4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* $Id$ */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VBoxVgaUgaDraw.c
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (C) 2009-2010 Oracle Corporation
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * available from http://www.virtualbox.org. This file is free software;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * you can redistribute it and/or modify it under the terms of the GNU
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * General Public License (GPL) as published by the Free Software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * The contents of this file may alternatively be used under the terms
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * of the Common Development and Distribution License Version 1.0
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * VirtualBox OSE distribution, in which case the provisions of the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CDDL are applicable instead of those of the GPL.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * You may elect to license modified versions of this file under the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * terms and conditions of either the GPL or the CDDL or both.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This code is based on:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This file produces the graphics abstraction of UGA Draw. It is called by
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBoxVga.c file which deals with the EFI 1.1 driver model.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This file just does graphics.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2006, Intel Corporation
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync All rights reserved. This program and the accompanying materials
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync are licensed and made available under the terms and conditions of the BSD License
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync which accompanies this distribution. The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync http://opensource.org/licenses/bsd-license.php
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync*/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include "VBoxVga.h"
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// UGA Draw Protocol Member Functions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVBoxVgaUgaDrawGetMode (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_UGA_DRAW_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT32 *HorizontalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT32 *VerticalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT32 *ColorDepth,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OUT UINT32 *RefreshRate
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBOX_VGA_PRIVATE_DATA *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = VBOX_VGA_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Private->HardwareNeedsStarting) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_STARTED;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((HorizontalResolution == NULL) ||
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (VerticalResolution == NULL) ||
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (ColorDepth == NULL) ||
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (RefreshRate == NULL)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *HorizontalResolution = Private->ModeData[Private->CurrentMode].HorizontalResolution;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *VerticalResolution = Private->ModeData[Private->CurrentMode].VerticalResolution;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *ColorDepth = Private->ModeData[Private->CurrentMode].ColorDepth;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *RefreshRate = Private->ModeData[Private->CurrentMode].RefreshRate;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVBoxVgaUgaDrawSetMode (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_UGA_DRAW_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 HorizontalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 VerticalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 ColorDepth,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINT32 RefreshRate
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBOX_VGA_PRIVATE_DATA *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DEBUG((DEBUG_INFO, "%a:%d VIDEO: %dx%d %d bpp\n", __FILE__, __LINE__, HorizontalResolution, VerticalResolution, ColorDepth));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = VBOX_VGA_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (Index = 0; Index < Private->MaxMode; Index++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (HorizontalResolution != Private->ModeData[Index].HorizontalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync continue;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (VerticalResolution != Private->ModeData[Index].VerticalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync continue;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (ColorDepth != Private->ModeData[Index].ColorDepth) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync continue;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#if 0
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (RefreshRate != Private->ModeData[Index].RefreshRate) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync continue;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Private->LineBuffer) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gBS->FreePool (Private->LineBuffer);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer = AllocatePool (HorizontalResolution * 4);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Private->LineBuffer == NULL) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_OUT_OF_RESOURCES;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync InitializeGraphicsMode (Private, &VBoxVgaVideoModes[Private->ModeData[Index].ModeNumber]);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Private->TmpBuf)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync FreePool(Private->TmpBuf);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->TmpBuf = AllocatePool(Private->ModeData[Index].HorizontalResolution * Private->ModeData[Index].VerticalResolution * sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CurrentMode = Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->HardwareNeedsStarting = FALSE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* update current mode */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CurrentMode = Index;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_NOT_FOUND;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFIAPI
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVBoxVgaUgaDrawBlt (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_UGA_DRAW_PROTOCOL *This,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN EFI_UGA_BLT_OPERATION BltOperation,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN SourceX,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN SourceY,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN DestinationX,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN DestinationY,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN Width,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN Height,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync IN UINTN Delta
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBOX_VGA_PRIVATE_DATA *Private;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_TPL OriginalTPL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN DstY;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN SrcY;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_UGA_PIXEL *Blt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN X;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN ScreenWidth;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN Offset;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN SourceOffset;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UINTN ScreenHeight;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private = VBOX_VGA_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Width == 0 || Height == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // If Delta is zero, then the entire BltBuffer is being used, so Delta
