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reactos/drivers/video/displays/framebufacc/screen.c
Amine Khaldi c424146e2c Create a branch for cmake bringup. 
svn path=/branches/cmake-bringup/; revision=48236
2010-07-24 18:52:44 +00:00

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/*
* ReactOS Generic Framebuffer display driver
*
* Copyright (C) 2004 Filip Navara
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "framebufacc.h"
/*
* GetAvailableModes
*
* Calls the miniport to get the list of modes supported by the kernel driver,
* and returns the list of modes supported by the display driver.
*/
DWORD
GetAvailableModes(
HANDLE hDriver,
PVIDEO_MODE_INFORMATION *ModeInfo,
DWORD *ModeInfoSize)
{
ULONG ulTemp;
VIDEO_NUM_MODES Modes;
PVIDEO_MODE_INFORMATION ModeInfoPtr;
/*
* 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))
{
return 0;
}
*ModeInfoSize = Modes.ModeInformationLength;
/*
* Allocate the buffer for the miniport to write the modes in.
*/
*ModeInfo = (PVIDEO_MODE_INFORMATION)EngAllocMem(0, Modes.NumModes *
Modes.ModeInformationLength, ALLOC_TAG);
if (*ModeInfo == NULL)
{
return 0;
}
/*
* Ask the miniport to fill in the available modes.
*/
if (EngDeviceIoControl(hDriver, IOCTL_VIDEO_QUERY_AVAIL_MODES, NULL, 0,
*ModeInfo, Modes.NumModes * Modes.ModeInformationLength,
&ulTemp))
{
EngFreeMem(*ModeInfo);
*ModeInfo = (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;
ModeInfoPtr = *ModeInfo;
/*
* Mode is rejected if it is not one plane, or not graphics, or is not
* one of 8, 16 or 32 bits per pel.
*/
while (ulTemp--)
{
/* FIXME add banked graphic mode */
if ((ModeInfoPtr->NumberOfPlanes != 1) ||
!(ModeInfoPtr->AttributeFlags & VIDEO_MODE_GRAPHICS) ||
((ModeInfoPtr->BitsPerPlane != 8) &&
(ModeInfoPtr->BitsPerPlane != 16) &&
(ModeInfoPtr->BitsPerPlane != 24) &&
(ModeInfoPtr->BitsPerPlane != 32)))
{
ModeInfoPtr->Length = 0;
}
ModeInfoPtr = (PVIDEO_MODE_INFORMATION)
(((PUCHAR)ModeInfoPtr) + Modes.ModeInformationLength);
}
return Modes.NumModes;
}
BOOL
IntInitScreenInfo(
PPDEV ppdev,
LPDEVMODEW pDevMode,
PGDIINFO pGdiInfo,
PDEVINFO pDevInfo)
{
ULONG ModeCount;
ULONG ModeInfoSize;
PVIDEO_MODE_INFORMATION ModeInfo, ModeInfoPtr, SelectedMode = NULL;
VIDEO_COLOR_CAPABILITIES ColorCapabilities;
/* hack
LOGFONTW SystemFont = {16, 7, 0, 0, 700, 0, 0, 0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, VARIABLE_PITCH | FF_DONTCARE, L"System"};
LOGFONTW AnsiVariableFont = {12, 9, 0, 0, 400, 0, 0, 0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_STROKE_PRECIS, PROOF_QUALITY, VARIABLE_PITCH | FF_DONTCARE, L"MS Sans Serif"};
LOGFONTW AnsiFixedFont = {12, 9, 0, 0, 400, 0, 0, 0, ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_STROKE_PRECIS, PROOF_QUALITY, FIXED_PITCH | FF_DONTCARE, L"Courier"};
*/
ULONG Temp;
/*
* Call miniport to get information about video modes.
*/
ModeCount = GetAvailableModes(ppdev->hDriver, &ModeInfo, &ModeInfoSize);
if (ModeCount == 0)
{
return FALSE;
}
/*
* Select the video mode depending on the info passed in pDevMode.
