Is Shadow Mapping possible in OpenGL ES 1.0 ?

Tutorials concerning the OpenGL® ES cross-platform API for full-function 2D and 3D graphics on the Google-Android platform.

Is Shadow Mapping possible in OpenGL ES 1.0 ?

Postby lgmcben » Wed Nov 25, 2009 11:24 am

Hi. English is not my native language but I'll try my best.

I've tried casting shadow following this tutorial (which uses Stencil Buffer method):
http://nehe.gamedev.net/data/lessons/le ... ?lesson=27

The result is a cool shadow effect. But it depends too much on geometry and thus not very flexible.

Then I found a much easier way to cast a shadow. It's called "Shadow Mapping". I followed the tutorial here:
http://www.paulsprojects.net/tutorials/smt/smt.html

But it uses ARB_depth_texture and ARB_shadow extension. So I bet it can't be used with Android's OpenGL ES 1.0.

I've tried googling for "Shadow Mapping" and "OpenGL ES" but still can't find a usable info.

Can anyone recommend me a good place/site I can study for this please?
Thank you in advance. =)
lgmcben
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