collabora

2018

git reset upstream

Working with a git based project that has a defacto upstream repository means that you perioducally want to fetch the canonical master branch. This can be simplified with a .gitconfig alias. Read full post

kms_swrast: A hardware-backed graphics driver

kms_swrast is a software driver, built upon the Mesa gallium driver framework, which uses kernel kms drm nodes for memory allocation. Read full post

Virtualizing GPU Access

Virtualized GPU access is becoming common in the containerized and virtualized application space. Let's have a look at why and how. Read full post

2017

Building ChromiumOS for Qemu

Getting ChromiumOS building is reasonably easy, but running it under Qemu requires some work. Read full post

Android: NXP i.MX6 on Etnaviv Update

More progress is being made in the area of i.MX6, etnaviv and Android. Read full post

GALLIUM_HUD: Debug Mesa Graphics Performance

Debugging graphics performance in a simple and high-level manner is possible for all Gallium based Mesa drivers. Read full post

Android: NXP i.MX6 Buffer Modifier Support

GPUs like those of Intel and Vivante support storing the contents of graphical buffers in different formats. Support for describing these formats using modifiers has now been added to Android and Mesa, enabling tiling artifact free running of Android on the iMX6 platform. Read full post

Android: Getting up and running on the iMX6

Getting Android up and running on the iMX6 platform using an open source graphics stack has been impossible up until recently, but now you can. Here's a guide through the steps. Read full post

Android: Changing the bootanimation

For various reasons you might want to change the Android boot animation to something other than the stock one, this is how you do it. Read full post

Android: Enabling mainline graphics

Android uses the HWC API to communicate with graphics hardware. This API is not supported on the mainline Linux graphics stack, but by using drm_hwcomposer as a shim it now is. Read full post

Removing the Chromebook Write-Protect screw

Before being able to write firmware data to any production Chromebook device, the Write-Protect screw has to be removed. Read full post

Precompiling APK files during Android AOSP build

By precompiling APK files during AOSP build a few minutes can be shaved off of the development iteration time on most commonly found Android hardware. Read full post

Setting up a ChromiumOS dev environment

Setting up a fully functional ChromiumOS development environment on actual Chromebook hardware Read full post