mirror of https://github.com/acidanthera/audk.git
428 lines
15 KiB
C
428 lines
15 KiB
C
/** @file
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This file produces the graphics abstration of UGA Draw. It is called by
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CirrusLogic5430.c file which deals with the EFI 1.1 driver model.
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This file just does graphics.
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Copyright (c) 2006, Intel Corporation
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All rights reserved. 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 "CirrusLogic5430.h"
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//
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// UGA Draw Protocol Member Functions
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//
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EFI_STATUS
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EFIAPI
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CirrusLogic5430UgaDrawGetMode (
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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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CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
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Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
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if (Private->HardwareNeedsStarting) {
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return EFI_NOT_STARTED;
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}
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if ((HorizontalResolution == NULL) ||
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(VerticalResolution == NULL) ||
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(ColorDepth == NULL) ||
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(RefreshRate == NULL)) {
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return EFI_INVALID_PARAMETER;
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}
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*HorizontalResolution = Private->ModeData[Private->CurrentMode].HorizontalResolution;
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*VerticalResolution = Private->ModeData[Private->CurrentMode].VerticalResolution;
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*ColorDepth = Private->ModeData[Private->CurrentMode].ColorDepth;
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*RefreshRate = Private->ModeData[Private->CurrentMode].RefreshRate;
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return EFI_SUCCESS;
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}
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EFI_STATUS
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EFIAPI
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CirrusLogic5430UgaDrawSetMode (
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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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CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
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UINTN Index;
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Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
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for (Index = 0; Index < Private->MaxMode; Index++) {
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if (HorizontalResolution != Private->ModeData[Index].HorizontalResolution) {
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continue;
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}
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if (VerticalResolution != Private->ModeData[Index].VerticalResolution) {
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continue;
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}
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if (ColorDepth != Private->ModeData[Index].ColorDepth) {
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continue;
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}
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if (RefreshRate != Private->ModeData[Index].RefreshRate) {
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continue;
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}
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if (Private->LineBuffer) {
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gBS->FreePool (Private->LineBuffer);
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}
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Private->LineBuffer = NULL;
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Private->LineBuffer = AllocatePool (HorizontalResolution);
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if (Private->LineBuffer == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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InitializeGraphicsMode (Private, &CirrusLogic5430VideoModes[Index]);
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Private->CurrentMode = Index;
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Private->HardwareNeedsStarting = FALSE;
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return EFI_SUCCESS;
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}
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return EFI_NOT_FOUND;
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}
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EFI_STATUS
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EFIAPI
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CirrusLogic5430UgaDrawBlt (
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IN EFI_UGA_DRAW_PROTOCOL *This,
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IN EFI_UGA_PIXEL *BltBuffer, OPTIONAL
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IN EFI_UGA_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
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)
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{
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CIRRUS_LOGIC_5430_PRIVATE_DATA *Private;
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EFI_TPL OriginalTPL;
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UINTN DstY;
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UINTN SrcY;
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EFI_UGA_PIXEL *Blt;
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UINTN X;
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UINT8 Pixel;
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UINT32 WidePixel;
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UINTN ScreenWidth;
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UINTN Offset;
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UINTN SourceOffset;
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Private = CIRRUS_LOGIC_5430_PRIVATE_DATA_FROM_UGA_DRAW_THIS (This);
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if ((BltOperation < 0) || (BltOperation >= EfiUgaBltMax)) {
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return EFI_INVALID_PARAMETER;
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}
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if (Width == 0 || Height == 0) {
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return EFI_INVALID_PARAMETER;
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}
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//
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// If Delta is zero, then the entire BltBuffer is being used, so Delta
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// is the number of bytes in each row of BltBuffer. Since BltBuffer is Width pixels size,
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// the number of bytes in each row can be computed.
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//
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if (Delta == 0) {
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Delta = Width * sizeof (EFI_UGA_PIXEL);
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}
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//
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// We need to fill the Virtual Screen buffer with the blt data.
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// The virtual screen is upside down, as the first row is the bootom row of
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// the image.
