181 lines
6.5 KiB
C
181 lines
6.5 KiB
C
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//-----------------------------------------------------------------------------
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// File: D3DEnum.h
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//
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// Desc: Functions which enumerate through the DirectDraw drivers, Direct3D
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// devices, and the display modes available to each device.
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//
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//
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// Copyright (C) 1997 Microsoft Corporation. All rights reserved
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//-----------------------------------------------------------------------------
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#ifndef D3DENUM_H
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#define D3DENUM_H
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#include <ddraw.h>
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#include <d3d.h>
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_ModeInfo
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// Desc: Linked-list structure to hold information about a display mode. This
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// info is stored as a width, height, bpp, and pixelformat within a
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// DDSURFACEDESC2.
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//-----------------------------------------------------------------------------
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struct D3DEnum_ModeInfo
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{
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DDSURFACEDESC2 ddsd;
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CHAR strDesc[40];
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D3DEnum_ModeInfo* pNext;
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};
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_DeviceInfo
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// Desc: Linked-list structure to hold information about a Direct3D device. The
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// primary information recorded here is the D3DDEVICEDESC and a ptr to a
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// linked-list of valid display modes.
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//-----------------------------------------------------------------------------
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struct D3DEnum_DeviceInfo
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{
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GUID guid;
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GUID* pGUID;
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CHAR strName[40];
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D3DDEVICEDESC ddDesc;
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BOOL bIsHardware;
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BOOL bCompatbileWithDesktop;
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BOOL bWindowed;
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D3DEnum_ModeInfo* pCurrentMode;
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D3DEnum_ModeInfo* pFirstMode;
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D3DEnum_DeviceInfo* pNext;
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};
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_DriverInfo
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// Desc: Linked-list structure to hold information about a DirectX driver. The
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// info stored is the capability bits for the driver plus a linked-list
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// of valid Direct3D devices for the driver. Note: most systems will only
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// have one driver. The exception are multi-monitor systems, and systems
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// with non-GDI 3D video cards.
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//-----------------------------------------------------------------------------
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struct D3DEnum_DriverInfo
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{
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GUID guid;
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GUID* pGUID;
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CHAR strDesc[40];
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CHAR strName[40];
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DDCAPS ddDriverCaps;
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DDCAPS ddHELCaps;
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HANDLE hMonitor;
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D3DEnum_DeviceInfo* pCurrentDevice;
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D3DEnum_DeviceInfo* pFirstDevice;
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D3DEnum_DriverInfo* pNext;
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};
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_EnumerateDevices()
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// Desc: Enumerates all drivers, devices, and modes. The optional app-supplied
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// callback is called for each enumerated device, to confirm that the
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// device supports the feature set required by the app.
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//-----------------------------------------------------------------------------
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HRESULT D3DEnum_EnumerateDevices(
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HRESULT (*AppConfirmFn)(DDCAPS*, D3DDEVICEDESC*) );
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_FreeResources()
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// Desc: Frees all resources used for driver enumeration
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//-----------------------------------------------------------------------------
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VOID D3DEnum_FreeResources();
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_SelectDefaultDriver()
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// Desc: Picks a driver based on a set of passed in criteria.
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//-----------------------------------------------------------------------------
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HRESULT D3DEnum_SelectDefaultDriver( DWORD dwFlags );
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#define D3DENUM_SOFTWAREONLY 0x00000001
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#define D3DENUM_FULLSCREENONLY 0x00000002
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#define D3DENUM_RGBEMULATION 0x00000004
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#define D3DENUM_REFERENCERAST 0x00000008
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#define D3DENUM_PRIMARYHAL 0x00000010
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#define D3DENUM_SECONDARYHAL 0x00000020
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_UserDlgSelectDriver()
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// Desc: Prompts the user with a dialog box, from which to choose a DD driver,
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// D3D device, and compatible display mode. The function will return
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// IDOK if a new driver/device/mode was selected, or IDCANCEL if not.
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// Any error will result in a -1 for a return code.
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//-----------------------------------------------------------------------------
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INT D3DEnum_UserDlgSelectDriver( HWND hwndParent, BOOL bCurrentlyWindowed );
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_GetSelectedDriver()
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// Desc: Returns the currently selected driver, device, and display mode.
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//-----------------------------------------------------------------------------
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HRESULT D3DEnum_GetSelectedDriver( LPGUID* ppDriverGUID, LPGUID* ppDeviceGuid,
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LPDDSURFACEDESC2* pddsdDisplayMode = NULL,
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BOOL* pbWindowed = NULL,
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BOOL* pbIsHardware = NULL );
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_GetSelectedDriver()
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// Desc: Returns the currently selected driver, device, and display mode.
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//-----------------------------------------------------------------------------
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HRESULT D3DEnum_GetSelectedDriver( D3DEnum_DriverInfo** ppDriverInfo,
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D3DEnum_DeviceInfo** ppDeviceInfo );
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//-----------------------------------------------------------------------------
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// Name: D3DEnum_GetFirstDriver()
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// Desc: Returns a ptr to the first DriverInfo structure in the tree holding
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// the device/driver/mode enumeration information.
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//-----------------------------------------------------------------------------
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D3DEnum_DriverInfo* D3DEnum_GetFirstDriver();
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//-----------------------------------------------------------------------------
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// Error codes
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//-----------------------------------------------------------------------------
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#define D3DENUMERR_ENUMERATIONFAILED 0x81000001 // Enumeration failed
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#define D3DENUMERR_SUGGESTREFRAST 0x81000002 // Suggest using the RefRast
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#define D3DENUMERR_NOCOMPATIBLEDEVICES 0x81000003 // No devices were found that
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// meet the app's desired
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// capabilities
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#define D3DENUMERR_NODIRECTDRAW 0x81000004 // DDraw couldn't initialize
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#define D3DENUMERR_NOTFOUND 0x81000005 // Requested device not found
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#endif // D3DENUM_H
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