mirror of https://github.com/acidanthera/audk.git
629 lines
24 KiB
C
629 lines
24 KiB
C
/** @file
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Support for Graphics output spliter.
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Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "ConSplitter.h"
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CHAR16 mCrLfString[3] = { CHAR_CARRIAGE_RETURN, CHAR_LINEFEED, CHAR_NULL };
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/**
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Returns information for an available graphics mode that the graphics device
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and the set of active video output devices supports.
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@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
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@param ModeNumber The mode number to return information on.
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@param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.
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@param Info A pointer to callee allocated buffer that returns information about ModeNumber.
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
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@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.
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@retval EFI_INVALID_PARAMETER One of the input args was NULL.
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@retval EFI_OUT_OF_RESOURCES No resource available.
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**/
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EFI_STATUS
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EFIAPI
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ConSplitterGraphicsOutputQueryMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN UINT32 ModeNumber,
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OUT UINTN *SizeOfInfo,
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OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
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)
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{
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TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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EFI_STATUS Status;
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UINTN Index;
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if (This == NULL || Info == NULL || SizeOfInfo == NULL || ModeNumber >= This->Mode->MaxMode) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// retrieve private data
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//
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Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
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GraphicsOutput = NULL;
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if (Private->CurrentNumberOfGraphicsOutput == 1) {
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//
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// Find the only one GraphicsOutput.
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//
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for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {
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GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;
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if (GraphicsOutput != NULL) {
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break;
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}
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}
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}
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if (GraphicsOutput != NULL) {
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//
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// If only one physical GOP device exist, return its information.
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//
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Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) ModeNumber, SizeOfInfo, Info);
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return Status;
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} else {
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//
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// If 2 more phyiscal GOP device exist or GOP protocol does not exist,
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// return GOP information (PixelFormat is PixelBltOnly) created in ConSplitterAddGraphicsOutputMode ().
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//
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*Info = AllocatePool (sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION));
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if (*Info == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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*SizeOfInfo = sizeof (EFI_GRAPHICS_OUTPUT_MODE_INFORMATION);
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CopyMem (*Info, &Private->GraphicsOutputModeBuffer[ModeNumber], *SizeOfInfo);
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}
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return EFI_SUCCESS;
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}
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/**
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Set the video device into the specified mode and clears the visible portions of
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the output display to black.
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@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
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@param ModeNumber Abstraction that defines the current video mode.
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@retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.
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@retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
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@retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
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@retval EFI_OUT_OF_RESOURCES No resource available.
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**/
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EFI_STATUS
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EFIAPI
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ConSplitterGraphicsOutputSetMode (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
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IN UINT32 ModeNumber
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)
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{
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EFI_STATUS Status;
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TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
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UINTN Index;
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EFI_STATUS ReturnStatus;
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Mode;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *PhysicalGraphicsOutput;
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UINTN NumberIndex;
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UINTN SizeOfInfo;
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
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EFI_UGA_DRAW_PROTOCOL *UgaDraw;
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if (ModeNumber >= This->Mode->MaxMode) {
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return EFI_UNSUPPORTED;
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}
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Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
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Mode = &Private->GraphicsOutputModeBuffer[ModeNumber];
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ReturnStatus = EFI_SUCCESS;
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GraphicsOutput = NULL;
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PhysicalGraphicsOutput = NULL;
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//
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// return the worst status met
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//
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for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {
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GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;
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if (GraphicsOutput != NULL) {
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PhysicalGraphicsOutput = GraphicsOutput;
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//
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// Find corresponding ModeNumber of this GraphicsOutput instance
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//
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for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {
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Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if ((Info->HorizontalResolution == Mode->HorizontalResolution) && (Info->VerticalResolution == Mode->VerticalResolution)) {
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FreePool (Info);
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break;
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}
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FreePool (Info);
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}
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Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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}
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} else if (FeaturePcdGet (PcdUgaConsumeSupport)) {
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UgaDraw = Private->TextOutList[Index].UgaDraw;
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if (UgaDraw != NULL) {
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Status = UgaDraw->SetMode (
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UgaDraw,
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Mode->HorizontalResolution,
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Mode->VerticalResolution,
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32,
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60
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);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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}
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}
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}
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}
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This->Mode->Mode = ModeNumber;
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if ((Private->CurrentNumberOfGraphicsOutput == 1) && (PhysicalGraphicsOutput != NULL)) {
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//
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// If only one physical GOP device exist, copy physical information to consplitter.
