mirror of
https://github.com/reactos/reactos.git
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164 lines
3.7 KiB
C
164 lines
3.7 KiB
C
/*
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* ReactOS Generic Framebuffer display driver
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*
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* Copyright (C) 2004 Filip Navara
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "framebuf.h"
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static DRVFN DrvFunctionTable[] =
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{
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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_DrvGetModes, (PFN)DrvGetModes},
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{INDEX_DrvSetPalette, (PFN)DrvSetPalette},
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{INDEX_DrvSetPointerShape, (PFN)DrvSetPointerShape},
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{INDEX_DrvMovePointer, (PFN)DrvMovePointer}
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};
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/*
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* DrvEnableDriver
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*
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* Initial driver entry point exported by the driver DLL. It fills in a
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* DRVENABLEDATA structure with the driver's DDI version number and the
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* calling addresses of all DDI functions supported by the driver.
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*
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* Status
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* @implemented
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*/
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BOOL APIENTRY
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DrvEnableDriver(
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ULONG iEngineVersion,
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ULONG cj,
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PDRVENABLEDATA pded)
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{
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if (cj >= sizeof(DRVENABLEDATA))
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{
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pded->c = sizeof(DrvFunctionTable) / sizeof(DRVFN);
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pded->pdrvfn = DrvFunctionTable;
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pded->iDriverVersion = DDI_DRIVER_VERSION_NT5;
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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/*
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* DrvEnablePDEV
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*
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* Returns a description of the physical device's characteristics to GDI.
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*
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* Status
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* @implemented
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*/
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DHPDEV APIENTRY
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DrvEnablePDEV(
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IN DEVMODEW *pdm,
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IN LPWSTR pwszLogAddress,
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IN ULONG cPat,
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OUT HSURF *phsurfPatterns,
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IN ULONG cjCaps,
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OUT ULONG *pdevcaps,
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IN ULONG cjDevInfo,
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OUT DEVINFO *pdi,
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IN HDEV hdev,
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IN LPWSTR pwszDeviceName,
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IN HANDLE hDriver)
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{
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PPDEV ppdev;
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GDIINFO GdiInfo;
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DEVINFO DevInfo;
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ppdev = EngAllocMem(FL_ZERO_MEMORY, sizeof(PDEV), ALLOC_TAG);
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if (ppdev == NULL)
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{
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return NULL;
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}
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ppdev->hDriver = hDriver;
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if (!IntInitScreenInfo(ppdev, pdm, &GdiInfo, &DevInfo))
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{
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EngFreeMem(ppdev);
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return NULL;
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}
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if (!IntInitDefaultPalette(ppdev, &DevInfo))
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{
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EngFreeMem(ppdev);
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return NULL;
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}
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memcpy(pdi, &DevInfo, min(sizeof(DEVINFO), cjDevInfo));
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memcpy(pdevcaps, &GdiInfo, min(sizeof(GDIINFO), cjCaps));
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return (DHPDEV)ppdev;
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}
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/*
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* DrvCompletePDEV
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*
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* Stores the GDI handle (hdev) of the physical device in dhpdev. The driver
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* should retain this handle for use when calling GDI services.
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*
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* Status
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* @implemented
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*/
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VOID APIENTRY
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DrvCompletePDEV(
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IN DHPDEV dhpdev,
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IN HDEV hdev)
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{
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((PPDEV)dhpdev)->hDevEng = hdev;
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}
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/*
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* DrvDisablePDEV
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*
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* Release the resources allocated in DrvEnablePDEV. If a surface has been
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* enabled DrvDisableSurface will have already been called.
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*
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* Status
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* @implemented
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*/
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VOID APIENTRY
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DrvDisablePDEV(
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IN DHPDEV dhpdev)
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{
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if (((PPDEV)dhpdev)->DefaultPalette)
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{
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EngDeletePalette(((PPDEV)dhpdev)->DefaultPalette);
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}
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if (((PPDEV)dhpdev)->PaletteEntries != NULL)
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{
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EngFreeMem(((PPDEV)dhpdev)->PaletteEntries);
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}
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EngFreeMem(dhpdev);
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}
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