+++ /dev/null
-/*
- * ReactOS Generic Framebuffer acclations display driver
- *
- * Copyright (C) 2004 Filip Navara
- * Copyright (C) 2007 Magnus Olsen
- *
- * 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"
-
-BOOL
-InitSurface(PPDEV ppdev,
- BOOL bForcemapping)
-{
- VIDEO_MEMORY VideoMemory;
- VIDEO_MEMORY_INFORMATION VideoMemoryInfo;
- ULONG returnedDataLength;
- ULONG RemappingNeeded = 0;
- ULONG PointerMaxWidth = 0;
- ULONG PointerMaxHeight = 0;
-
- /*
- * Set video mode of our adapter.
- */
-
- if (EngDeviceIoControl(ppdev->hDriver,
- IOCTL_VIDEO_SET_CURRENT_MODE,
- &(ppdev->ModeIndex),
- sizeof(ULONG),
- &RemappingNeeded,
- sizeof(ULONG),
- &returnedDataLength))
- {
- return FALSE;
- }
-
- /* Check if mapping is need it */
- if ((!bForcemapping) &&
- (!RemappingNeeded))
- {
- return TRUE;
- }
-
-
- /*
- * Map the framebuffer into our memory.
- */
-
- VideoMemory.RequestedVirtualAddress = NULL;
- if (EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_MAP_VIDEO_MEMORY,
- &VideoMemory, sizeof(VIDEO_MEMORY),
- &VideoMemoryInfo, sizeof(VIDEO_MEMORY_INFORMATION),
- &returnedDataLength))
- {
- return FALSE;
- }
-
- /*
- * Save the real video memory
- */
- ppdev->pRealVideoMem = VideoMemoryInfo.FrameBufferBase;
- ppdev->VideoMemSize = VideoMemoryInfo.VideoRamLength;
-
-
- /*
- * Video memory cached
- *
- * We maby should only ask max 8MB as cached ?, think of the video ram length is 256MB
- */
-
- ppdev->pVideoMemCache = NULL;
-#ifdef EXPERIMENTAL_ACC_SUPPORT
-
- ppdev->pVideoMemCache = EngAllocMem(0, (ULONG)VideoMemoryInfo.VideoRamLength, ALLOC_TAG);
- if (ppdev->pVideoMemCache == NULL)
- {
- /* cached off for no avail system memory */
- ppdev->ScreenPtr = VideoMemoryInfo.FrameBufferBase;
- }
- else
-
-#endif
- {
- /* cached on, system memory is avail */
- ppdev->ScreenPtr = ppdev->pRealVideoMem;
- }
-
- /* hw mouse pointer support */
- PointerMaxHeight = ppdev->PointerCapabilities.MaxHeight;
- PointerMaxWidth = ppdev->PointerCapabilities.MaxWidth * sizeof(ULONG);
- if (ppdev->PointerCapabilities.Flags & VIDEO_MODE_COLOR_POINTER)
- {
- PointerMaxWidth = (ppdev->PointerCapabilities.MaxWidth + 7) / 8;
- }
-
- ppdev->PointerAttributesSize = sizeof(VIDEO_POINTER_ATTRIBUTES) + ((sizeof(UCHAR) * PointerMaxWidth * PointerMaxHeight) << 1);
-
- ppdev->pPointerAttributes = EngAllocMem(0, ppdev->PointerAttributesSize, ALLOC_TAG);
-
- if (ppdev->pPointerAttributes != NULL)
- {
- ppdev->pPointerAttributes->Flags = ppdev->PointerCapabilities.Flags;
- ppdev->pPointerAttributes->WidthInBytes = PointerMaxWidth;
- ppdev->pPointerAttributes->Width = ppdev->PointerCapabilities.MaxWidth;
- ppdev->pPointerAttributes->Height = PointerMaxHeight;
- ppdev->pPointerAttributes->Column = 0;
- ppdev->pPointerAttributes->Row = 0;
- ppdev->pPointerAttributes->Enable = 0;
- }
- else
- {
- /* no hw mouse was avail */
- ppdev->PointerAttributesSize = 0;
- }
-
- return TRUE;
-}
-
-/*
- * DrvEnableSurface
- *
- * Create engine bitmap around frame buffer and set the video mode requested
- * when PDEV was initialized.
