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1404 lines
48 KiB
1404 lines
48 KiB
/******************************Module*Header*******************************\
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* Module Name: enable.c
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*
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* This module contains the functions that enable and disable the
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* driver, the pdev, and the surface.
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*
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* Copyright (c) 1992-1995 Microsoft Corporation
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\**************************************************************************/
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#include "precomp.h"
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/******************************Public*Structure****************************\
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* GDIINFO ggdiDefault
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*
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* This contains the default GDIINFO fields that are passed back to GDI
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* during DrvEnablePDEV.
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*
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* NOTE: This structure defaults to values for an 8bpp palette device.
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* Some fields are overwritten for different colour depths.
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\**************************************************************************/
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GDIINFO ggdiDefault = {
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GDI_DRIVER_VERSION,
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DT_RASDISPLAY, // ulTechnology
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0, // ulHorzSize (filled in later)
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0, // ulVertSize (filled in later)
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0, // ulHorzRes (filled in later)
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0, // ulVertRes (filled in later)
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0, // cBitsPixel (filled in later)
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0, // cPlanes (filled in later)
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20, // ulNumColors (palette managed)
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0, // flRaster (DDI reserved field)
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0, // ulLogPixelsX (filled in later)
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0, // ulLogPixelsY (filled in later)
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TC_RA_ABLE, // flTextCaps -- If we had wanted console windows
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// to scroll by repainting the entire window,
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// instead of doing a screen-to-screen blt, we
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// would have set TC_SCROLLBLT (yes, the flag is
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// bass-ackwards).
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0, // ulDACRed (filled in later)
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0, // ulDACGreen (filled in later)
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0, // ulDACBlue (filled in later)
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0x0024, // ulAspectX
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0x0024, // ulAspectY
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0x0033, // ulAspectXY (one-to-one aspect ratio)
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1, // xStyleStep
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1, // yStyleSte;
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3, // denStyleStep -- Styles have a one-to-one aspect
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// ratio, and every 'dot' is 3 pixels long
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{ 0, 0 }, // ptlPhysOffset
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{ 0, 0 }, // szlPhysSize
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256, // ulNumPalReg
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// These fields are for halftone initialization. The actual values are
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// a bit magic, but seem to work well on our display.
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{ // ciDevice
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{ 6700, 3300, 0 }, // Red
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{ 2100, 7100, 0 }, // Green
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{ 1400, 800, 0 }, // Blue
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{ 1750, 3950, 0 }, // Cyan
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{ 4050, 2050, 0 }, // Magenta
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{ 4400, 5200, 0 }, // Yellow
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{ 3127, 3290, 0 }, // AlignmentWhite
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20000, // RedGamma
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20000, // GreenGamma
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20000, // BlueGamma
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0, 0, 0, 0, 0, 0 // No dye correction for raster displays
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},
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0, // ulDevicePelsDPI (for printers only)
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PRIMARY_ORDER_CBA, // ulPrimaryOrder
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HT_PATSIZE_4x4_M, // ulHTPatternSize
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HT_FORMAT_8BPP, // ulHTOutputFormat
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HT_FLAG_ADDITIVE_PRIMS, // flHTFlags
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0, // ulVRefresh
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0, // ulBltAlignment
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0, // ulPanningHorzRes
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0, // ulPanningVertRes
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};
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/******************************Public*Structure****************************\
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* DEVINFO gdevinfoDefault
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*
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* This contains the default DEVINFO fields that are passed back to GDI
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* during DrvEnablePDEV.
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*
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* NOTE: This structure defaults to values for an 8bpp palette device.
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* Some fields are overwritten for different colour depths.
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\**************************************************************************/
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#define SYSTM_LOGFONT {16,7,0,0,700,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,\
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CLIP_DEFAULT_PRECIS,DEFAULT_QUALITY,\
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VARIABLE_PITCH | FF_DONTCARE,L"System"}
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#define HELVE_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,\
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CLIP_STROKE_PRECIS,PROOF_QUALITY,\
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VARIABLE_PITCH | FF_DONTCARE,L"MS Sans Serif"}
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#define COURI_LOGFONT {12,9,0,0,400,0,0,0,ANSI_CHARSET,OUT_DEFAULT_PRECIS,\
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CLIP_STROKE_PRECIS,PROOF_QUALITY,\
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FIXED_PITCH | FF_DONTCARE, L"Courier"}
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DEVINFO gdevinfoDefault = {
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(GCAPS_OPAQUERECT |
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GCAPS_DITHERONREALIZE |
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GCAPS_PALMANAGED |
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GCAPS_ALTERNATEFILL |
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GCAPS_WINDINGFILL |
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GCAPS_MONO_DITHER |
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GCAPS_COLOR_DITHER |
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GCAPS_BEZIERS), // NOTE:
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// In the past, we tried
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// GCAPS_ASYNCMOVE, but we
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// ran into trouble on PPC
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// machines and had to remove
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// it.
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// flGraphicsFlags
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SYSTM_LOGFONT, // lfDefaultFont
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HELVE_LOGFONT, // lfAnsiVarFont
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COURI_LOGFONT, // lfAnsiFixFont
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0, // cFonts
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BMF_8BPP, // iDitherFormat
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8, // cxDither
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8, // cyDither
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0 // hpalDefault (filled in later)
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};
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/******************************Public*Structure****************************\
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* DFVFN gadrvfn[]
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*
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* Build the driver function table gadrvfn with function index/address
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* pairs. This table tells GDI which DDI calls we support, and their
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* location (GDI does an indirect call through this table to call us).
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*
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* Why haven't we implemented DrvSaveScreenBits? To save code.
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*
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* When the driver doesn't hook DrvSaveScreenBits, USER simulates on-
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* the-fly by creating a temporary device-format-bitmap, and explicitly
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* calling DrvCopyBits to save/restore the bits. Since we already hook
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* DrvCreateDeviceBitmap, we'll end up using off-screen memory to store
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* the bits anyway (which would have been the main reason for implementing
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* DrvSaveScreenBits). So we may as well save some working set.
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\**************************************************************************/
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#if MULTI_BOARDS
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// Multi-board support has its own thunks...
