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238 commits

Author SHA1 Message Date
Magnus Norddahl
216191c86d - interpolate the normal for models 2018-11-20 13:41:27 +01:00
Christoph Oelckers
f2dcff4386 - more options for Doom 64 style gradients on walls: 
* Colors can npw be defined per sidedef, not only per sector.
* Gradients can be selectively disabled or vertically flipped per wall tier.
* Gradients can be clamped to their respective tier, i.e top and bottom of the tier, not the front sector defines where it starts.

The per-wall colors are implemented for hardware and softpoly renderer only, but not for the classic software renderer, because its code is far too scattered to do this efficiently.
 2018-11-11 16:04:36 +01:00
Christoph Oelckers
1768508c80 - first adjustments to decal code. 
- moved texture mode constants to a global header and consolidated with the variants of the 2D drawer.
 2018-10-21 08:14:48 +02:00
Christoph Oelckers
9253118bdc - removed the quad drawer class 
This isn't needed anymore.
 2018-10-20 11:59:12 +02:00
Magnus Norddahl
4ac43dac36 - fix distance attenuation for PBR materials 2018-10-17 09:03:18 +02:00
Rachael Alexanderson
3d81be1517 - always enforce a minimum distance for fog when fogmode is set to standard. without this, it was possible for the GPU to error out and stop rendering pixels for certain screen blocks 2018-10-09 04:45:23 -04:00
Magnus Norddahl
8ea74770fd - fix artifact in PCF filter when the texture coordinate wraps 2018-10-05 21:30:16 +02:00
Magnus Norddahl
6135e867a9 - remove shadow acne from PCF shadowmap filter and add three quality levels 2018-10-05 04:36:11 +02:00
Magnus Norddahl
cd520a6528 - fix the nearest shadow map filter to have no shadow acne and replace linear with nearest in the menu 2018-10-04 15:33:07 +02:00
Magnus Norddahl
d65d462268 - add some comments to shadowmap.fp 2018-10-04 01:29:25 +02:00
Magnus Norddahl
36946a47fe - fix diagonal linear shadow map artifact 2018-10-04 00:46:17 +02:00
Christoph Oelckers
797f88a6c8 - some tweaking of shadowmap filter setting to allow changing the PCF filter's number of samplings. 2018-10-03 13:45:54 +02:00
Christoph Oelckers
c8852b8fea - enabled the linear shadowmap filter. 
Although this doesn't look as good as the PCF version it is a lot less calculation intensive and therefore more suitable for weaker hardware.
It also tends to bleed through walls a lot less.
 2018-09-29 13:23:40 +02:00
Christoph Oelckers
86c7e87767 Merge branch 'master' of https://github.com/coelckers/gzdoom 2018-09-29 12:59:11 +02:00
Magnus Norddahl
3b8b312fae - clamp the software light to never get brighter than the initial light level 2018-09-23 17:58:17 +02:00
Christoph Oelckers
bc1e659c7b Revert "- reworked fog uniforms to move the global fog mode setting to the viewpoint buffer." 
This reverts commit 8b26b6dd1e.

