| commit | acaa5d3cf0e52519fe4648a0c9e8e04375ad5589 | [log] [tgz] |
|---|---|---|
| author | Nikita Putikhin <nputikhin@google.com> | Thu Aug 08 10:02:08 2024 +0000 |
| committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Thu Aug 08 10:02:08 2024 +0000 |
| tree | 7335891701eb4ec5ada1c4f4f4df0d392f284726 | |
| parent | 62b771459d1059c7787b9bb3f132c42e49a97555 [diff] | |
| parent | bc08bb024e105440b15632507349f653f4f248e4 [diff] |
Merge "Remove nputikhin@google.com from OWNERS" into main am: bc08bb024e Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/gbm/+/3191010 Change-Id: I59e731ae7bc6606b54c9f006a88a1dca3250d312 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
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();