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DRVFN gadrvfn[] = {
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{ INDEX_DrvEnablePDEV, (PFN) MulEnablePDEV },
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{ INDEX_DrvCompletePDEV, (PFN) MulCompletePDEV },
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{ INDEX_DrvDisablePDEV, (PFN) MulDisablePDEV },
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{ INDEX_DrvEnableSurface, (PFN) MulEnableSurface },
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{ INDEX_DrvDisableSurface, (PFN) MulDisableSurface },
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{ INDEX_DrvAssertMode, (PFN) MulAssertMode },
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{ INDEX_DrvMovePointer, (PFN) MulMovePointer },
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{ INDEX_DrvSetPointerShape, (PFN) MulSetPointerShape },
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{ INDEX_DrvDitherColor, (PFN) MulDitherColor },
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{ INDEX_DrvSetPalette, (PFN) MulSetPalette },
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{ INDEX_DrvCopyBits, (PFN) MulCopyBits },
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{ INDEX_DrvBitBlt, (PFN) MulBitBlt },
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{ INDEX_DrvTextOut, (PFN) MulTextOut },
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{ INDEX_DrvGetModes, (PFN) MulGetModes },
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{ INDEX_DrvStrokePath, (PFN) MulStrokePath },
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{ INDEX_DrvFillPath, (PFN) MulFillPath },
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{ INDEX_DrvPaint, (PFN) MulPaint },
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{ INDEX_DrvRealizeBrush, (PFN) MulRealizeBrush },
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{ INDEX_DrvDestroyFont, (PFN) MulDestroyFont },
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// Note that DrvCreateDeviceBitmap is not supported for multi-boards
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// Note that DrvDeleteDeviceBitmap is not supported for multi-boards
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// Note that DrvStretchBlt is not supported for multi-boards
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// Note that DrvSynchronize is not supported for multi-boards
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// Note that DrvEscape is not supported for multi-boards
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};
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#elif DBG
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// On Checked builds, or when we have to synchronize access, thunk
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// everything through Dbg calls...
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DRVFN gadrvfn[] = {
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{ INDEX_DrvEnablePDEV, (PFN) DbgEnablePDEV },
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{ INDEX_DrvCompletePDEV, (PFN) DbgCompletePDEV },
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{ INDEX_DrvDisablePDEV, (PFN) DbgDisablePDEV },
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{ INDEX_DrvEnableSurface, (PFN) DbgEnableSurface },
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{ INDEX_DrvDisableSurface, (PFN) DbgDisableSurface },
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{ INDEX_DrvAssertMode, (PFN) DbgAssertMode },
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{ INDEX_DrvMovePointer, (PFN) DbgMovePointer },
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{ INDEX_DrvSetPointerShape, (PFN) DbgSetPointerShape },
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{ INDEX_DrvDitherColor, (PFN) DbgDitherColor },
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{ INDEX_DrvSetPalette, (PFN) DbgSetPalette },
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{ INDEX_DrvCopyBits, (PFN) DbgCopyBits },
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{ INDEX_DrvBitBlt, (PFN) DbgBitBlt },
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{ INDEX_DrvTextOut, (PFN) DbgTextOut },
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{ INDEX_DrvGetModes, (PFN) DbgGetModes },
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{ INDEX_DrvStrokePath, (PFN) DbgStrokePath },
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{ INDEX_DrvFillPath, (PFN) DbgFillPath },
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{ INDEX_DrvPaint, (PFN) DbgPaint },
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{ INDEX_DrvRealizeBrush, (PFN) DbgRealizeBrush },
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{ INDEX_DrvCreateDeviceBitmap, (PFN) DbgCreateDeviceBitmap },
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{ INDEX_DrvDeleteDeviceBitmap, (PFN) DbgDeleteDeviceBitmap },
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{ INDEX_DrvStretchBlt, (PFN) DbgStretchBlt },
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{ INDEX_DrvSynchronize, (PFN) DbgSynchronize },
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{ INDEX_DrvDestroyFont, (PFN) DbgDestroyFont },
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};
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#else
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// On Free builds, directly call the appropriate functions...
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DRVFN gadrvfn[] = {
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{ INDEX_DrvEnablePDEV, (PFN) DrvEnablePDEV },
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{ INDEX_DrvCompletePDEV, (PFN) DrvCompletePDEV },
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{ INDEX_DrvDisablePDEV, (PFN) DrvDisablePDEV },
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{ INDEX_DrvEnableSurface, (PFN) DrvEnableSurface },
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{ INDEX_DrvDisableSurface, (PFN) DrvDisableSurface },
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{ INDEX_DrvAssertMode, (PFN) DrvAssertMode },
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{ INDEX_DrvMovePointer, (PFN) DrvMovePointer },
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{ INDEX_DrvSetPointerShape, (PFN) DrvSetPointerShape },
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{ INDEX_DrvDitherColor, (PFN) DrvDitherColor },
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{ INDEX_DrvSetPalette, (PFN) DrvSetPalette },
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{ INDEX_DrvCopyBits, (PFN) DrvCopyBits },
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{ INDEX_DrvBitBlt, (PFN) DrvBitBlt },
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{ INDEX_DrvTextOut, (PFN) DrvTextOut },
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{ INDEX_DrvGetModes, (PFN) DrvGetModes },
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{ INDEX_DrvStrokePath, (PFN) DrvStrokePath },
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{ INDEX_DrvFillPath, (PFN) DrvFillPath },
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{ INDEX_DrvPaint, (PFN) DrvPaint },
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{ INDEX_DrvRealizeBrush, (PFN) DrvRealizeBrush },
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{ INDEX_DrvCreateDeviceBitmap, (PFN) DrvCreateDeviceBitmap },
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{ INDEX_DrvDeleteDeviceBitmap, (PFN) DrvDeleteDeviceBitmap },
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{ INDEX_DrvStretchBlt, (PFN) DrvStretchBlt },
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{ INDEX_DrvSynchronize, (PFN) DrvSynchronize },
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{ INDEX_DrvDestroyFont, (PFN) DrvDestroyFont },
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};
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#endif
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ULONG gcdrvfn = sizeof(gadrvfn) / sizeof(DRVFN);
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/******************************Public*Routine******************************\
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* BOOL DrvEnableDriver
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*
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* Enables the driver by retrieving the drivers function table and version.
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*
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\**************************************************************************/
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BOOL DrvEnableDriver(
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ULONG iEngineVersion,
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ULONG cj,
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DRVENABLEDATA* pded)
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{
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// Engine Version is passed down so future drivers can support previous
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// engine versions. A next generation driver can support both the old
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// and new engine conventions if told what version of engine it is
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// working with. For the first version the driver does nothing with it.
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// Fill in as much as we can.
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if (cj >= sizeof(DRVENABLEDATA))
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pded->pdrvfn = gadrvfn;
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if (cj >= (sizeof(ULONG) * 2))
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pded->c = gcdrvfn;
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// DDI version this driver was targeted for is passed back to engine.
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// Future graphic's engine may break calls down to old driver format.
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if (cj >= sizeof(ULONG))
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pded->iDriverVersion = DDI_DRIVER_VERSION_NT4;
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return(TRUE);
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}
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/******************************Public*Routine******************************\
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* VOID DrvDisableDriver
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*
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* Tells the driver it is being disabled. Release any resources allocated in
|
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* DrvEnableDriver.
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*
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\**************************************************************************/
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VOID DrvDisableDriver(VOID)
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{
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return;
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}
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/******************************Public*Routine******************************\
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* DHPDEV DrvEnablePDEV
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*
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* Initializes a bunch of fields for GDI, based on the mode we've been asked
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* to do. This is the first thing called after DrvEnableDriver, when GDI
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* wants to get some information about us.
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*
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* (This function mostly returns back information; DrvEnableSurface is used
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* for initializing the hardware and driver components.)
