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172 commits

Author SHA1 Message Date
clayjohn
c29ade28af Multiply vertex lit DirectionalLights by albedo in GLES3 2021-02-18 20:56:45 -08:00
JFonS
b1ca82c43a CPU lightmapper fixes. 
- Fix Embree runtime when using MinGW (patch by @RandomShaper).
- Fix baking of lightmaps on GridMaps.
- Fix some GLSL errors.
- Fix overflow in the number of shader variants (GLES2).
 2021-01-15 12:32:54 +01:00
JFonS
112b416056 Implement new CPU lightmapper 
Completely re-write the lightmap generation code:
- Follow the general lightmapper code structure from 4.0.
- Use proper path tracing to compute the global illumination.
- Use atlassing to merge all lightmaps into a single texture (done by @RandomShaper)
- Use OpenImageDenoiser to improve the generated lightmaps.
- Take into account alpha transparency in material textures.
- Allow baking environment lighting.
- Add bicubic lightmap filtering.

There is some minor compatibility breakage in some properties and methods
in BakedLightmap, but lightmaps generated in previous engine versions
should work fine out of the box.

The scene importer has been changed to generate `.unwrap_cache` files
next to the imported scene files. These files *SHOULD* be added to any
version control system as they guarantee there won't be differences when
re-importing the scene from other OSes or engine versions.

This work started as a Google Summer of Code project; Was later funded by IMVU for a good amount of progress;
Was then finished and polished by me on my free time.

Co-authored-by: Pedro J. Estébanez <pedrojrulez@gmail.com>
 2021-01-14 18:05:56 +01:00
Rémi Verschelde
4faaf6089a Remove unused #if 0'ed code 2020-01-21 21:41:54 +01:00
Winston
c9fe11dec1
Use correct omni light attenuation 
fixes godotengine/godot#34683
 2019-12-29 17:22:34 +01:00
Rémi Verschelde
e21872f4b9
Merge pull request #34527 from MadEqua/fix-gles3-light-cutoff 
Fix GLES3 light cutoff.
 2019-12-21 23:40:15 +01:00
Bruno Lourenço
d47374385c Fix GLES3 light cutoff. 2019-12-21 20:52:54 +00:00
Bruno Lourenço
d7f9d71be2 Fix contact shadow when light is outside of viewport. 2019-12-21 16:55:41 +00:00
clayjohn
676f647c74 Add a default POINT_SIZE 2019-12-10 23:08:20 -08:00
Rémi Verschelde
65e6efaa3b
Merge pull request #33836 from clayjohn/blinn-fix 
Fix Specular Blinn function
 2019-12-03 07:50:37 +01:00
PouleyKetchoupp
299b85c46f Disable shadow map sampling when shadows are not used in GLES3 
Fixes #20742
 2019-11-29 06:21:17 +01:00
clayjohn
334d41d7cc Fix Specular Blinn function 2019-11-22 22:03:26 -08:00
clayjohn
cd40154890 Fix issues with environment mapping 2019-11-19 22:30:48 -08:00
Rémi Verschelde
823c3def72 Fix copyright headers and style issues 2019-09-24 11:52:06 +02:00
Juan Linietsky
d81ddaf33e Added skin support and simplified APIs to override bone position. 2019-09-18 19:46:32 -03:00
Rémi Verschelde
2b1c3878f9
Merge pull request #29031 from BastiaanOlij/alpha_shadow 
Implement shadow to opacity
 2019-05-23 13:37:54 +02:00
Bastiaan Olij
3ea778e66e Implement shadow to opacity 2019-05-21 20:07:46 +10:00
clayjohn
cc2d862733 Scale environment lighting correctly in GLES3 2019-05-19 17:59:23 -07:00
clayjohn
55d11330b0 fix lighting bug introduced in clear color changes 2019-05-14 15:04:54 -07:00
clayjohn
5c252092e1 added radiance when using clear color and fixed brdf 2019-05-13 12:26:54 -07:00
Juan Linietsky
2f32a75d2e Skeletons can now choose between using local or world coords for processing, fixes #26468 2019-03-03 12:24:00 -03:00
Hein-Pieter van Braam
a83e77fded Explicitly use floating point numbers in the our shaders 
We need to be explicit about using floating point numbers in our shaders
for compatibility with mobile GLES drivers.
 2019-02-24 23:35:10 +00:00
Juan Linietsky
95e34967d8 Fix precision issue with skeletons, closes #26057, closes #26062 2019-02-22 13:27:19 -03:00
Rémi Verschelde
769341e180 Cleanup after @reduz :) 
Fixes #25172.
 2019-01-21 11:12:55 +01:00
Juan Linietsky
9ed34d4423 Use GLES2 approach to vertex shading in GLES3, which has been more developed. Fixes #21852 2019-01-14 20:41:12 -03:00
Bastiaan Olij
9f266cf7e5 Override GL_position 2018-12-29 23:56:50 +11:00
PouleyKetchoupp
ab7759dbd1 Fixed fragment shader compilation error on android (S0001: Cannot compare 'float' with 'int') 2018-12-21 20:31:10 +01:00
Rémi Verschelde
37e198c320
Merge pull request #23483 from clayjohn/fragment_camera_view 
Make VIEW vector available in fragment shader
 2018-12-11 20:44:41 +01:00
clayjohn
2042d6214e make VIEW vector available in fragment 2018-12-11 09:44:38 -08:00
Rémi Verschelde
dd06f6ee70 Fix style issues and signature mismatch 2018-11-28 10:21:07 +01:00
Juan Linietsky
a397d3a46a Avoid voxel cone trace from going full 180 degrees, fixes #20716 2018-11-23 08:42:35 -03:00
Juan Linietsky
78624ad22c Ensure double sided normalmaps work, fixes #23760 2018-11-21 08:48:33 -03:00
Juan Linietsky
8aa38c9ad8 Fix shader bug likely introduced recently. 2018-11-16 14:30:34 -03:00
Juan Linietsky
bb9127a78b Removed unnecesary normal multiplication (only culling was really needed), fixes #17776 2018-11-16 10:52:31 -03:00
Juan Linietsky
55f5f4757e
Merge pull request #23248 from dlasalle/fog 
Add parameters for fog end depth and use alpha as density.
 2018-11-14 10:24:55 -03:00
Dominique LaSalle
6eae6247e4 Add parameter for fog max depth and use alpha as density. 2018-11-13 17:19:11 -08:00
Rémi Verschelde
8849d3b47d
Merge pull request #22639 from tagcup/opt 
Avoid some unnecessary calculations in scene.glsl.
 2018-11-12 21:22:57 +01:00
Dominique LaSalle
f39d14dd61 Fix gles3 shader to actually multiply specular light by rev_amount for fog calculations. 2018-10-22 21:09:34 -07:00
Ferenc Arn
35ea827e83 Avoid some unnecessary calculations in scene.glsl. 2018-10-11 10:34:37 -04:00
Juan Linietsky
e0871b0f52 Baker fixes 2018-10-07 11:18:44 -03:00
tagcup
9f4e9fcb81 Optimized GGX G function for GLES2. 
Also changed the mapping of anisotropy to match the common definition.
 2018-09-30 16:33:50 -04:00
Ferenc Arn
e94f6aacee Restore the Fresnel term in the BRDF. 
Was uncommented in 65fd37c, mostly likely by mistake since its important.