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//
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CopyMem (This->Mode->Info, PhysicalGraphicsOutput->Mode->Info, PhysicalGraphicsOutput->Mode->SizeOfInfo);
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This->Mode->SizeOfInfo = PhysicalGraphicsOutput->Mode->SizeOfInfo;
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This->Mode->FrameBufferBase = PhysicalGraphicsOutput->Mode->FrameBufferBase;
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This->Mode->FrameBufferSize = PhysicalGraphicsOutput->Mode->FrameBufferSize;
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} else {
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//
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// If 2 more phyiscal GOP device exist or GOP protocol does not exist,
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// return GOP information (PixelFormat is PixelBltOnly) created in ConSplitterAddGraphicsOutputMode ().
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//
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CopyMem (This->Mode->Info, &Private->GraphicsOutputModeBuffer[ModeNumber], This->Mode->SizeOfInfo);
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}
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return ReturnStatus;
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}
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/**
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The following table defines actions for BltOperations.
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EfiBltVideoFill - Write data from the BltBuffer pixel (SourceX, SourceY)
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directly to every pixel of the video display rectangle
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(DestinationX, DestinationY)
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(DestinationX + Width, DestinationY + Height).
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Only one pixel will be used from the BltBuffer. Delta is NOT used.
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EfiBltVideoToBltBuffer - Read data from the video display rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in
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the BltBuffer rectangle (DestinationX, DestinationY )
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(DestinationX + Width, DestinationY + Height). If DestinationX or
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DestinationY is not zero then Delta must be set to the length in bytes
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of a row in the BltBuffer.
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EfiBltBufferToVideo - Write data from the BltBuffer rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the
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video display rectangle (DestinationX, DestinationY)
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(DestinationX + Width, DestinationY + Height). If SourceX or SourceY is
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not zero then Delta must be set to the length in bytes of a row in the
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BltBuffer.
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EfiBltVideoToVideo - Copy from the video display rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) .
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to the video display rectangle (DestinationX, DestinationY)
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(DestinationX + Width, DestinationY + Height).
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The BltBuffer and Delta are not used in this mode.
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@param This Protocol instance pointer.
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@param BltBuffer Buffer containing data to blit into video buffer.
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This buffer has a size of
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Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
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@param BltOperation Operation to perform on BlitBuffer and video
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memory
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@param SourceX X coordinate of source for the BltBuffer.
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@param SourceY Y coordinate of source for the BltBuffer.
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@param DestinationX X coordinate of destination for the BltBuffer.
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@param DestinationY Y coordinate of destination for the BltBuffer.
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@param Width Width of rectangle in BltBuffer in pixels.
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@param Height Hight of rectangle in BltBuffer in pixels.
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@param Delta OPTIONAL.
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@retval EFI_SUCCESS The Blt operation completed.
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@retval EFI_INVALID_PARAMETER BltOperation is not valid.
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@retval EFI_DEVICE_ERROR A hardware error occured writting to the video
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buffer.
