Library/FrameBufferBltLib/FrameBufferBltLib.c

	FrameBufferBltLib.c revision 4fd606d1f5abe38e1f42c38de1d2e895166bd0f4
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/** @file
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  FrameBufferBltLib - Library to perform blt operations on a frame buffer.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  This program and the accompanying materials
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  are licensed and made available under the terms and conditions of the BSD License
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  which accompanies this distribution.  The full text of the license may be found at
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  http://opensource.org/licenses/bsd-license.php
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#include "PiDxe.h"
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#include <Library/BaseLib.h>
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#include <Library/BaseMemoryLib.h>
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#include <Library/BltLib.h>
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#include <Library/DebugLib.h>
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#if 0
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#define VDEBUG DEBUG
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#else
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#define VDEBUG(x)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#endif
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe#define MAX_LINE_BUFFER_SIZE (SIZE_4KB * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINTN                           mBltLibColorDepth;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINTN                           mBltLibWidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINTN                           mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINTN                           mBltLibWidthInPixels;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINTN                           mBltLibHeight;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINT8                           mBltLibLineBuffer[MAX_LINE_BUFFER_SIZE];
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweUINT8                           *mBltLibFrameBuffer;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_GRAPHICS_PIXEL_FORMAT       mPixelFormat;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_PIXEL_BITMASK               mPixelBitMasks;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweINTN                            mPixelShl[4]; // R-G-B-Rsvd
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweINTN                            mPixelShr[4]; // R-G-B-Rsvd
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweVOID
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweConfigurePixelBitMaskFormat (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN EFI_PIXEL_BITMASK          *BitMask
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN   Loop;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT32  *Masks;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT32  MergedMasks;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  MergedMasks = 0;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Masks = (UINT32*) BitMask;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  for (Loop = 0; Loop < 3; Loop++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ASSERT ((Loop == 3) || (Masks[Loop] != 0));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ASSERT ((MergedMasks & Masks[Loop]) == 0);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    mPixelShl[Loop] = HighBitSet32 (Masks[Loop]) - 23 + (Loop * 8);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (mPixelShl[Loop] < 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      mPixelShr[Loop] = -mPixelShl[Loop];
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      mPixelShl[Loop] = 0;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      mPixelShr[Loop] = 0;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    MergedMasks = (UINT32) (MergedMasks | Masks[Loop]);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    DEBUG ((EFI_D_INFO, "%d: shl:%d shr:%d mask:%x\n", Loop, mPixelShl[Loop], mPixelShr[Loop], Masks[Loop]));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  MergedMasks = (UINT32) (MergedMasks | Masks[3]);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  ASSERT (MergedMasks != 0);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mBltLibBytesPerPixel = (UINTN) ((HighBitSet32 (MergedMasks) + 7) / 8);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  DEBUG ((EFI_D_INFO, "Bytes per pixel: %d\n", mBltLibBytesPerPixel));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  CopyMem (&mPixelBitMasks, BitMask, sizeof (*BitMask));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Configure the FrameBufferLib instance
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in] FrameBuffer      Pointer to the start of the frame buffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in] FrameBufferInfo  Describes the frame buffer characteristics
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_UNSUPPORTED - The BltLib does not support this configuration
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - Blt operation success
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibConfigure (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  VOID                                 *FrameBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  STATIC EFI_PIXEL_BITMASK  RgbPixelMasks =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    { 0x000000ff, 0x0000ff00, 0x00ff0000, 0xff000000 };
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  STATIC EFI_PIXEL_BITMASK  BgrPixelMasks =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    { 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000 };
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  switch (FrameBufferInfo->PixelFormat) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case PixelRedGreenBlueReserved8BitPerColor:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ConfigurePixelBitMaskFormat (&RgbPixelMasks);
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    break;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case PixelBlueGreenRedReserved8BitPerColor:
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    ConfigurePixelBitMaskFormat (&BgrPixelMasks);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    break;
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  case PixelBitMask:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ConfigurePixelBitMaskFormat (&(FrameBufferInfo->PixelInformation));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    break;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case PixelBltOnly:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ASSERT (FrameBufferInfo->PixelFormat != PixelBltOnly);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_UNSUPPORTED;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  default:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    ASSERT (FALSE);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mPixelFormat = FrameBufferInfo->PixelFormat;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mBltLibFrameBuffer = (UINT8*) FrameBuffer;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mBltLibWidthInPixels = (UINTN) FrameBufferInfo->HorizontalResolution;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mBltLibHeight = (UINTN) FrameBufferInfo->VerticalResolution;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  mBltLibWidthInBytes = mBltLibWidthInPixels * mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  ASSERT (mBltLibWidthInBytes < sizeof (mBltLibLineBuffer));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  return EFI_SUCCESS;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt operation.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in,out] BltBuffer     - The data to transfer to screen
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     BltOperation  - The operation to perform
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     SourceX       - The X coordinate of the source for BltOperation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     SourceY       - The Y coordinate of the source for BltOperation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     DestinationX  - The X coordinate of the destination for BltOperation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     DestinationY  - The Y coordinate of the destination for BltOperation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     Width         - The width of a rectangle in the blt rectangle in pixels
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     Height        - The height of a rectangle in the blt rectangle in pixels
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]     Delta         - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe                                 If a Delta of 0 is used, the entire BltBuffer will be operated on.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe                                 If a subrectangle of the BltBuffer is used, then Delta represents
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe                                 the number of bytes in a row of the BltBuffer.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - Blt operation success
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibGopBlt (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer, OPTIONAL
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION     BltOperation,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceX,
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  IN  UINTN                                 SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  switch (BltOperation) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case EfiBltVideoToBltBuffer:
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    return BltLibVideoToBltBufferEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case EfiBltVideoToVideo:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return BltLibVideoToVideo (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case EfiBltVideoFill:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return BltLibVideoFill (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  case EfiBltBufferToVideo:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return BltLibBufferToVideoEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe             );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  default:
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Video Fill.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Color         Color to fill the region with
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationX  X location to start fill operation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationY  Y location to start fill operation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels) to fill
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height to fill
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibVideoFill (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *Color,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           DstY;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemSrc;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemDst;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           X;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT8                           Uint8;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT32                          Uint32;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT64                          WideFill;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  BOOLEAN                         UseWideFill;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  BOOLEAN                         LineBufferReady;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           WidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           SizeInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // BltBuffer to Video: Source is BltBuffer, destination is Video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationY + Height > mBltLibHeight) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    DEBUG ((EFI_D_INFO, "VideoFill: Past screen (Y)\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationX + Width > mBltLibWidthInPixels) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    DEBUG ((EFI_D_INFO, "VideoFill: Past screen (X)\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Width == 0 || Height == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    DEBUG ((EFI_D_INFO, "VideoFill: Width or Height is 0\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WidthInBytes = Width * mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Uint32 = *(UINT32*) Color;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WideFill =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    (UINT32) (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        (((Uint32 << mPixelShl[0]) >> mPixelShr[0]) & mPixelBitMasks.RedMask) |
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        (((Uint32 << mPixelShl[1]) >> mPixelShr[1]) & mPixelBitMasks.GreenMask) |
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        (((Uint32 << mPixelShl[2]) >> mPixelShr[2]) & mPixelBitMasks.BlueMask)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VDEBUG ((EFI_D_INFO, "VideoFill: color=0x%x, wide-fill=0x%x\n", Uint32, WideFill));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // If the size of the pixel data evenly divides the sizeof
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // WideFill, then a wide fill operation can be used
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UseWideFill = TRUE;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if ((sizeof (WideFill) % mBltLibBytesPerPixel) == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    for (X = mBltLibBytesPerPixel; X < sizeof (WideFill); X++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      ((UINT8*)&WideFill)[X] = ((UINT8*)&WideFill)[X % mBltLibBytesPerPixel];
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    // If all the bytes in the pixel are the same value, then use
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    // a wide fill operation.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    for (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      X = 1, Uint8 = ((UINT8*)&WideFill)[0];
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      X < mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      X++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      if (Uint8 != ((UINT8*)&WideFill)[X]) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        UseWideFill = FALSE;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        break;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (UseWideFill) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      SetMem ((VOID*) &WideFill, sizeof (WideFill), Uint8);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (UseWideFill && (DestinationX == 0) && (Width == mBltLibWidthInPixels)) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    VDEBUG ((EFI_D_INFO, "VideoFill (wide, one-shot)\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Offset = DestinationY * mBltLibWidthInPixels;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Offset = mBltLibBytesPerPixel * Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    BltMemDst = (VOID*) (mBltLibFrameBuffer + Offset);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    SizeInBytes = WidthInBytes * Height;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (SizeInBytes >= 8) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      SetMem32 (BltMemDst, SizeInBytes & ~3, (UINT32) WideFill);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      SizeInBytes = SizeInBytes & 3;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (SizeInBytes > 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      SetMem (BltMemDst, SizeInBytes, (UINT8)(UINTN) WideFill);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    LineBufferReady = FALSE;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    for (DstY = DestinationY; DstY < (Height + DestinationY); DstY++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      Offset = (DstY * mBltLibWidthInPixels) + DestinationX;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      Offset = mBltLibBytesPerPixel * Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      BltMemDst = (VOID*) (mBltLibFrameBuffer + Offset);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      if (UseWideFill && (((UINTN) BltMemDst & 7) == 0)) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        VDEBUG ((EFI_D_INFO, "VideoFill (wide)\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        SizeInBytes = WidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        if (SizeInBytes >= 8) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          SetMem64 (BltMemDst, SizeInBytes & ~7, WideFill);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          SizeInBytes = SizeInBytes & 7;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        if (SizeInBytes > 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          CopyMem (BltMemDst, (VOID*) &WideFill, SizeInBytes);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        VDEBUG ((EFI_D_INFO, "VideoFill (not wide)\n"));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        if (!LineBufferReady) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          CopyMem (mBltLibLineBuffer, &WideFill, mBltLibBytesPerPixel);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          for (X = 1; X < Width; ) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            CopyMem(
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (mBltLibLineBuffer + (X * mBltLibBytesPerPixel)),
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              mBltLibLineBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              MIN (X, Width - X) * mBltLibBytesPerPixel
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            X = X + MIN (X, Width - X);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          BltMemSrc = (VOID *) mBltLibLineBuffer;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          LineBufferReady = TRUE;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        CopyMem (BltMemDst, mBltLibLineBuffer, WidthInBytes);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  return EFI_SUCCESS;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[out] BltBuffer     Output buffer for pixel color data
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceX       X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceY       Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibVideoToBltBuffer (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  return BltLibVideoToBltBufferEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  with extended parameters.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[out] BltBuffer     Output buffer for pixel color data
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceX       X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceY       Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationX  X location within BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationY  Y location within BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Delta         Number of bytes in a row of BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri PankovEFI_STATUS
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri PankovEFIAPI
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri PankovBltLibVideoToBltBufferEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           DstY;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           SrcY;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  EFI_GRAPHICS_OUTPUT_BLT_PIXEL   *Blt;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemSrc;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemDst;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           X;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT32                          Uint32;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           WidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // Video to BltBuffer: Source is Video, destination is BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (SourceY + Height > mBltLibHeight) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (SourceX + Width > mBltLibWidthInPixels) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Width == 0 || Height == 0) {
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // If Delta is zero, then the entire BltBuffer is being used, so Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // is the number of bytes in each row of BltBuffer.  Since BltBuffer is Width pixels size,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // the number of bytes in each row can be computed.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Delta == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WidthInBytes = Width * mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // Video to BltBuffer: Source is Video, destination is BltBuffer