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the number of bytes in each row can be computed.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (Delta == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Delta = Width * sizeof (EFI_UGA_PIXEL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Delta /= sizeof (EFI_UGA_PIXEL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // We need to fill the Virtual Screen buffer with the blt data.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // The virtual screen is upside down, as the first row is the bootom row of
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // the image.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Make sure the SourceX, SourceY, DestinationX, DestinationY, Width, and Height parameters
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // are valid for the operation and the current screen geometry.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (BltOperation == EfiUgaVideoToBltBuffer) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Video to BltBuffer: Source is Video, destination is BltBuffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (SourceY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (SourceX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // BltBuffer to Video: Source is BltBuffer, destination is Video
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DestinationY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DestinationX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_INVALID_PARAMETER;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // We have to raise to TPL Notify, so we make an atomic write the frame buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // We would not want a timer based event (Cursor, ...) to come in while we are
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // doing this operation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync switch (BltOperation) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case EfiUgaVideoToBltBuffer:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Video to BltBuffer: Source is Video, destination is BltBuffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset = (SrcY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + SourceX;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo->Mem.Read (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiPciIoWidthUint32,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset * 4,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Width,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (X = 0; X < Width; X++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Blt = (EFI_UGA_PIXEL *) ((UINT32 *) BltBuffer + (DstY * Delta) + (DestinationX + X));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *(UINT32 *)Blt = Private->LineBuffer[X];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case EfiUgaVideoToVideo:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Perform hardware acceleration for Video to Video operations
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ScreenWidth = Private->ModeData[Private->CurrentMode].HorizontalResolution;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ScreenHeight = Private->ModeData[Private->CurrentMode].VerticalResolution;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync SourceOffset = (SourceY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (SourceX);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset = (DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (DestinationX);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBoxVgaUgaDrawBlt(This, (EFI_UGA_PIXEL *)Private->TmpBuf, EfiUgaVideoToBltBuffer, SourceX, SourceY, 0, 0, ScreenWidth - SourceX, ScreenHeight - SourceY, 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBoxVgaUgaDrawBlt(This, (EFI_UGA_PIXEL *)Private->TmpBuf, EfiUgaBltBufferToVideo, 0, 0, DestinationX, DestinationY, ScreenWidth - SourceX, ScreenHeight - SourceY, 0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case EfiUgaVideoFill:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Blt = BltBuffer;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (DestinationX == 0 && Width == Private->ModeData[Private->CurrentMode].HorizontalResolution) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset = DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo->Mem.Write (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiPciIoWidthFillUint32,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset * 4,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (Width * Height) ,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Blt
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo->Mem.Write (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiPciIoWidthFillUint32,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset * 4,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Width,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Blt
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case EfiUgaBltBufferToVideo:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (X = 0; X < Width; X++) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Blt = (EFI_UGA_PIXEL *) ((UINT32 *) BltBuffer + (SrcY * Delta) + (SourceX + X));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer[X] = *(UINT32 *)Blt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo->Mem.Write (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->PciIo,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EfiPciIoWidthUint32,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync 0,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Offset * 4,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Width,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync default:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync gBS->RestoreTPL (OriginalTPL);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync// Construction and Destruction functions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync//
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncEFI_STATUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncVBoxVgaUgaDrawConstructor (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync VBOX_VGA_PRIVATE_DATA *Private
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync )
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync EFI_UGA_DRAW_PROTOCOL *UgaDraw;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Fill in Private->UgaDraw protocol
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw = &Private->UgaDraw;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw->GetMode = VBoxVgaUgaDrawGetMode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw->SetMode = VBoxVgaUgaDrawSetMode;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw->Blt = VBoxVgaUgaDrawBlt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Initialize the private data
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->CurrentMode = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->HardwareNeedsStarting = TRUE;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->LineBuffer = NULL;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync // Initialize the hardware
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync //
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw->SetMode (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync UgaDraw,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].HorizontalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].VerticalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].ColorDepth,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].RefreshRate
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync DrawLogo (
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].HorizontalResolution,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Private->ModeData[Private->CurrentMode].VerticalResolution
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync );
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return EFI_SUCCESS;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync