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* Prevent the Tight encoder (specifically packPixels*()) from accidentally ↵DRC2012-02-134-31/+41
| | | | | | using the framebuffer as an intermediate buffer. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/branches/1_2@4851 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Be more liberal with const in places where write access isn't needed.Pierre Ossman2012-01-305-11/+11
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4840 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix a race condition where we might get updates thrown at us right after aPierre Ossman2012-01-233-1/+36
| | | | | | | | framebuffer switch, but before we've been given the pointer to the new framebuffer. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4839 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Changing the deferred update timer to 10 ms caused a large performance ↵DRC2011-12-221-1/+1
| | | | | | regression on video/3D apps, and until we can quantify the benefits of a larger DUT value, it was decided that it should be changed back to 1 ms for the 1.2 release. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4825 3789f03b-4d11-0410-bbf8-ca57d06f2519
* We need to explicitly trigger a framebuffer update for server side renderedPierre Ossman2011-12-211-1/+3
| | | | | | | | cursors. Previously this happened to work anyway because we had a lot of triggers for updates. After the cleanup, we need to be more explicit. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4824 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Increase the default compression level to cater to a broader range of usersPierre Ossman2011-11-202-2/+3
| | | | | | | | (bandwidth is often the limiting factor, rather than CPU). Further increases give little returns, so 2 is currently deemed the best tradeoff. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4811 3789f03b-4d11-0410-bbf8-ca57d06f2519
* The block size for the comparing update tracker was inefficently low. RaisingPierre Ossman2011-11-201-1/+1
| | | | | | | | it from 16 to 64 pixels significantly reduces the CPU overhead in many cases, without sacrificing much in what it detects. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4810 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Make the comparing update tracker a bit more flexible. It can now be in anPierre Ossman2011-11-208-21/+91
| | | | | | | | | "auto" state where it will be enabled until we deem that the client is better of without it (currently triggered by explicitly stating a low compression level). git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4809 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Cork the connection around updates to better use the congestion windowPierre Ossman2011-11-151-3/+11
| | | | | | | as we might send out multiple small packets git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4804 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Server implementation of continuous updates, including advanced flow control.Pierre Ossman2011-11-152-10/+292
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4803 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Basic infrastructure for continuous updates.Pierre Ossman2011-11-1421-1/+102
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4801 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Implement proper support for fences in the server.Pierre Ossman2011-11-142-1/+63
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4799 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Basic infrastructure to support fences.Pierre Ossman2011-11-1424-12/+223
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4798 3789f03b-4d11-0410-bbf8-ca57d06f2519
* The CopyRect encoding is very efficient so it is wasteful to check thosePierre Ossman2011-11-101-3/+1
| | | | | | | | | areas here. It also makes the CUT counter-productive in some cases as it tends to expand small changes to BLOCK_SIZE (16 pixels) because of the copy regions. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4788 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix issue uncovered with valgrindDRC2011-11-091-1/+1
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4787 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Use the correct matching free operation. Patch by Matthieu Lochegnies.Pierre Ossman2011-11-091-1/+1
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4786 3789f03b-4d11-0410-bbf8-ca57d06f2519
* The source data here is RGB triplets, not "pixels".Pierre Ossman2011-11-081-3/+1
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4785 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Reimplement the deferred update handling, this time in a more robust andPierre Ossman2011-11-084-25/+100
| | | | | | | well-behaved manner. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4784 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Add helper to easily determine how much time has passed since some previousPierre Ossman2011-11-082-0/+21
| | | | | | | event. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4783 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Cork the outgoing TCP stream while we still have messages to process. ThisPierre Ossman2011-11-081-0/+8
| | | | | | | allows more efficent use of the congestion window as we will send fewer packets. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4782 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Avoid some unnecessary processing when server side cursor isn't used (whichPierre Ossman2011-11-081-2/+4
| | | | | | | is the common case). git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4780 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Clean up the interface for VNCSConnectionST. Entry points are more apparentPierre Ossman2011-11-076-90/+102
| | | | | | | and the data flow is now more strictly aimed towards this connection class. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4771 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Add fast paths for RGB to 16-bit and 8-bit true color conversionDRC2011-11-041-0/+22
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4764 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Further optimizations (avoiding single-byte copies and InStream processing ↵DRC2011-11-042-53/+40
| | | | | | overhead) git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4763 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Since fillRect() operates directly on the framebuffer, optimize it and ↵DRC2011-11-033-63/+68
| | | | | | remove the separate version in TightDecoder. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4762 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Remove unneeded EXTRA_ARGS definitionDRC2011-11-031-1/+0
