| commit | 847ed29509b488e58d6db5c70966762af0de132e | [log] [tgz] |
|---|---|---|
| author | Android Build Coastguard Worker <[email protected]> | Tue May 21 23:13:11 2024 +0000 |
| committer | Android Build Coastguard Worker <[email protected]> | Tue May 21 23:13:11 2024 +0000 |
| tree | f9badcec5d7461ffcac10972777ce8a3915cb852 | |
| parent | 4892b680582ce202c6eab6cff590b8359e091204 [diff] | |
| parent | 5fa5c89761d6436ce5111fa7189fd37776b9f0e4 [diff] |
Snap for 11869550 from 5fa5c89761d6436ce5111fa7189fd37776b9f0e4 to 24Q3-release Change-Id: I8bc6c02a9e09fac7ad2040ce4ea0b8895ece7547
libgbm bindings for rustThe Generic Buffer Manager
This module provides an abstraction that the caller can use to request a buffer from the underlying memory management system for the platform.
This allows the creation of portable code whilst still allowing access to the underlying memory manager.
This library is best used in combination with drm-rs, provided through the drm-support feature.
Add to your Cargo.toml
gbm = "0.14.2"
extern crate drm; extern crate gbm; use drm::control::{self, crtc, framebuffer}; use gbm::{BufferObjectFlags, Device, Format}; // ... init your drm device ... let drm = init_drm_device(); // init a GBM device let gbm = Device::new(drm).unwrap(); // create a buffer let mut bo = gbm .create_buffer_object::<()>( 1280, 720, Format::Argb8888, BufferObjectFlags::SCANOUT | BufferObjectFlags::WRITE, ) .unwrap(); // write something to it (usually use import or egl rendering instead) let buffer = { let mut buffer = Vec::new(); for i in 0..1280 { for _ in 0..720 { buffer.push(if i % 2 == 0 { 0 } else { 255 }); } } buffer }; bo.write(&buffer).unwrap(); // create a framebuffer from our buffer let fb = gbm.add_framebuffer(&bo, 32, 32).unwrap(); // display it (and get a crtc, mode and connector before) gbm.set_crtc(crtc_handle, Some(fb), (0, 0), &[con], Some(mode)) .unwrap();