Mode Information of the Vesa BIOS Extension More...

Public Types
enum	ModeAttributes : uint16_t { SUPPORTED = 1 << 0 , TTY = 1 << 2 , COLOR = 1 << 3 , GRAPHICS = 1 << 4 , VGA = 1 << 5 , VGA_PAGED = 1 << 6 , LFB = 1 << 7 }

enum	MemoryModel : uint8_t { TEXT_MODE = 0 , CGA = 1 , HERCULES = 2 , PLANAR = 3 , PACKED = 4 , NON_CHAIN_4 = 5 , DIRECT_COLOR = 6 , YUV = 7 }

enum	DirectColorAttributes : uint8_t { DYNAMIC_COLOR_RAMP = 1 << 0 , USABLE_BITS = 1 << 1 }

Public Attributes
uint16_t	pitch
	Bytes per scan line.

uint16_t	width
	Horizontal resolution in pixels (GRAPHICS) or characters.

uint16_t	height
	Vertical resolution in pixels (GRAPHICS) or characters.

uint8_t	char_width
	Character cell width in pixels (deprecated)

uint8_t	char_height
	Character cell height in pixels (deprecated)

uint8_t	planes
	Number of memory planes.

uint8_t	bpp
	Bits per pixel.

uint8_t	banks
	Number of banks.

enum VbeModeInfo::MemoryModel	memory_model
	Memory model type.

uint8_t	bank_size
	Bank size in KB.

uint8_t	image_pages
	Number of images.

uint8_t	reserved
	Reserved for page function.

uint8_t	bits_red
	Size of direct color red mask in bits.

uint8_t	offset_red
	Bit position of lsb of red mask.

uint8_t	bits_green
	Size of direct color green mask in bits.

uint8_t	offset_green
	Bit position of lsb of green mask.

uint8_t	bits_blue
	Size of direct color blue mask in bits.

uint8_t	offset_blue
	Bit position of lsb of blue mask.

uint8_t	bits_rsv
	Size of direct color reserved mask in bits.

uint8_t	offset_rsv
	Bit position of lsb of reserved mask.

uint8_t	directcolor_attributes
	direct color mode attributes

uint32_t	address
	physical address for flat memory frame buffer

uint32_t	offscreen_memory_offset
	reserved

uint16_t	offscreen_memory_size
	reserved

Detailed Description

Mode Information of the Vesa BIOS Extension

Member Enumeration Documentation

Enumerator
DYNAMIC_COLOR_RAMP	Programmable (otherwise fixed) color ramp.
USABLE_BITS	Bits in reserved mask are usable (otherwise reserved)

Enumerator
SUPPORTED	Mode supported by hardware configuration.
TTY	TTY Output functions supported by BIOS.
COLOR	Color mode (otherwise monochrome)
GRAPHICS	Graphic mode (otherwise text)
VGA	VGA compatible.
VGA_PAGED	VGA compatible windowed memory mode is available.
LFB	Linear frame buffer mode is available.

The documentation for this struct was generated from the following file: