Multiboot::Framebuffer Struct Reference

Video mode: Framebuffer. More...

#include <boot/multiboot/data.h>

Public Types
enum	Type : uint8_t {   INDEXED = 0,   RGB = 1,   EGA_TEXT = 2 }

Public Attributes
uint64_t	address
	Physical address of the framebuffer.
uint32_t	pitch
	Number of bytes per row.
uint32_t	width
	Width of framebuffer.
uint32_t	height
	Height of framebuffer.
uint8_t	bpp
	Bits per pixel.
enum Multiboot::Framebuffer::Type	type
union {
struct {
uint32_t	palette_addr
	Address of an array with RGB values.
uint16_t	palette_num_colors
	Number of colors (in array above)
}
	For INDEXED type.
struct {
uint8_t	offset_red
	Offset of red value.
uint8_t	bits_red
	Bits used in red value.
uint8_t	offset_green
	Offset of green value.
uint8_t	bits_green
	Bits used in green value.
uint8_t	offset_blue
	Offset of blue value.
uint8_t	bits_blue
	Bits used in blue value.
}
	For RGB type.
};

Detailed Description

Video mode: Framebuffer.

This beautiful structure contains everything required for using the graphic framebuffer in a very handy manner – however, it may not be well supported by current boot loaders... These information can be retrieved from VBE as well, though you then have to parse these huge structures containing a lot of useless stuff.

Member Enumeration Documentation

Type

enum Multiboot::Framebuffer::Type : uint8_t

Enumerator
INDEXED	Using a custom color palette.
RGB	Standard red-green-blue.
EGA_TEXT	Enhanced Graphics Adapter color palette.

---

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

• boot/multiboot/data.h