[sldev] Running SL on 16-bit color setting

[Robin Cornelius]

Dirk Moerenhout wrote:
>> As most people knows, SL uses OpenGL and supports OS X and Linux as well.
>> So, porting on mobile devices, that support OpenGL ES, is not so difficult.
>> Yes.. still has many issues to resolve, memory optimization is an example.
>> And 32-bit color dependent code is also one of the issues.
> 
> I don't know OpenGL ES but how does it handle alpha blending? Images
> are stored in 32-bit but only 24 bits are used for color, remainder is
> alpha and is used within SL. I guess the first thing you'd need to
> consider would be how to convert all the content you receive to the
> proper format. Does OpenGL ES rendering 32-bit encoded images on a
> 16-bit display and if so, does it handle the alpha correctly?
> 

OpenGL ES 1.1 seems to support 32but ARGB. Some random info and
tutorials aimed at a Sony platform, but hey might be handy;-

http://developer.sonyericsson.com/site/global/newsandevents/latestnews/newsoct06/p_3dhardwareaccgraphics_opengles_uiq3phones.jsp

Robin

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