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88 commits

Author SHA1 Message Date
Kevin Caccamo
d503d1ce9b 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
 2019-06-23 14:11:03 +02:00
Kevin Caccamo
16a52cd8c8 Implement additive colour on walls and sprites 
Also, don't modify the alpha channel when adding the additive colour.

# Conflicts:
#	src/hwrenderer/scene/hw_sprites.cpp
#	src/hwrenderer/scene/hw_walls.cpp
#	src/hwrenderer/scene/hw_weapon.cpp

# Conflicts:
#	src/gl/scene/gl_weapon.cpp
 2019-06-23 12:46:54 +02:00
Kevin Caccamo
575b660b20 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

# Conflicts:
#	src/gl/shaders/gl_shader.cpp
#	src/hwrenderer/scene/hw_flats.cpp
#	src/hwrenderer/scene/hw_renderstate.h
#	src/hwrenderer/utility/hw_draw2d.cpp

# Conflicts:
#	src/gl/scene/gl_flats.cpp
#	src/hwrenderer/scene/hw_flats.cpp
 2019-06-23 11:45:03 +02:00
Magnus Norddahl
3a76840f87 - remove shadow acne when dynlights perfectly align with planes 2019-04-18 17:49:57 +02:00
Magnus Norddahl
3d69fc327b - vWorldNormal is not normalized but R_DoomColormap requires this 2019-04-18 14:34:27 +02:00
Magnus Norddahl
b3cd6f4460 - fix vanilla light mode angle calculation 2019-04-18 12:50:25 +02:00
Magnus Norddahl
bafc5e6a3c - add vanilla lightmode that behaves exactly as Doom's original light did 
# Conflicts:
#	src/hwrenderer/scene/hw_drawinfo.cpp
#	src/hwrenderer/scene/hw_renderstate.cpp
#	src/hwrenderer/scene/hw_renderstate.h
#	src/hwrenderer/scene/hw_skyportal.cpp
#	src/hwrenderer/scene/hw_weapon.cpp

# Conflicts:
#	src/g_level.cpp
#	src/gl/compatibility/gl_20.cpp
#	src/gl/renderer/gl_lightdata.cpp
#	src/gl/renderer/gl_renderstate.h
#	src/gl/scene/gl_skydome.cpp
#	src/gl/scene/gl_weapon.cpp
#	src/hwrenderer/scene/hw_weapon.cpp
#	src/hwrenderer/utility/hw_lighting.cpp
 2019-04-18 12:50:03 +02:00
Christoph Oelckers
8368331481 - 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.