*/
if (pDevMode->dmPelsWidth == 0 && pDevMode->dmPelsHeight == 0 &&
pDevMode->dmBitsPerPel == 0 && pDevMode->dmDisplayFrequency == 0)
{
ModeInfoPtr = ModeInfo;
while (ModeCount-- > 0)
{
if (ModeInfoPtr->Length == 0)
{
ModeInfoPtr = (PVIDEO_MODE_INFORMATION)
(((PUCHAR)ModeInfoPtr) + ModeInfoSize);
continue;
}
SelectedMode = ModeInfoPtr;
break;
}
}
else
{
ModeInfoPtr = ModeInfo;
while (ModeCount-- > 0)
{
if (ModeInfoPtr->Length > 0 &&
pDevMode->dmPelsWidth == ModeInfoPtr->VisScreenWidth &&
pDevMode->dmPelsHeight == ModeInfoPtr->VisScreenHeight &&
pDevMode->dmBitsPerPel == (ModeInfoPtr->BitsPerPlane *
ModeInfoPtr->NumberOfPlanes) &&
pDevMode->dmDisplayFrequency == ModeInfoPtr->Frequency)
{
SelectedMode = ModeInfoPtr;
break;
}
ModeInfoPtr = (PVIDEO_MODE_INFORMATION)
(((PUCHAR)ModeInfoPtr) + ModeInfoSize);
}
}
if (SelectedMode == NULL)
{
EngFreeMem(ModeInfo);
return FALSE;
}
/*
* Fill in the GDIINFO data structure with the information returned from
* the kernel driver.
*/
ppdev->ModeIndex = SelectedMode->ModeIndex;
ppdev->ScreenWidth = SelectedMode->VisScreenWidth;
ppdev->ScreenHeight = SelectedMode->VisScreenHeight;
ppdev->ScreenDelta = SelectedMode->ScreenStride;
ppdev->BitsPerPixel = SelectedMode->BitsPerPlane * SelectedMode->NumberOfPlanes;
ppdev->MemWidth = SelectedMode->VideoMemoryBitmapWidth;
ppdev->MemHeight = SelectedMode->VideoMemoryBitmapHeight;
ppdev->RedMask = SelectedMode->RedMask;
ppdev->GreenMask = SelectedMode->GreenMask;
ppdev->BlueMask = SelectedMode->BlueMask;
pGdiInfo->ulVersion = GDI_DRIVER_VERSION;
pGdiInfo->ulTechnology = DT_RASDISPLAY;
pGdiInfo->ulHorzSize = SelectedMode->XMillimeter;
pGdiInfo->ulVertSize = SelectedMode->YMillimeter;
pGdiInfo->ulHorzRes = SelectedMode->VisScreenWidth;
pGdiInfo->ulVertRes = SelectedMode->VisScreenHeight;
pGdiInfo->ulPanningHorzRes = SelectedMode->VisScreenWidth;
pGdiInfo->ulPanningVertRes = SelectedMode->VisScreenHeight;
pGdiInfo->cBitsPixel = SelectedMode->BitsPerPlane;
pGdiInfo->cPlanes = SelectedMode->NumberOfPlanes;
pGdiInfo->ulVRefresh = SelectedMode->Frequency;
pGdiInfo->ulBltAlignment = 1;
pGdiInfo->ulLogPixelsX = pDevMode->dmLogPixels;
pGdiInfo->ulLogPixelsY = pDevMode->dmLogPixels;
pGdiInfo->flTextCaps = TC_RA_ABLE;
pGdiInfo->flRaster = 0;
pGdiInfo->ulDACRed = SelectedMode->NumberRedBits;
pGdiInfo->ulDACGreen = SelectedMode->NumberGreenBits;
pGdiInfo->ulDACBlue = SelectedMode->NumberBlueBits;
pGdiInfo->ulAspectX = 0x24;
pGdiInfo->ulAspectY = 0x24;
pGdiInfo->ulAspectXY = 0x33;
pGdiInfo->xStyleStep = 1;
pGdiInfo->yStyleStep = 1;
pGdiInfo->denStyleStep = 3;
pGdiInfo->ptlPhysOffset.x = 0;
pGdiInfo->ptlPhysOffset.y = 0;
pGdiInfo->szlPhysSize.cx = 0;
pGdiInfo->szlPhysSize.cy = 0;
/*
* Try to get the color info from the miniport.
