[cairo] Cairo with OpenGLES

Singh Khurdiya Vijay (CM-AI/EAR) Vijay.SinghKhurdiya at de.bosch.com
Fri Jul 22 03:14:14 PDT 2011


Currently I am trying to test some high level graphic toolkit like clutter (Currently testing),gtk...which will use cairo-pango for font rendering.
I have working clutter  with GLES2 flavor (eglx),but test which used Cairo for font rendering are not working properly.(Not getting H/W acceleration..)

What I found up to know is clutter uses Cairo image surface backed for this purpose  but I wanted to try using other surface backed & preferring gles as my test is working.
I would like to know for this purpose can I use your work for testing & latter for extension based on need.

Mit freundlichen Grüßen / Best regards

Vijay Singh Khurdiya

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-----Original Message-----
From: cairo-bounces+vijay.singhkhurdiya=de.bosch.com at cairographics.org [mailto:cairo-bounces+vijay.singhkhurdiya=de.bosch.com at cairographics.org] On Behalf Of Alexandros Frantzis
Sent: Freitag, 22. Juli 2011 12:03
To: Makoto Kato
Cc: cairo at cairographics.org; Singh Khurdiya Vijay (CM-AI/EAR)
Subject: Re: [cairo] Cairo with OpenGLES

On Fri, Jul 22, 2011 at 04:54:18PM +0900, Makoto Kato wrote:
> Linaro is porting it.
> https://wiki.linaro.org/Cycles/1111/TechnicalTopics/Graphics
> http://lists.cairographics.org/archives/cairo/2011-March/021808.html


cairo trunk contains a working gl/gles2 backend (gles 1.1 is not
supported). There are some things that still need work, like shader
workarounds for platforms that don't support GL_OES_texture_npot and
also proper support for reading from/writing to image surfaces (e.g. if
they have a pixel format not natively supported by GLES2). Another
important aspect is performance optimizations.

Other higher priority tasks have been keeping me busy, so I haven't
started looking into these topics yet.


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