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From: L A Walsh <cygwin@tlinx.org>
To: cygwin@cygwin.com
Subject: Re: XWin can't hold OpenGL picture, has WS_DISABLED and WS_EX_TRANSPARENT styles?
Date: Mon, 11 Nov 2019 20:58:00 -0000	[thread overview]
Message-ID: <5DC9CB61.5020304@tlinx.org> (raw)
In-Reply-To: <345212924.4774581.1573291267579.JavaMail.zimbra@wildblue.net>

On 2019/11/09 01:21, Mick Pearson wrote:
> XWin has never had a permanent picture with OpenGL. 
???

Not sure what thing you are talking about -- but some/many opengl
progs seem to work with XWin across a local network (using programs
on my linux box, and display via Cygwin X).

Many of them operate at full speed, but depends on application:
> glxspheres
Polygons in scene: 62464
libGL error: failed to load driver: swrast ***
Visual ID of window: 0x2c6
Context is Indirect
OpenGL Renderer: GeForce GTX 1080/PCIe/SSE2
3220.365264 frames/sec - 3593.927634 Mpixels/sec
59.853303 frames/sec - 66.796286 Mpixels/sec
59.854641 frames/sec - 66.797779 Mpixels/sec
43.856578 frames/sec - 48.943941 Mpixels/sec
150.846871 frames/sec - 168.345108 Mpixels/sec
36.137460 frames/sec - 60.207032 Mpixels/sec
---
different values were for different window sizes.

*** - this failed to load driver is a bogus msg that comes out
with any/all programs that use an indirect context...

The screen's refresh is 60Hz.

> Any movement "damages" all windows. 
---
I don't understand what you mean by this -- I can move the rendering
window around and resize it and don't see any other windows needing
a refresh (most are Xwin from my linux box).


Anyway, thought I'd chime in.  Of note --
glxgears sometimes works but is often frozen upon startup.

-l


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      parent reply	other threads:[~2019-11-11 20:58 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-09  9:21 Mick Pearson
2019-11-09  9:49 ` Mick Pearson
2019-11-13  7:27   ` Mick Pearson
2019-11-16 17:03     ` Mick Pearson
2019-11-16 17:31       ` Brian Inglis
2019-11-22  6:57         ` Jon Turney
2019-11-11 20:58 ` L A Walsh [this message]

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