Hi Sebastian,
setUseVertexAttributeAliasing should be active, when you are using
osg_Vertex etc.
It might be, that the driver on your first machine simply assigns the
"in-slot" accidentally to the correct input.
Are there any outputs on the console?
My mistake, my shader should obviously use gl_Vertex, and not
osg_Vertex. I failed a copy/paste and did not double-checked.
But to answer your question, there is no console output at all (no
warnings or fails) related to the shaders, even with osg::setNotifyLevel
set to most verbose option.
I will check my shader as soon as I can but I'm almost sure the problem
was from this gl_Vertex mistake.
Thank you,
Pierre-Jean
If this is not working two hints:
1. #pragma version 150 compatibility
The version is epxected to be the first line in any shader.
2.Use gl_ instead on osg_ attributes and uniforms for testing fixed
function.
I saw a strange thing in the log : on Mac gl_MultiTexCoord0 is
converted to osg_MultiTexCoord0 even if
setUseVertexAttributeAliasing is set to false. On Linux
gl_MultiTexCoord0 is not converted and is keeped.
By the way if I set setUseVertexAttributeAliasing to true and replace
gl_MultiTexCoord0 by osg_MultiTexCoord0, my model is properly visible
(but I don't want that because I lose fixed pipeline functions).
Cannot say anything on the first issue, but you are not "loosing" any
functionality by using the aliasing. OSG will simply replace gl_ names
with its osg_ aliases when uploading the shader to the driver. All
other functions will still work as expected.
Has anybody an idea of where this behavior comes from ?
As I said, drivers will do stuff behind your back. So a shader with
obvious errors might run one machine while failing on another.
Cheers
Sebastian
Thank you!
Cheers,
Pierre-Jean
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=66344#66344
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