The Diagonal Seam

Two more dEQP tests down: dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_mag -- Pass dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_min -- Pass This one was a fun geometry puzzle. The problem Mesa’s u_blitter is the utility that drivers use for framebuffer blits – copying pixel data between surfaces, optionally scaling and filtering. It works by drawing a textured quad: set up the source as a texture, the destination as a render target, and draw a rectangle with the appropriate texture coordinates. Simple.

Brian Kardell visits the Fireside – HTML Accessibility

Fixing the R/B swap the right way

If you’ve ever looked at a GPU render and seen blue where red should be, you’ve met the R/B swap problem. For etnaviv this has been a long-standing source of complexity. We were solving it in the shader, but the proprietary blob driver had a simpler approach all along. As part of my work at Igalia, I finally sat down and did it properly. The problem Vivante GPUs have a quirk: the Pixel Engine (PE) always writes pixels in BGRA byte order. When your API says “render to R8G8B8A8_UNORM”, what actually lands in memory is B, G, R, A. Every byte of every pixel, every frame. The hardware just works that way.

Yeunjoo Choi from Igalia on Chromium - The Consensus

Yeunjoo has worked on web browsers (WebKit and Chromium) for the last 15 years, today she's at the open-source consultancy Igalia.

Yeunjoo Choi from Igalia on Chromium - The Consensus

Yeunjoo has worked on web browsers (WebKit and Chromium) for the last 15 years, today she's at the open-source consultancy Igalia.

PanVK Extension Sprint: Mesa 26.1

Last week marks the Mesa 26.1 branch point, and I wanted to take a moment to look back at what happened on the PanVK front. Spoiler: it was a busy one. The landscape PanVK - the Vulkan driver for Arm Mali GPUs (Valhall and newer) - is a collaborative effort. Collabora has been doing incredible work on the compiler backend and the foundational infrastructure. Arm themselves are actively contributing to the open source Mali GPU stack as well, reviewing patches and pushing driver quality forward. On the Igalia side, my focus this cycle was Vulkan extension coverage. The kind of work that doesn’t make for flashy demos but is absolutely critical for real-world application compatibility - especially for things like DXVK.

halting problem

In which I talk a bit about what I’ve been doing at Igalia in 2025

Introducing Moonforge: A Yocto-Based Linux OS | Igalia

Igalia is an open source consulting firm specialised in the development of innovative projects and solutions. Our engineers have expertise in a wide range of technological areas, including browsers and client-side web technologies, graphics pipeline, compilers and virtual machines. We have the most WPE, WebKit, Chromium/Blink and Firefox expertise found in the consulting business, including many reviewers and committers. Igalia designs, develops, customises and optimises GNU/Linux-based solutions for companies across the globe. Our work and contributions are present in many projects such as GStreamer, Mesa 3D, WebKit, Chromium, etc.