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286 commits

Author SHA1 Message Date
Christoph Oelckers
3209d4ed23 - added a few more texture coloring options to the shader. 
Aside from adding an additive component it can now also do:

- desaturation (not limited to the range of 0..1 so it can also be used for oversaturation by applying a negative number or negative saturation by going above 1.0.
- invert the texture
- apply a blend, including 3 special mode taken from EDuke32.

Currently only the implementation is done, it is not exposed to UDMF yet.
 2019-12-20 16:05:00 +01:00
alexey.lysiuk
b6ada166fc - fixed compilation of FXAA shader by macOS OpenGL 
Compile Shader 'shaders/glsl/fxaa.fp':
ERROR: 0:250: '' : syntax error: incorrect preprocessor directive
ERROR: 0:250: '' : syntax error: unexpected tokens following #if preprocessor directive - expected a newline
ERROR: 0:265: '' : syntax error: incorrect preprocessor directive
ERROR: 0:265: '' : syntax error: unexpected tokens following #if preprocessor directive - expected a newline
ERROR: 0:266: '' :   Macro Redefined lumaM
ERROR: 0:301: '' : syntax error: incorrect preprocessor directive
ERROR: 0:301: '' : syntax error: unexpected tokens following #if preprocessor directive - expected a newline
ERROR: 0:599: '' : syntax error: incorrect preprocessor directive
ERROR: 0:599: '' : syntax error: unexpected tokens following #if preprocessor directive - expected a newline

https://forum.zdoom.org/viewtopic.php?t=65003
 2019-06-11 08:20:24 +03:00
alexey.lysiuk
addcad8ac0 - disabled discard in FXAA shader with Vulkan backend 
Discard caused graphical corruptions on AMD hardware with Vulkan backend enabled

