My critique on the announcement though: I’m glad to see srgb-linear and display-p3-linear supported on the canvas context, but, a “linear relationship between pixel values and physical luminance” is an alluring bridge to nowhere. You almost certainly do NOT want this to be the image formation choice in your game.
Oct 12, 2026, 6:05 AM"ideal for physical light rendering", ah, yes, *that* bit. I assume that as an *intermediate* rendering target it would be fine, but the window system framebuffer is completely another thing.
One would never send physical light rendered data to the window system (a browser counts as a window system) because it's not a picture yet.
@pq Yep! Unfortunately the target here is as close as a webpage can get to the window system framebuffer—once written it’s too late for the webpage itself to apply tone mapping.
I assume they’re planning to add some browser-provided tonemapping (PQ?) without telling the webpage much about the display. Not a workable way to make pictures…