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12 commits

Author SHA1 Message Date
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
06e9a60190 - nothing 2019-10-08 00:02:37 +02:00
Christoph Oelckers
971d8c7b8d - fixed shade interpolation. 2019-10-07 23:32:58 +02:00
Christoph Oelckers
ddc6f70aee - fixed palette application in shader. 2019-10-07 23:11:59 +02:00
Christoph Oelckers
623511021f - cleaned up the fragment shader and gave it some workable structure. 
Important note here: branches are not the root of all evil - but mangled unreadable code actually is!
 2019-10-06 22:30:27 +02:00
Christoph Oelckers
7185bbad81 - fraqment shader cleanup part one. 2019-10-06 21:23:51 +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
0720ad5fd5 - make all varyings in the polymost shader explicit and declare the surface shader as v3.30 as it already used modern syntax. 2019-10-06 10:29:17 +02:00
Christoph Oelckers
8fd8d0858c - started modernizing the shader. 
This is one unbelievable piece of weird coding based on the 15 year old concept to avoid conditionals at all costs.
As a result the code is totally unreadable and no longer really portable to modern OpenGL.
This has to be done in small pieces.
 2019-10-06 10:07:09 +02:00
Christoph Oelckers
93ad83b380 - use GZDoom's texture backend to read hightile textures. (Hightile tinting code moved to the shader but isn't active yet. 
- remove all code for faking gamma correction through palette manipulated images.
 2019-10-05 21:59:03 +02:00
Christoph Oelckers
644b07b718 - minor fixes. 2019-10-05 12:39:50 +02:00
Christoph Oelckers
d058084c10 - added an engine resource file. 
Currently this only contains the main Polymost shaders and the resources from nblood.pk3.
The latter cannot be used yet because the Build resource management system is too stubborn to add the newly added file without some changes.
It's better to refactor the entire system instead.
 2019-10-04 23:29:00 +02:00
Renamed from source/polymost1Frag.glsl.cpp (Browse further)