This was causing problems with light mode 2 because some edge cases were no longer handled properly.
 2018-09-16 22:38:20 +02:00
Christoph Oelckers
8b26b6dd1e - reworked fog uniforms to move the global fog mode setting to the viewpoint buffer. 2018-09-06 19:14:30 +02:00
Christoph Oelckers
5e39890118 - use a uniform buffer for per-scene data like rotation matrices. 2018-09-02 18:40:36 +02:00
Magnus Norddahl
d121fa21bf - add gl_dither for toggling dithered output on and off 2018-08-08 21:58:23 +02:00
Magnus Norddahl
31addbc859 - use a texture for the dither matrix 2018-08-08 00:54:12 +02:00
Rachael Alexanderson
07c9db682d - change 'halfstep' in the dither shader to a #define 2018-08-07 17:06:05 -04:00
Rachael Alexanderson
1cfed9de45 - expand the dither matrix from 4x4 to 8x8 2018-08-06 23:00:20 -04:00
Rachael Alexanderson
0cfe79d85d - further math tweaks 2018-08-06 21:51:23 -04:00
Rachael Alexanderson
cdd77ad5fa - fix up a bit of math on the dither shader 2018-08-06 21:37:45 -04:00
Magnus Norddahl
7362070504 - add dithering to present shader 2018-08-07 03:03:40 +02:00
Christoph Oelckers
4a7b1aada7 Merge remote-tracking branch 'remotes/origin/modern' 
# Conflicts:
#	wadsrc/static/shaders/glsl/main.fp
 2018-07-20 10:19:07 +02:00
Magnus Norddahl
8a500a25f5 - rewrite the user shader support for materials - new syntax is to create a 'Material ProcessMaterial()' function 2018-07-15 23:01:40 +02:00
Christoph Oelckers
124fe63d00 Merge branch 'master' into modern 2018-07-14 10:24:41 +02:00
alexey.lysiuk
c29651da95 - restored initial grayscale conversion in fragment shader 
Accidental change of red color multiplier was discovered during investigation of https://forum.zdoom.org/viewtopic.php?t=61126
 2018-07-02 17:31:48 +03:00
Magnus Norddahl
8eb825e25a - fix some postprocess bugs 2018-06-30 16:44:09 +02:00
Magnus Norddahl
32d837cdf1 Merge remote-tracking branch 'gzdoom/modern' into hw_postprocess 2018-06-24 17:57:02 +02:00
Magnus Norddahl
b2fad453fa - change tonemaps to steps 2018-06-23 19:25:49 +02:00
Christoph Oelckers
1967165633 - move view and projection matrices to DrawInfo. 2018-06-21 21:02:14 +02:00
Christoph Oelckers
4937848123 - refactoring of fixed colormap stuff to have it better organized and to reduce the number of uniforms in the main shader. 
This removes 3 uniforms, consisting of 9 floats. Those were merged into other values that never get used at the same time.
It also moves the costly setup of the fixed colormap out of the render state into the 2D processing code.
Since 3D forces use of render buffers now, it is no longer necessary to draw the entire scene with the colormap active, meaning it can be handled more efficiently.
 2018-06-16 22:40:44 +02:00
Christoph Oelckers
612fb40f3a - don't use uniforms related to fixed colormaps for other things. 
The fixed colormap is a per-scene global setting that normally does not need to change ever during rendering of a scene so it's easily shoved aside into a static uniform buffer.
Having to change this buffer for inconsequential stuff should be avoided, especially when there's other uniforms that are just as good to hold these values.
 2018-06-14 21:28:03 +02:00
Christoph Oelckers
ce50b0e46b - read sampler bindings from the shader instead of tagging along a large amount of support data. 
Works for most shaders, except SSAO.
 2018-06-13 17:44:49 +02:00
Christoph Oelckers
d2dea17e81 - specify vertex attributes in the shader source for Vulkan compatibility. 2018-06-13 08:40:04 +02:00
Christoph Oelckers
ad7aaa8f2a - specify fragment output locations in the shader source. 
OpenGL has been supporting this since version 3.3 and Vulkan requires it so it's the way to go.
 2018-06-12 23:52:33 +02:00
Magnus Norddahl
832e7818c8 - rewrote the blur shader so that it works the same way as the rest 2018-06-12 22:14:44 +02:00
Magnus Norddahl
49073489e5 - uniform buffers for the fxaa, blur and bloom shaders 2018-06-11 22:06:46 +02:00
Magnus Norddahl
48f753061a - uniform buffers for the present and shadowmap shaders 2018-06-11 21:42:09 +02:00
Magnus Norddahl
6fcc79d72a - uniform buffers for the tonemap shaders 2018-06-11 21:18:20 +02:00
Magnus Norddahl
2bde741a7e - Uniform buffer for colormap shader 2018-06-11 21:03:55 +02:00
Magnus Norddahl
d22fb24e28 - Uniform buffers for lens shader 2018-06-11 20:58:20 +02:00
Magnus Norddahl
763c5c9769 - change ssao pass to use an uniform block 2018-06-11 20:48:43 +02:00
Christoph Oelckers
cce6c9a085 - fixed precision issue with dot product. 
Apparently the shader math is not precise enough to ensure that two supposedly orthogonal vectors are truly orthogonal, resulting in a non-zero dot product
 2018-05-24 20:31:44 +02:00
Christoph Oelckers
1266339c0f - fixed shader compilation. 2018-05-19 21:17:58 +02:00
Christoph Oelckers
3dc6ddbcc3 - check light direction in the shader. 
There are situations where lights on the wrong side of a linedef may be passed and those need to be skipped in the shader code.
 2018-05-19 19:20:45 +02:00
Christoph Oelckers
286846a8ec 2D must consider brightmaps. 2018-04-27 08:59:59 +02:00
Christoph Oelckers
221beec979 - added palette shader and fixed a few things. 2018-04-07 12:17:23 +02:00