https://bugs.freedesktop.org/show_bug.cgi?id=72890
Priority: medium
Bug ID: 72890
Assignee: wayland-b...@lists.freedesktop.org
Summary: wayland/weston EGL/GLESv2 client corruption+flicker on
mesa-10.x r600
QA Contact: mesa-dev@lists.freedesktop.org
Severity: major
Classification: Unclassified
OS: Linux (All)
Reporter: emiet...@edu.lahti.fi
Hardware: x86-64 (AMD64)
Status: NEW
Version: git
Component: EGL/Wayland
Product: Mesa
On my Radeon HD 5770, upgrading from mesa-9.2.5 to either mesa-10.0.1 or
mesa-git master introduces (in both versions) a corruption/flickering bug
concerning wayland/weston EGL/GLESv2 clients. See
http://www.youtube.com/watch?v=RQXE4h-E8PI for a relevant screen capture.
It looks to me as if the glClear(GL_COLOR_BUFFER_BIT) call wasn't actually
coming into effect; instead, previous (or random) color data lingers in the
part of the frame buffer that isn't updated during rendering. The bug doesn't
really manifest itself in a weston client that updates each and every pixel
within each frame during rendering.
setup: Arch Linux x86_64 (Linux 3.12.5),
mesa-git (+ ati-dri-git & mesa-libgl-git). Bug also in 10.0.1 stable.
wayland/weston 1.3.0/1.3.1 as well as git
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