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// This has to be its own file because d3d8.h and d3d.h conflict
#undef DIRECT3D_VERSION
#include <windows.h>

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
// This stuff is copied from d3d8.h because you can't include both d3d.h and d3d8.h in a project

#define D3D_SDK_VERSION 220
DEFINE_GUID(IID_IDirect3D8, 0x1dd9e8da, 0x1c77, 0x4d40, 0xb0, 0xcf, 0x98, 0xfe, 0xfd, 0xff, 0x95, 0x12);

#include "D3D8Helper.h"


interface IDirect3D8;
interface IDirect3DDevice8;
typedef struct IDirect3D8 *LPDIRECT3D8, *PDIRECT3D8;

#undef INTERFACE
#define INTERFACE IDirect3D8

typedef enum _D3DFORMAT
{
    D3DFMT_UNKNOWN              =  0,

    D3DFMT_R8G8B8               = 20,
    D3DFMT_A8R8G8B8             = 21,
    D3DFMT_X8R8G8B8             = 22,
    D3DFMT_R5G6B5               = 23,
    D3DFMT_X1R5G5B5             = 24,
    D3DFMT_A1R5G5B5             = 25,
    D3DFMT_A4R4G4B4             = 26,
    D3DFMT_R3G3B2               = 27,
    D3DFMT_A8                   = 28,
    D3DFMT_A8R3G3B2             = 29,
    D3DFMT_X4R4G4B4             = 30,
    D3DFMT_A2B10G10R10          = 31,
    D3DFMT_G16R16               = 34,

    D3DFMT_A8P8                 = 40,
    D3DFMT_P8                   = 41,

    D3DFMT_L8                   = 50,
    D3DFMT_A8L8                 = 51,
    D3DFMT_A4L4                 = 52,

    D3DFMT_V8U8                 = 60,
    D3DFMT_L6V5U5               = 61,
    D3DFMT_X8L8V8U8             = 62,
    D3DFMT_Q8W8V8U8             = 63,
    D3DFMT_V16U16               = 64,
    D3DFMT_W11V11U10            = 65,
    D3DFMT_A2W10V10U10          = 67,

    D3DFMT_UYVY                 = MAKEFOURCC('U', 'Y', 'V', 'Y'),
    D3DFMT_YUY2                 = MAKEFOURCC('Y', 'U', 'Y', '2'),
    D3DFMT_DXT1                 = MAKEFOURCC('D', 'X', 'T', '1'),
    D3DFMT_DXT2                 = MAKEFOURCC('D', 'X', 'T', '2'),
    D3DFMT_DXT3                 = MAKEFOURCC('D', 'X', 'T', '3'),
    D3DFMT_DXT4                 = MAKEFOURCC('D', 'X', 'T', '4'),
    D3DFMT_DXT5                 = MAKEFOURCC('D', 'X', 'T', '5'),

    D3DFMT_D16_LOCKABLE         = 70,
    D3DFMT_D32                  = 71,
    D3DFMT_D15S1                = 73,
    D3DFMT_D24S8                = 75,
    D3DFMT_D16                  = 80,
    D3DFMT_D24X8                = 77,
    D3DFMT_D24X4S4              = 79,


    D3DFMT_VERTEXDATA           =100,
    D3DFMT_INDEX16              =101,
    D3DFMT_INDEX32              =102,

    D3DFMT_FORCE_DWORD          =0x7fffffff
} D3DFORMAT;

/* Direct3D8 Device types */
typedef enum _D3DDEVTYPE
{
    D3DDEVTYPE_HAL         = 1,
    D3DDEVTYPE_REF         = 2,
    D3DDEVTYPE_SW          = 3,

    D3DDEVTYPE_FORCE_DWORD  = 0x7fffffff
} D3DDEVTYPE;

typedef enum _D3DRESOURCETYPE {
    D3DRTYPE_SURFACE                =  1,
    D3DRTYPE_VOLUME                 =  2,
    D3DRTYPE_TEXTURE                =  3,
    D3DRTYPE_VOLUMETEXTURE          =  4,
    D3DRTYPE_CUBETEXTURE            =  5,
    D3DRTYPE_VERTEXBUFFER           =  6,
    D3DRTYPE_INDEXBUFFER            =  7,