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  for (SrcY = SourceY, DstY = DestinationY; DstY < (Height + DestinationY); SrcY++, DstY++) {
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Offset = (SrcY * mBltLibWidthInPixels) + SourceX;
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    Offset = mBltLibBytesPerPixel * Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    BltMemSrc = (VOID *) (mBltLibFrameBuffer + Offset);
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (mPixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      BltMemDst =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        (VOID *) (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            (UINT8 *) BltBuffer +
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            (DstY * Delta) +
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            (DestinationX * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      BltMemDst = (VOID *) mBltLibLineBuffer;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    CopyMem (BltMemDst, BltMemSrc, WidthInBytes);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (mPixelFormat != PixelBlueGreenRedReserved8BitPerColor) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      for (X = 0; X < Width; X++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        Blt         = (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) ((UINT8 *) BltBuffer + (DstY * Delta) + (DestinationX + X) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        Uint32 = *(UINT32*) (mBltLibLineBuffer + (X * mBltLibBytesPerPixel));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        *(UINT32*) Blt =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          (UINT32) (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (((Uint32 & mPixelBitMasks.RedMask)   >> mPixelShl[0]) << mPixelShr[0]) |
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (((Uint32 & mPixelBitMasks.GreenMask) >> mPixelShl[1]) << mPixelShr[1]) |
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov              (((Uint32 & mPixelBitMasks.BlueMask)  >> mPixelShl[2]) << mPixelShr[2])
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            );
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov      }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  return EFI_SUCCESS;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  BltBuffer     Output buffer for pixel color data
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationX  X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationY  Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibBufferToVideo (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  return BltLibBufferToVideoEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           Height,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           0
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe           );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  with extended parameters.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  BltBuffer     Output buffer for pixel color data
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceX       X location within BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceY       Y location within BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationX  X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationY  Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Delta         Number of bytes in a row of BltBuffer
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibBufferToVideoEx (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL         *BltBuffer,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceY,
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height,
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  IN  UINTN                                 Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           DstY;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           SrcY;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  EFI_GRAPHICS_OUTPUT_BLT_PIXEL   *Blt;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemSrc;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemDst;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           X;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINT32                          Uint32;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           WidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // BltBuffer to Video: Source is BltBuffer, destination is Video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationY + Height > mBltLibHeight) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationX + Width > mBltLibWidthInPixels) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Width == 0 || Height == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // If Delta is zero, then the entire BltBuffer is being used, so Delta
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // is the number of bytes in each row of BltBuffer.  Since BltBuffer is Width pixels size,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  // the number of bytes in each row can be computed.
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Delta == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Delta = Width * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WidthInBytes = Width * mBltLibBytesPerPixel;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  for (SrcY = SourceY, DstY = DestinationY; SrcY < (Height + SourceY); SrcY++, DstY++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Offset = (DstY * mBltLibWidthInPixels) + DestinationX;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    Offset = mBltLibBytesPerPixel * Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    BltMemDst = (VOID*) (mBltLibFrameBuffer + Offset);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    if (mPixelFormat == PixelBlueGreenRedReserved8BitPerColor) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      BltMemSrc = (VOID *) ((UINT8 *) BltBuffer + (SrcY * Delta));
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    } else {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      for (X = 0; X < Width; X++) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        Blt =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          (EFI_GRAPHICS_OUTPUT_BLT_PIXEL *) (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (UINT8 *) BltBuffer +
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (SrcY * Delta) +
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              ((SourceX + X) * sizeof (EFI_GRAPHICS_OUTPUT_BLT_PIXEL))
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        Uint32 = *(UINT32*) Blt;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe        *(UINT32*) (mBltLibLineBuffer + (X * mBltLibBytesPerPixel)) =
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe          (UINT32) (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (((Uint32 << mPixelShl[0]) >> mPixelShr[0]) & mPixelBitMasks.RedMask) |
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (((Uint32 << mPixelShl[1]) >> mPixelShr[1]) & mPixelBitMasks.GreenMask) |
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe              (((Uint32 << mPixelShl[2]) >> mPixelShr[2]) & mPixelBitMasks.BlueMask)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe            );
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe      BltMemSrc = (VOID *) mBltLibLineBuffer;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    CopyMem (BltMemDst, BltMemSrc, WidthInBytes);
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  return EFI_SUCCESS;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe}
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe/**
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  Performs a UEFI Graphics Output Protocol Blt Video to Video operation
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceX       X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  SourceY       Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationX  X location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  DestinationY  Y location within video
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Width         Width (in pixels)
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @param[in]  Height        Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_DEVICE_ERROR - A hardware error occured
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  @retval  EFI_SUCCESS - The sizes were returned
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe**/
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFI_STATUS
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweEFIAPI
c10c16dec587a0662068f6e2991c29ed3a9db943Richard LoweBltLibVideoToVideo (
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 SourceY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationX,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 DestinationY,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Width,
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  IN  UINTN                                 Height
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  )
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe{
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemSrc;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  VOID                            *BltMemDst;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           Offset;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  UINTN                           WidthInBytes;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  INTN                            LineStride;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  //
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  // Video to Video: Source is Video, destination is Video
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  //
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov  if (SourceY + Height > mBltLibHeight) {
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (SourceX + Width > mBltLibWidthInPixels) {
ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2abYuri Pankov    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationY + Height > mBltLibHeight) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (DestinationX + Width > mBltLibWidthInPixels) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  if (Width == 0 || Height == 0) {
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe    return EFI_INVALID_PARAMETER;
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  }
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe
c10c16dec587a0662068f6e2991c29ed3a9db943Richard Lowe  WidthInBytes = Width * mBltLibBytesPerPixel;

