mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-27 16:58:09 +01:00
271 lines
10 KiB
C
271 lines
10 KiB
C
/** @file
|
|
Graphics Output Protocol from the UEFI 2.0 specification.
|
|
|
|
Abstraction of a very simple graphics device.
|
|
|
|
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#ifndef __GRAPHICS_OUTPUT_H__
|
|
#define __GRAPHICS_OUTPUT_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 {
|
|
///
|
|
/// A pixel is 32-bits and byte zero represents red, byte one represents green,
|
|
/// byte two represents blue, and byte three is reserved. This is the definition
|
|
/// for the physical frame buffer. The byte values for the red, green, and blue
|
|
/// components represent the color intensity. This color intensity value range
|
|
/// from a minimum intensity of 0 to maximum intensity of 255.
|
|
///
|
|
PixelRedGreenBlueReserved8BitPerColor,
|
|
///
|
|
/// A pixel is 32-bits and byte zero represents blue, byte one represents green,
|
|
/// byte two represents red, and byte three is reserved. This is the definition
|
|
/// for the physical frame buffer. The byte values for the red, green, and blue
|
|
/// components represent the color intensity. This color intensity value range
|
|
/// from a minimum intensity of 0 to maximum intensity of 255.
|
|
///
|
|
PixelBlueGreenRedReserved8BitPerColor,
|
|
///
|
|
/// The Pixel definition of the physical frame buffer.
|
|
///
|
|
PixelBitMask,
|
|
///
|
|
/// This mode does not support a physical frame buffer.
|
|
///
|
|
PixelBltOnly,
|
|
///
|
|
/// Valid EFI_GRAPHICS_PIXEL_FORMAT enum values are less than this value.
|
|
///
|
|
PixelFormatMax
|
|
} EFI_GRAPHICS_PIXEL_FORMAT;
|
|
|
|
typedef struct {
|
|
///
|
|
/// The version of this data structure. A value of zero represents the
|
|
/// EFI_GRAPHICS_OUTPUT_MODE_INFORMATION structure as defined in this specification.
|
|
///
|
|
UINT32 Version;
|
|
///
|
|
/// The size of video screen in pixels in the X dimension.
|
|
///
|
|
UINT32 HorizontalResolution;
|
|
///
|
|
/// The size of video screen in pixels in the Y dimension.
|
|
///
|
|
UINT32 VerticalResolution;
|
|
///
|
|
/// Enumeration that defines the physical format of the pixel. A value of PixelBltOnly
|
|
/// implies that a linear frame buffer is not available for this mode.
|
|
///
|
|
EFI_GRAPHICS_PIXEL_FORMAT PixelFormat;
|
|
///
|
|
/// This bit-mask is only valid if PixelFormat is set to PixelPixelBitMask.
|
|
/// A bit being set defines what bits are used for what purpose such as Red, Green, Blue, or Reserved.
|
|
///
|
|
EFI_PIXEL_BITMASK PixelInformation;
|
|
///
|
|
/// Defines the number of pixel elements per video memory line.
|
|
///
|
|
UINT32 PixelsPerScanLine;
|
|
} EFI_GRAPHICS_OUTPUT_MODE_INFORMATION;
|
|
|
|
/**
|
|
Returns information for an available graphics mode that the graphics device
|
|
and the set of active video output devices supports.
|
|
|
|
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
|
|
@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 Valid mode information was returned.
|
|
@retval EFI_DEVICE_ERROR A hardware error occurred trying to retrieve the video mode.
|
|
@retval EFI_INVALID_PARAMETER ModeNumber is not valid.
|
|
|
|
**/
|
|
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
|
|
);
|
|
|
|
/**
|
|
Set the video device into the specified mode and clears the visible portions of
|
|
the output display to black.
|
|
|
|
@param This The EFI_GRAPHICS_OUTPUT_PROTOCOL instance.
|
|
@param ModeNumber Abstraction that defines the current video mode.
