Re: [blfs-book] [BLFS Trac] #10571: gegl-0.3.30

[BLFS Trac via blfs-book]

#10571: gegl-0.3.30
-+---
 Reporter:  bdubbs   |   Owner:  bdubbs
 Type:  enhancement  |  Status:  assigned
 Priority:  normal   |   Milestone:  8.3
Component:  BOOK | Version:  SVN
 Severity:  normal   |  Resolution:
 Keywords:   |
-+---

Comment (by bdubbs):

 EGL-0.3.30 2018-03-19

 GeglBuffer:

 gegl_buffer_get now treats the final argument, which used to control
 only abyss behavior as a bit-field that also can have interpolation
 method to use when scaling down from the next larger mipmap level,
 valid values are GEGL_BUFFER_FILTER_NEAREST,
 GEGL_BUFFER_FILTER_BILINEAR, GEGL_BUFFER_FILTER_BOXFILTER and
 GEGL_BUFFER_FILTER_AUTO.

 All scaling is now done on linear data, making future results of mipmap
 computations more valid as well as providing correct results for scaled
 down thumbnails in user interfaces. Optimized code paths have been
 added for 8bit buffers (using 12bit linear as processing space) and
 other formats like 16bit float are now correctly handled by going
 through generic code paths.

 The scaling code paths has also been instrumented and optimized for
 performance. Improvements to pixel data fetching and setting functions
 leads to performance boosts across many GEGL operations, as well as
 display code paths in GEGL using applications. For some performance
 critical display cases performance should have improved 2-3x over last
 release.

 Improvements to logic switching to boxfiltering behavior and improve
 cubic samplers box filtering by using a linear sampler and a nearest
 sampler for the boxfiltering for the linear sampler. This slows down
 scaling down with the cubic sampler by half, but is less prone to
 aliasing, while keeping the faster code paths for the fast but not as
 bad as nearest - bilinear.

 gegl_buffer_copy gegl_buffer_clear and gegl_buffer_set color now only
 emit a single changed signal on the buffer.

 Operations:

 c2g and stress have gained the ability to toggle the influence of the
 shadow neighborhood or not, the new default is to not improve shadow
 detail; yielding a bit more natural renditions.

 color-to-alpha now contains improvements from experiment in workshop
 which is gone.

 Fixed crahses in median-blur.

 Transform ops:

 Only rasterize inside the transformed polygon, saving cpu. The
 optimizations mentioned for GeglBuffer giving boosts and improved
 quality.

 New ops:

 Mean-curvature blur.

 News ops in workshop:

 color-overlay, enlarge, inpaint, domain-transform, recursive=transform.

 GEGL-0.3.28 2018-01-23

 Core

 A new GeglStats object, which provides realtime statistics/profiling
 for use in UIs. Automatically copy-on-write clone input buffers for
 auto-threading of operations.

 Buffer

 Many significant optimizations as well as a correctness improvement,
 mipmap scaling and rendering is now done correctly in linear space,
 thus GIMP will not only produce the right results but also avoid gamma
 errors in thumbnails and viewport.

 Among the signifcant performance boosters are per buffer-instance tile
 queues, adaptive sampler pre-fetch caching and dedicated code paths for
 fetching columns of pixels. Along with many multi-threadedness
 improvements due to more significant testing.

 Operations

 Mipmap tuning and performance improvements to gaussian blur added
 dedicated code paths for nearest sampler in transform ops. more generic
 RGBE file handling ff-load: permit decoding audio files as well as
 video files. various code cleanups

--
Ticket URL: 
BLFS Trac 
Beyond Linux From Scratch
-- 
http://lists.linuxfromscratch.org/listinfo/blfs-book
FAQ: http://www.linuxfromscratch.org/blfs/faq.html
Unsubscribe: See the above information page

[blfs-book] [BLFS Trac] #10571: gegl-0.3.30

[BLFS Trac via blfs-book]

#10571: gegl-0.3.30
-+---
 Reporter:  bdubbs   |  Owner:  blfs-book
 Type:  enhancement  | Status:  new
 Priority:  normal   |  Milestone:  8.3
Component:  BOOK |Version:  SVN
 Severity:  normal   |   Keywords:
-+---
 New point version.

--
Ticket URL: 
BLFS Trac 
Beyond Linux From Scratch
-- 
http://lists.linuxfromscratch.org/listinfo/blfs-book
FAQ: http://www.linuxfromscratch.org/blfs/faq.html
Unsubscribe: See the above information page