  Offset = (SourceY * mBltLibWidthInPixels) + SourceX;
  Offset = mBltLibBytesPerPixel * Offset;
  BltMemSrc = (VOID *) (mBltLibFrameBuffer + Offset);

  Offset = (DestinationY * mBltLibWidthInPixels) + DestinationX;
  Offset = mBltLibBytesPerPixel * Offset;
  BltMemDst = (VOID *) (mBltLibFrameBuffer + Offset);

  LineStride = mBltLibWidthInBytes;
  if ((UINTN) BltMemDst > (UINTN) BltMemSrc) {
    LineStride = -LineStride;
  }

  while (Height > 0) {
    CopyMem (BltMemDst, BltMemSrc, WidthInBytes);

    BltMemSrc = (VOID*) ((UINT8*) BltMemSrc + LineStride);
    BltMemDst = (VOID*) ((UINT8*) BltMemDst + LineStride);
    Height--;
  }

  return EFI_SUCCESS;
}


/**
  Returns the sizes related to the video device

  @param[out]  Width   Width (in pixels)
  @param[out]  Height  Height (in pixels)

  @retval  EFI_INVALID_PARAMETER - Invalid parameter passed in
  @retval  EFI_SUCCESS - The sizes were returned

**/
EFI_STATUS
EFIAPI
BltLibGetSizes (
  OUT UINTN                                 *Width,  OPTIONAL
  OUT UINTN                                 *Height  OPTIONAL
  )
{
  if (Width != NULL) {
    *Width = mBltLibWidthInPixels;
  }
  if (Height != NULL) {
    *Height = mBltLibHeight;
  }

  return EFI_SUCCESS;
}