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//
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//
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// Make sure the SourceX, SourceY, DestinationX, DestinationY, Width, and Height parameters
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// are valid for the operation and the current screen geometry.
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//
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if (BltOperation == EfiUgaVideoToBltBuffer) {
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//
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// Video to BltBuffer: Source is Video, destination is BltBuffer
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//
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if (SourceY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
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return EFI_INVALID_PARAMETER;
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}
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if (SourceX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
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return EFI_INVALID_PARAMETER;
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}
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} else {
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//
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// BltBuffer to Video: Source is BltBuffer, destination is Video
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//
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if (DestinationY + Height > Private->ModeData[Private->CurrentMode].VerticalResolution) {
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return EFI_INVALID_PARAMETER;
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}
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if (DestinationX + Width > Private->ModeData[Private->CurrentMode].HorizontalResolution) {
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return EFI_INVALID_PARAMETER;
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}
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}
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//
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// We have to raise to TPL Notify, so we make an atomic write the frame buffer.
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// We would not want a timer based event (Cursor, ...) to come in while we are
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// doing this operation.
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//
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OriginalTPL = gBS->RaiseTPL (TPL_NOTIFY);
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switch (BltOperation) {
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case EfiUgaVideoToBltBuffer:
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//
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// Video to BltBuffer: Source is Video, destination is BltBuffer
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//
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for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {
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Offset = (SrcY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + SourceX;
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if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
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Private->PciIo->Mem.Read (
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Private->PciIo,
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EfiPciIoWidthUint32,
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0,
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Offset,
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Width >> 2,
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Private->LineBuffer
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);
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} else {
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Private->PciIo->Mem.Read (
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Private->PciIo,
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EfiPciIoWidthUint8,
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0,
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Offset,
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Width,
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Private->LineBuffer
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);
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}
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for (X = 0; X < Width; X++) {
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Blt = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + (DestinationX + X) * sizeof (EFI_UGA_PIXEL));
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Blt->Red = (UINT8) (Private->LineBuffer[X] & 0xe0);
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Blt->Green = (UINT8) ((Private->LineBuffer[X] & 0x1c) << 3);
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Blt->Blue = (UINT8) ((Private->LineBuffer[X] & 0x03) << 6);
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}
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}
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break;
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case EfiUgaVideoToVideo:
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//
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// Perform hardware acceleration for Video to Video operations
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//
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ScreenWidth = Private->ModeData[Private->CurrentMode].HorizontalResolution;
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SourceOffset = (SourceY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (SourceX);
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Offset = (DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + (DestinationX);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0000);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0010);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0012);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0014);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0001);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0011);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0013);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0015);
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((Width << 8) & 0xff00) | 0x20));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((Width & 0xff00) | 0x21));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((Height << 8) & 0xff00) | 0x22));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((Height & 0xff00) | 0x23));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((ScreenWidth << 8) & 0xff00) | 0x24));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((ScreenWidth & 0xff00) | 0x25));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) (((ScreenWidth << 8) & 0xff00) | 0x26));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((ScreenWidth & 0xff00) | 0x27));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) << 8) & 0xff00) | 0x28));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) >> 0) & 0xff00) | 0x29));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((Offset) >> 8) & 0xff00) | 0x2a));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) << 8) & 0xff00) | 0x2c));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) >> 0) & 0xff00) | 0x2d));
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outw (Private, GRAPH_ADDRESS_REGISTER, (UINT16) ((((SourceOffset) >> 8) & 0xff00) | 0x2e));
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x002f);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0030);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0d32);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0033);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0034);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0035);
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outw (Private, GRAPH_ADDRESS_REGISTER, 0x0231);
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outb (Private, GRAPH_ADDRESS_REGISTER, 0x31);
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while ((inb (Private, GRAPH_DATA_REGISTER) & 0x01) == 0x01)
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;
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break;
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case EfiUgaVideoFill:
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Blt = BltBuffer;
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Pixel = (UINT8) ((Blt->Red & 0xe0) | ((Blt->Green >> 3) & 0x1c) | ((Blt->Blue >> 6) & 0x03));
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WidePixel = (Pixel << 8) | Pixel;
