Sync light state, bound shader, and various gl context states similarly to render matrices.
Texture handles now refcounted, as multiple viewer textures could ref the same handle (cubemaps do this)
Clean up gl extension loading a bit. Not necessary, but only look for ARB variants if not included in current core version. Removed unused extensions.
Use core shader api if supported, else use ARB. (FN signatures are identical. Just doing some pointer substitution to ARB if not core.)
Attempt at improving VBO update batching. Subdata updates better batched to gether per-frame.
There's probably other stuff I forgot that is in this changeset, too.
Todo: Fix lightstate assertion when toggling fullscreen with shaders off.
Applies ALCH-420 - Replace all invisiprims with fully transparent texture and remove dead code paths
-ARC no longer takes invisis into consideration.
Syncs some script keywords updates.
Changes all "\n" in llfloaterabout.cpp to '\n' because screw.dat
Added SEND_UDP_REQ and WAIT_UDP_REQ fetch states.
Parse 'content-range' from headers.
Purge 'complete' textures from the cache if they lack 'end of codestream' marker.
Added boostlevel/category to textureview display.
More diagnostic output.
Discard handling tweaks/bugfixes from v3.
Adds throttling based on on average bandwidth usage per HTTP service.
Since only HTTP textures are using this, they are still starved by other
services like inventory and mesh dowloads. Also, it will be needed to
move the maximum number of connections per service the to the PerService
class, and dynamically tune them: reducing the number of connections is
the first thing to do when using too much bandwidth.
I also added a graph for HTTP texture bandwidth to the stats floater.
For some reason the average bandwidth (over 1 second) look almost like
scattered noise... weird for something that is averaged...
Replaces LLTextureFetch::getNumHTTPRequests.
Returns AICurlInterface::Stats::running_handles.
This is work in progress that temporarily doesn't compile because
LLTextureFetch::getNumHTTPRequests is still being used somewhere.
Recognizes .jp2, .j2c and .j2k extensions.
Adds image/jp2 files to file picker image filter (windows and Mac,
windows apparently already showed them).
Show preview for jpeg 2000 files.
Fixes error reporting for failed image uploads.
Enforces a power-of-two size for jpeg 2000 files (seemed to make sense to do that).
Without this fix, we trigger an assert, in debug mode, that was added
to Singularity exactly to find out if we called functions like
getExpandedFilename(LL_PATH_PER_SL_ACCOUNT ...) before logging in.
Checking if THAT function returns empty() is clearly not safe, but
very error prone.