# Conflicts:
#	src/hwrenderer/scene/hw_renderstate.h
#	src/hwrenderer/scene/hw_walls.cpp

# Conflicts:
#	src/gl/scene/gl_walls_draw.cpp
 2018-11-16 21:16:15 +01:00
Rachael Alexanderson
787638ff5f - 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 
# Conflicts:
#	wadsrc/static/shaders/glsl/main.fp
 2018-10-09 11:56:41 +02:00
Magnus Norddahl
811bd578cd - fix artifact in PCF filter when the texture coordinate wraps 2018-10-05 22:25:11 +02:00
Magnus Norddahl
33180fd4e8 - remove shadow acne from PCF shadowmap filter and add three quality levels 2018-10-05 10:20:02 +02:00
Magnus Norddahl
8997d5effb - fix the nearest shadow map filter to have no shadow acne and replace linear with nearest in the menu 2018-10-04 19:27:20 +02:00
Magnus Norddahl
9ad56a9f66 - fix diagonal linear shadow map artifact 2018-10-04 19:24:12 +02:00
Christoph Oelckers
24d09fe56a - some tweaking of shadowmap filter setting to allow changing the PCF filter's number of samplings. 
# Conflicts:
#	src/gl/system/gl_cvars.h
#	src/gl/system/gl_menu.cpp
 2018-10-04 19:19:56 +02:00
drfrag666
58b7967eea - 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.
(refactored patch by Graf)
 2018-10-04 19:08:49 +02:00
Magnus Norddahl
f9f81cdb32 - clamp the software light to never get brighter than the initial light level 2018-09-23 21:00:51 +02:00
Magnus Norddahl
9c74c9629a - rewrite the user shader support for materials - new syntax is to create a 'Material ProcessMaterial()' function 
# Conflicts:
#	src/gl/shaders/gl_shader.cpp
#	src/hwrenderer/textures/hw_material.cpp
#	src/r_data/gldefs.cpp
#	wadsrc/static/shaders/glsl/main.fp
 2018-08-20 01:22:34 +02:00
Christoph Oelckers
d586d774cf - adjusted GL renderer to the new rules for alpha textures. This means that the translation fallback is only needed for the legacy renderer now. Modern GL can use the regular texture and will apply a grayscale mapping instead of merely using the red channel. 2018-03-22 20:42:17 +01:00
Magnus Norddahl
07fa310f23 - move material light modes to their own subshader lumps 2018-02-20 00:13:05 +01:00
Magnus Norddahl
eb39e88682 - clean up the main.fp light handling code so that a single ApplyDynLights function applies all dynamic light 2018-02-19 02:01:33 +01:00
Magnus Norddahl
3207d8aef7 - generate uniform declarations from c++ 2018-02-09 23:29:31 +01:00
Magnus Norddahl
769867475c - Replaced max(dot(a,b), 0.0) with clamp as some rounding errors caused pow to receive negative values when then value was subtracted from 1.0 (undefined glsl behavior) 
- Fixed that surface angle attenuation was getting applied twice
 2018-02-03 23:56:55 +01:00
Magnus Norddahl
7b9a334f77 - Change PBR materials to use quadratic light falloff 2018-02-03 13:17:09 +01:00
Magnus Norddahl
747ef8324e - Improve sector light slightly for PBR 2018-01-29 19:09:24 +01:00
Magnus Norddahl
6deb51f23c - disable the tonemapping to let it bloom instead 2018-01-27 00:42:17 +01:00
Magnus Norddahl
a6da1d356a - add PBR materials to main.fp 2018-01-27 00:22:15 +01:00
Magnus Norddahl
7a59bcde4c - move glossiness and specular level to GLDEFS 2018-01-25 19:53:55 +01:00
Magnus Norddahl
1875902414 - Do not flip the normal based on face direction 2018-01-23 23:59:58 +01:00
Magnus Norddahl
81c6808d2a - Add specular and normal map handling to main.fp 2018-01-23 23:10:28 +01:00
Magnus Norddahl
e045fb57c9 - Declare new textures for specular and pbr modes 2018-01-23 20:51:48 +01:00
Magnus Norddahl
5f36b86013 - Add dynamic spot lights 2018-01-04 17:58:11 +01:00
Magnus Norddahl
a6d4bfc748 - Added linear and nearest shadowmap filters (enabled with defines) 2017-08-13 13:49:02 +02:00
Magnus Norddahl
5c7b1ee8e1 - Significantly improve shadowmap light performance for faces with a large number of lights but where only a few applies to each individual fragment 2017-08-08 23:28:42 +02:00
Rachael Alexanderson
8d3d271484 - tweaked the banded software lightmode shader a bit more, looks a little closer (but still not quite...) to real ZDoom in paletted mode 2017-07-21 18:45:08 -04:00
Magnus Norddahl
ddd1b629c3 - Calculate globvis/r_visibility in r_utility and use it in GL and poly renderers 2017-07-09 19:01:34 +02:00
Rachael Alexanderson
1562d64580 - fixed: in the availability of gl_fogmode == 0, default to having square fog instead of radial fog in gl_lightmode == 8 2017-06-25 09:37:14 -04:00
Magnus Norddahl
b6e035e796 - Implemented radial fog support in software light mode 2017-06-25 15:02:34 +02:00
Rachael Alexanderson
4229389680 - fixed: banded sw light was broken in a recent commit. Added back the 32 light levels and also made it prefer darker shades. 2017-06-21 19:10:39 -04:00
Magnus Norddahl
28acf2ad06 - Fix OpenGL software diminishing light to be identical to truecolor swrenderer and softpoly 
All there is left is to make globVis an uniform and move the LightVisibility::SetVisibility calculations out of the software renderer.
That will make it 100% correct for all r_visiblity values and aspect ratios.
 2017-06-22 00:01:57 +02:00
Magnus Norddahl
85a9984807 - Add OpenGL ES 3 support to GL renderer 2017-04-06 23:34:42 -04:00
Magnus Norddahl
59ec97d2d5 Fix shadow map acne and the attenuate flag 2017-03-10 22:08:55 +01:00
Magnus Norddahl
b660493051 Add menu option for disabling shadow maps and detecting if storage buffers are available or not 2017-03-10 19:10:40 +01:00
Magnus Norddahl
cb40c369cd Added PCF shadows 2017-03-08 01:35:07 +01:00
Magnus Norddahl
818b72fbf5 Reduce margin a little 2017-03-08 00:33:42 +01:00
Magnus Norddahl
6df3b3fbca Changed the light collision structure uploaded to the GPU to be a binary tree using AABBs for the nodes instead of a BSP plane 2017-03-07 15:58:22 +01:00
Magnus Norddahl
8515f9720a 1D shadow maps are now working 2017-03-04 09:14:01 +01:00
Magnus Norddahl
0d1deddae5 Bind shadow map texture for main.fp and sample from the shadowmap texture 2017-03-02 19:10:57 +01:00
Magnus Norddahl
538d516c9a Upload shadow map index for each light to main.fp 
Move storage buffer binding location
 2017-03-02 18:07:47 +01:00
Christoph Oelckers
12d073a27d - objectcolor stuff. 
# Conflicts:
#	src/gl/renderer/gl_renderstate.cpp
 2017-01-28 19:06:21 +01:00
Rachael Alexanderson
3154652885 - fixed possible AMD compilation error. 2017-01-24 22:24:53 +01:00