| 1 | /******************************Module*Header*******************************\
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| 2 | *
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| 3 | * *******************
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| 4 | * * GDI SAMPLE CODE *
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| 5 | * *******************
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| 6 | *
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| 7 | * Module Name: driver.h
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| 8 | *
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| 9 | * contains prototypes for the frame buffer driver.
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| 10 | *
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| 11 | * Copyright (c) 1992-1998 Microsoft Corporation
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| 12 | \**************************************************************************/
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| 13 |
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| 14 | #include "stddef.h"
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| 15 | #include <stdarg.h>
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| 16 | #include "windef.h"
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| 17 | #include "wingdi.h"
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| 18 | #include "winddi.h"
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| 19 | #include "devioctl.h"
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| 20 | #include "ntddvdeo.h"
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| 21 | #include "debug.h"
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| 22 |
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| 23 | #include "../Miniport/vboxioctl.h"
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| 24 |
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| 25 | #include <VBox/VBoxVideo.h>
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| 26 |
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| 27 | /* Forward declaration. */
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| 28 | struct _PDEV;
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| 29 | typedef struct _PDEV PDEV;
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| 30 | typedef PDEV *PPDEV;
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| 31 |
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| 32 | typedef struct _VBOXDISPLAYINFO
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| 33 | {
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| 34 | VBOXVIDEOINFOHDR hdrLink;
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| 35 | VBOXVIDEOINFOLINK link;
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| 36 | VBOXVIDEOINFOHDR hdrScreen;
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| 37 | VBOXVIDEOINFOSCREEN screen;
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| 38 | VBOXVIDEOINFOHDR hdrHostEvents;
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| 39 | VBOXVIDEOINFOHOSTEVENTS hostEvents;
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| 40 | VBOXVIDEOINFOHDR hdrEnd;
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| 41 | } VBOXDISPLAYINFO;
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| 42 |
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| 43 | #include "vbvavrdp.h"
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| 44 | #include "vrdpbmp.h"
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| 45 |
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| 46 | /* Saved screen bits information. */
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| 47 | typedef struct _SSB
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| 48 | {
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| 49 | ULONG ident; /* 1 based index in the stack = the handle returned by DrvSaveScreenBits (SS_SAVE) */
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| 50 | BYTE *pBuffer; /* Buffer where screen bits are saved. */
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| 51 | } SSB;
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| 52 |
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| 53 | struct _PDEV
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| 54 | {
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| 55 | HANDLE hDriver; // Handle to \Device\Screen
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| 56 | HDEV hdevEng; // Engine's handle to PDEV
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| 57 | HSURF hsurfScreenBitmap; // Engine's handle to VRAM screen bitmap surface
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| 58 | SURFOBJ *psoScreenBitmap; // VRAM screen bitmap surface
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| 59 | HSURF hsurfScreen; // Engine's handle to VRAM screen device surface
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| 60 | ULONG ulBitmapType;
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| 61 | HPALETTE hpalDefault; // Handle to the default palette for device.
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| 62 | PBYTE pjScreen; // This is pointer to base screen address
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| 63 | ULONG cxScreen; // Visible screen width
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| 64 | ULONG cyScreen; // Visible screen height
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| 65 | POINTL ptlOrg; // Where this display is anchored in
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| 66 | // the virtual desktop.
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| 67 | POINTL ptlDevOrg; // Device origin for DualView (0,0 for primary view).
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| 68 | ULONG ulMode; // Mode the mini-port driver is in.
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| 69 | LONG lDeltaScreen; // Distance from one scan to the next.
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| 70 | ULONG cScreenSize; // size of video memory, including
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| 71 | // offscreen memory.
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| 72 | PVOID pOffscreenList; // linked list of DCI offscreen surfaces.
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| 73 | FLONG flRed; // For bitfields device, Red Mask
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| 74 | FLONG flGreen; // For bitfields device, Green Mask
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| 75 | FLONG flBlue; // For bitfields device, Blue Mask
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| 76 | ULONG cPaletteShift; // number of bits the 8-8-8 palette must
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| 77 | // be shifted by to fit in the hardware
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| 78 | // palette.
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| 79 | ULONG ulBitCount; // # of bits per pel 8,16,24,32 are only supported.
