| 1 | /******************************Module*Header*******************************\
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| 2 | *
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| 3 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
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| 4 | *
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| 5 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 6 | * available from http://www.virtualbox.org. This file is free software;
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| 7 | * you can redistribute it and/or modify it under the terms of the GNU
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| 8 | * General Public License (GPL) as published by the Free Software
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| 9 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 10 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 11 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 12 | *
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| 13 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
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| 14 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
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| 15 | * additional information or have any questions.
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| 16 | *
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| 17 | * Based in part on Microsoft DDK sample code
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| 18 | *
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| 19 | * *******************
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| 20 | * * GDI SAMPLE CODE *
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| 21 | * *******************
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| 22 | *
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| 23 | * Module Name: driver.h
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| 24 | *
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| 25 | * contains prototypes for the frame buffer driver.
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| 26 | *
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| 27 | * Copyright (c) 1992-1998 Microsoft Corporation
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| 28 | \**************************************************************************/
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| 29 |
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| 30 | #define DBG 1
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| 31 |
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| 32 | #include "stddef.h"
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| 33 |
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| 34 | #include <stdarg.h>
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| 35 |
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| 36 | #include "windef.h"
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| 37 | #include "wingdi.h"
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| 38 | #include "winddi.h"
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| 39 | #include "devioctl.h"
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| 40 | #include "ntddvdeo.h"
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| 41 | #include "debug.h"
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| 42 |
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| 43 | typedef struct _PDEV
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| 44 | {
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| 45 | HANDLE hDriver; // Handle to \Device\Screen
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| 46 | HDEV hdevEng; // Engine's handle to PDEV
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| 47 | HSURF hsurfEng; // Engine's handle to surface
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| 48 | //@todo Make work without palette
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| 49 | HPALETTE hpalDefault; // Handle to the default palette for device.
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| 50 | PBYTE pjScreen; // This is pointer to base screen address
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| 51 | ULONG cxScreen; // Visible screen width
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| 52 | ULONG cyScreen; // Visible screen height
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| 53 | POINTL ptlOrg; // Where this display is anchored in
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| 54 | // the virtual desktop.
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| 55 | ULONG ulMode; // Mode the mini-port driver is in.
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| 56 | LONG lDeltaScreen; // Distance from one scan to the next.
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| 57 | ULONG cScreenSize; // size of video memory, including
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| 58 | // offscreen memory.
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| 59 | PVOID pOffscreenList; // linked list of DCI offscreen surfaces.
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| 60 | FLONG flRed; // For bitfields device, Red Mask
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| 61 | FLONG flGreen; // For bitfields device, Green Mask
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| 62 | FLONG flBlue; // For bitfields device, Blue Mask
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| 63 | ULONG cPaletteShift; // number of bits the 8-8-8 palette must
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| 64 | // be shifted by to fit in the hardware
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| 65 | // palette.
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| 66 | ULONG ulBitCount; // # of bits per pel 8,16,24,32 are only supported.
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| 67 | POINTL ptlHotSpot; // adjustment for pointer hot spot
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| 68 | VIDEO_POINTER_CAPABILITIES PointerCapabilities; // HW pointer abilities
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| 69 | PVIDEO_POINTER_ATTRIBUTES pPointerAttributes; // hardware pointer attributes
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| 70 | DWORD cjPointerAttributes; // Size of buffer allocated
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| 71 | BOOL fHwCursorActive; // Are we currently using the hw cursor
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| 72 | PALETTEENTRY *pPal; // If this is pal managed, this is the pal
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| 73 | BOOL bSupportDCI; // Does the miniport support DCI?
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| 74 |
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| 75 | //@todo Make work without allocation
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| 76 | PVOID pvTmpBuffer; // ptr to MIRRSURF bits for screen surface
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| 77 | } PDEV, *PPDEV;
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| 78 |
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| 79 | typedef struct _MIRRSURF {
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| 80 | PPDEV *pdev;
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| 81 | ULONG cx;
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| 82 | ULONG cy;
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| 83 | ULONG lDelta;
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| 84 | ULONG ulBitCount;
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| 85 | BOOL bIsScreen;
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| 86 |
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| 87 | } MIRRSURF, *PMIRRSURF;
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| 88 |
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| 89 | DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
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| 90 | BOOL bInitPDEV(PPDEV, PDEVMODEW, GDIINFO *, DEVINFO *);
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| 91 | BOOL bInitSURF(PPDEV, BOOL);
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| 92 | BOOL bInitPaletteInfo(PPDEV, DEVINFO *);
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| 93 | BOOL bInitPointer(PPDEV, DEVINFO *);
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| 94 | BOOL bInit256ColorPalette(PPDEV);
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| 95 | VOID vDisablePalette(PPDEV);
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| 96 | VOID vDisableSURF(PPDEV);
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| 97 |
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| 98 | #define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
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| 99 |
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| 100 | //
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| 101 | // Determines the size of the DriverExtra information in the DEVMODE
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| 102 | // structure passed to and from the display driver.
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| 103 | //
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| 104 |
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| 105 | #define DRIVER_EXTRA_SIZE 0
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| 106 |
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| 107 | #define DLL_NAME L"vrdpdd" // Name of the DLL in UNICODE
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| 108 | #define STANDARD_DEBUG_PREFIX "vrdpdd: " // All debug output is prefixed
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| 109 | #define ALLOC_TAG 'rvDD' // Four byte tag (characters in
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| 110 | // reverse order) used for memory
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| 111 | // allocations
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| 112 |
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