https://forum.zdoom.org/viewtopic.php?t=64230
 2019-06-04 11:32:00 +03:00
alexey.lysiuk
da2d0e47e6 - removed array length() function from shadowmap shader 
Array's length() function is not yet supported by SPIRV-cross and MoltenVK
Its usage was replaced by explicit nodes count value passed as uniform
 2019-05-24 14:29:37 +03:00
Magnus Norddahl
f3cb5e09e4 - SIMPLE is never ever defined for main.fp 2019-05-13 22:38:16 +02:00
Magnus Norddahl
bab5862383 - fix some vulkan warnings 2019-05-13 21:15:10 +02:00
Magnus Norddahl
5f12191c05 - fix validation error for shader input not declared by main.vp 2019-05-12 23:15:49 +02:00
Magnus Norddahl
e75ab8ed09 - fix wrong fog color used for ssao when using multisampling 2019-05-05 23:23:47 +02:00
Magnus Norddahl
1973001834 - use the exact sRGB->linear transfer function in HDR mode as the 2.2 gamma approximation is visibly inaccurate in this case 2019-05-01 00:55:31 +02:00
Magnus Norddahl
d63513ec14 - fix normal vectors on models 2019-04-17 20:42:00 +02:00
Magnus Norddahl
15dae4cfe6 - rewrite depthblur.fp to workaround what seemed to be a bug in the NVidia driver 2019-04-16 16:17:23 +02:00
Magnus Norddahl
9d29a460de - simplify depthblur.fp into a single function 2019-04-16 08:59:29 +02:00
Magnus Norddahl
67490d13cb - add gl_ssao_debug mode showing the depth 2019-04-16 05:29:32 +02:00
Magnus Norddahl
558760c090 - fix the gl_ssao_debug cvar 2019-04-16 03:32:54 +02:00
Magnus Norddahl
db4310ca6b - prevent excessively bright pixels as this is actually visible on a HDR monitor 2019-04-11 03:34:34 +02:00
Magnus Norddahl
c28e56f9e8 - workaround buggy preprocessor in old AMD OpenGL drivers 2019-04-07 19:42:32 +02:00
Magnus Norddahl
2d8516b2ca - make shaderClipDistance optional 2019-03-25 19:44:46 +01:00
Magnus Norddahl
cce96ca87a - implement shadow maps 2019-03-15 07:54:34 +01:00
Magnus Norddahl
dca0b75038 - change the images to be upside down until presentation to increase compatibility with shaders designed for OpenGL 
- clamp scissors fully to avoid NVidia's awful drivers locking up the entire system if they end up out of bounds
- perform buffer clears as part of the render pass. this puts some restrictions on how FRenderState.Clear can be used
- add an offset uniform to the present shaders so the vulkan target can flip the image during presentation
 2019-03-12 23:53:20 +01:00
Magnus Norddahl
0620041228 - remove screenquadscale.vp 2019-03-12 16:24:55 +01:00
alexey.lysiuk
02ed758447 Merge branch 'master' into vulkan2 
# Conflicts:
#	src/posix/cocoa/i_video.mm
 2019-03-09 16:45:49 +02:00
Christoph Oelckers
99c8ba1288 - use uAddColor instead of uObjectColor2 for the ending color of a special colormap range. 
Unlike uObjectColor2, this is more global state. uObjectColor2 is part of gradient calculation which may later be offloaded to a secondary buffer which already resulted in only conditionally setting it, resulting in broken special colormap application for the software renderer.
 2019-03-09 12:12:33 +01:00
Magnus Norddahl
b313f91ab0 - add layout location decl to all postprocess shaders 2019-03-05 18:55:31 +01:00
Magnus Norddahl
56afcd210b - fix: gl_PointSize is required in Vulkan when drawing points 
- fix: add depthstencil attachment when stencil is active while depth is not
 2019-03-03 23:30:36 +01:00
Magnus Norddahl
f8aa48d053 - fix blinking caused by uninitialized clipping planes 2019-03-02 14:16:11 +01:00
Magnus Norddahl
05a6896d4f - Pass vertex color and normal via uniform buffer when the attribute isn't available 2019-03-02 01:56:08 +01:00
Magnus Norddahl
d4118a755c - load all the shaders and use the right one for each renderpass 2019-03-01 02:40:02 +01:00
Magnus Norddahl
2e0b34ca72 - hook up enough of renderstate to enable all of main.vp and main.fp 2019-02-28 00:26:49 +01:00
Magnus Norddahl
fe67a2c24f - fix enough bugs to finally get some visuals 2019-02-26 20:19:54 +01:00
Magnus Norddahl
52460d53d9 - compile main.vp and main.fp for vulkan 2019-02-22 11:30:48 +01:00
Magnus Norddahl
f10ded756e - split shadowmap AABB tree into two parts. one for static and one for dynamic 
- upload only the dynamic AABB subtree using glBufferSubData
- change internal raytracing stack limit from 16 to 32
- update shadowmap AABB tree after R_SetupFrame for proper frame interpolation
 2019-01-04 15:51:59 +01:00
Kevin Caccamo
9622ca7517 Add additive color before applying object colors 
Based on what I saw in this video (https://youtu.be/Yx1tflavea8), the 
additive colors are applied before the object colors
 2018-12-26 16:58:27 +01:00
Kevin Caccamo
33723e8904 Implement additive colour on walls and sprites 
Also, don't modify the alpha channel when adding the additive colour.
 2018-12-26 16:58:27 +01:00
Kevin Caccamo
758cd77e55 Rename ColorAdd to AddColor, and use it ingame 
Rename ColorAdd to AddColor
Add AddColor to FRenderState
Tweak SpecialColors array in ZScript to include the additive color
Add uAddColor to the shader compiler
Add uAddColor to the texel
 2018-12-26 16:58:27 +01:00
Magnus Norddahl
0c4602507e - remove shadow acne when dynlights perfectly align with planes 2018-12-23 15:13:38 +01:00
Magnus Norddahl
bc648015c7 - vWorldNormal is not normalized but R_DoomColormap requires this 2018-12-19 11:07:39 +01:00
Magnus Norddahl
f1fe9a0286 - fix vanilla light mode angle calculation 2018-12-15 10:02:57 +01:00
Magnus Norddahl
3af6ae4b37 - add vanilla lightmode that behaves exactly as Doom's original light did 2018-12-15 07:11:28 +01:00
Magnus Norddahl
96df21e3dc - fix typo 2018-11-20 13:54:18 +01:00
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