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Paul Davis b6d0f8f661 canvas: add a drawing-request-freeze/thaw API 
If queue_draw is "frozen", we simply accumulate drawing
requests in a (union) rectangle, and when finally "thawed"
the canvas submits a single redraw request for the entire
accumulated rect.

Although in theory this is all that GTK/GDK does for
draw requests, callgrind reveals significant costs
associated with the actual calltree for GtkWidget::queue_draw_area().

One potential cost is that GDK also maintains a list of
invalidated rectangles in addition to the union, and
for MIDI regions with thousands of notes, this can represent
real overhead. This approach dispenses with the rect list,
since our Canvas drawing model only uses the union rectangle
anyway.
2022-04-05 20:52:09 -06:00
doc Update source-tree layout 2022-02-03 14:47:24 +01:00
gtk2_ardour arcall: use dedicated directory for output, and add --dump-instr=yes 2022-04-05 20:52:09 -06:00
headless wscript: drop configure statements already present in the top level wscript 2022-01-22 22:19:03 +01:00
libs canvas: add a drawing-request-freeze/thaw API 2022-04-05 20:52:09 -06:00
luasession wscript: drop configure statements already present in the top level wscript 2022-01-22 22:19:03 +01:00
msvc_extra_headers Emulate exp2f() for older MS compilers where it wasn't available 2021-05-05 17:50:41 +01:00
MSVCardour3 Add/remove source(s) in our MSVC project (libardour and gtk2_ardour) 2021-07-19 11:27:02 +01:00
MSVCMixbus3 Initial changes needed for building Mixbus (with MSVC) as version 5 2018-09-10 07:14:59 +01:00
MSVCvst_scan Add/remove source(s) in our MSVC project (vst2_scanner) 2021-07-05 10:25:35 +01:00
nutemp additional changes to follow library name change from timecode -> temporal 2017-09-25 12:13:54 -04:00
session_utils wscript: drop configure statements already present in the top level wscript 2022-01-22 22:19:03 +01:00
share Optimize ACE-Hi/Lo pass filter automation performance a bit 2022-04-02 19:19:38 +02:00
tools Fix permissions of bundled content 2022-03-22 21:31:21 +01:00
.dir-locals.el
.gitattributes
.gitignore Ignore generaed translation files 2020-10-18 17:45:32 +02:00
ardour.1 Update man-page 2020-07-06 21:36:12 +02:00
COPYING
instant.xml.sae
msvc32-fixup.pl Build 'ardour-vst3-scanner.exe' with MSVC 2020-09-22 12:15:09 +01:00
nutempo-todo todo list text for nutempo-related tasks 2021-08-16 13:41:49 -06:00
PACKAGER_README
README Directly use HTTPS 2021-03-23 23:27:45 +01:00
README-GITHUB.txt
system_config
testfile.flac
testfile.ogg
TRANSLATORS add text to TRANSLATORS file explaining how contextual translation msgids work and should be translated 2020-05-20 14:40:10 -06:00
waf Update waf binary, using doc/updating_waf.txt 2022-01-09 18:46:24 +01:00
wscript wscript: improve configure messages slightly 2022-01-22 22:19:07 +01:00

README 

Please see the Ardour web site at https://ardour.org/ for all documentation..

For information on building ardour: 
      
     https://ardour.org/development.html