Chromium Blog
News and developments from the open source browser project
OpenGL ES 2.0 Certification for ANGLE
Monday, November 28, 2011
In March of last year
we introduced
ANGLE as the engine that would power Chrome's GPU rendering on Windows. At the time it was announced,
ANGLE
only supported a subset of the OpenGL ES 2.0 API. Thanks to continued work from TransGaming, in collaboration with Google engineers and other contributors, ANGLE has reached an important milestone: It now passes the rigorous OpenGL ES 2.0 test suite and ANGLE version 1.0 has been certified as a compliant GL ES 2.0 implementation. This is a major step forward for the project, and a major event for OpenGL ES support on Windows.
Mac and Linux already enjoy solid OpenGL support, but on Windows OpenGL drivers are not sufficiently widespread to be relied upon. Using ANGLE allows us to issue OpenGL ES commands in Chrome's graphics systems and not worry about the user's computer having OpenGL drivers -- ANGLE translates these commands into Direct3D 9 API calls.
ANGLE helps Chrome use a single, open graphics standard and remain portable across platforms. Because it's a standalone library, open-source project ANGLE can help other software projects in the same way. Firefox, for instance, is already using ANGLE to render WebGL content on Windows.
ANGLE is a necessary step in our continued efforts to push the web platform forward. Without ANGLE, it would be impossible to reliably run WebGL on many Windows computers, so we couldn't enable great applications like
MapsGL
. We hope WebGL developers and implementors will continue to join us in making ANGLE, and the open web platform, successful.
Posted by Vangelis Kokkevis, Software Engineer
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