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| 80 | POINTL ptlHotSpot; // adjustment for pointer hot spot
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| 81 | VIDEO_POINTER_CAPABILITIES PointerCapabilities; // HW pointer abilities
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| 82 | PVIDEO_POINTER_ATTRIBUTES pPointerAttributes; // hardware pointer attributes
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| 83 | DWORD cjPointerAttributes; // Size of buffer allocated
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| 84 | BOOL fHwCursorActive; // Are we currently using the hw cursor
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| 85 | PALETTEENTRY *pPal; // If this is pal managed, this is the pal
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| 86 | BOOL bSupportDCI; // Does the miniport support DCI?
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| 87 | FLONG flHooks;
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| 88 |
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| 89 | VBVAENABLERESULT vbva;
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| 90 | uint32_t u32VRDPResetFlag;
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| 91 | BOOL fHwBufferOverflow;
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| 92 | VBVARECORD *pRecord;
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| 93 | VRDPBC cache;
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| 94 |
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| 95 | ULONG cSSB; // Number of active saved screen bits records in the following array.
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| 96 | SSB aSSB[4]; // LIFO type stack for saved screen areas.
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| 97 |
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| 98 | VBOXDISPLAYINFO *pInfo;
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| 99 | ULONG iDevice;
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| 100 | #ifdef VBOX_WITH_DDRAW
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| 101 | BOOL bDdExclusiveMode;
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| 102 | DWORD dwNewDDSurfaceOffset;
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| 103 | #endif
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| 104 | };
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| 105 |
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| 106 | /* The global semaphore handle for all driver instances. */
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| 107 | extern HSEMAPHORE ghsemHwBuffer;
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| 108 |
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| 109 |
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| 110 | DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
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| 111 | BOOL bInitPDEV(PPDEV, PDEVMODEW, GDIINFO *, DEVINFO *);
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| 112 | BOOL bInitSURF(PPDEV, BOOL);
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| 113 | BOOL bInitPaletteInfo(PPDEV, DEVINFO *);
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| 114 | BOOL bInitPointer(PPDEV, DEVINFO *);
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| 115 | BOOL bInit256ColorPalette(PPDEV);
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| 116 | BOOL bInitNotificationThread(PPDEV);
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| 117 | VOID vStopNotificationThread (PPDEV);
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| 118 | VOID vDisablePalette(PPDEV);
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| 119 | VOID vDisableSURF(PPDEV);
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| 120 |
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| 121 | #define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
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| 122 |
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| 123 | //
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| 124 | // Determines the size of the DriverExtra information in the DEVMODE
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| 125 | // structure passed to and from the display driver.
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| 126 | //
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| 127 |
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| 128 | #define DRIVER_EXTRA_SIZE 0
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| 129 |
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| 130 | #define DLL_NAME L"VBoxDisp" // Name of the DLL in UNICODE
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| 131 | #define STANDARD_DEBUG_PREFIX "VBOXDISP: " // All debug output is prefixed
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| 132 | #define ALLOC_TAG 'bvDD' // Four byte tag (characters in
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| 133 | // reverse order) used for memory
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| 134 | // allocations
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| 135 |
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| 136 | // VBOX
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| 137 | typedef struct _CLIPRECTS {
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| 138 | ULONG c;
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| 139 | RECTL arcl[64];
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| 140 | } CLIPRECTS;
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| 141 |
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| 142 |
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| 143 | BOOL vboxVbvaEnable (PPDEV ppdev);
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| 144 | void vboxVbvaDisable (PPDEV ppdev);
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| 145 |
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| 146 | BOOL vboxHwBufferBeginUpdate (PPDEV ppdev);
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| 147 | void vboxHwBufferEndUpdate (PPDEV ppdev);
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| 148 |
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| 149 | BOOL vboxWrite (PPDEV ppdev, const void *pv, uint32_t cb);
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| 150 |
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| 151 | BOOL vboxOrderSupported (PPDEV ppdev, unsigned code);
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| 152 |
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| 153 | void VBoxProcessDisplayInfo(PPDEV ppdev);
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| 154 | void VBoxUpdateDisplayInfo (PPDEV ppdev);
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| 155 |
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| 156 | void drvLoadEng (void);
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| 157 |
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| 158 | BOOL bIsScreenSurface (SURFOBJ *pso);
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| 159 |
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| 160 | __inline SURFOBJ *getSurfObj (SURFOBJ *pso)
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| 161 | {
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| 162 | if (pso)
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| 163 | {
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| 164 | PPDEV ppdev = (PPDEV)pso->dhpdev;
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| 165 |
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| 166 | if (ppdev)
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| 167 | {
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| 168 | if (bIsScreenSurface(pso))
