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/** @file
GopBltLib - Library to perform blt using the UEFI Graphics Output Protocol.
Copyright (c) 2007 - 2011, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#include "PiDxe.h"
#include <Protocol/GraphicsOutput.h>
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/BltLib.h>
#include <Library/DebugLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
EFI_GRAPHICS_OUTPUT_PROTOCOL *mGop = NULL;
/**
Configure the FrameBufferLib instance
@param[in] FrameBuffer Pointer to the start of the frame buffer
@param[in] FrameBufferInfo Describes the frame buffer characteristics
@retval EFI_INVALID_PARAMETER - Invalid parameter
@retval EFI_UNSUPPORTED - The BltLib does not support this configuration
@retval EFI_SUCCESS - Blt operation success
**/
EFI_STATUS
EFIAPI
BltLibConfigure (
IN VOID *FrameBuffer,
IN EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *FrameBufferInfo
)
{
EFI_STATUS Status;
EFI_HANDLE *HandleBuffer;
UINTN HandleCount;
UINTN Index;
EFI_GRAPHICS_OUTPUT_PROTOCOL *Gop;
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiGraphicsOutputProtocolGuid,
NULL,
&HandleCount,
&HandleBuffer
);
if (!EFI_ERROR (Status)) {
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiGraphicsOutputProtocolGuid,
(VOID*) &Gop
);
if (!EFI_ERROR (Status) &&
(FrameBuffer == (VOID*)(UINTN) Gop->Mode->FrameBufferBase)) {
mGop = Gop;
FreePool (HandleBuffer);
return EFI_SUCCESS;
}
}
FreePool (HandleBuffer);
}
return EFI_UNSUPPORTED;
}
/**
Performs a UEFI Graphics Output Protocol Blt operation.
@param[in,out] BltBuffer - The data to transfer to screen
@param[in] BltOperation - The operation to perform
@param[in] SourceX - The X coordinate of the source for BltOperation
@param[in] SourceY - The Y coordinate of the source for BltOperation
@param[in] DestinationX - The X coordinate of the destination for BltOperation
@param[in] DestinationY - The Y coordinate of the destination for BltOperation
@param[in] Width - The width of a rectangle in the blt rectangle in pixels
@param[in] Height - The height of a rectangle in the blt rectangle in pixels
@param[in] Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - Blt operation success
**/
EFI_STATUS
InternalGopBltCommon (
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
{
if (mGop == NULL) {
return EFI_DEVICE_ERROR;
}
return mGop->Blt (
mGop,
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
}
/**
Performs a UEFI Graphics Output Protocol Blt operation.
@param[in,out] BltBuffer - The data to transfer to screen
@param[in] BltOperation - The operation to perform
@param[in] SourceX - The X coordinate of the source for BltOperation
@param[in] SourceY - The Y coordinate of the source for BltOperation
@param[in] DestinationX - The X coordinate of the destination for BltOperation
@param[in] DestinationY - The Y coordinate of the destination for BltOperation
@param[in] Width - The width of a rectangle in the blt rectangle in pixels
@param[in] Height - The height of a rectangle in the blt rectangle in pixels
@param[in] Delta - Not used for EfiBltVideoFill and EfiBltVideoToVideo operation.
If a Delta of 0 is used, the entire BltBuffer will be operated on.
If a subrectangle of the BltBuffer is used, then Delta represents
the number of bytes in a row of the BltBuffer.
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - Blt operation success
**/
EFI_STATUS
EFIAPI
BltLibGopBlt (
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer, OPTIONAL
IN EFI_GRAPHICS_OUTPUT_BLT_OPERATION BltOperation,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
{
return InternalGopBltCommon (
BltBuffer,
BltOperation,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Video Fill.
@param[in] Color Color to fill the region with
@param[in] DestinationX X location to start fill operation
@param[in] DestinationY Y location to start fill operation
@param[in] Width Width (in pixels) to fill
@param[in] Height Height to fill
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibVideoFill (
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *Color,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height
)
{
return InternalGopBltCommon (
Color,
EfiBltVideoFill,
0,
0,
DestinationX,
DestinationY,
Width,
Height,
0
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation.
@param[out] BltBuffer Output buffer for pixel color data
@param[in] SourceX X location within video
@param[in] SourceY Y location within video
@param[in] Width Width (in pixels)
@param[in] Height Height
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibVideoToBltBuffer (
OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN Width,
IN UINTN Height
)
{
return InternalGopBltCommon (
BltBuffer,
EfiBltVideoToBltBuffer,
SourceX,
SourceY,
0,
0,
Width,
Height,
0
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Video to Buffer operation
with extended parameters.
@param[out] BltBuffer Output buffer for pixel color data
@param[in] SourceX X location within video
@param[in] SourceY Y location within video
@param[in] DestinationX X location within BltBuffer
@param[in] DestinationY Y location within BltBuffer
@param[in] Width Width (in pixels)
@param[in] Height Height
@param[in] Delta Number of bytes in a row of BltBuffer
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibVideoToBltBufferEx (
OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
{
return InternalGopBltCommon (
BltBuffer,
EfiBltVideoToBltBuffer,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation.
@param[in] BltBuffer Output buffer for pixel color data
@param[in] DestinationX X location within video
@param[in] DestinationY Y location within video
@param[in] Width Width (in pixels)
@param[in] Height Height
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibBufferToVideo (
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height
)
{
return InternalGopBltCommon (
BltBuffer,
EfiBltBufferToVideo,
0,
0,
DestinationX,
DestinationY,
Width,
Height,
0
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Buffer to Video operation
with extended parameters.
@param[in] BltBuffer Output buffer for pixel color data
@param[in] SourceX X location within BltBuffer
@param[in] SourceY Y location within BltBuffer
@param[in] DestinationX X location within video
@param[in] DestinationY Y location within video
@param[in] Width Width (in pixels)
@param[in] Height Height
@param[in] Delta Number of bytes in a row of BltBuffer
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibBufferToVideoEx (
IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer,
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height,
IN UINTN Delta
)
{
return InternalGopBltCommon (
BltBuffer,
EfiBltBufferToVideo,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
Delta
);
}
/**
Performs a UEFI Graphics Output Protocol Blt Video to Video operation
@param[in] SourceX X location within video
@param[in] SourceY Y location within video
@param[in] DestinationX X location within video
@param[in] DestinationY Y location within video
@param[in] Width Width (in pixels)
@param[in] Height Height
@retval EFI_DEVICE_ERROR - A hardware error occured
@retval EFI_INVALID_PARAMETER - Invalid parameter passed in
@retval EFI_SUCCESS - The sizes were returned
**/
EFI_STATUS
EFIAPI
BltLibVideoToVideo (
IN UINTN SourceX,
IN UINTN SourceY,
IN UINTN DestinationX,
IN UINTN DestinationY,
IN UINTN Width,
IN UINTN Height
)
{
return InternalGopBltCommon (
NULL,
EfiBltVideoToVideo,
SourceX,
SourceY,
DestinationX,
DestinationY,
Width,
Height,
0
);
}
/**
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
)
{
ASSERT (mGop != NULL);
if (Width != NULL) {
*Width = mGop->Mode->Info->HorizontalResolution;
}
if (Height != NULL) {
*Height = mGop->Mode->Info->VerticalResolution;
}
return EFI_SUCCESS;
}
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