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*
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\**************************************************************************/
|
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DHPDEV DrvEnablePDEV(
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DEVMODEW* pdm, // Contains data pertaining to requested mode
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PWSTR pwszLogAddr, // Logical address
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ULONG cPat, // Count of standard patterns
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HSURF* phsurfPatterns, // Buffer for standard patterns
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ULONG cjCaps, // Size of buffer for device caps 'pdevcaps'
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ULONG* pdevcaps, // Buffer for device caps, also known as 'gdiinfo'
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ULONG cjDevInfo, // Number of bytes in device info 'pdi'
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DEVINFO* pdi, // Device information
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HDEV hdev, // HDEV, used for callbacks
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PWSTR pwszDeviceName, // Device name
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HANDLE hDriver) // Kernel driver handle
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{
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PDEV* ppdev;
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// Future versions of NT had better supply 'devcaps' and 'devinfo'
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// structures that are the same size or larger than the current
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// structures:
|
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if ((cjCaps < sizeof(GDIINFO)) || (cjDevInfo < sizeof(DEVINFO)))
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{
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DISPDBG((0, "DrvEnablePDEV - Buffer size too small"));
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goto ReturnFailure0;
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}
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// Allocate a physical device structure. Note that we definitely
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// rely on the zero initialization:
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ppdev = (PDEV*) EngAllocMem(FL_ZERO_MEMORY, sizeof(PDEV), ALLOC_TAG);
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if (ppdev == NULL)
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{
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DISPDBG((0, "DrvEnablePDEV - Failed EngAllocMem"));
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goto ReturnFailure0;
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}
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ppdev->hDriver = hDriver;
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|
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// Get the current screen mode information. Set up device caps and
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// devinfo:
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if (!bInitializeModeFields(ppdev, (GDIINFO*) pdevcaps, pdi, pdm))
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{
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DISPDBG((0, "DrvEnablePDEV - Failed bInitializeModeFields"));
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goto ReturnFailure1;
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}
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|
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// Initialize palette information.
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|
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if (!bInitializePalette(ppdev, pdi))
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{
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DISPDBG((0, "DrvEnablePDEV - Failed bInitializePalette"));
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goto ReturnFailure1;
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}
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return((DHPDEV) ppdev);
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ReturnFailure1:
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DrvDisablePDEV((DHPDEV) ppdev);
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ReturnFailure0:
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DISPDBG((0, "Failed DrvEnablePDEV"));
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return(0);
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}
|
|
|
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/******************************Public*Routine******************************\
|
|
* DrvDisablePDEV
|
|
*
|
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* Release the resources allocated in DrvEnablePDEV. If a surface has been
|
|
* enabled DrvDisableSurface will have already been called.
|
|
*
|
|
* Note that this function will be called when previewing modes in the
|
|
* Display Applet, but not at system shutdown. If you need to reset the
|
|
* hardware at shutdown, you can do it in the miniport by providing a
|
|
* 'HwResetHw' entry point in the VIDEO_HW_INITIALIZATION_DATA structure.
|
|
*
|
|
* Note: In an error, we may call this before DrvEnablePDEV is done.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
VOID DrvDisablePDEV(
|
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DHPDEV dhpdev)
|
|
{
|
|
PDEV* ppdev;
|
|
|
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ppdev = (PDEV*) dhpdev;
|
|
|
|
vUninitializePalette(ppdev);
|
|
EngFreeMem(ppdev);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* VOID DrvCompletePDEV
|
|
*
|
|
* Store the HPDEV, the engines handle for this PDEV, in the DHPDEV.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
VOID DrvCompletePDEV(
|
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DHPDEV dhpdev,
|
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HDEV hdev)
|
|
{
|
|
((PDEV*) dhpdev)->hdevEng = hdev;
|
|
}
|
|
|
|
|
|
/******************************Public*Routine******************************\
|
|
* HSURF DrvEnableSurface
|
|
*
|
|
* Creates the drawing surface, initializes the hardware, and initializes
|
|
* driver components. This function is called after DrvEnablePDEV, and
|
|
* performs the final device initialization.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
HSURF DrvEnableSurface(
|
|
DHPDEV dhpdev)
|
|
{
|
|
PDEV* ppdev;
|
|
HSURF hsurf;
|
|
SIZEL sizl;
|
|
DSURF* pdsurf;
|
|
VOID* pvTmpBuffer;
|
|
|
|
ppdev = (PDEV*) dhpdev;
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// First enable all the subcomponents.
|
|
//
|
|
// Note that the order in which these 'Enable' functions are called
|
|
// may be significant in low off-screen memory conditions, because
|
|
// the off-screen heap manager may fail some of the later
|
|
// allocations...
|
|
|
|
if (!bEnableHardware(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
if (!bEnableOffscreenHeap(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
if (!bEnablePointer(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
if (!bEnableText(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
if (!bEnableBrushCache(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
if (!bEnablePalette(ppdev))
|
|
goto ReturnFailure;
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// Now create our private surface structure.
|
|
//
|
|
// Whenever we get a call to draw directly to the screen, we'll get
|
|
// passed a pointer to a SURFOBJ whose 'dhpdev' field will point
|
|
// to our PDEV structure, and whose 'dhsurf' field will point to the
|
|
// following DSURF structure.
|
|
//
|
|
// Every device bitmap we create in DrvCreateDeviceBitmap will also
|
|
// have its own unique DSURF structure allocated (but will share the
|
|
// same PDEV). To make our code more polymorphic for handling drawing
|
|
// to either the screen or an off-screen bitmap, we have the same
|
|
// structure for both.
|
|
|
|
pdsurf = EngAllocMem(FL_ZERO_MEMORY, sizeof(DSURF), ALLOC_TAG);
|
|
if (pdsurf == NULL)
|
|
{
|
|
DISPDBG((0, "DrvEnableSurface - Failed pdsurf EngAllocMem"));
|
|
goto ReturnFailure;
|
|
}
|
|
|
|
ppdev->pdsurfScreen = pdsurf; // Remember it for clean-up
|
|
pdsurf->poh = ppdev->pohScreen; // The screen is a surface, too
|
|
pdsurf->dt = DT_SCREEN; // Not to be confused with a DIB
|
|
pdsurf->sizl.cx = ppdev->cxScreen;
|
|
pdsurf->sizl.cy = ppdev->cyScreen;
|
|
pdsurf->ppdev = ppdev;
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// Next, have GDI create the actual SURFOBJ.
|
|
//
|
|
// Since we can map the entire framebuffer linearly into main memory
|
|
// (i.e., we didn't have to go through a 64k aperture), it is
|
|
// beneficial to create the surface via EngCreateBitmap, giving GDI a
|
|
// pointer to the framebuffer bits.
|
|
|
|
sizl.cx = ppdev->cxScreen;
|
|
sizl.cy = ppdev->cyScreen;
|
|
|
|
{
|
|
SURFOBJ* pso;
|
|
|
|
// Engine-managed surface:
|
|
|
|
hsurf = (HSURF) EngCreateBitmap(sizl, ppdev->lDelta, ppdev->iBitmapFormat,
|
|
BMF_TOPDOWN, ppdev->pjScreen);
|
|
if (hsurf == 0)
|
|
{
|
|
DISPDBG((0, "DrvEnableSurface - Failed EngCreateBitmap"));
|
|
goto ReturnFailure;
|
|
}
|
|
|
|
// Set it up so that the when we are passed a SURFOBJ for the
|
|
// screen, the 'dhsurf' will point to the screen's surface structure:
|
|
// !!! Grody?