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WidePixel = (WidePixel << 16) | WidePixel;
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if (DestinationX == 0 && Width == Private->ModeData[Private->CurrentMode].HorizontalResolution) {
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Offset = DestinationY * Private->ModeData[Private->CurrentMode].HorizontalResolution;
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if (((Offset & 0x03) == 0) && (((Width * Height) & 0x03) == 0)) {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthFillUint32,
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0,
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Offset,
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(Width * Height) >> 2,
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&WidePixel
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);
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} else {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthFillUint8,
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0,
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Offset,
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Width * Height,
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&Pixel
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);
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}
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} else {
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for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
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Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
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if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthFillUint32,
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0,
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Offset,
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Width >> 2,
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&WidePixel
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);
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} else {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthFillUint8,
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0,
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Offset,
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Width,
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&Pixel
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);
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}
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}
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}
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break;
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case EfiUgaBltBufferToVideo:
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for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
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for (X = 0; X < Width; X++) {
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Blt = (EFI_UGA_PIXEL *) ((UINT8 *) BltBuffer + (SrcY * Delta) + (SourceX + X) * sizeof (EFI_UGA_PIXEL));
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Private->LineBuffer[X] = (UINT8) ((Blt->Red & 0xe0) | ((Blt->Green >> 3) & 0x1c) | ((Blt->Blue >> 6) & 0x03));
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}
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Offset = (DstY * Private->ModeData[Private->CurrentMode].HorizontalResolution) + DestinationX;
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if (((Offset & 0x03) == 0) && ((Width & 0x03) == 0)) {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthUint32,
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0,
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Offset,
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Width >> 2,
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Private->LineBuffer
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);
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} else {
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Private->PciIo->Mem.Write (
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Private->PciIo,
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EfiPciIoWidthUint8,
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0,
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Offset,
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Width,
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Private->LineBuffer
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);
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}
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}
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break;
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default:
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break;
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}
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gBS->RestoreTPL (OriginalTPL);
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return EFI_SUCCESS;
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}
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//
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// Construction and Destruction functions
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//
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EFI_STATUS
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CirrusLogic5430UgaDrawConstructor (
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CIRRUS_LOGIC_5430_PRIVATE_DATA *Private
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)
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{
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EFI_UGA_DRAW_PROTOCOL *UgaDraw;
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UINTN Index;
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//
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// Fill in Private->UgaDraw protocol
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//
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UgaDraw = &Private->UgaDraw;
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UgaDraw->GetMode = CirrusLogic5430UgaDrawGetMode;
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UgaDraw->SetMode = CirrusLogic5430UgaDrawSetMode;
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UgaDraw->Blt = CirrusLogic5430UgaDrawBlt;
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//
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// Initialize the private data
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//
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Private->MaxMode = CIRRUS_LOGIC_5430_MODE_COUNT;
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Private->CurrentMode = 0;
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for (Index = 0; Index < Private->MaxMode; Index++) {
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Private->ModeData[Index].HorizontalResolution = CirrusLogic5430VideoModes[Index].Width;
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Private->ModeData[Index].VerticalResolution = CirrusLogic5430VideoModes[Index].Height;
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Private->ModeData[Index].ColorDepth = 32;
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Private->ModeData[Index].RefreshRate = CirrusLogic5430VideoModes[Index].RefreshRate;
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}
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Private->HardwareNeedsStarting = TRUE;
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Private->LineBuffer = NULL;
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//
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// Initialize the hardware
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//
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UgaDraw->SetMode (
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UgaDraw,
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Private->ModeData[Private->CurrentMode].HorizontalResolution,
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Private->ModeData[Private->CurrentMode].VerticalResolution,
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Private->ModeData[Private->CurrentMode].ColorDepth,
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Private->ModeData[Private->CurrentMode].RefreshRate
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);
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DrawLogo (
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Private,
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Private->ModeData[Private->CurrentMode].HorizontalResolution,
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Private->ModeData[Private->CurrentMode].VerticalResolution
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);
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return EFI_SUCCESS;
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}
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