After setting up the debug log I get the below output, when my code call
FBOViewportPtr->render()
-------------------- debug log content -------------
WARNING: I need GL_EXT_framebuffer_object-Extension!
INFO: Window::getFunction: function "glDrawRangeElementsEXT" is NULL!
INFO: Window::getFunction: function "glTexImage3DEXT" is NULL!
INFO: Window::getFunction: function "glTexSubImage3DEXT" is NULL!
INFO: Window::getFunction: function "glCompressedTexImage1DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage1DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexImage2DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage2DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexImage3DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage3DARB" is NULL!
INFO: FBOViewport::render: (Re)Allocating image for read-back.
INFO: Window::getFunction: function "glTexSubImage3DEXT" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage1DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage2DARB" is NULL!
INFO: Window::getFunction: function "glCompressedTexSubImage3DARB" is NULL!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
WARNING: Texture-Creation OpenGL Error: invalid enumerant!
--------------------------------------------
I summarize from the above that the graphics card on the Win2003 server does
not support OpenGL.
And thus my code fails.
But my application is a dll, which can generate a thumbnail image of a 3D
model. I don't want to render it to any display, only render to file.
My new question:
Is it possible to setup OpenSG such that it can render a thumbnail of a 3D
model, even on computers where no OpenGL drivers are installed.
Thanks.
________________________________
Fra: [EMAIL PROTECTED] på vegne af Carsten Neumann
Sendt: to 10-07-2008 15:47
Til: [email protected]
Emne: Re: [Opensg-users] FBOViewportPtr->render() crash on Windows 2003
Hello Thomas,
Thomas Pedersen wrote:
> Hi.
>
> I have a DLL that render an image in the background on windows XP
> without problems. (Tested on several machines)
> But when I try to move it to my Win2003 server (have tried two different
> Win2003 servers) then it hang in the
>
> FBOViewportPtr->render()
>
> function call.
>
> Have any of you seen this problem before?
>
> How can I best debug it. I cannot install the debugger on the server.
> (but I can use MessageBox("some message"))
you can try setting the environment variable OSG_LOG_LEVEL to DEBUG,
maybe that gives some hint on what goes wrong or where it gets stuck.
Hope it helps,
Carsten
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