The TGV file format is specifically created for Evas. It is designed to allow
region decompression and parallele decompression with a fast path for GPU that
do handle ETC1 compression. Plan for adding other compression method will come
later.
const have been added in object parameter of two legacy APIs to fit
Eolian generated files.
Since these functions retrieve information from object, it is logic that
the object would be const.
Actually, there is a very nice trick with BOX blur.
Pass BOX blur 3 times and you can approximate a GAUSSIAN
blur with up to 3% accuracy. This is way more than enough
for just a simple graphical effect.
So, despite the crappy quality of BOX blur, we should
optimize it a lot so we can replace large GAUSSIAN blurs
with series of BOX blurs instead.
Source: Wikipedia's page on box blur :)
This commit also moves around some duplicated definitions.
Prepare optimization paths for blur operations, as they are VERY
costly. This simple change, when using gcc -O3 flag, boosts
horizontal blur performance by > 50%, because STEP is 1 (and
so, memory accesses, increments, etc... are all very simple)
The objective is to have support for NEON, MMX, SSE, too, with
runtime detection.
Hmm, I forgot to add some .eo files to the EXTRA_DIST so they have not been
added inside the archive.
Eolian couldn't generate C files because of these missing files.
The first object that we generate with Eolian is Evas_Line, as it is a
simple one.
Two files are generated during build:
- the .eo.c contains the APIs definitions invoking Eo, the Eo functions
extracting the parameters and calling the hand written functions and
Eo structures to define the objects. These hand written functions are
located in e.g evas_object_line.c.
- the .eo.h contains the APIs and Eo prototyes.
We will continue with the other objects. If you note something wrong,
please update us asap:
daniel.zaoui@samsung.comyossi.kantor@samsung.com
Force render into an Ecore_Evas, and check that the pixels
are valid:
- Not all transparent (can't really happen)
- Not all black (since there's a black rect behind the text)
- All valid premultiplied values (A >= R,G,B)
Yes, it's a bit slow. But at least it really checks something :)
This is the simplest solution I can come up with for "mirror" effects.
Displacement maps are HARD to generate and use properly, since the buffer
size is unknown until runtime.
Even if we align the map to the text itself (using the padding information),
it's still hard to describe properly how to apply the displacement map, and
to generate it... So let's just add a simple flip operation.
Evas is an RGBA only engine, BUT we also use some alpha masks,
especially in the font rendering pipeline.
This commit adds basic support for alpha buffer operations
(blend and copy).
RGBA_Image can then point to either alpha-only data, if
its colorspace is grey.
this changes the internal encoding of font glyphs in evas to use 4bit
uncompressed if small, or 4bit rle (run length encoded) if larger.
this caves at least 50% of memory on fonts - and more if bigger. with
large fonts (40-80pixel size) we can save in the region of 80% of
memory used for glyphs. this also happesn to allow speedups in
rendering too.
Only import the C file for now.
Implement the following features:
- Shared Arrays
Store arrays of elements of fixed size in shm.
- Shared Mempool
Store random sized buffers in shm.
These buffers are indexed in a Shared Array and are
referred to using their index only.
- Shared Strings
Store strings in a shm in a way similar to Eina_Stringshare
(except strings are referred to using an int index).
- Include evas_cserve2_index.c to the compilation.
- Declare shared index functions in header file.
- Call init() and shutdown() on the shared index subsystem.
- Add find and foreach functions
This add finally support for JPEG 2000, but be aware that libopenjpeg
is very badly managed. There is currently only version 1.5.x that does
provide the right files, is usable by a third party and portable. You
can seriously forget any other version.
Cedric BAIL
Yossi Kantor
Tom Hacohen
Daniel Zaoui
Jean-Philippe Andre
Chris Michael
Snacker (Vladimir)
Carsten Haitzler
Vincent Torri