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4 commits

Author SHA1 Message Date
Karol Kosek
b5420b8a9a LibGfx: Implement PNG filtering on write 
Is it another great upgrade to our PNG encoder like in 9aafaec259?
Well, not really - it's not a 2x or 55x improvement like you saw there,
but still it saves something:

- a screenshot of a blank Serenity desktop dropped from about 45 KiB
  to 40 KiB.
- re-encoding NASA photo of the Earth to PNG again saves about 25%
  (16.5 MiB -> 12.3 MiB), compared to not using filters.

[1]: https://commons.wikimedia.org/wiki/File:The_Blue_Marble_(remastered).jpg
 2022-07-10 15:01:07 +02:00
Jelle Raaijmakers
11c807ebd1 LibGL+LibSoftGPU: Implement the stencil buffer 
This implements an 8-bit front stencil buffer. Stencil operations are
SIMD optimized. LibGL changes include:

* New `glStencilMask` and `glStencilMaskSeparate` functions
* New context parameter `GL_STENCIL_CLEAR_VALUE`
 2022-01-17 12:49:00 +01:00
Stephan Unverwerth
f9c5c120f6 AK/SIMD: Suppress psabi warnings and add explanatory comment 2022-01-09 21:03:08 +01:00
Stephan Unverwerth
7adcdecc7b AK: Add SIMDExtras.h with SIMD related functions 
Adds a header to AK with helper functions for writing vectorized code.

Co-authored-by: Hendiadyoin <leon2002.la@gmail.com>
 2022-01-09 16:21:13 +03:30