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| 169 | {
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| 170 | pso = ppdev->psoScreenBitmap;
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| 171 | }
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| 172 | }
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| 173 | }
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| 174 |
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| 175 | return pso;
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| 176 | }
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| 177 |
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| 178 | #define CONV_SURF(_pso) getSurfObj (_pso)
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| 179 |
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| 180 | __inline int format2BytesPerPixel(const SURFOBJ *pso)
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| 181 | {
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| 182 | switch (pso->iBitmapFormat)
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| 183 | {
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| 184 | case BMF_16BPP: return 2;
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| 185 | case BMF_24BPP: return 3;
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| 186 | case BMF_32BPP: return 4;
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| 187 | }
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| 188 |
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| 189 | return 0;
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| 190 | }
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| 191 |
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| 192 | #include <iprt/assert.h>
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| 193 |
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| 194 | #define VBVA_ASSERT(expr) \
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| 195 | do { \
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| 196 | if (!(expr)) \
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| 197 | { \
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| 198 | AssertMsg1(#expr, __LINE__, __FILE__, __PRETTY_FUNCTION__); \
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| 199 | AssertMsg2("!!!\n"); \
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| 200 | } \
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| 201 | } while (0)
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| 202 |
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| 203 | #ifdef STAT_sunlover
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| 204 | extern ULONG gStatCopyBitsOffscreenToScreen;
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| 205 | extern ULONG gStatCopyBitsScreenToScreen;
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| 206 | extern ULONG gStatBitBltOffscreenToScreen;
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| 207 | extern ULONG gStatBitBltScreenToScreen;
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| 208 | extern ULONG gStatUnchangedOffscreenToScreen;
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| 209 | extern ULONG gStatUnchangedOffscreenToScreenCRC;
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| 210 | extern ULONG gStatNonTransientEngineBitmaps;
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| 211 | extern ULONG gStatTransientEngineBitmaps;
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| 212 | extern ULONG gStatUnchangedBitmapsCRC;
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| 213 | extern ULONG gStatUnchangedBitmapsDeviceCRC;
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| 214 | extern ULONG gStatBitmapsCRC;
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| 215 | extern ULONG gStatBitBltScreenPattern;
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| 216 | extern ULONG gStatBitBltScreenSquare;
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| 217 | extern ULONG gStatBitBltScreenPatternReported;
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| 218 | extern ULONG gStatBitBltScreenSquareReported;
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| 219 | extern ULONG gStatCopyBitsScreenSquare;
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| 220 |
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| 221 | extern ULONG gStatEnablePDEV;
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| 222 | extern ULONG gStatCompletePDEV;
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| 223 | extern ULONG gStatDisablePDEV;
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| 224 | extern ULONG gStatEnableSurface;
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| 225 | extern ULONG gStatDisableSurface;
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| 226 | extern ULONG gStatAssertMode;
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| 227 | extern ULONG gStatDisableDriver;
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| 228 | extern ULONG gStatCreateDeviceBitmap;
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| 229 | extern ULONG gStatDeleteDeviceBitmap;
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| 230 | extern ULONG gStatDitherColor;
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| 231 | extern ULONG gStatStrokePath;
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| 232 | extern ULONG gStatFillPath;
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| 233 | extern ULONG gStatStrokeAndFillPath;
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| 234 | extern ULONG gStatPaint;
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| 235 | extern ULONG gStatBitBlt;
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| 236 | extern ULONG gStatCopyBits;
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| 237 | extern ULONG gStatStretchBlt;
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| 238 | extern ULONG gStatSetPalette;
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| 239 | extern ULONG gStatTextOut;
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| 240 | extern ULONG gStatSetPointerShape;
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| 241 | extern ULONG gStatMovePointer;
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| 242 | extern ULONG gStatLineTo;
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| 243 | extern ULONG gStatSynchronize;
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| 244 | extern ULONG gStatGetModes;
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| 245 | extern ULONG gStatGradientFill;
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| 246 | extern ULONG gStatStretchBltROP;
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| 247 | extern ULONG gStatPlgBlt;
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| 248 | extern ULONG gStatAlphaBlend;
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| 249 | extern ULONG gStatTransparentBlt;
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| 250 |
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| 251 | void statPrint (void);
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| 252 |
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| 253 | #define STATDRVENTRY(a, b) do { if (bIsScreenSurface (b)) gStat##a++; } while (0)
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| 254 | #define STATPRINT do { statPrint (); } while (0)
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| 255 | #else
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| 256 | #define STATDRVENTRY(a, b)
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| 257 | #define STATPRINT
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| 258 | #endif /* STAT_sunlover */
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