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Tessellation for better distorted sprite drawing.
If your device supports OpenGL ES AEP, you can use GPU Tessellation.

FIX Graphics problem:
* Three Dirty Dwarves is black screen.
* Doukou menu selection is not shown.
* Gale Racer does not draw any polygons.
* Battle Arena Toshinden Remix rotate screen
Fix Regression:
Mesh rendering

The new Perspective correction using Tessellation option is amazing on 3d games.
The author of the uoYabause, an Android branch of Yabause on PC with support for the more advanced OpenGLes3x rendering, has shown a few demos of his new idea to enable perspective correction into Sega Saturn emulation with a hardware renderer.


"Sega Saturn draws polygons as quad.Thanks for this method, VDP1 can draw distorted image correctly. Modern GPUs draw polygons as triangles. They can't draw distorted quad image correctly.

To avoid this failure, Generally perspective correction method is used. Since Perspective correction uses z value in 3D space and VDP1 does not have z vale, VDP1 emulator needs to calculate z value. This method works fine, polygons are draw as if they are in 3D space. like this.

But in some games These polygon are draw as just distorted image. At this time this emulation method does not work.That's problem!"
LEONA’s Tricky Adventures is inspired by a clever puzzle game mechanic which was briefly explored in the very early 90s but sadly faded from prominence shortly after. The basic task is to match two increasingly complex patterns using increasingly complex mechanics. While it can’t be directly compared to any contemporary game the mental skills required by the puzzles put them somewhere in between "Picross" and "Bejeweled" – and in our humble opinion they can easily stand up against those games. LEONA’s Tricky Adventures is filled with hundreds of puzzles which provide many hours of fun gameplay - but unlike most puzzle games: No, it does not stop there!

Get your copy here : http://www.trickyleona.com/leonataorder.html
Finally a release, nocticeable changes are :

- more games emulated
- sms & sg-1000 support
- overlay support to avoid binary size limit
- priority support for better wonderboy emulation (thanks yabause team)

download : http://vberthelot.free.fr/fba_beta2/fbalpha_beta2.7z
source code : https://github.com/vbt1/fba_saturn
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