check OpenGL version:
authorcaro <caro@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Fri, 19 Feb 2010 14:33:49 +0000 (14:33 +0000)
committercaro <caro@7cbeb6ba-43b4-40fd-8cce-4c39aea84d33>
Fri, 19 Feb 2010 14:33:49 +0000 (14:33 +0000)
commit7e679b7d6748b7f6691c56c18bba051012f09cf5
tree2e8e6c1690d1b84fa05fe6de2c65af999e16e267
parent2383900ec9ae07e1dc6475a1c9141f9395d74580
check OpenGL version:

 * OpenGL ES : 2.0
 * OpenGL desktop : >= 1.4

If OpenGL ES 3.* is out, this code must be fixed

If there are problems with the minimal version on desktop,
we will have to increase the minimal version.

Question: should we check GLSL version on desktop ?

git-svn-id: http://svn.enlightenment.org/svn/e/trunk/evas@46309 7cbeb6ba-43b4-40fd-8cce-4c39aea84d33
src/modules/engines/gl_common/evas_gl_context.c