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**/
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EFI_STATUS
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EFIAPI
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ConSplitterGraphicsOutputBlt (
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IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
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IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
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IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
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IN UINTN SourceX,
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IN UINTN SourceY,
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IN UINTN DestinationX,
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IN UINTN DestinationY,
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IN UINTN Width,
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IN UINTN Height,
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IN UINTN Delta OPTIONAL
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)
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{
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EFI_STATUS Status;
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EFI_STATUS ReturnStatus;
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TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
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UINTN Index;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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EFI_UGA_DRAW_PROTOCOL *UgaDraw;
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if (This == NULL || ((UINTN) BltOperation) >= EfiGraphicsOutputBltOperationMax) {
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return EFI_INVALID_PARAMETER;
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}
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Private = GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
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ReturnStatus = EFI_SUCCESS;
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//
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// return the worst status met
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//
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for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {
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GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;
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if (GraphicsOutput != NULL) {
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Status = GraphicsOutput->Blt (
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GraphicsOutput,
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BltBuffer,
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BltOperation,
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SourceX,
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SourceY,
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DestinationX,
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DestinationY,
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Width,
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Height,
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Delta
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);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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} else if (BltOperation == EfiBltVideoToBltBuffer) {
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//
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// Only need to read the data into buffer one time
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//
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return EFI_SUCCESS;
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}
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}
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UgaDraw = Private->TextOutList[Index].UgaDraw;
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if (UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
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Status = UgaDraw->Blt (
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UgaDraw,
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(EFI_UGA_PIXEL *) BltBuffer,
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(EFI_UGA_BLT_OPERATION) BltOperation,
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SourceX,
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SourceY,
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DestinationX,
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DestinationY,
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Width,
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Height,
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Delta
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);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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} else if (BltOperation == EfiBltVideoToBltBuffer) {
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//
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// Only need to read the data into buffer one time
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//
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return EFI_SUCCESS;
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}
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}
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}
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return ReturnStatus;
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}
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/**
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Return the current video mode information.
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@param This The EFI_UGA_DRAW_PROTOCOL instance.
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@param HorizontalResolution The size of video screen in pixels in the X dimension.
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@param VerticalResolution The size of video screen in pixels in the Y dimension.
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@param ColorDepth Number of bits per pixel, currently defined to be 32.
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@param RefreshRate The refresh rate of the monitor in Hertz.
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
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@retval EFI_INVALID_PARAMETER One of the input args was NULL.
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**/
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EFI_STATUS
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EFIAPI
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ConSplitterUgaDrawGetMode (
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IN EFI_UGA_DRAW_PROTOCOL *This,
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OUT UINT32 *HorizontalResolution,
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OUT UINT32 *VerticalResolution,
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OUT UINT32 *ColorDepth,
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OUT UINT32 *RefreshRate
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)
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{
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TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
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if ((HorizontalResolution == NULL) ||
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(VerticalResolution == NULL) ||
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(RefreshRate == NULL) ||
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(ColorDepth == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// retrieve private data
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//
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Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
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*HorizontalResolution = Private->UgaHorizontalResolution;
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*VerticalResolution = Private->UgaVerticalResolution;
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*ColorDepth = Private->UgaColorDepth;
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*RefreshRate = Private->UgaRefreshRate;
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return EFI_SUCCESS;
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}
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/**
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Set the current video mode information.
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@param This The EFI_UGA_DRAW_PROTOCOL instance.
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@param HorizontalResolution The size of video screen in pixels in the X dimension.
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@param VerticalResolution The size of video screen in pixels in the Y dimension.
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@param ColorDepth Number of bits per pixel, currently defined to be 32.
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@param RefreshRate The refresh rate of the monitor in Hertz.
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@retval EFI_SUCCESS Mode information returned.
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@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
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@retval EFI_OUT_OF_RESOURCES Out of resources.
