Thanks Johannes, changes now merged and submitted to svn/trunk.

On Mon, Apr 18, 2011 at 8:57 AM, Johannes Baeuerle <[email protected]> wrote:
> Hi Robert,
>
> I have extended the pvr reader plugin to support etc1 
> compression(GL_ETC1_RGB8_OES). The changes attached to this submission are 
> based on today's trunk.
>
> The pvr format which can be used as a wrapper for different compressed and 
> uncompressed formats supports this compression algorithm. The original pvr 
> compression uses the pvrtc format. The handling of pvrtc is already 
> implemented in the pvr plugin. PVR provides wrapper functionality for some 
> formats, e.g. etc or even dxt/dds.
>
> Our target system (gles2) is able to use the etc compression format. With 
> minor changes in the submitted files, there is no need to write a separate 
> plugin. However the original pvr texture compression formats are not 
> supported on our target, which is the reason for this extension.
>
> The changes mainly consist in the definition on new enum values in the 
> classes and headers of ReaderWriterPVR,Image and Texture. I also found some 
> locations where the handling of the original pvr textures was not 
> implemented. These are also part of this submission.
>
> With this changes etc compressed textures work fine on our target. I think 
> this submission might be useful for others, too.
>
> Thank you!
>
> Cheers,
> Johannes
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=38554#38554
>
>
>
>
> Attachments:
> http://forum.openscenegraph.org//files/osg_138.zip
>
>
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