*/
if (!EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_QUERY_COLOR_CAPABILITIES,
NULL, 0, &ColorCapabilities,
sizeof(VIDEO_COLOR_CAPABILITIES), &Temp))
{
pGdiInfo->ciDevice.Red.x = ColorCapabilities.RedChromaticity_x;
pGdiInfo->ciDevice.Red.y = ColorCapabilities.RedChromaticity_y;
pGdiInfo->ciDevice.Green.x = ColorCapabilities.GreenChromaticity_x;
pGdiInfo->ciDevice.Green.y = ColorCapabilities.GreenChromaticity_y;
pGdiInfo->ciDevice.Blue.x = ColorCapabilities.BlueChromaticity_x;
pGdiInfo->ciDevice.Blue.y = ColorCapabilities.BlueChromaticity_y;
pGdiInfo->ciDevice.AlignmentWhite.x = ColorCapabilities.WhiteChromaticity_x;
pGdiInfo->ciDevice.AlignmentWhite.y = ColorCapabilities.WhiteChromaticity_y;
pGdiInfo->ciDevice.AlignmentWhite.Y = ColorCapabilities.WhiteChromaticity_Y;
if (ColorCapabilities.AttributeFlags & VIDEO_DEVICE_COLOR)
{
pGdiInfo->ciDevice.RedGamma = ColorCapabilities.RedGamma;
pGdiInfo->ciDevice.GreenGamma = ColorCapabilities.GreenGamma;
pGdiInfo->ciDevice.BlueGamma = ColorCapabilities.BlueGamma;
}
else
{
pGdiInfo->ciDevice.RedGamma = ColorCapabilities.WhiteGamma;
pGdiInfo->ciDevice.GreenGamma = ColorCapabilities.WhiteGamma;
pGdiInfo->ciDevice.BlueGamma = ColorCapabilities.WhiteGamma;
}
}
else
{
pGdiInfo->ciDevice.Red.x = 6700;
pGdiInfo->ciDevice.Red.y = 3300;
pGdiInfo->ciDevice.Green.x = 2100;
pGdiInfo->ciDevice.Green.y = 7100;
pGdiInfo->ciDevice.Blue.x = 1400;
pGdiInfo->ciDevice.Blue.y = 800;
pGdiInfo->ciDevice.AlignmentWhite.x = 3127;
pGdiInfo->ciDevice.AlignmentWhite.y = 3290;
pGdiInfo->ciDevice.AlignmentWhite.Y = 0;
pGdiInfo->ciDevice.RedGamma = 20000;
pGdiInfo->ciDevice.GreenGamma = 20000;
pGdiInfo->ciDevice.BlueGamma = 20000;
}
pGdiInfo->ciDevice.Red.Y = 0;
pGdiInfo->ciDevice.Green.Y = 0;
pGdiInfo->ciDevice.Blue.Y = 0;
pGdiInfo->ciDevice.Cyan.x = 0;
pGdiInfo->ciDevice.Cyan.y = 0;
pGdiInfo->ciDevice.Cyan.Y = 0;
pGdiInfo->ciDevice.Magenta.x = 0;
pGdiInfo->ciDevice.Magenta.y = 0;
pGdiInfo->ciDevice.Magenta.Y = 0;
pGdiInfo->ciDevice.Yellow.x = 0;
pGdiInfo->ciDevice.Yellow.y = 0;
pGdiInfo->ciDevice.Yellow.Y = 0;
pGdiInfo->ciDevice.MagentaInCyanDye = 0;
pGdiInfo->ciDevice.YellowInCyanDye = 0;
pGdiInfo->ciDevice.CyanInMagentaDye = 0;
pGdiInfo->ciDevice.YellowInMagentaDye = 0;
pGdiInfo->ciDevice.CyanInYellowDye = 0;
pGdiInfo->ciDevice.MagentaInYellowDye = 0;
pGdiInfo->ulDevicePelsDPI = 0;
pGdiInfo->ulPrimaryOrder = PRIMARY_ORDER_CBA;
pGdiInfo->ulHTPatternSize = HT_PATSIZE_4x4_M;
pGdiInfo->flHTFlags = HT_FLAG_ADDITIVE_PRIMS;
pDevInfo->flGraphicsCaps = 0;
/* hack
pDevInfo->lfDefaultFont = SystemFont;