    D3DRTYPE_FORCE_DWORD            = 0x7fffffff
} D3DRESOURCETYPE;



#define MAX_DEVICE_IDENTIFIER_STRING        512
typedef struct _D3DADAPTER_IDENTIFIER8
{
    char            Driver[MAX_DEVICE_IDENTIFIER_STRING];
    char            Description[MAX_DEVICE_IDENTIFIER_STRING];

#ifdef _WIN32
    LARGE_INTEGER   DriverVersion;            /* Defined for 32 bit components */
#else
    DWORD           DriverVersionLowPart;     /* Defined for 16 bit driver components */
    DWORD           DriverVersionHighPart;
#endif

    DWORD           VendorId;
    DWORD           DeviceId;
    DWORD           SubSysId;
    DWORD           Revision;

    GUID            DeviceIdentifier;

    DWORD           WHQLLevel;

} D3DADAPTER_IDENTIFIER8;

/* Display Modes */
typedef struct _D3DDISPLAYMODE
{
    UINT            Width;
    UINT            Height;
    UINT            RefreshRate;
    D3DFORMAT       Format;
} D3DDISPLAYMODE;

/* Multi-Sample buffer types */
typedef enum _D3DMULTISAMPLE_TYPE
{
    D3DMULTISAMPLE_NONE            =  0,
    D3DMULTISAMPLE_2_SAMPLES       =  2,
    D3DMULTISAMPLE_3_SAMPLES       =  3,
    D3DMULTISAMPLE_4_SAMPLES       =  4,
    D3DMULTISAMPLE_5_SAMPLES       =  5,
    D3DMULTISAMPLE_6_SAMPLES       =  6,
    D3DMULTISAMPLE_7_SAMPLES       =  7,
    D3DMULTISAMPLE_8_SAMPLES       =  8,
    D3DMULTISAMPLE_9_SAMPLES       =  9,
    D3DMULTISAMPLE_10_SAMPLES      = 10,
    D3DMULTISAMPLE_11_SAMPLES      = 11,
    D3DMULTISAMPLE_12_SAMPLES      = 12,
    D3DMULTISAMPLE_13_SAMPLES      = 13,
    D3DMULTISAMPLE_14_SAMPLES      = 14,
    D3DMULTISAMPLE_15_SAMPLES      = 15,
    D3DMULTISAMPLE_16_SAMPLES      = 16,

    D3DMULTISAMPLE_FORCE_DWORD     = 0x7fffffff
} D3DMULTISAMPLE_TYPE;

/* SwapEffects */
typedef enum _D3DSWAPEFFECT
{
    D3DSWAPEFFECT_DISCARD           = 1,
    D3DSWAPEFFECT_FLIP              = 2,
    D3DSWAPEFFECT_COPY              = 3,
    D3DSWAPEFFECT_COPY_VSYNC        = 4,

    D3DSWAPEFFECT_FORCE_DWORD       = 0x7fffffff
} D3DSWAPEFFECT;

/* Resize Optional Parameters */
typedef struct _D3DPRESENT_PARAMETERS_
{
    UINT                BackBufferWidth;
    UINT                BackBufferHeight;
    D3DFORMAT           BackBufferFormat;
    UINT                BackBufferCount;

    D3DMULTISAMPLE_TYPE MultiSampleType;

    D3DSWAPEFFECT       SwapEffect;
    HWND                hDeviceWindow;
    BOOL                Windowed;
    BOOL                EnableAutoDepthStencil;
    D3DFORMAT           AutoDepthStencilFormat;
    DWORD               Flags;

    /* Following elements must be zero for Windowed mode */
    UINT                FullScreen_RefreshRateInHz;
    UINT                FullScreen_PresentationInterval;

} D3DPRESENT_PARAMETERS;
#define D3DADAPTER_DEFAULT                     0
#define D3DENUM_NO_WHQL_LEVEL                   0x00000002L

#include "d3d8caps.h"

DECLARE_INTERFACE_(IDirect3D8, IUnknown)
{
    /*** IUnknown methods ***/
    STDMETHOD(QueryInterface)(THIS_ REFIID riid, void** ppvObj) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;

