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  • #1487

Closed
Open
Created Sep 25, 2019 by Bugzilla Migration User@bugzilla-migration

OpenGL functions block for serveral ms when used with EGL

Submitted by Rainer Hochecker

Assigned to Intel 3D Bugs Mailing List

Link to original bug (#91395)

Description

We just moved Kodi (http://kodi.tv/) from glx to egl. With vsync enabled glx was used to block in glxSwapBuffers. EGL shows timing issues. Instead of blocking in eglSwapBuffers it blocks in subsequent gl calls like glColor for several ms. It even does so if I put a glFinish right after eglSwapBuffers. Rendering overlays on top of video leads to missed frames because it slows down rendering even more.

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