|
|
|
|
pso = EngLockSurface(hsurf);
|
|
if (pso == NULL)
|
|
{
|
|
DISPDBG((0, "DrvEnableSurface - Couldn't lock our surface"));
|
|
goto ReturnFailure;
|
|
}
|
|
pso->dhsurf = (DHSURF) pdsurf;
|
|
EngUnlockSurface(pso);
|
|
}
|
|
|
|
ppdev->hsurfScreen = hsurf; // Remember it for clean-up
|
|
ppdev->bEnabled = TRUE; // We'll soon be in graphics mode
|
|
|
|
/////////////////////////////////////////////////////////////////////
|
|
// Now associate the surface and the PDEV.
|
|
//
|
|
// We have to associate the surface we just created with our physical
|
|
// device so that GDI can get information related to the PDEV when
|
|
// it's drawing to the surface (such as, for example, the length of
|
|
// styles on the device when simulating styled lines).
|
|
//
|
|
|
|
if (!EngAssociateSurface(hsurf, ppdev->hdevEng, ppdev->flHooks))
|
|
{
|
|
DISPDBG((0, "DrvEnableSurface - Failed EngAssociateSurface"));
|
|
goto ReturnFailure;
|
|
}
|
|
|
|
// Create our generic temporary buffer, which may be used by any
|
|
// component. Because this may get swapped out of memory any time
|
|
// the driver is not active, we want to minimize the number of pages
|
|
// it takes up. We use 'VirtualAlloc' to get an exactly page-aligned
|
|
// allocation (which 'EngAllocMem' will not do):
|
|
|
|
pvTmpBuffer = EngAllocMem(0, TMP_BUFFER_SIZE, ALLOC_TAG);
|
|
if (pvTmpBuffer == NULL)
|
|
{
|
|
DISPDBG((0, "DrvEnableSurface - Failed EngAllocMem"));
|
|
goto ReturnFailure;
|
|
}
|
|
|
|
ppdev->pvTmpBuffer = pvTmpBuffer;
|
|
|
|
DISPDBG((5, "Passed DrvEnableSurface"));
|
|
|
|
return(hsurf);
|
|
|
|
ReturnFailure:
|
|
DrvDisableSurface((DHPDEV) ppdev);
|
|
|
|
DISPDBG((0, "Failed DrvEnableSurface"));
|
|
|
|
return(0);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* VOID DrvDisableSurface
|
|
*
|
|
* Free resources allocated by DrvEnableSurface. Release the surface.
|
|
*
|
|
* Note that this function will be called when previewing modes in the
|
|
* Display Applet, but not at system shutdown. If you need to reset the
|
|
* hardware at shutdown, you can do it in the miniport by providing a
|
|
* 'HwResetHw' entry point in the VIDEO_HW_INITIALIZATION_DATA structure.
|
|
*
|
|
* Note: In an error case, we may call this before DrvEnableSurface is
|
|
* completely done.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
VOID DrvDisableSurface(
|
|
DHPDEV dhpdev)
|
|
{
|
|
PDEV* ppdev;
|
|
|
|
ppdev = (PDEV*) dhpdev;
|
|
|
|
// Note: In an error case, some of the following relies on the
|
|
// fact that the PDEV is zero-initialized, so fields like
|
|
// 'hsurfScreen' will be zero unless the surface has been
|
|
// sucessfully initialized, and makes the assumption that
|
|
// EngDeleteSurface can take '0' as a parameter.
|
|
|
|
vDisablePalette(ppdev);
|
|
vDisableBrushCache(ppdev);
|
|
vDisableText(ppdev);
|
|
vDisablePointer(ppdev);
|
|
vDisableOffscreenHeap(ppdev);
|
|
vDisableHardware(ppdev);
|
|
|
|
EngFreeMem(ppdev->pvTmpBuffer);
|
|
EngDeleteSurface(ppdev->hsurfScreen);
|
|
EngFreeMem(ppdev->pdsurfScreen);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* VOID DrvAssertMode
|
|
*
|
|
* This asks the device to reset itself to the mode of the pdev passed in.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
BOOL DrvAssertMode(
|
|
DHPDEV dhpdev,
|
|
BOOL bEnable)
|
|
{
|
|
PDEV* ppdev;
|
|
|
|
ppdev = (PDEV*) dhpdev;
|
|
|
|
if (!bEnable)
|
|
{
|
|
//////////////////////////////////////////////////////////////
|
|
// Disable - Switch to full-screen mode
|
|
|
|
vAssertModePalette(ppdev, FALSE);
|
|
|
|
vAssertModeBrushCache(ppdev, FALSE);
|
|
|
|
vAssertModeText(ppdev, FALSE);
|
|
|
|
vAssertModePointer(ppdev, FALSE);
|
|
|
|
if (bAssertModeOffscreenHeap(ppdev, FALSE))
|
|
{
|
|
if (bAssertModeHardware(ppdev, FALSE))
|
|
{
|
|
ppdev->bEnabled = FALSE;
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////
|
|
// We failed to switch to full-screen. So undo everything:
|
|
|
|
bAssertModeOffscreenHeap(ppdev, TRUE); // We don't need to check
|
|
} // return code with TRUE
|
|
|
|
vAssertModePointer(ppdev, TRUE);
|
|
|
|
vAssertModeText(ppdev, TRUE);
|
|
|
|
vAssertModeBrushCache(ppdev, TRUE);
|
|
|
|
vAssertModePalette(ppdev, TRUE);
|
|
}
|
|
else
|
|
{
|
|
//////////////////////////////////////////////////////////////
|
|
// Enable - Switch back to graphics mode
|
|
|
|
// We have to enable every subcomponent in the reverse order
|
|
// in which it was disabled:
|
|
|
|
if (bAssertModeHardware(ppdev, TRUE))
|
|
{
|
|
bAssertModeOffscreenHeap(ppdev, TRUE); // We don't need to check
|
|
// return code with TRUE
|
|
vAssertModePointer(ppdev, TRUE);
|
|
|
|
vAssertModeText(ppdev, TRUE);
|
|
|
|
vAssertModeBrushCache(ppdev, TRUE);
|
|
|
|
vAssertModePalette(ppdev, TRUE);
|
|
|
|
ppdev->bEnabled = TRUE;
|
|
|
|
return(TRUE);
|
|
}
|
|
}
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* ULONG DrvGetModes
|
|
*
|
|
* Returns the list of available modes for the device.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
ULONG DrvGetModes(
|
|
HANDLE hDriver,
|
|
ULONG cjSize,
|
|
DEVMODEW* pdm)
|
|
{
|
|
DWORD cModes;
|
|
DWORD cbOutputSize;
|
|
PVIDEO_MODE_INFORMATION pVideoModeInformation;
|
|
PVIDEO_MODE_INFORMATION pVideoTemp;
|
|
DWORD cOutputModes = cjSize / (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE);
|
|
DWORD cbModeSize;
|
|
|
|
cModes = getAvailableModes(hDriver,
|
|
(PVIDEO_MODE_INFORMATION *) &pVideoModeInformation,
|
|
&cbModeSize);
|
|
if (cModes == 0)
|
|
{
|
|
DISPDBG((0, "DrvGetModes failed to get mode information"));
|
|
return(0);
|
|
}
|
|
|
|
if (pdm == NULL)
|
|
{
|
|
cbOutputSize = cModes * (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE);
|
|
}
|
|
else
|
|
{
|
|
//
|
|
// Now copy the information for the supported modes back into the
|
|
// output buffer
|
|
//
|
|
|
|
cbOutputSize = 0;
|
|
|
|
pVideoTemp = pVideoModeInformation;
|
|
|
|
do
|
|
{
|
|
if (pVideoTemp->Length != 0)
|
|
{
|
|
if (cOutputModes == 0)
|
|
{
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Zero the entire structure to start off with.
