The assumption is that all images coming from Canvas should be excluded from inclusion into the DDS texture cache.
Previously there was special logic that only excluded transparent images of Canvas origin but this was probably wrong.
This gives knowledge of how to resolve relative paths, to makeEffects
invocation of findDataFile, and hence gives a more familiar lookup
ordering, for Aircraft-supplied effects.
SF-ID: https://sourceforge.net/p/flightgear/codetickets/2678/
The random lights placement algorithm was using the incorrect channel
from the object mask image, (red instead of blue as mentioned in
Docs/README.materials). This commit rectifies the mismatch.
The Canvas camera and texture get recreated in several circumstances.
Calling .release() on a ref_ptr will just return the raw pointer and
'delete' won't be called. The proper way to explicitly delete an object
managed by a ref_ptr is to set the ref_ptr to NULL. This will delete it
as long as it's not referenced by any other ref_ptr.
Attempt to narrow down the source of some fatal exceptions we see
on Senty, which occur during init/startup. All these blocks re-throw
so user behaviour is unchanged, but we’ll log the name of the subsytem.
When an effect defines no shader sources, special case this error to
avoid confusing result from SGProgram.
Add error-context for readNode STG loading, so failures inside an
STG can be attributed
Report errors from readWAV, and improve attribution for the
format error (include the file path). As a result, mark the individual
exceptions as dont-report, since we will report higher up.
Ensure the STG absolute path can be propagated to all files triggered
by STG loading, including the delayed files and proxied files. This
allows us to attribute errors to the correct scenery path.
Allow us to pass the current error-context from the main thread
into the osgDB loader thread. This is necessary so we can attribute
AIModel (etc) load problems to the correct source.
Move sg_location member up to the base clase, since it’s potentially
useful in more types.
Allow suppression of the report callback when the exception is thrown
