openscenegraph and N900
 

hello guys,
i've tried to use openscenegraph from the repositories but have not succeeded yet. are there anyone able to run examples from the package? could you please share your experiance?

many thanks in advane.
littleSev

Re: openscenegraph and N900
 

How did it not work? What did you do? What did you expect?

Re: openscenegraph and N900
 

for example, after calling osglogo in terminal, i expected to get a result similar to when it run in a pc. but i got only white full screen and when i stopped the program, there were warning/error messages in the terminal.

Warning: gluTesselation not supported.
Warning: gluTesselation not supported.
Warning: gluTesselation not supported.
Warning: font file "fonts/arial.ttf" not found.
GraphicsWindowX11::init() - eglInitialize() succeded eglMajorVersion=1 iMinorVersion=4
GraphicsWindowX11::init() - window created =1
State::convertShaderSourceToOsgBuiltIns()
++Before Converted source

void main()
{
gl_Position = ftransform();
gl_FrontColor = gl_Color;
}

++++++++
-------- Converted source
uniform mat4 osg_ModelViewProjectionMatrix;
attribute vec4 osg_Color;
attribute vec4 osg_Vertex;

void main()
{
gl_Position = osg_ModelViewProjectionMatrix * osg_Vertex;
gl_FrontColor = osg_Color;
}

----------------
VERTEX glCompileShader "" FAILED
VERTEX Shader "" infolog:
Compile failed.
ERROR: 0:8: 'gl_FrontColor' : undeclared identifer
ERROR: 0:8: 'assign' : cannot convert from 'attribute 4-component vector of float' to 'float'
ERROR: 2 compilation errors. No code generated.


FRAGMENT glCompileShader "" FAILED
FRAGMENT Shader "" infolog:
Compile failed.
ERROR: 0:4: 'vec4' : No precision defined for this type
ERROR: 0:5: 'vec4' : No precision defined for this type
ERROR: 0:6: 'gl_Color' : undeclared identifer
ERROR: 3 compilation errors. No code generated.


State's vertex attrib binding 2, osg_Color
State's vertex attrib binding 7, osg_FogCoord
State's vertex attrib binding 3, osg_MultiTexCoord0
State's vertex attrib binding 4, osg_MultiTexCoord1
State's vertex attrib binding 5, osg_MultiTexCoord2
State's vertex attrib binding 6, osg_MultiTexCoord3
State's vertex attrib binding 7, osg_MultiTexCoord4
State's vertex attrib binding 1, osg_Normal
State's vertex attrib binding 6, osg_SecondaryColor
State's vertex attrib binding 0, osg_Vertex
glLinkProgram "" FAILED
Program "" infolog:
Link Error: Vertex shader was not successfully compiled.
Link Error: Fragment shader was not successfully compiled.

Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
Warning: Material::apply(State&) - not supported.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: Text::renderWithPolygonOffset(..) not implemented.
Warning: AlphaFunc::apply(State&) - not supported.
Warning: TexEnv::apply(State&) - not supported.
Warning: detected OpenGL error GL_INVALID_OPERATION at after RenderBin::draw(..)
Warning: Material::apply(State&) - not supported.
W

Re: openscenegraph and N900
 

I'd start with trying to get the shader programs to compile. There are definite differences between OpenGL and OpenGLES.