|
|
//
|
|
|
|
memset(pdm, 0, sizeof(DEVMODEW));
|
|
|
|
//
|
|
// Set the name of the device to the name of the DLL.
|
|
//
|
|
|
|
memcpy(pdm->dmDeviceName, DLL_NAME, sizeof(DLL_NAME));
|
|
|
|
pdm->dmSpecVersion = DM_SPECVERSION;
|
|
pdm->dmDriverVersion = DM_SPECVERSION;
|
|
pdm->dmSize = sizeof(DEVMODEW);
|
|
pdm->dmDriverExtra = DRIVER_EXTRA_SIZE;
|
|
|
|
pdm->dmBitsPerPel = pVideoTemp->NumberOfPlanes *
|
|
pVideoTemp->BitsPerPlane;
|
|
pdm->dmPelsWidth = pVideoTemp->VisScreenWidth;
|
|
pdm->dmPelsHeight = pVideoTemp->VisScreenHeight;
|
|
pdm->dmDisplayFrequency = pVideoTemp->Frequency;
|
|
pdm->dmDisplayFlags = 0;
|
|
|
|
pdm->dmFields = DM_BITSPERPEL |
|
|
DM_PELSWIDTH |
|
|
DM_PELSHEIGHT |
|
|
DM_DISPLAYFREQUENCY |
|
|
DM_DISPLAYFLAGS ;
|
|
|
|
//
|
|
// Go to the next DEVMODE entry in the buffer.
|
|
//
|
|
|
|
cOutputModes--;
|
|
|
|
pdm = (LPDEVMODEW) ( ((ULONG_PTR)pdm) + sizeof(DEVMODEW) +
|
|
DRIVER_EXTRA_SIZE);
|
|
|
|
cbOutputSize += (sizeof(DEVMODEW) + DRIVER_EXTRA_SIZE);
|
|
|
|
}
|
|
|
|
pVideoTemp = (PVIDEO_MODE_INFORMATION)
|
|
(((PUCHAR)pVideoTemp) + cbModeSize);
|
|
|
|
|
|
} while (--cModes);
|
|
}
|
|
|
|
EngFreeMem(pVideoModeInformation);
|
|
|
|
return(cbOutputSize);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* BOOL bAssertModeHardware
|
|
*
|
|
* Sets the appropriate hardware state for graphics mode or full-screen.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
BOOL bAssertModeHardware(
|
|
PDEV* ppdev,
|
|
BOOL bEnable)
|
|
{
|
|
DWORD ReturnedDataLength;
|
|
ULONG ulReturn;
|
|
|
|
if (bEnable)
|
|
{
|
|
// Call the miniport via an IOCTL to set the graphics mode.
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_SET_CURRENT_MODE,
|
|
&ppdev->ulMode, // input buffer
|
|
sizeof(DWORD),
|
|
NULL,
|
|
0,
|
|
&ReturnedDataLength))
|
|
{
|
|
DISPDBG((0, "bAssertModeHardware - Failed VIDEO_SET_CURRENT_MODE"));
|
|
return(FALSE);
|
|
}
|
|
|
|
vResetClipping(ppdev);
|
|
}
|
|
else
|
|
{
|
|
// Wait for all pending accelerator operations to finish:
|
|
|
|
CP_WAIT(ppdev, ppdev->pjBase);
|
|
|
|
// Call the kernel driver to reset the device to a known state.
|
|
// NTVDM will take things from there:
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_RESET_DEVICE,
|
|
NULL,
|
|
0,
|
|
NULL,
|
|
0,
|
|
&ulReturn))
|
|
{
|
|
DISPDBG((0, "bAssertModeHardware - Failed reset IOCTL"));
|
|
return(FALSE);
|
|
}
|
|
}
|
|
|
|
DISPDBG((5, "Passed bAssertModeHardware"));
|
|
|
|
return(TRUE);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* BOOL bEnableHardware
|
|
*
|
|
* Puts the hardware in the requested mode and initializes it.
|
|
*
|
|
* Note: Should be called before any access is done to the hardware from
|
|
* the display driver.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
BOOL bEnableHardware(
|
|
PDEV* ppdev)
|
|
{
|
|
VIDEO_MEMORY VideoMemory;
|
|
VIDEO_MEMORY_INFORMATION VideoMemoryInfo;
|
|
DWORD ReturnedDataLength;
|
|
|
|
// Get the linear memory address range.
|
|
|
|
VideoMemory.RequestedVirtualAddress = NULL;
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_MAP_VIDEO_MEMORY,
|
|
&VideoMemory, // input buffer
|
|
sizeof(VIDEO_MEMORY),
|
|
&VideoMemoryInfo, // output buffer
|
|
sizeof(VideoMemoryInfo),
|
|
&ReturnedDataLength))
|
|
{
|
|
DISPDBG((0, "bEnableHardware - Error mapping buffer address"));
|
|
goto ReturnFalse;
|
|
}
|
|
|
|
DISPDBG((1, "FrameBufferBase: %lx", VideoMemoryInfo.FrameBufferBase));
|
|
|
|
// Record the Frame Buffer Linear Address.
