9 commits

Author	SHA1	Message	Date
Christoph Oelckers	cae710bd59	- fixed alpha threshold. ... Not only is this a deprecated feature - it also does not work right when complex lighting is at play, it must be done in the shader to get proper results.	2019-11-10 10:01:31 +01:00
Christoph Oelckers	de829128ea	- hooked up the 2D drawer ... compiles but not tested yet.	2019-11-05 23:35:38 +01:00
Christoph Oelckers	85d377647a	- tweaked the fade ramp a bit. ... For Duke Nukem and its direct offspring (Nam, WW2GI and Redneck Rampage) the ramp is not a linear fade from 0 to 1, it needs to be a little darker than that. Unfortunately the proper factor needed here must be set manually, this cannot really be calculated from the lookup tables.	2019-10-20 01:14:48 +02:00
Christoph Oelckers	7d2f61db2e	- converted all boolean parameters of the shader into a single flag word. ... - discarded the idea of transient palettes because the maintenance here stood in no relation to the savingd.	2019-10-19 22:46:37 +02:00
Christoph Oelckers	cd7bbe35a8	- removed all legacy fog code.	2019-10-19 15:52:46 +02:00
Christoph Oelckers	7131fe6c6e	- use separate textures for the palswap shade tables. ... This creates a lot less mess than one big texture and also allows easier use of texelFetch in the server which is preferable for data textures.	2019-10-08 01:08:08 +02:00
Christoph Oelckers	7713860b63	wip.	2019-10-07 00:14:16 +02:00
Christoph Oelckers	cf30f5560b	- upgraded the polymost fragment shader to GLSL 3.3 as well, removing all legacy features from it. ... The only compatibility mode feature left is the main drawer function using glBegin/glEnd but changing that is not as urgent as the rest. This also cleans up the fog application and adds the exponential fog mode again that somehow got lost over time.	2019-10-06 12:42:35 +02:00
Christoph Oelckers	bd4e4834e3	- moved the main shader and its entire uniform maintenance into the backend.	2019-10-05 12:28:08 +02:00