4 commits

Author	SHA1	Message	Date
Christoph Oelckers	09f4071436	Ok, it had to be done: Removed shader support for pre GLSL 1.3/GL 3.0 hardware. The compromises needed to accomodate these are just too bad and would block any attempt at streamlining the code.	2014-05-11 13:27:51 +02:00
Christoph Oelckers	fd767233aa	- fixed typo: glColor must be gl_Color in shader.	2013-12-08 10:01:03 +01:00
Christoph Oelckers	d46315c44b	- some finetuning of subtractive effect.	2013-12-05 15:39:46 +01:00
Christoph Oelckers	95163e378e	- added a fog layer when drawing sprites with render style reverse subtract.	2013-12-05 15:06:10 +01:00