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**/
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EFI_STATUS
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EFIAPI
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ConSplitterUgaDrawSetMode (
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IN EFI_UGA_DRAW_PROTOCOL *This,
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IN UINT32 HorizontalResolution,
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IN UINT32 VerticalResolution,
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IN UINT32 ColorDepth,
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IN UINT32 RefreshRate
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)
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{
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EFI_STATUS Status;
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TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
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UINTN Index;
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EFI_STATUS ReturnStatus;
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EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
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UINTN NumberIndex;
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UINTN SizeOfInfo;
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EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
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EFI_UGA_DRAW_PROTOCOL *UgaDraw;
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Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
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ReturnStatus = EFI_SUCCESS;
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//
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// Update the Mode data
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//
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Private->UgaHorizontalResolution = HorizontalResolution;
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Private->UgaVerticalResolution = VerticalResolution;
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Private->UgaColorDepth = ColorDepth;
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Private->UgaRefreshRate = RefreshRate;
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//
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// return the worst status met
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//
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for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {
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GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;
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if (GraphicsOutput != NULL) {
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//
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// Find corresponding ModeNumber of this GraphicsOutput instance
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//
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for (NumberIndex = 0; NumberIndex < GraphicsOutput->Mode->MaxMode; NumberIndex ++) {
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Status = GraphicsOutput->QueryMode (GraphicsOutput, (UINT32) NumberIndex, &SizeOfInfo, &Info);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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if ((Info->HorizontalResolution == HorizontalResolution) && (Info->VerticalResolution == VerticalResolution)) {
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FreePool (Info);
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break;
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}
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FreePool (Info);
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}
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Status = GraphicsOutput->SetMode (GraphicsOutput, (UINT32) NumberIndex);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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}
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} else if (FeaturePcdGet (PcdUgaConsumeSupport)){
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UgaDraw = Private->TextOutList[Index].UgaDraw;
|
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if (UgaDraw != NULL) {
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Status = UgaDraw->SetMode (
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UgaDraw,
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HorizontalResolution,
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VerticalResolution,
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ColorDepth,
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RefreshRate
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);
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if (EFI_ERROR (Status)) {
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ReturnStatus = Status;
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}
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}
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}
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}
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return ReturnStatus;
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}
|
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|
|
|
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/**
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Blt a rectangle of pixels on the graphics screen.
|
|
|
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The following table defines actions for BltOperations.
|
|
|
|
EfiUgaVideoFill:
|
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Write data from the BltBuffer pixel (SourceX, SourceY)
|
|
directly to every pixel of the video display rectangle
|
|
(DestinationX, DestinationY)
|
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(DestinationX + Width, DestinationY + Height).
|
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Only one pixel will be used from the BltBuffer. Delta is NOT used.
|
|
EfiUgaVideoToBltBuffer:
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Read data from the video display rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in
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the BltBuffer rectangle (DestinationX, DestinationY )
|
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(DestinationX + Width, DestinationY + Height). If DestinationX or
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DestinationY is not zero then Delta must be set to the length in bytes
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of a row in the BltBuffer.
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EfiUgaBltBufferToVideo:
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Write data from the BltBuffer rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the
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video display rectangle (DestinationX, DestinationY)
|
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(DestinationX + Width, DestinationY + Height). If SourceX or SourceY is
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not zero then Delta must be set to the length in bytes of a row in the
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BltBuffer.
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EfiUgaVideoToVideo:
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Copy from the video display rectangle
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(SourceX, SourceY) (SourceX + Width, SourceY + Height) .
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to the video display rectangle (DestinationX, DestinationY)
|
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(DestinationX + Width, DestinationY + Height).
|
|
The BltBuffer and Delta are not used in this mode.
|
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|
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@param This Protocol instance pointer.
