From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 105256] Slow performance using glDrawElementsBaseVertex
Date: Mon, 26 Feb 2018 16:46:01 +0000 [thread overview]
Message-ID: <bug-105256-502@http.bugs.freedesktop.org/> (raw)
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https://bugs.freedesktop.org/show_bug.cgi?id=105256
Bug ID: 105256
Summary: Slow performance using glDrawElementsBaseVertex
Product: Mesa
Version: 17.3
Hardware: Other
OS: Linux (All)
Status: NEW
Severity: normal
Priority: medium
Component: Drivers/Gallium/r600
Assignee: dri-devel@lists.freedesktop.org
Reporter: logan@bacoosta.com
QA Contact: dri-devel@lists.freedesktop.org
Original application bug report here:
https://github.com/gonetz/GLideN64/issues/1561
This bug happens using mupen64plus (N64 emulator) and the GLideN64 graphics
plugin.
The application uses VBO streaming
(https://www.khronos.org/opengl/wiki/Buffer_Object_Streaming) using
ARB_buffer_storage to upload the VBO data.
Multiple users that when using Mesa + r600 driver, the performance was abysmal.
It turns out that converting the glDrawElementsBaseVertex calls to glDrawArrays
fixed the problem.
You can see the commit that fixed the problem here:
https://github.com/loganmc10/GLideN64/commit/9bcfa67d9550c7f1cd4ba72f657facd66a4d27e4
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next reply other threads:[~2018-02-26 16:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-26 16:46 bugzilla-daemon [this message]
2018-02-26 18:47 ` [Bug 105256] Slow performance using glDrawElementsBaseVertex bugzilla-daemon
2018-02-26 19:05 ` bugzilla-daemon
2018-02-26 19:55 ` bugzilla-daemon
2018-02-26 20:05 ` bugzilla-daemon
2018-02-27 0:41 ` [Bug 105256] Slow performance using glDrawElements calls with GL_UNSIGNED_BYTE indices bugzilla-daemon
2018-02-27 3:29 ` bugzilla-daemon
2018-03-11 7:56 ` bugzilla-daemon
2019-09-18 19:25 ` bugzilla-daemon
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