Also made a few corrections of specular -> specular_blob_intensity (gles2).
 2018-09-30 12:17:48 -04:00
Juan Linietsky
0de8309b2c Many fixes to GLES2 renderer, fixed compilation issues in GLES3 shaders. 2018-09-29 13:49:34 -03:00
Rémi Verschelde
60312915dc Fix build after 65fd37c1, using Math_PI 
Also fix style in shaders.
 2018-09-23 18:26:57 +02:00
Juan Linietsky
65fd37c149 -Rewrote GLES2 lighting and shadows and optimized state changes, did many optimizations, added vertex lighting. 
-Did some fixes to GLES3 too
 2018-09-23 12:14:50 -03:00
Rémi Verschelde
4226d56ca9 Style: Enable clang-format on GLSL shaders 
As of clang-format 6.0.1, putting the `/* clang-format off */` hint
around our "invalid" `[vertex]` and `[shader]` statements isn't enough
to prevent a bogus indent of the next comments and first valid statement,
so we need to enclose that first valid statement in the unformatted chunk.
 2018-08-27 07:34:14 +02:00
Rémi Verschelde
1b6d75a599 Style: Fix code formatting in GLES3 shaders 2018-08-24 13:42:18 +02:00
Nick Hahn
66eba18969 Fix handling of normals that approach 1 2018-08-12 12:45:43 +02:00
Hugo Locurcio
31c12f05c4
Tweak the default SpatialMaterial properties 
Roughness is now set to 1 by default and albedo is now white,
even on meshes that do not have any materials defined.

This means there is no longer a visual difference between a
mesh with no materials defined and a mesh with a default
SpatialMaterial defined.
 2018-08-07 17:04:30 +02:00
Juan Linietsky
4b549faaab transmission was broken, fix was made. Also fixed treshold. 2018-07-22 14:04:11 -03:00