Re: [meta-fsl-arm PATCH 8/8] qt4: Enable OpenGL ES2 support for i.MX6

[Sandoval Gonzalez Leonardo-B42214 <B42214@freescale.com>]

I think Francisco did not get last email.

Francisco, 
please mention the testing you did.

Leo
________________________________________
From: otavio.salvador@gmail.com [otavio.salvador@gmail.com] on behalf of Otavio Salvador [otavio@ossystems.com.br]
Sent: Wednesday, July 31, 2013 10:03 PM
To: Eric Nelson
Cc: meta-freescale Mailing List; Sandoval Gonzalez Leonardo-B42214; Carrillodominguez Francisco Alberto-B35153
Subject: Re: [meta-freescale] [meta-fsl-arm PATCH 8/8] qt4: Enable OpenGL ES2 support for i.MX6

On Tue, Jul 30, 2013 at 3:20 PM, Eric Nelson
<eric.nelson@boundarydevices.com> wrote:
> Hi all,
>
>
> On 07/17/2013 11:17 AM, Otavio Salvador wrote:
>>
>> The Vivante libraries need some special linking as it has a more
>> modular design which thus require a specific set of mkspec changes to
>> make it to work. This change makes the linking to work when building
>> against Vivante libraries for i.MX6 SoCs.
>>
>>
>> <snip>
>
>>
>>
>> diff --git a/recipes-qt/qt4/qt4-x11-free_4.8.5.bbappend
>> b/recipes-qt/qt4/qt4-x11-free_4.8.5.bbappend
>> index 74bfb31..4c4d0c9 100644
>> --- a/recipes-qt/qt4/qt4-x11-free_4.8.5.bbappend
>> +++ b/recipes-qt/qt4/qt4-x11-free_4.8.5.bbappend
>> @@ -9,6 +9,7 @@ PACKAGE_ARCH_mx5 = "${MACHINE_ARCH}"
>>   QT_GLFLAGS_mx5 = "-opengl es2 -openvg"
>>   QT_CONFIG_FLAGS_append_mx5 = " -I${STAGING_KERNEL_DIR}/include/"
>>
>> -DEPENDS_append_mx6 = " virtual/kernel"
>> +DEPENDS_append_mx6 = " virtual/kernel virtual/libgles2"
>>   PACKAGE_ARCH_mx6 = "${MACHINE_ARCH}"
>> -QT_CONFIG_FLAGS_append_mx6 = " -I${STAGING_KERNEL_DIR}/include/"
>> +QT_GLFLAGS_mx6 = "-opengl es2 -openvg"
>> +QT_CONFIG_FLAGS_append_mx6 = " -I${STAGING_KERNEL_DIR}/include/ -DLINUX=1
>> -DEGL_API_FB=1"
>> diff --git a/recipes-qt/qt4/qt4/mx6/g++.conf
>> b/recipes-qt/qt4/qt4/mx6/g++.conf
>
>
> This patch seems to work perfectly for me, but I'm a bit confused
> about what it actually enables in Qt.
>
> Neither the QGLWidget examples like hellogl_es2 or the QML-based
> shadereffects demos seem to run.
>
> Is there a sample program that shows how to access OpenGL/ES from Qt?
>
> I'm trying to grok what the glue between glimagesink and a Qt
> application should look like.

I am adding Leonardo and Francisco, who did the tests on this, so they comment.

--
Otavio Salvador                             O.S. Systems
http://www.ossystems.com.br        http://projetos.ossystems.com.br
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