    /*** IDirect3D8 methods ***/
    STDMETHOD(RegisterSoftwareDevice)(THIS_ void* pInitializeFunction) PURE;
    STDMETHOD_(UINT, GetAdapterCount)(THIS) PURE;
    STDMETHOD(GetAdapterIdentifier)(THIS_ UINT Adapter,DWORD Flags,D3DADAPTER_IDENTIFIER8* pIdentifier) PURE;
    STDMETHOD_(UINT, GetAdapterModeCount)(THIS_ UINT Adapter) PURE;
    STDMETHOD(EnumAdapterModes)(THIS_ UINT Adapter,UINT Mode,D3DDISPLAYMODE* pMode) PURE;
    STDMETHOD(GetAdapterDisplayMode)(THIS_ UINT Adapter,D3DDISPLAYMODE* pMode) PURE;
    STDMETHOD(CheckDeviceType)(THIS_ UINT Adapter,D3DDEVTYPE CheckType,D3DFORMAT DisplayFormat,D3DFORMAT BackBufferFormat,BOOL Windowed) PURE;
    STDMETHOD(CheckDeviceFormat)(THIS_ UINT Adapter,D3DDEVTYPE DeviceType,D3DFORMAT AdapterFormat,DWORD Usage,D3DRESOURCETYPE RType,D3DFORMAT CheckFormat) PURE;
    STDMETHOD(CheckDeviceMultiSampleType)(THIS_ UINT Adapter,D3DDEVTYPE DeviceType,D3DFORMAT SurfaceFormat,BOOL Windowed,D3DMULTISAMPLE_TYPE MultiSampleType) PURE;
    STDMETHOD(CheckDepthStencilMatch)(THIS_ UINT Adapter,D3DDEVTYPE DeviceType,D3DFORMAT AdapterFormat,D3DFORMAT RenderTargetFormat,D3DFORMAT DepthStencilFormat) PURE;
    STDMETHOD(GetDeviceCaps)(THIS_ UINT Adapter,D3DDEVTYPE DeviceType,D3DCAPS8* pCaps) PURE;
    STDMETHOD_(HMONITOR, GetAdapterMonitor)(THIS_ UINT Adapter) PURE;
    STDMETHOD(CreateDevice)(THIS_ UINT Adapter,D3DDEVTYPE DeviceType,HWND hFocusWindow,DWORD BehaviorFlags,D3DPRESENT_PARAMETERS* pPresentationParameters,IDirect3DDevice8** ppReturnedDeviceInterface) PURE;
};


HMODULE gD3D8Lib = NULL;
LPDIRECT3D8 gD3D8 = NULL;

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
static bool GetD3D8AdapterInfo2(GUID &theGUID, std::string &theDriver, std::string &theDescription)
{
        gD3D8Lib = LoadLibraryA("d3d8.dll");
        if (gD3D8Lib==NULL)
                return false;

        typedef IDirect3D8*(WINAPI *Direct3DCreate8Func)(UINT SDKVersion);
        Direct3DCreate8Func aDirect3DCreate8Func = (Direct3DCreate8Func)GetProcAddress(gD3D8Lib,"Direct3DCreate8");
        if (aDirect3DCreate8Func==NULL)
                return false;

        gD3D8 = aDirect3DCreate8Func(D3D_SDK_VERSION);
        if (gD3D8==NULL)
                return false;

        D3DADAPTER_IDENTIFIER8 anId;
        ZeroMemory(&anId,sizeof(anId));
        HRESULT aResult = gD3D8->GetAdapterIdentifier(D3DADAPTER_DEFAULT,D3DENUM_NO_WHQL_LEVEL,&anId);
        if (!SUCCEEDED(aResult))
                return false;

        theGUID = anId.DeviceIdentifier;
        theDriver = anId.Driver;
        theDescription= anId.Description;
        return true;
}

///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
bool Sexy::GetD3D8AdapterInfo(GUID &theGUID, std::string &theDriver, std::string &theDescription)
{
        gD3D8 = NULL;
        gD3D8Lib = NULL;

        bool aResult = GetD3D8AdapterInfo2(theGUID,theDriver,theDescription);

        if (gD3D8)
        {
                gD3D8->Release();
                gD3D8 = NULL;
        }

        if (gD3D8Lib)
        {
                FreeLibrary(gD3D8Lib);
                gD3D8Lib = NULL;
        }

        return aResult;
}