|
|
|
|
ppdev->pjScreen = (BYTE*) VideoMemoryInfo.FrameBufferBase;
|
|
ppdev->cjScreen = VideoMemoryInfo.FrameBufferLength;
|
|
|
|
ppdev->cxMemory = ppdev->lDelta / ppdev->cjPel;
|
|
ppdev->cyMemory = VideoMemoryInfo.VideoRamLength / ppdev->lDelta;
|
|
|
|
// Now we can set the mode, unlock the accelerator, and reset the
|
|
// clipping:
|
|
|
|
if (!bAssertModeHardware(ppdev, TRUE))
|
|
goto ReturnFalse;
|
|
|
|
ppdev->pfnFillSolid = vFillSolid;
|
|
ppdev->pfnFillPat = vFillPat;
|
|
ppdev->pfnXfer1bpp = vXfer1bpp;
|
|
ppdev->pfnXfer4bpp = vXfer4bpp;
|
|
ppdev->pfnXferNative = vXferNative;
|
|
ppdev->pfnCopyBlt = vCopyBlt;
|
|
|
|
if (ppdev->flStat & STAT_UNACCELERATED)
|
|
{
|
|
// On the P9000, colour depths higher than 8bpp aren't fully
|
|
// accelerated. We do support screen-to-screen blts at any
|
|
// colour depth, and solid fills at 16bpp:
|
|
|
|
ppdev->pfnFillSolid = vFillSolidP9000HighColor;
|
|
}
|
|
|
|
DISPDBG((5, "Passed bEnableHardware"));
|
|
|
|
return(TRUE);
|
|
|
|
ReturnFalse:
|
|
|
|
DISPDBG((0, "Failed bEnableHardware"));
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* VOID vDisableHardware
|
|
*
|
|
* Undoes anything done in bEnableHardware.
|
|
*
|
|
* Note: In an error case, we may call this before bEnableHardware is
|
|
* completely done.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
VOID vDisableHardware(
|
|
PDEV* ppdev)
|
|
{
|
|
DWORD ReturnedDataLength;
|
|
VIDEO_MEMORY VideoMemory;
|
|
VIDEO_MEMORY CoprocMemory;
|
|
|
|
//
|
|
// When we get the coprocessor base from the miniport, we scale it
|
|
// on P9100 cards. Scale it back before freeing the address
|
|
// range.
|
|
//
|
|
|
|
if (!P9000(ppdev))
|
|
{
|
|
ppdev->pjBase -= P9100_BASE_CORRECTION;
|
|
}
|
|
|
|
VideoMemory.RequestedVirtualAddress = (PVOID) ppdev->pjScreen;
|
|
CoprocMemory.RequestedVirtualAddress = (PVOID) ppdev->pjBase;
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_UNMAP_VIDEO_MEMORY,
|
|
&VideoMemory,
|
|
sizeof(VIDEO_MEMORY),
|
|
NULL,
|
|
0,
|
|
&ReturnedDataLength))
|
|
{
|
|
DISPDBG((0, "vDisableHardware failed IOCTL_VIDEO_UNMAP_VIDEO"));
|
|
}
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES,
|
|
&CoprocMemory,
|
|
sizeof(VIDEO_MEMORY),
|
|
NULL,
|
|
0,
|
|
&ReturnedDataLength))
|
|
{
|
|
DISPDBG((0, "vDisableHardware failed IOCTL_VIDEO_FREE_PUBLIC_ACCESS_RANGES"));
|
|
}
|
|
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* BOOL bInitializeModeFields
|
|
*
|
|
* Initializes a bunch of fields in the pdev, devcaps (aka gdiinfo), and
|
|
* devinfo based on the requested mode.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
BOOL bInitializeModeFields(
|
|
PDEV* ppdev,
|
|
GDIINFO* pgdi,
|
|
DEVINFO* pdi,
|
|
DEVMODEW* pdm)
|
|
{
|
|
ULONG cModes;
|
|
PVIDEO_MODE_INFORMATION pVideoBuffer;
|
|
PVIDEO_MODE_INFORMATION pVideoModeSelected;
|
|
PVIDEO_MODE_INFORMATION pVideoTemp;
|
|
BOOL bSelectDefault;
|
|
VIDEO_MODE_INFORMATION VideoModeInformation;
|
|
ULONG cbModeSize;
|
|
VIDEO_PUBLIC_ACCESS_RANGES RangeInfo;
|
|
DWORD ReturnedDataLength;
|
|
|
|
// Call the miniport to get mode information
|
|
|
|
cModes = getAvailableModes(ppdev->hDriver, &pVideoBuffer, &cbModeSize);
|
|
if (cModes == 0)
|
|
goto ReturnFalse;
|
|
|
|
// Now see if the requested mode has a match in that table.
|
|
|
|
pVideoModeSelected = NULL;
|
|
pVideoTemp = pVideoBuffer;
|
|
|
|
if ((pdm->dmPelsWidth == 0) &&
|
|
(pdm->dmPelsHeight == 0) &&
|
|
(pdm->dmBitsPerPel == 0) &&
|
|
(pdm->dmDisplayFrequency == 0))
|
|
{
|
|
DISPDBG((1, "Default mode requested"));
|
|
bSelectDefault = TRUE;
|
|
}
|
|
else
|
|
{
|
|
DISPDBG((1, "Requested mode..."));
|
|
DISPDBG((1, " Screen width -- %li", pdm->dmPelsWidth));
|
|
DISPDBG((1, " Screen height -- %li", pdm->dmPelsHeight));
|
|
DISPDBG((1, " Bits per pel -- %li", pdm->dmBitsPerPel));
|
|
DISPDBG((1, " Frequency -- %li", pdm->dmDisplayFrequency));
|
|
|
|
bSelectDefault = FALSE;
|
|
}
|
|
|
|
while (cModes--)
|
|
{
|
|
if (pVideoTemp->Length != 0)
|
|
{
|
|
DISPDBG((2, " Checking against miniport mode:"));
|
|
DISPDBG((2, " Screen width -- %li", pVideoTemp->VisScreenWidth));
|
|
DISPDBG((2, " Screen height -- %li", pVideoTemp->VisScreenHeight));
|
|
DISPDBG((2, " Bits per pel -- %li", pVideoTemp->BitsPerPlane *
|
|
pVideoTemp->NumberOfPlanes));
|
|
DISPDBG((2, " Frequency -- %li", pVideoTemp->Frequency));
|
|
|
|
if (bSelectDefault ||
|
|
((pVideoTemp->VisScreenWidth == pdm->dmPelsWidth) &&
|
|
(pVideoTemp->VisScreenHeight == pdm->dmPelsHeight) &&
|
|
(pVideoTemp->BitsPerPlane *
|
|
pVideoTemp->NumberOfPlanes == pdm->dmBitsPerPel) &&
|
|
(pVideoTemp->Frequency == pdm->dmDisplayFrequency)))
|
|
{
|
|
pVideoModeSelected = pVideoTemp;
|
|
DISPDBG((1, "...Found a mode match!"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
pVideoTemp = (PVIDEO_MODE_INFORMATION)
|
|
(((PUCHAR)pVideoTemp) + cbModeSize);
|
|
|
|
}
|
|
|
|
// If no mode has been found, return an error
|
|
|
|
if (pVideoModeSelected == NULL)
|
|
{
|
|
DISPDBG((1, "...Couldn't find a mode match!"));
|
|
EngFreeMem(pVideoBuffer);
|
|
goto ReturnFalse;
|
|
}
|
|
|
|
// We have chosen the one we want. Save it in a stack buffer and
|
|
// get rid of allocated memory before we forget to free it.
