8 commits

Author	SHA1	Message	Date
Christoph Oelckers	69af73d9b9	- alternative configuration using GLEW to get extension functions. This requires GL 2.0, though so it won't be promoted to the mainline for the time being. ... - removed all pre GL 2.0 support.	2014-04-06 14:35:44 +02:00
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
Christoph Oelckers	12985cf635	- fixed: Particle drawing needs to apply the current fixed colormap to the particle's color.	2013-11-30 12:35:38 +01:00
Christoph Oelckers	2885056f46	- moved GLEXT API out of RenderContext struct.	2013-09-03 18:29:39 +02:00
Christoph Oelckers	26943fe3fd	- removed gl interface function pointers for all OpenGL32.dll entry points.	2013-09-03 14:05:41 +02:00
Christoph Oelckers	62fd6c8e74	- fixed: light values read from 3D floor light lists for lighting sprites were not clamped to [0..255].	2013-08-09 23:12:21 +02:00
Christoph Oelckers	399d0974ab	- added GL render as of SVN revision 1600.	2013-06-23 09:49:34 +02:00