pDevInfo->lfAnsiVarFont = AnsiVariableFont;
pDevInfo->lfAnsiFixFont = AnsiFixedFont;
*/
pDevInfo->cFonts = 0;
pDevInfo->cxDither = 0;
pDevInfo->cyDither = 0;
pDevInfo->hpalDefault = 0;
pDevInfo->flGraphicsCaps2 = 0;
if (ppdev->BitsPerPixel == 8)
{
pGdiInfo->ulNumColors = 20;
pGdiInfo->ulNumPalReg = 1 << ppdev->BitsPerPixel;
pGdiInfo->ulHTOutputFormat = HT_FORMAT_8BPP;
pDevInfo->flGraphicsCaps |= GCAPS_PALMANAGED;
pDevInfo->iDitherFormat = BMF_8BPP;
/* Assuming palette is orthogonal - all colors are same size. */
ppdev->PaletteShift = 8 - pGdiInfo->ulDACRed;
}
else
{
pGdiInfo->ulNumColors = (ULONG)(-1);
pGdiInfo->ulNumPalReg = 0;
switch (ppdev->BitsPerPixel)
{
case 16:
pGdiInfo->ulHTOutputFormat = HT_FORMAT_16BPP;
pDevInfo->iDitherFormat = BMF_16BPP;
break;
case 24:
pGdiInfo->ulHTOutputFormat = HT_FORMAT_24BPP;
pDevInfo->iDitherFormat = BMF_24BPP;
break;
default:
pGdiInfo->ulHTOutputFormat = HT_FORMAT_32BPP;
pDevInfo->iDitherFormat = BMF_32BPP;
}
}
EngFreeMem(ModeInfo);
return TRUE;
}
/*
* DrvGetModes
*
* Returns the list of available modes for the device.
*
* Status
* @implemented
*/
ULONG APIENTRY
DrvGetModes(
IN HANDLE hDriver,
IN ULONG cjSize,
OUT DEVMODEW *pdm)
{
ULONG ModeCount;
ULONG ModeInfoSize;
PVIDEO_MODE_INFORMATION ModeInfo, ModeInfoPtr;
ULONG OutputSize;
ModeCount = GetAvailableModes(hDriver, &ModeInfo, &ModeInfoSize);
if (ModeCount == 0)
{
return 0;
}
if (pdm == NULL)
{
EngFreeMem(ModeInfo);
return ModeCount * sizeof(DEVMODEW);
}
/*
* Copy the information about supported modes into the output buffer.
*/
OutputSize = 0;
ModeInfoPtr = ModeInfo;
while (ModeCount-- > 0)
{
if (ModeInfoPtr->Length == 0)
{
ModeInfoPtr = (PVIDEO_MODE_INFORMATION)(((ULONG_PTR)ModeInfoPtr) + ModeInfoSize);
continue;
}
memset(pdm, 0, sizeof(DEVMODEW));
memcpy(pdm->dmDeviceName, DEVICE_NAME, sizeof(DEVICE_NAME));
pdm->dmSpecVersion =
pdm->dmDriverVersion = DM_SPECVERSION;
pdm->dmSize = sizeof(DEVMODEW);
pdm->dmDriverExtra = 0;
pdm->dmBitsPerPel = ModeInfoPtr->NumberOfPlanes * ModeInfoPtr->BitsPerPlane;
pdm->dmPelsWidth = ModeInfoPtr->VisScreenWidth;
pdm->dmPelsHeight = ModeInfoPtr->VisScreenHeight;
pdm->dmDisplayFrequency = ModeInfoPtr->Frequency;
pdm->dmDisplayFlags = 0;
pdm->dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT |
DM_DISPLAYFREQUENCY | DM_DISPLAYFLAGS;
ModeInfoPtr = (PVIDEO_MODE_INFORMATION)(((ULONG_PTR)ModeInfoPtr) + ModeInfoSize);
pdm = (LPDEVMODEW)(((ULONG_PTR)pdm) + sizeof(DEVMODEW));
OutputSize += sizeof(DEVMODEW);
}
EngFreeMem(ModeInfo);
return OutputSize;
}
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