|
|
|
|
VideoModeInformation = *pVideoModeSelected;
|
|
EngFreeMem(pVideoBuffer);
|
|
|
|
#if DEBUG_HEAP
|
|
VideoModeInformation.VisScreenWidth = 640;
|
|
VideoModeInformation.VisScreenHeight = 480;
|
|
#endif
|
|
|
|
// Get the chip type, and at the same time pick up the coprocessor
|
|
// address base:
|
|
|
|
if (EngDeviceIoControl(ppdev->hDriver,
|
|
IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES,
|
|
NULL,
|
|
0,
|
|
&RangeInfo,
|
|
sizeof(VIDEO_PUBLIC_ACCESS_RANGES),
|
|
&ReturnedDataLength))
|
|
{
|
|
RIP("bEnableHardware - Failed IOCTL_VIDEO_QUERY_PUBLIC_ACCESS_RANGES");
|
|
goto ReturnFalse;
|
|
}
|
|
|
|
if (VideoModeInformation.DriverSpecificAttributeFlags &
|
|
CAPS_WEITEK_CHIPTYPE_IS_P9000)
|
|
{
|
|
ppdev->flStat |= STAT_P9000;
|
|
}
|
|
|
|
ppdev->pjBase
|
|
= (BYTE*) (RangeInfo.VirtualAddress);
|
|
|
|
if (!P9000(ppdev))
|
|
{
|
|
ppdev->pjBase += P9100_BASE_CORRECTION;
|
|
}
|
|
|
|
// Set up screen information from the mini-port:
|
|
|
|
ppdev->ulMode = VideoModeInformation.ModeIndex;
|
|
ppdev->cxScreen = VideoModeInformation.VisScreenWidth;
|
|
ppdev->cyScreen = VideoModeInformation.VisScreenHeight;
|
|
ppdev->lDelta = VideoModeInformation.ScreenStride;
|
|
ppdev->cBitsPerPel = VideoModeInformation.BitsPerPlane;
|
|
|
|
DISPDBG((1, "ScreenStride: %lx", VideoModeInformation.ScreenStride));
|
|
|
|
ppdev->flHooks = (HOOK_BITBLT |
|
|
HOOK_TEXTOUT |
|
|
HOOK_FILLPATH |
|
|
HOOK_COPYBITS |
|
|
HOOK_STROKEPATH |
|
|
HOOK_PAINT |
|
|
HOOK_STRETCHBLT |
|
|
HOOK_SYNCHRONIZE);
|
|
|
|
// Fill in the GDIINFO data structure with the default 8bpp values:
|
|
|
|
*pgdi = ggdiDefault;
|
|
|
|
// Now overwrite the defaults with the relevant information returned
|
|
// from the kernel driver:
|
|
|
|
pgdi->ulHorzSize = VideoModeInformation.XMillimeter;
|
|
pgdi->ulVertSize = VideoModeInformation.YMillimeter;
|
|
|
|
pgdi->ulHorzRes = VideoModeInformation.VisScreenWidth;
|
|
pgdi->ulVertRes = VideoModeInformation.VisScreenHeight;
|
|
pgdi->ulPanningHorzRes = VideoModeInformation.VisScreenWidth;
|
|
pgdi->ulPanningVertRes = VideoModeInformation.VisScreenHeight;
|
|
|
|
pgdi->cBitsPixel = VideoModeInformation.BitsPerPlane;
|
|
pgdi->cPlanes = VideoModeInformation.NumberOfPlanes;
|
|
pgdi->ulVRefresh = VideoModeInformation.Frequency;
|
|
|
|
pgdi->ulDACRed = VideoModeInformation.NumberRedBits;
|
|
pgdi->ulDACGreen = VideoModeInformation.NumberGreenBits;
|
|
pgdi->ulDACBlue = VideoModeInformation.NumberBlueBits;
|
|
|
|
pgdi->ulLogPixelsX = pdm->dmLogPixels;
|
|
pgdi->ulLogPixelsY = pdm->dmLogPixels;
|
|
|
|
// Fill in the devinfo structure with the default 8bpp values:
|
|
|
|
*pdi = gdevinfoDefault;
|
|
|
|
//
|
|
// Disable 64 bit access if the hardware does not support it.
|
|
//
|
|
|
|
if (VideoModeInformation.AttributeFlags & VIDEO_MODE_NO_64_BIT_ACCESS)
|
|
{
|
|
DISPDBG((0, "Disable 64 bit access on this device !\n"));
|
|
pdi->flGraphicsCaps |= GCAPS_NO64BITMEMACCESS;
|
|
}
|
|
|
|
if (P9000(ppdev))
|
|
{
|
|
// We only hook a couple of functions when higher than 8bpp on
|
|
// the P9000:
|
|
|
|
if (VideoModeInformation.BitsPerPlane != 8)
|
|
{
|
|
ppdev->flStat |= STAT_UNACCELERATED;
|
|
|
|
if ((VideoModeInformation.BitsPerPlane == 15) ||
|
|
(VideoModeInformation.BitsPerPlane == 16))
|
|
{
|
|
// We can do only accelerated solid fills and screen-to-screen
|
|
// blts at 16bpp on the P9000:
|
|
|
|
ppdev->flHooks = (HOOK_SYNCHRONIZE |
|
|
HOOK_COPYBITS |
|
|
HOOK_STRETCHBLT |
|
|
HOOK_BITBLT);
|
|
}
|
|
else
|
|
{
|
|
// We can do only accelerated screen-to-screen blts at
|
|
// 24bpp or 32bpp on the P9000:
|
|
|
|
ppdev->flHooks = (HOOK_SYNCHRONIZE |
|
|
HOOK_STRETCHBLT |
|
|
HOOK_COPYBITS);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (VideoModeInformation.BitsPerPlane == 8)
|
|
{
|
|
ppdev->cjPel = 1;
|
|
ppdev->iBitmapFormat = BMF_8BPP;
|
|
ppdev->ulWhite = 0xff;
|
|
ppdev->flStat |= STAT_8BPP;
|
|
|
|
// Assuming palette is orthogonal - all colors are same size.
