mirror of https://github.com/acidanthera/audk.git
214 lines
8.1 KiB
C
214 lines
8.1 KiB
C
/** @file
|
|
Graphics Output Protocol from the UEFI 2.0 specification.
|
|
|
|
Abstraction of a very simple graphics device.
|
|
|
|
Copyright (c) 2006 - 2008, Intel Corporation
|
|
All rights reserved. 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.
|
|
|
|
**/
|
|
|
|
#ifndef __GRAPHICS_OUTPUT_H__
|
|
#define __GRAPHICS_OUTPUT_H__
|
|
|
|
#include <PiDxe.h>
|
|
|
|
#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
|
|
{ \
|
|
0x9042a9de, 0x23dc, 0x4a38, {0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a } \
|
|
}
|
|
|
|
typedef struct _EFI_GRAPHICS_OUTPUT_PROTOCOL EFI_GRAPHICS_OUTPUT_PROTOCOL;
|
|
|
|
typedef struct {
|
|
UINT32 RedMask;
|
|
UINT32 GreenMask;
|
|
UINT32 BlueMask;
|
|
UINT32 ReservedMask;
|
|
} EFI_PIXEL_BITMASK;
|
|
|
|
typedef enum {
|
|
PixelRedGreenBlueReserved8BitPerColor,
|
|
PixelBlueGreenRedReserved8BitPerColor,
|
|
PixelBitMask,
|
|
PixelBltOnly,
|
|
PixelFormatMax
|
|
} EFI_GRAPHICS_PIXEL_FORMAT;
|
|
|
|
typedef struct {
|
|
UINT32 Version;
|
|
UINT32 HorizontalResolution;
|
|
UINT32 VerticalResolution;
|
|
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
|
|
EFI_PIXEL_BITMASK PixelInformation;
|
|
UINT32 PixelsPerScanLine;
|
|
} EFI_GRAPHICS_OUTPUT_MODE_INFORMATION;
|
|
|
|
/**
|
|
Return the current video mode information.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ModeNumber The mode number to return information on.
|
|
@param SizeOfInfo A pointer to the size, in bytes, of the Info buffer.
|
|
@param Info A pointer to callee allocated buffer that returns information about ModeNumber.
|
|
|
|
@retval EFI_SUCCESS Mode information returned.
|
|
@retval EFI_BUFFER_TOO_SMALL The Info buffer was too small.
|
|
@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.
|
|
@retval EFI_NOT_STARTED Video display is not initialized. Call SetMode ()
|
|
@retval EFI_INVALID_PARAMETER One of the input args was NULL.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_GRAPHICS_OUTPUT_PROTOCOL_QUERY_MODE)(
|
|
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
|
IN UINT32 ModeNumber,
|
|
OUT UINTN *SizeOfInfo,
|
|
OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION **Info
|
|
);
|
|
|
|
/**
|
|
Return the current video mode information.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param ModeNumber The mode number to be set.
|
|
|
|
@retval EFI_SUCCESS Graphics mode was changed.
|
|
@retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
|
|
@retval EFI_UNSUPPORTED ModeNumber is not supported by this device.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_GRAPHICS_OUTPUT_PROTOCOL_SET_MODE)(
|
|
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
|
IN UINT32 ModeNumber
|
|
);
|
|
|
|
typedef struct {
|
|
UINT8 Blue;
|
|
UINT8 Green;
|
|
UINT8 Red;
|
|
UINT8 Reserved;
|
|
} EFI_GRAPHICS_OUTPUT_BLT_PIXEL;
|
|
|
|
typedef union {
|
|
EFI_GRAPHICS_OUTPUT_BLT_PIXEL Pixel;
|
|
UINT32 Raw;
|
|
} EFI_GRAPHICS_OUTPUT_BLT_PIXEL_UNION;
|
|
|
|
typedef enum {
|
|
EfiBltVideoFill,
|
|
EfiBltVideoToBltBuffer,
|
|
EfiBltBufferToVideo,
|
|
EfiBltVideoToVideo,
|
|
EfiGraphicsOutputBltOperationMax
|
|
} EFI_GRAPHICS_OUTPUT_BLT_OPERATION;
|
|
|
|
/**
|
|
The following table defines actions for BltOperations:
|
|
|
|
<B>EfiBltVideoFill</B> - Write data from the BltBuffer pixel (SourceX, SourceY)
|
|
directly to every pixel of the video display rectangle
|
|
(DestinationX, DestinationY) (DestinationX + Width, DestinationY + Height).
