Hi,
I'm trying to run some complex OSG models from someone else on OpenGLES2. I've
built the OSG with configuration as described here (slightly different for OSG
versions):
http://trac.openscenegraph.org/projects/osg//wiki/Community/OpenGL-ES. I've
tried different versions of OSG (2.9.6, 3.0.1, 3.4.0) to make sure, and what I
see is pretty much the same.
I added the precision qualifiers to the OSG model, and shaders compiled. When I
run, I don't see any notable messages, even with OSG_NOTIFY_LEVEL=DEBUG, but
the rendered result doesn't look correct: Most of surfaces are transparent.
GraphicsWindowX11::init() - eglInitialize() succeeded eglMajorVersion=1
iMinorVersion=4
GraphicsWindowX11::init() - window created =1
Warning: detected OpenGL error 'invalid enumerant' at Before
Renderer::compile
In order to narrow down the problem, I'm trying some examples in
OpenSceneGraph-Data. I still had to add the precision qualifiers to compile,
and I don't see anything on the screen with most of examples. The
glsl_simple.osgt only renders the bottom row of shapes unless I modified the
vertex shader code manually.
So what I'm not sure is if OSG models are completely independent from API
(OpenGL, OpenGLES,,,) because I had to add those precision qualifiers to
compile. Has anyone successfully run the OSG models (from OpenSceneGraph-Data)
on any OpenGLES2.0 platform without any modification? Any tips or input would
be appreciated.
Thanks,
-hyun
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