &&
        DeviceType != D3DDEVTYPE_SW)
    {
        DPRINT1("Invalid DeviceType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (AdapterFormat == D3DFMT_UNKNOWN ||
        RenderTargetFormat == D3DFMT_UNKNOWN ||
        DepthStencilFormat == D3DFMT_UNKNOWN)
    {
        DPRINT1("Invalid D3DFORMAT specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    hResult = CheckDepthStencilMatch(&This->DisplayAdapters[Adapter].DriverCaps, AdapterFormat, RenderTargetFormat, DepthStencilFormat);

    UNLOCK_D3D9();
    return hResult;
}


/*++
* @name IDirect3D9::CheckDeviceFormatConversion
* @implemented
*
* The function IDirect3D9Impl_CheckDeviceFormatConversion checks if a specific D3DFORMAT
* can be converted to another on the specified display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members. Only D3DDEVTYPE_HAL can potentially return D3D_OK.
*
* @param D3DFORMAT SourceFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode to be converted from.
*
* @param D3DFORMAT TargetFormat
* One of the D3DFORMAT enum members except D3DFMT_UNKNOWN for the display adapter mode to be converted to.
*
* @return HRESULT
* If the SourceFormat can be converted to the TargetFormat, the method returns D3D_OK.
* If the SourceFormat can NOT be converted to the TargetFormat, the method returns D3DERR_NOTAVAILABLE.
* If Adapter is out of range, DeviceType is invalid,
* SourceFormat or TargetFormat is invalid, the method returns D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_CheckDeviceFormatConversion(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                                 D3DFORMAT SourceFormat, D3DFORMAT TargetFormat)
{
    HRESULT hResult;
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL &&
        DeviceType != D3DDEVTYPE_REF &&
        DeviceType != D3DDEVTYPE_SW)
    {
        DPRINT1("Invalid DeviceType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (SourceFormat == D3DFMT_UNKNOWN ||
        TargetFormat == D3DFMT_UNKNOWN)
    {
        DPRINT1("Invalid D3DFORMAT specified");
        UNLOCK_D3D9();
        return D3DERR_NOTAVAILABLE;
    }

    if (DeviceType == D3DDEVTYPE_HAL)
    {
        hResult = CheckDeviceFormatConversion(&This->DisplayAdapters[Adapter].DriverCaps, SourceFormat, TargetFormat);
    }
    else
    {
        hResult = D3DERR_NOTAVAILABLE;
    }

    UNLOCK_D3D9();
    return hResult;
}


/*++
* @name IDirect3D9::GetDeviceCaps
* @implemented
*
* The function IDirect3D9Impl_GetDeviceCaps fills the pCaps argument with the
* capabilities of the specified adapter and device type.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members.
* NOTE: Currently only D3DDEVTYPE_HAL is implemented.
*
* @param D3DCAPS9* pCaps
* Pointer to a D3DCAPS9 structure to be filled with the adapter's device type capabilities.
*
* @return HRESULT
* If the method successfully fills the pCaps structure, the return value is D3D_OK.
* If Adapter is out of range or pCaps is a bad pointer, the return value will be D3DERR_INVALIDCALL.
* If DeviceType is invalid, the return value will be D3DERR_INVALIDDEVICE.
*
*/
static HRESULT WINAPI IDirect3D9Impl_GetDeviceCaps(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType, D3DCAPS9* pCaps)
{
    HRESULT hResult;
    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == pCaps)
    {
        DPRINT1("Invalid pCaps parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    hResult = GetAdapterCaps(&This->DisplayAdapters[Adapter], DeviceType, pCaps);

    UNLOCK_D3D9();
    return hResult;
}

/*++
* @name IDirect3D9::GetAdapterMonitor
* @implemented
*
* The function IDirect3D9Impl_GetAdapterMonitor returns the monitor associated
* with the specified display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D9::GetAdapterCount() - 1.
*
* @return HMONITOR
* If the method successfully it returns the HMONITOR belonging to the specified adapter.
* If the method fails, the return value is NULL.
*
*/
static HMONITOR WINAPI IDirect3D9Impl_GetAdapterMonitor(LPDIRECT3D9 iface, UINT Adapter)
{
    HMONITOR hAdapterMonitor = NULL;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter < This->NumDisplayAdapters)
    {
        hAdapterMonitor = GetAdapterMonitor(This->DisplayAdapters[Adapter].szDeviceName);
    }
    else
    {
        DPRINT1("Invalid Adapter number specified");
    }