|
|
Only one pixel will be used from the BltBuffer. Delta is NOT used.
|
|
|
|
<B>EfiBltVideoToBltBuffer</B> - Read data from the video display rectangle
|
|
(SourceX, SourceY) (SourceX + Width, SourceY + Height) and place it in
|
|
the BltBuffer rectangle (DestinationX, DestinationY )
|
|
(DestinationX + Width, DestinationY + Height). If DestinationX or
|
|
DestinationY is not zero then Delta must be set to the length in bytes
|
|
of a row in the BltBuffer.
|
|
|
|
<B>EfiBltBufferToVideo</B> - Write data from the BltBuffer rectangle
|
|
(SourceX, SourceY) (SourceX + Width, SourceY + Height) directly to the
|
|
video display rectangle (DestinationX, DestinationY)
|
|
(DestinationX + Width, DestinationY + Height). If SourceX or SourceY is
|
|
not zero then Delta must be set to the length in bytes of a row in the
|
|
BltBuffer.
|
|
|
|
<B>EfiBltVideoToVideo</B> - Copy from the video display rectangle (SourceX, SourceY)
|
|
(SourceX + Width, SourceY + Height) .to the video display rectangle
|
|
(DestinationX, DestinationY) (DestinationX + Width, DestinationY + Height).
|
|
The BltBuffer and Delta are not used in this mode.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param BltBuffer Buffer containing data to blit into video buffer. This
|
|
buffer has a size of Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL)
|
|
@param BltOperation Operation to perform on BlitBuffer and video memory
|
|
@param SourceX X coordinate of source for the BltBuffer.
|
|
@param SourceY Y coordinate of source for the BltBuffer.
|
|
@param DestinationX X coordinate of destination for the BltBuffer.
|
|
@param DestinationY Y coordinate of destination for the BltBuffer.
|
|
@param Width Width of rectangle in BltBuffer in pixels.
|
|
@param Height Hight of rectangle in BltBuffer in pixels.
|
|
@param Delta OPTIONAL
|
|
|
|
@retval EFI_SUCCESS The Blt operation completed.
|
|
@retval EFI_INVALID_PARAMETER BltOperation is not valid.
|
|
@retval EFI_DEVICE_ERROR A hardware error occured writting to the video buffer.
|
|
|
|
**/
|
|
typedef
|
|
EFI_STATUS
|
|
(EFIAPI *EFI_GRAPHICS_OUTPUT_PROTOCOL_BLT)(
|
|
IN EFI_GRAPHICS_OUTPUT_PROTOCOL *This,
|
|
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 OPTIONAL
|
|
);
|
|
|
|
typedef struct {
|
|
UINT32 MaxMode;
|
|
UINT32 Mode;
|
|
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
|
|
UINTN SizeOfInfo;
|
|
EFI_PHYSICAL_ADDRESS FrameBufferBase;
|
|
UINTN FrameBufferSize;
|
|
} EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE;
|
|
|
|
/**
|
|
@par Protocol Description:
|
|
Provides a basic abstraction to set video modes and copy pixels to and from
|
|
the graphics controller's frame buffer. The linear address of the hardware
|
|
frame buffer is also exposed so software can write directly to the video hardware.
|
|
|
|
@param QueryMode
|
|
Returns information for an available graphics mode that the graphics device
|
|
and the set of active video output devices supports.
|
|
|
|
@param SetMode
|
|
Set the video device into the specified mode and clears the visible portions
|
|
of the output display to black.
|
|
|
|
@param Blt
|
|
Software abstraction to draw on the video device's frame buffer.
|
|
|
|
@param Mode
|
|
Pointer to EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE data.
|
|
|
|
**/
|
|
struct _EFI_GRAPHICS_OUTPUT_PROTOCOL {
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL_QUERY_MODE QueryMode;
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL_SET_MODE SetMode;
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL_BLT Blt;
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
|
|
};
|
|
|
|
extern EFI_GUID gEfiGraphicsOutputProtocolGuid;
|
|
|
|
#endif
|