r_efi/protocols/
graphics_output.rs

1//! Graphics Output Protocol
2//!
3//! Provides means to configure graphics hardware and get access to
4//! framebuffers. Replaces the old UGA interface from EFI with a
5//! VGA-independent API.
6
7pub const PROTOCOL_GUID: crate::base::Guid = crate::base::Guid::from_fields(
8    0x9042a9de,
9    0x23dc,
10    0x4a38,
11    0x96,
12    0xfb,
13    &[0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a],
14);
15
16#[repr(C)]
17#[derive(Clone, Copy, Debug)]
18pub struct PixelBitmask {
19    pub red_mask: u32,
20    pub green_mask: u32,
21    pub blue_mask: u32,
22    pub reserved_mask: u32,
23}
24
25pub type GraphicsPixelFormat = u32;
26
27pub const PIXEL_RED_GREEN_BLUE_RESERVED_8_BIT_PER_COLOR: GraphicsPixelFormat = 0x00000000;
28pub const PIXEL_BLUE_GREEN_RED_RESERVED_8_BIT_PER_COLOR: GraphicsPixelFormat = 0x00000001;
29pub const PIXEL_BIT_MASK: GraphicsPixelFormat = 0x00000002;
30pub const PIXEL_BLT_ONLY: GraphicsPixelFormat = 0x00000003;
31pub const PIXEL_FORMAT_MAX: GraphicsPixelFormat = 0x00000004;
32
33#[repr(C)]
34#[derive(Clone, Copy, Debug)]
35pub struct ModeInformation {
36    pub version: u32,
37    pub horizontal_resolution: u32,
38    pub vertical_resolution: u32,
39    pub pixel_format: GraphicsPixelFormat,
40    pub pixel_information: PixelBitmask,
41    pub pixels_per_scan_line: u32,
42}
43
44#[repr(C)]
45#[derive(Clone, Copy, Debug)]
46pub struct Mode {
47    pub max_mode: u32,
48    pub mode: u32,
49    pub info: *mut ModeInformation,
50    pub size_of_info: usize,
51    pub frame_buffer_base: crate::base::PhysicalAddress,
52    pub frame_buffer_size: usize,
53}
54
55#[repr(C)]
56#[derive(Clone, Copy, Debug)]
57pub struct BltPixel {
58    pub blue: u8,
59    pub green: u8,
60    pub red: u8,
61    pub reserved: u8,
62}
63
64pub type BltOperation = u32;
65
66pub const BLT_VIDEO_FILL: BltOperation = 0x00000000;
67pub const BLT_VIDEO_TO_BLT_BUFFER: BltOperation = 0x00000001;
68pub const BLT_BUFFER_TO_VIDEO: BltOperation = 0x00000002;
69pub const BLT_VIDEO_TO_VIDEO: BltOperation = 0x00000003;
70pub const BLT_OPERATION_MAX: BltOperation = 0x00000004;
71
72pub type ProtocolQueryMode = eficall! {fn(
73    *mut Protocol,
74    u32,
75    *mut usize,
76    *mut *mut ModeInformation,
77) -> crate::base::Status};
78
79pub type ProtocolSetMode = eficall! {fn(
80    *mut Protocol,
81    u32,
82) -> crate::base::Status};
83
84pub type ProtocolBlt = eficall! {fn(
85    *mut Protocol,
86    *mut BltPixel,
87    BltOperation,
88    usize,
89    usize,
90    usize,
91    usize,
92    usize,
93    usize,
94    usize,
95) -> crate::base::Status};
96
97#[repr(C)]
98pub struct Protocol {
99    pub query_mode: ProtocolQueryMode,
100    pub set_mode: ProtocolSetMode,
101    pub blt: ProtocolBlt,
102    pub mode: *mut Mode,
103}
r_efi/protocols/graphics_output.rs

r_efi/protocols/
graphics_output.rs