- *
- * Status
- * @implemented
- */
-
-HSURF APIENTRY
-DrvEnableSurface(
- IN DHPDEV dhpdev)
-{
- PPDEV ppdev = (PPDEV)dhpdev;
- HSURF hSurface;
- ULONG BitmapType;
- SIZEL ScreenSize;
-
-
- /* Setup surface and force the mapping */
- if (!InitSurface(ppdev, TRUE))
- {
- return FALSE;
- }
-
- /* Rest the desktop vitual position */
- ppdev->ScreenOffsetXY.x = 0;
- ppdev->ScreenOffsetXY.y = 0;
-
-
- switch (ppdev->BitsPerPixel)
- {
- case 8:
- IntSetPalette(dhpdev, ppdev->PaletteEntries, 0, 256);
- BitmapType = BMF_8BPP;
- break;
-
- case 16:
- BitmapType = BMF_16BPP;
- break;
-
- case 24:
- BitmapType = BMF_24BPP;
- break;
-
- case 32:
- BitmapType = BMF_32BPP;
- break;
-
- default:
- return FALSE;
- }
-
- ppdev->iDitherFormat = BitmapType;
-
- ScreenSize.cx = ppdev->ScreenWidth;
- ScreenSize.cy = ppdev->ScreenHeight;
-
- hSurface = (HSURF)EngCreateBitmap(ScreenSize, ppdev->ScreenDelta, BitmapType,
- (ppdev->ScreenDelta > 0) ? BMF_TOPDOWN : 0,
- ppdev->ScreenPtr);
- if (hSurface == NULL)
- {
- return FALSE;
- }
-
- /* Which api we hooking to */
- ppdev->dwHooks = HOOK_BITBLT | HOOK_COPYBITS | HOOK_FILLPATH | HOOK_TEXTOUT | HOOK_STROKEPATH | HOOK_LINETO ;
-
- /*
- * Associate the surface with our device.
- */
-
-
- if (!EngAssociateSurface(hSurface, ppdev->hDevEng, ppdev->dwHooks))
- {
- EngDeleteSurface(hSurface);
- return FALSE;
- }
-
- ppdev->hSurfEng = hSurface;
-
- return hSurface;
-}
-
-/*
- * DrvDisableSurface
- *
- * Used by GDI to notify a driver that the surface created by DrvEnableSurface
- * for the current device is no longer needed.
- *
- * Status
- * @implemented
- */
-
-VOID APIENTRY
-DrvDisableSurface(
- IN DHPDEV dhpdev)
-{
- DWORD ulTemp;
- VIDEO_MEMORY VideoMemory;
- PPDEV ppdev = (PPDEV)dhpdev;
-
- EngDeleteSurface(ppdev->hSurfEng);
- ppdev->hSurfEng = NULL;
-
-
- /* Free the video memory cache */
- if (ppdev->pVideoMemCache)
- {
- EngFreeMem(ppdev->pVideoMemCache);
- }
-
- /*
- * Unmap the framebuffer.
- */
-
- VideoMemory.RequestedVirtualAddress = ppdev->pRealVideoMem;
- EngDeviceIoControl(((PPDEV)dhpdev)->hDriver, IOCTL_VIDEO_UNMAP_VIDEO_MEMORY,
- &VideoMemory, sizeof(VIDEO_MEMORY), NULL, 0, &ulTemp);
-
- ppdev->pRealVideoMem = NULL;
- ppdev->pVideoMemCache = NULL;
-
-}
-
-/*
- * DrvAssertMode
- *
- * Sets the mode of the specified physical device to either the mode specified
- * when the PDEV was initialized or to the default mode of the hardware.
- *
- * Status
- * @implemented
- */
-
-BOOL APIENTRY
-DrvAssertMode(
- IN DHPDEV dhpdev,
- IN BOOL bEnable)
-{
- PPDEV ppdev = (PPDEV)dhpdev;
- ULONG ulTemp;
- BOOLEAN Result = TRUE;
-
- if (bEnable)
- {
- PVOID pRealVideoMem = ppdev->pRealVideoMem;
-
- /* Setup surface and remapping if it need it */
- if (!InitSurface(ppdev, FALSE))
- {
- Result = FALSE;
- }
- else
- {
- /* Check if we got same surface or not */
- if (pRealVideoMem != ppdev->pRealVideoMem)
- {
- PVOID pVideoMem= NULL;
-
- if (ppdev->pVideoMemCache == NULL)
- {
- pVideoMem = ppdev->pRealVideoMem;
- }
- else
- {
- pVideoMem = ppdev->pVideoMemCache;
- }
-
- Result = !EngModifySurface(ppdev->hSurfEng, ppdev->hDevEng,
- ppdev->dwHooks | HOOK_SYNCHRONIZE,
- 0, (DHSURF)ppdev, pVideoMem,
- ppdev->ScreenDelta, NULL);
- }
-
- /* if the pRealVideoMem == ppdev->pRealVideoMem are
- * the Result is then TRUE
- */
- }
-
- }
- else
- {
- /*
- * Call the miniport driver to reset the device to a known state.
- */
-
- Result = !EngDeviceIoControl(ppdev->hDriver, IOCTL_VIDEO_RESET_DEVICE,
- NULL, 0, NULL, 0, &ulTemp);
- }
-
- return Result;
-}
projects / reactos.git / blobdiff