    UNLOCK_D3D9();
    return hAdapterMonitor;
}

/*++
* @name IDirect3D9::CreateDevice
* @implemented
*
* The function IDirect3D9Impl_CreateDevice creates an IDirect3DDevice9 object
* that represents the display adapter.
*
* @param LPDIRECT3D iface
* Pointer to the IDirect3D9 object returned from Direct3DCreate9()
*
* @param UINT Adapter
* Adapter index to get information about. D3DADAPTER_DEFAULT is the primary display.
* The maximum value for this is the value returned by IDirect3D::GetAdapterCount() - 1.
*
* @param D3DDEVTYPE DeviceType
* One of the D3DDEVTYPE enum members.
*
* @param HWND hFocusWindow
* A window handle that is used as a reference when Direct3D should switch between
* foreground mode and background mode.
*
* @param DWORD BehaviourFlags
* Any valid combination of the D3DCREATE constants.
*
* @param D3DPRESENT_PARAMETERS* pPresentationParameters
* Pointer to a D3DPRESENT_PARAMETERS structure describing the parameters for the device
* to be created. If D3DCREATE_ADAPTERGROUP_DEVICE is specified in the BehaviourFlags parameter,
* the pPresentationParameters is treated as an array.
*
* @param IDirect3DDevice9** ppReturnedDeviceInterface
* Return object that represents the created device.
*
* @return HRESULT
* If the method successfully creates a device and returns a valid ppReturnedDeviceInterface object,
* the return value is D3D_OK.
* If Adapter is out of range, DeviceType is invalid, hFocusWindow is not a valid, BehaviourFlags is invalid
* pPresentationParameters is invalid or ppReturnedDeviceInterface is a bad pointer, the return value
* will be D3DERR_INVALIDCALL.
*
*/
static HRESULT WINAPI IDirect3D9Impl_CreateDevice(LPDIRECT3D9 iface, UINT Adapter, D3DDEVTYPE DeviceType,
                                                  HWND hFocusWindow, DWORD BehaviourFlags,
                                                  D3DPRESENT_PARAMETERS* pPresentationParameters,
                                                  struct IDirect3DDevice9** ppReturnedDeviceInterface)
{
    DWORD NumAdaptersToCreate;
    HRESULT Ret;

    LPDIRECT3D9_INT This = IDirect3D9ToImpl(iface);
    LOCK_D3D9();

    if (Adapter >= This->NumDisplayAdapters)
    {
        DPRINT1("Invalid Adapter number specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL &&
        DeviceType != D3DDEVTYPE_REF &&
        DeviceType != D3DDEVTYPE_SW)
    {
        DPRINT1("Invalid DeviceType specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (DeviceType != D3DDEVTYPE_HAL)
    {
        UNIMPLEMENTED
        DPRINT1("Sorry, only D3DDEVTYPE_HAL is implemented at this time...");
        return D3DERR_INVALIDCALL;
    }

    if (hFocusWindow != NULL && FALSE == IsWindow(hFocusWindow))
    {
        DPRINT1("Invalid hFocusWindow parameter specified, expected NULL or a valid HWND");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == pPresentationParameters)
    {
        DPRINT1("Invalid pPresentationParameters parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (pPresentationParameters->hDeviceWindow != NULL && FALSE == IsWindow(pPresentationParameters->hDeviceWindow))
    {
        DPRINT1("Invalid pPresentationParameters->hDeviceWindow parameter specified, expected NULL or a valid HWND");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (FALSE == pPresentationParameters->Windowed && hFocusWindow == NULL)
    {
        DPRINT1("When pPresentationParameters->Windowed is not set, hFocusWindow must be a valid HWND");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == hFocusWindow && NULL == pPresentationParameters->hDeviceWindow)
    {
        DPRINT1("Any of pPresentationParameters->Windowed and hFocusWindow must be set to a valid HWND");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (Adapter > 0 && NULL == pPresentationParameters->hDeviceWindow)
    {
        DPRINT1("Invalid pPresentationParameters->hDeviceWindow, must be set to a valid unique HWND when Adapter is greater than 0");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if (NULL == ppReturnedDeviceInterface)
    {
        DPRINT1("Invalid ppReturnedDeviceInterface parameter specified");
        UNLOCK_D3D9();
        return D3DERR_INVALIDCALL;
    }

    if ((BehaviourFlags & D3DCREATE_ADAPTERGROUP_DEVICE) != 0)
        NumAdaptersToCreate = This->DisplayAdapters[Adapter].NumAdaptersInGroup;
    else
        NumAdaptersToCreate = 1;

    *ppReturnedDeviceInterface = 0;

    Ret = CreateD3D9HalDevice(This, Adapter, hFocusWindow, BehaviourFlags, pPresentationParameters, NumAdaptersToCreate, ppReturnedDeviceInterface);

    UNLOCK_D3D9();
    return Ret;
}

IDirect3D9Vtbl Direct3D9_Vtbl =
{
    /* IUnknown */
    IDirect3D9Impl_QueryInterface,
    IDirect3D9Impl_AddRef,
    IDirect3D9Impl_Release,

    /* IDirect3D9 */
    IDirect3D9Impl_RegisterSoftwareDevice,
    IDirect3D9Impl_GetAdapterCount,
    IDirect3D9Impl_GetAdapterIdentifier,
    IDirect3D9Impl_GetAdapterModeCount,
    IDirect3D9Impl_EnumAdapterModes,
    IDirect3D9Impl_GetAdapterDisplayMode,
    IDirect3D9Impl_CheckDeviceType,
    IDirect3D9Impl_CheckDeviceFormat,
    IDirect3D9Impl_CheckDeviceMultiSampleType,
    IDirect3D9Impl_CheckDepthStencilMatch,
    IDirect3D9Impl_CheckDeviceFormatConversion,
    IDirect3D9Impl_GetDeviceCaps,
    IDirect3D9Impl_GetAdapterMonitor,
    IDirect3D9Impl_CreateDevice
};