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@param BltBuffer Buffer containing data to blit into video buffer. This
|
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buffer has a size of Width*Height*sizeof(EFI_UGA_PIXEL)
|
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@param BltOperation Operation to perform on BlitBuffer and video memory
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|
@param SourceX X coordinate of source for the BltBuffer.
|
|
@param SourceY Y coordinate of source for the BltBuffer.
|
|
@param DestinationX X coordinate of destination for the BltBuffer.
|
|
@param DestinationY Y coordinate of destination for the BltBuffer.
|
|
@param Width Width of rectangle in BltBuffer in pixels.
|
|
@param Height Hight of rectangle in BltBuffer in pixels.
|
|
@param Delta OPTIONAL
|
|
|
|
@retval EFI_SUCCESS The Blt operation completed.
|
|
@retval EFI_INVALID_PARAMETER BltOperation is not valid.
|
|
@retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
ConSplitterUgaDrawBlt (
|
|
IN EFI_UGA_DRAW_PROTOCOL *This,
|
|
IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
|
|
IN EFI_UGA_BLT_OPERATION BltOperation,
|
|
IN UINTN SourceX,
|
|
IN UINTN SourceY,
|
|
IN UINTN DestinationX,
|
|
IN UINTN DestinationY,
|
|
IN UINTN Width,
|
|
IN UINTN Height,
|
|
IN UINTN Delta OPTIONAL
|
|
)
|
|
{
|
|
EFI_STATUS Status;
|
|
TEXT_OUT_SPLITTER_PRIVATE_DATA *Private;
|
|
UINTN Index;
|
|
EFI_STATUS ReturnStatus;
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL *GraphicsOutput;
|
|
|
|
Private = UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS (This);
|
|
|
|
ReturnStatus = EFI_SUCCESS;
|
|
//
|
|
// return the worst status met
|
|
//
|
|
for (Index = 0; Index < Private->CurrentNumberOfConsoles; Index++) {
|
|
GraphicsOutput = Private->TextOutList[Index].GraphicsOutput;
|
|
if (GraphicsOutput != NULL) {
|
|
Status = GraphicsOutput->Blt (
|
|
GraphicsOutput,
|
|
(EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) BltBuffer,
|
|
(EFI_GRAPHICS_OUTPUT_BLT_OPERATION) BltOperation,
|
|
SourceX,
|
|
SourceY,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height,
|
|
Delta
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
ReturnStatus = Status;
|
|
} else if (BltOperation == EfiUgaVideoToBltBuffer) {
|
|
//
|
|
// Only need to read the data into buffer one time
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
}
|
|
|
|
if (Private->TextOutList[Index].UgaDraw != NULL && FeaturePcdGet (PcdUgaConsumeSupport)) {
|
|
Status = Private->TextOutList[Index].UgaDraw->Blt (
|
|
Private->TextOutList[Index].UgaDraw,
|
|
BltBuffer,
|
|
BltOperation,
|
|
SourceX,
|
|
SourceY,
|
|
DestinationX,
|
|
DestinationY,
|
|
Width,
|
|
Height,
|
|
Delta
|
|
);
|
|
if (EFI_ERROR (Status)) {
|
|
ReturnStatus = Status;
|
|
} else if (BltOperation == EfiUgaVideoToBltBuffer) {
|
|
//
|
|
// Only need to read the data into buffer one time
|
|
//
|
|
return EFI_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
|
|
return ReturnStatus;
|
|
}
|
|
|
|
/**
|
|
Sets the output device(s) to a specified mode.
|
|
|
|
@param Private Text Out Splitter pointer.
|
|
@param ModeNumber The mode number to set.
|
|
|
|
**/
|
|
VOID
|
|
TextOutSetMode (
|
|
IN TEXT_OUT_SPLITTER_PRIVATE_DATA *Private,
|
|
IN UINTN ModeNumber
|
|
)
|
|
{
|
|
//
|
|
// No need to do extra check here as whether (Column, Row) is valid has
|
|
// been checked in ConSplitterTextOutSetCursorPosition. And (0, 0) should
|
|
// always be supported.
|
|
//
|
|
Private->TextOutMode.Mode = (INT32) ModeNumber;
|
|
Private->TextOutMode.CursorColumn = 0;
|
|
Private->TextOutMode.CursorRow = 0;
|
|
Private->TextOutMode.CursorVisible = TRUE;
|
|
|
|
return;
|
|
}
|