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4761 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Need to include os/print.h, because Windows doesn't have snprintf()DRC2011-11-031-0/+1
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4760 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Move JPEG decoding into a standalone class (these should have been checked ↵DRC2011-11-032-0/+293
| | | | | | in with r4757. Oops.) git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4758 3789f03b-4d11-0410-bbf8-ca57d06f2519
* If the client and server are using identical pixel formats, then perform ↵DRC2011-11-037-240/+232
| | | | | | Tight decoding directly into the viewer's back buffer, rather than going through the slow fillRect/imageRect routines. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4757 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Put arguments in a more consistent order based on data flow, in order to ↵DRC2011-11-032-38/+41
| | | | | | improve readability git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4756 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix compiler warnings uncovered with -WallDRC2011-11-033-4/+2
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4755 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Rename and document TransImageGetter::getPixelsRW() to make it more obviousPierre Ossman2011-11-033-4/+8
| | | | | | | that it bypasses the normal conversion logic. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4754 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix compiler warnings uncovered with -WallDRC2011-11-034-4/+3
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4752 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Don't try to push out another update if the socket is already full. ThisPierre Ossman2011-10-252-3/+41
| | | | | | | avoids stalling the entire server because of one slow client. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4737 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Make sure RFB timers are actually respected by the server implementations.Pierre Ossman2011-10-251-0/+3
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4736 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fixed the formatting of a few Cendio copyright lines, so that it isPeter Åstrand2011-09-283-3/+3
| | | | | | | | consistent with the rest of the code. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4677 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Internalise the libjpeg stuff into the JpegCompressor class as the libjpegPierre Ossman2011-09-072-64/+77
| | | | | | | headers are a bit conflict prone. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4669 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Remove unused variablesDRC2011-08-241-1/+0
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4655 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Move setting of PIC code to a central locationDRC2011-08-231-8/+0
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4648 3789f03b-4d11-0410-bbf8-ca57d06f2519
* CMake doesn't handle convenience libraries as nicely as autotools does. WePierre Ossman2011-08-221-0/+8
| | | | | | | need to be explicit with -fPIC here as we use these in libvnc.so. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4645 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Do register reduction to re-normalize the performance at the low levelDRC2011-08-192-12/+26
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4643 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix image corruption issues with, and add a few optimizations for, 16bpp clientsDRC2011-08-192-11/+18
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4642 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Add support for TurboVNC pseudo-encodings and Grayscale JPEG compression so ↵DRC2011-08-1910-12/+77
| | | | | | that, when a TurboVNC viewer is connected, the TigerVNC Server will behave exactly like the TurboVNC Server. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4641 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Make rawBytesEquivalent an unsigned 64-bit integer. Otherwise, it will ↵DRC2011-08-192-3/+3
| | | | | | overflow in less than a minute if using a full-screen video or 3D application. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4639 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Fix compiler warning in Visual C++DRC2011-08-191-3/+3
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4638 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Need to include os/print.h to use snprintf on WindowsDRC2011-08-171-0/+1
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4634 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Disable ComparingUpdateTracker by default for now, because it generates a ↵DRC2011-08-171-1/+1
| | | | | | lot of CPU overhead (let's see if anyone notices that it's gone) git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4633 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Further optimizations to the Tight encoder to eliminate getImage() overhead. ↵DRC2011-08-1723-273/+460
| | | | | | The encoder now directly accesses the framebuffer for solid rectangle computation, JPEG encoding, and color counting (if pixel translation is not required.) Also moved everything in tightEncode.h into the TightEncoder class to eliminate all of the static mess (this will be important later on if we decide to multi-thread the encoder.) git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4631 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Ported encoding optimizations from TurboVNC. The changes to the Tight ↵DRC2011-08-118-232/+636
| | | | | | parameters were determined through extensive low-level profiling (see http://www.virtualgl.org/pmwiki/uploads/About/turbototiger.pdf). The other enhancements involved: (1) porting the solid subrectangle pre-computation code from TightVNC/TurboVNC (it makes a pretty big difference-- see report), (2) encapsulating the JPEG encoder in its own class (this eliminates a buffer copy, and the JPEG buffer is now set to a decent size where it shouldn't ever need to be paged or re-allocated, except in rare corner cases), (3) adding support for last rect. encoding (necessary to support the solid rectangle pre-computation enhancements. git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4626 3789f03b-4d11-0410-bbf8-ca57d06f2519
* Merge further fixes to Zlib encoder from 1.1 branchDRC2011-08-091-5/+7
| | | | git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4623 3789f03b-4d11-0410-bbf8-ca57d06f2519
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