|
|
|
|
@retval EFI_SUCCESS The graphics mode specified by ModeNumber was selected.
|
|
@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;
|
|
|
|
///
|
|
/// actions for BltOperations
|
|
///
|
|
typedef enum {
|
|
///
|
|
/// Write data from the BltBuffer pixel (0, 0)
|
|
/// 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.
|
|
///
|
|
EfiBltVideoFill,
|
|
|
|
///
|
|
/// 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.
|
|
///
|
|
EfiBltVideoToBltBuffer,
|
|
|
|
///
|
|
/// 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.
|
|
///
|
|
EfiBltBufferToVideo,
|
|
|
|
///
|
|
/// 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.
|
|
///
|
|
EfiBltVideoToVideo,
|
|
|
|
EfiGraphicsOutputBltOperationMax
|
|
} EFI_GRAPHICS_OUTPUT_BLT_OPERATION;
|
|
|
|
/**
|
|
Blt a rectangle of pixels on the graphics screen. Blt stands for BLock Transfer.
|
|
|
|
@param This Protocol instance pointer.
|
|
@param BltBuffer The data to transfer to the graphics screen.
|
|
Size is at least Width*Height*sizeof(EFI_GRAPHICS_OUTPUT_BLT_PIXEL).
|
|
@param BltOperation The operation to perform when copying BltBuffer on to the graphics screen.
|
|
@param SourceX The X coordinate of source for the BltOperation.
|
|
@param SourceY The Y coordinate of source for the BltOperation.
|
|
@param DestinationX The X coordinate of destination for the BltOperation.
|
|
@param DestinationY The Y coordinate of destination for the BltOperation.
|
|
@param Width The width of a rectangle in the blt rectangle in pixels.
|
|
@param Height The height of a rectangle in the blt rectangle in pixels.
|
|
@param Delta Not used for EfiBltVideoFill or the EfiBltVideoToVideo operation.
|
|
If a Delta of zero is used, the entire BltBuffer is being operated on.
|
|
If a subrectangle of the BltBuffer is being used then Delta
|
|
represents the number of bytes in a row of the BltBuffer.
|
|
|
|
@retval EFI_SUCCESS BltBuffer was drawn to the graphics screen.
|
|
@retval EFI_INVALID_PARAMETER BltOperation is not valid.
|
|
@retval EFI_DEVICE_ERROR The device had an error and could not complete the request.
|
|
|
|
**/
|
|
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 {
|
|
///
|
|
/// The number of modes supported by QueryMode() and SetMode().
|
|
///
|
|
UINT32 MaxMode;
|
|
///
|
|
/// Current Mode of the graphics device. Valid mode numbers are 0 to MaxMode -1.
|
|
///
|
|
UINT32 Mode;
|
|
///
|
|
/// Pointer to read-only EFI_GRAPHICS_OUTPUT_MODE_INFORMATION data.
|
|
///
|
|
EFI_GRAPHICS_OUTPUT_MODE_INFORMATION *Info;
|
|
///
|
|
/// Size of Info structure in bytes.
|
|
///
|
|
UINTN SizeOfInfo;
|
|
///
|
|
/// Base address of graphics linear frame buffer.
|
|
/// Offset zero in FrameBufferBase represents the upper left pixel of the display.
|
|
///
|
|
EFI_PHYSICAL_ADDRESS FrameBufferBase;
|
|
///
|
|
/// Amount of frame buffer needed to support the active mode as defined by
|
|
/// PixelsPerScanLine xVerticalResolution x PixelElementSize.
|
|
///
|
|
UINTN FrameBufferSize;
|
|
} EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE;
|
|
|
|
///
|
|
/// 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.
|
|
///
|
|
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;
|
|
///
|
|
/// Pointer to EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE data.
|
|
///
|
|
EFI_GRAPHICS_OUTPUT_PROTOCOL_MODE *Mode;
|
|
};
|
|
|
|
extern EFI_GUID gEfiGraphicsOutputProtocolGuid;
|
|
|
|
#endif
|