|
|
|
|
ppdev->cPaletteShift = 8 - pgdi->ulDACRed;
|
|
|
|
DISPDBG((3, "palette shift = %d", ppdev->cPaletteShift));
|
|
}
|
|
else if ((VideoModeInformation.BitsPerPlane == 16) ||
|
|
(VideoModeInformation.BitsPerPlane == 15))
|
|
{
|
|
ppdev->cjPel = 2;
|
|
ppdev->iBitmapFormat = BMF_16BPP;
|
|
ppdev->ulWhite = 0xffff;
|
|
ppdev->flRed = VideoModeInformation.RedMask;
|
|
ppdev->flGreen = VideoModeInformation.GreenMask;
|
|
ppdev->flBlue = VideoModeInformation.BlueMask;
|
|
ppdev->flStat |= STAT_16BPP;
|
|
|
|
pgdi->ulNumColors = (ULONG) -1;
|
|
pgdi->ulNumPalReg = 0;
|
|
pgdi->ulHTOutputFormat = HT_FORMAT_16BPP;
|
|
|
|
pdi->iDitherFormat = BMF_16BPP;
|
|
pdi->flGraphicsCaps &= ~(GCAPS_PALMANAGED | GCAPS_COLOR_DITHER);
|
|
}
|
|
else if (VideoModeInformation.BitsPerPlane == 24)
|
|
{
|
|
ppdev->cjPel = 3;
|
|
ppdev->iBitmapFormat = BMF_24BPP;
|
|
ppdev->ulWhite = 0xffffff;
|
|
ppdev->flRed = VideoModeInformation.RedMask;
|
|
ppdev->flGreen = VideoModeInformation.GreenMask;
|
|
ppdev->flBlue = VideoModeInformation.BlueMask;
|
|
ppdev->flStat |= STAT_24BPP;
|
|
|
|
pgdi->ulNumColors = (ULONG) -1;
|
|
pgdi->ulNumPalReg = 0;
|
|
pgdi->ulHTOutputFormat = HT_FORMAT_24BPP;
|
|
|
|
pdi->iDitherFormat = BMF_24BPP;
|
|
pdi->flGraphicsCaps &= ~(GCAPS_PALMANAGED | GCAPS_COLOR_DITHER);
|
|
}
|
|
else
|
|
{
|
|
ASSERTDD(VideoModeInformation.BitsPerPlane == 32,
|
|
"This driver supports only 8, 16, 24 and 32bpp");
|
|
|
|
ppdev->cjPel = 4;
|
|
ppdev->iBitmapFormat = BMF_32BPP;
|
|
ppdev->ulWhite = 0xffffffff;
|
|
ppdev->flRed = VideoModeInformation.RedMask;
|
|
ppdev->flGreen = VideoModeInformation.GreenMask;
|
|
ppdev->flBlue = VideoModeInformation.BlueMask;
|
|
|
|
pgdi->ulNumColors = (ULONG) -1;
|
|
pgdi->ulNumPalReg = 0;
|
|
pgdi->ulHTOutputFormat = HT_FORMAT_32BPP;
|
|
|
|
pdi->iDitherFormat = BMF_32BPP;
|
|
pdi->flGraphicsCaps &= ~(GCAPS_PALMANAGED | GCAPS_COLOR_DITHER);
|
|
}
|
|
|
|
DISPDBG((5, "Passed bInitializeModeFields"));
|
|
|
|
return(TRUE);
|
|
|
|
ReturnFalse:
|
|
|
|
DISPDBG((0, "Failed bInitializeModeFields"));
|
|
|
|
return(FALSE);
|
|
}
|
|
|
|
/******************************Public*Routine******************************\
|
|
* DWORD getAvailableModes
|
|
*
|
|
* Calls the miniport to get the list of modes supported by the kernel driver,
|
|
* and returns the list of modes supported by the diplay driver among those
|
|
*
|
|
* returns the number of entries in the videomode buffer.
|
|
* 0 means no modes are supported by the miniport or that an error occured.
|
|
*
|
|
* NOTE: the buffer must be freed up by the caller.
|
|
*
|
|
\**************************************************************************/
|
|
|
|
DWORD getAvailableModes(
|
|
HANDLE hDriver,
|
|
PVIDEO_MODE_INFORMATION* modeInformation,
|
|
DWORD* cbModeSize)
|
|
{
|
|
ULONG ulTemp;
|
|
VIDEO_NUM_MODES modes;
|
|
PVIDEO_MODE_INFORMATION pVideoTemp;
|
|
|
|
//
|
|
// Get the number of modes supported by the mini-port
|
|
//
|
|
|
|
if (EngDeviceIoControl(hDriver,
|
|
IOCTL_VIDEO_QUERY_NUM_AVAIL_MODES,
|
|
NULL,
|
|
0,
|
|
&modes,
|
|
sizeof(VIDEO_NUM_MODES),
|
|
&ulTemp))
|
|
{
|
|
DISPDBG((0, "getAvailableModes - Failed VIDEO_QUERY_NUM_AVAIL_MODES"));
|
|
return(0);
|
|
}
|
|
|
|
*cbModeSize = modes.ModeInformationLength;
|
|
|
|
//
|
|
// Allocate the buffer for the mini-port to write the modes in.
|
|
//
|
|
|
|
*modeInformation = (PVIDEO_MODE_INFORMATION)
|
|
EngAllocMem(FL_ZERO_MEMORY,
|
|
modes.NumModes *
|
|
modes.ModeInformationLength, ALLOC_TAG);
|
|
|
|
if (*modeInformation == (PVIDEO_MODE_INFORMATION) NULL)
|
|
{
|
|
DISPDBG((0, "getAvailableModes - Failed EngAllocMem"));
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Ask the mini-port to fill in the available modes.
|
|
//
|
|
|
|
if (EngDeviceIoControl(hDriver,
|
|
IOCTL_VIDEO_QUERY_AVAIL_MODES,
|
|
NULL,
|
|
0,
|
|
*modeInformation,
|
|
modes.NumModes * modes.ModeInformationLength,
|
|
&ulTemp))
|
|
{
|
|
|
|
DISPDBG((0, "getAvailableModes - Failed VIDEO_QUERY_AVAIL_MODES"));
|
|
|
|
EngFreeMem(*modeInformation);
|
|
*modeInformation = (PVIDEO_MODE_INFORMATION) NULL;
|
|
|
|
return(0);
|
|
}
|
|
|
|
//
|
|
// Now see which of these modes are supported by the display driver.
|
|
// As an internal mechanism, set the length to 0 for the modes we
|
|
// DO NOT support.
|
|
//
|
|
|
|
ulTemp = modes.NumModes;
|
|
pVideoTemp = *modeInformation;
|
|
|
|
//
|
|
// Mode is rejected if it is not one plane, or not graphics, or is not
|
|
// one of 8, 15, 16 or 32 bits per pel.
|
|
//
|
|
|
|
while (ulTemp--)
|
|
{
|
|
if ((pVideoTemp->NumberOfPlanes != 1 ) ||
|
|
!(pVideoTemp->AttributeFlags & VIDEO_MODE_GRAPHICS) ||
|
|
((pVideoTemp->BitsPerPlane != 8) &&
|
|
(pVideoTemp->BitsPerPlane != 15) &&
|
|
(pVideoTemp->BitsPerPlane != 16) &&
|
|
(pVideoTemp->BitsPerPlane != 24) &&
|
|
(pVideoTemp->BitsPerPlane != 32)))
|
|
{
|
|
DISPDBG((2, "Rejecting miniport mode:"));
|
|
DISPDBG((2, " Screen width -- %li", pVideoTemp->VisScreenWidth));
|
|
DISPDBG((2, " Screen height -- %li", pVideoTemp->VisScreenHeight));
|
|
DISPDBG((2, " Bits per pel -- %li", pVideoTemp->BitsPerPlane *
|
|
pVideoTemp->NumberOfPlanes));
|
|
DISPDBG((2, " Frequency -- %li", pVideoTemp->Frequency));
|
|
|
|
pVideoTemp->Length = 0;
|
|
}
|
|
|
|
pVideoTemp = (PVIDEO_MODE_INFORMATION)
|
|
(((PUCHAR)pVideoTemp) + modes.ModeInformationLength);
|
|
}
|
|
|
|
return(modes.NumModes);
|
|
}
|