Hello,
IM wrote:
> I'm using openSG 1.8 ( dailybuild 9 Nov 2009 ) for a personal project
> but I have some issues.
[SNIP]
> And here is the output:
>
> Distance maps initialization complete!
> WARNING: 8cd9: framebuffer FRAMEBUFFER_DIMENSIONS
this is the OpenGL error (framebuffer status):
GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT. The spec for
GL_EXT_framebuffer_object (which is the extension used by the
FBOViewport) requires all render buffers to have the same size.
Do you ever attach textures/images to an FBOViewport that are smaller
than ones used in a previous pass? Does your ping-pong algorithm require
any of the intermediate images? If not you can ping-pong between the
same images and restrict rendering to a part of the image with the
FBOViewports left, right, top, bottom settings - i.e. make use of the
fact that it is a Viewport ;)
> WARNING:
> (f:\devel\opensg\source\system\state\osgtexturechunk.cpp,1788):
> TextureChunk::activate precheck failed: (null) (0x506)
> WARNING:
> (f:\devel\opensg\source\system\state\osgtexturechunk.cpp,2411):
> TextureChunk::deactivate precheck failed: (null) (0x506)
My guess would be that both of these are fallout from the FBO error
there are one or more OpenGL errors queued and the precheck for
activating the Textures just is the first place they are being caught.
Cheers,
Carsten
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