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97 commits

Author SHA1 Message Date
WeaselShoppe
1912cc3eef lightmap capture broken on webgl1.0 
lightmap capture uniform definition caused shader compile errors on WebGL1.0
 2021-01-31 20:52:02 -06:00
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
Firepal
ec7a9ca018 Use correct normal for ReflectionProbe in GLES2 2020-11-26 13:08:30 +01:00
clayjohn
910f8719a0 Fix array constructor for lightmaps 2020-01-15 17:41:46 -08:00
clayjohn
676f647c74 Add a default POINT_SIZE 2019-12-10 23:08:20 -08:00
clayjohn
334d41d7cc Fix Specular Blinn function 2019-11-22 22:03:26 -08:00
clayjohn
4d6737ec73 Fix bugs introduced by IBL fixes 2019-11-20 22:54:44 -08:00
clayjohn
cd40154890 Fix issues with environment mapping 2019-11-19 22:30:48 -08:00
clayjohn
7b3d098b2b Fixed using compressed textures and add work around for firefox webgl mesa sampler limit 2019-10-27 23:53:52 -07:00
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
Chaosus
8b4c538ab2 Expose several GLES3 built-ins to GLES2 2019-07-31 19:00:10 +03:00
RaphaelHunter
47df933c27 update algorithm about paking float to vec4 to fix shadow shift and change rgba_shdow options 2019-07-28 11:43:01 +08:00
clayjohn
150487e728 fix gles2 shadow transparency bug 2019-07-21 23:52:19 -07:00
clayjohn
80d732082b scale vertex lit lights by envorionment scale 2019-06-19 16:20:14 -07:00
clayjohn
3365595254 do not compute fog when using unshaded in GLES2 2019-05-23 17:17:27 -07:00
Bastiaan Olij
3ea778e66e Implement shadow to opacity 2019-05-21 20:07:46 +10:00
Rémi Verschelde
aa3c5f59f2
Merge pull request #27898 from clayjohn/metallic_radiance 
Added radiance when using clear color
 2019-05-14 07:32:01 +02:00
clayjohn
5c252092e1 added radiance when using clear color and fixed brdf 2019-05-13 12:26:54 -07:00
Rémi Verschelde
86a74e2cb3
Merge pull request #27798 from clayjohn/gles2-proj-mat-bug 
Fixes bug when setting projection matrix in shader GLES2
 2019-05-13 17:59:40 +02:00
Guilherme Souza
b363125568 Fix SHADOWS_DISABLED flag in GLES2 
Signed-off-by: Guilherme Souza <gdsdsilva@inf.ufpel.edu.br>
 2019-05-07 12:42:28 -03:00
clayjohn
e37d723695 fixes bug when setting projection matrix 2019-04-30 08:36:38 -07:00
Rémi Verschelde
a3617f6ca8
Merge pull request #28431 from SouzaGuilherme/master 
Adds flag AMBIENT_LIGHT_DISABLED to GLES2
 2019-04-29 16:55:36 +02:00
Guilherme Souza
61a844aa61 Adds flag AMBIENT_LIGHT_DISABLED to GLES2 
Signed-off-by: Guilherme Souza <gdsdsilva@inf.ufpel.edu.br>
 2019-04-25 20:25:05 -03:00
clayjohn
5056b4a02c keep DEPTH from causing compile error in GLES2 2019-03-28 22:14:41 -07:00
Rémi Verschelde
3ebde6fac3 GLES2: Fix comments in previous commit that broke rendering (!) 
Do NOT use "[vertex]" in a comment...

Kids, don't try to learn OpenGL on a production branch right before
a stable release.
 2019-03-12 00:26:56 +01:00
Rémi Verschelde
74e224f2c7 GLES2: Add comments around EXT_shader_texture_lod check 
To avoid reintroducing bugs as I did in #26928 and #26932.

texture2DLodEXT and textureCubeLodEXT are only for the fragment shader with
https://www.khronos.org/registry/OpenGL/extensions/EXT/EXT_shader_texture_lod.txt
In the vertex shader, texture2DLod and textureCubeLod are built-in.
 2019-03-11 23:18:21 +01:00
Rémi Verschelde
764671d2d0 Revert "GLES2: Ensure extension checks for texture2DLod" 
This reverts commit f5f565e3e4.
 2019-03-11 23:12:49 +01:00
Rémi Verschelde
4cdb2d0502 Revert "GLES2: Fix regression on texture2DLod extension checks" 
This reverts commit 8c2d38152f.
 2019-03-11 23:12:39 +01:00
Rémi Verschelde
8c2d38152f GLES2: Fix regression on texture2DLod extension checks 
These can't be done after any non-preprocessor token.
 2019-03-11 21:59:20 +01:00
Rémi Verschelde
f5f565e3e4 GLES2: Ensure extension checks for texture2DLod 
In canvas.glsl and scene.glsl, we were using texel2DFetch from stdlib.glsl,
which uses texture2DLod. In both cases, the stdlib.glsl include came before
the define of texture2DLod.

Might fix issues for drivers that don't support GL_EXT_shader_texture_lod.
 2019-03-11 19:34:31 +01:00
Rémi Verschelde
b811207406 More style cleanup... 2019-03-04 10:11:29 +01:00
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
Rémi Verschelde
0ba75c195e Fix GCC 5 build after #26331 and cleanup style 
Also cleanup after 01a3dd3.
 2019-02-27 09:01:24 +01:00
Rémi Verschelde
e47b4bdc3d
Merge pull request #26286 from kaadmy/gles2_ortho_shadow 
Fix orthographic shadow color when using GLES2
 2019-02-26 08:50:42 +01:00
Juan Linietsky
a32b26dfa2 Several fixes to make GLES2 on HTML5 work much better. 
Changed math class error reporting to be a bit less paranoid.
 2019-02-25 21:47:29 -03:00
KaadmY
e1a34d0728 Fix orthographic shadow color when using GLES2 2019-02-25 13:57:23 -08:00
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
d79c8d7655 Fix vertex lighting in GLES2, closes #25365 2019-02-23 19:53:04 -03:00
Juan Linietsky
aab8f443f9 -Support DEPTH_TEXTURE in GLES2, fixes #25106 
-Fix use of transparent framebuffers in GLES2
-Fix use of ambient color clearing in GLES2 when no environment exists.
 2019-02-22 11:35:39 -03:00
Rémi Verschelde
c4b736d7ad Fix code style issues 2019-02-22 09:52:27 +01:00
clayjohn
9b0326d2f3 added shadow_color property to gles2 2019-02-17 23:57:57 -08:00
Juan Linietsky
4af8009b9d Fix fog in GLES2 by using epic hack, closes #25410 2019-02-12 14:35:16 -03:00
Juan Linietsky
2e5ede7a4e Properly discard fragments during depth prepass opaque pass, fixes #23321 2019-01-27 20:20:07 -03:00
Juan Linietsky
b32298a660 Ensure WebGL uses highp by default, and fix some wrong mediump usages. Fixes #22962. 2019-01-24 18:58:42 -03:00
Juan Linietsky
2d57ec2460 Fix problem with texture2Dlod, closes #25263 2019-01-23 17:06:37 -03:00
Juan Linietsky
4f4e46edd5 Implement unpacking for compressed vertex formats on GLES2 when not supported, fixes #22957 2019-01-22 21:57:09 -03:00
Rémi Verschelde
1504c96112
Merge pull request #24539 from BastiaanOlij/override_gl_position 
Override GL_position
 2019-01-04 15:40:05 +01:00
Avril
971c05dc5e fixes glsl syntax error 2018-12-29 15:37:50 +01:00