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71e9c13b94de935bdf3f9cd1ddbed8351706fe99
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71 Commits

Author SHA1 Message Date
Philip Rideout
beaf751604 filamesh: Compress attributes individually. 
This further reduces compressed suzanne from 333489 bytes to 272761.

Tested with vk_hellopbr and tutorial_suzanne.html

Issue #558
 2018-12-05 17:15:52 -08:00
Romain Guy
e6cb4d0dfa Update sample screenshots in README 2018-11-28 11:43:13 -08:00
François Guthmann
9915ec7841 EV100 formula typo (#543) 
Forgot the parenthesis when I corrected it, I'm sorry...
 2018-11-28 09:31:13 -08:00
François Guthmann
78804251e9 Corrected typo in formula (#519) 
It looks like there is a minus sign missing in there, see https://www.wolframalpha.com/input/?i=(((1%2Bsqrt(x))+%2F+(1+-+sqrt(x)))+-+1.5)+%2F+(((1%2Bsqrt(x))+%2F+(1+-+sqrt(x)))+%2B+1.5)

I'm not sure what the code does though https://github.com/google/filament/blob/master/shaders/src/brdf.fs#L282
 2018-11-23 10:09:54 -08:00
François Guthmann
5a402dc6a8 Corrected exposure from ev100 formula (#518) 
The new formula should be the correct one according to this document (first line p86): https://seblagarde.files.wordpress.com/2015/07/course_notes_moving_frostbite_to_pbr_v32.pdf
 2018-11-22 10:03:29 -08:00
Romain Guy
55dd612c64 Add screenshots to Android samples' README (#513) 
This change also optimizes the size of existing images using squoosh.app.
This should make the main README a lot lighter and faster to load (it saves
several MiBs).
 2018-11-21 14:16:21 -08:00
Philip Rideout
1ed8618cca Refresh website to publish new tutorial. 2018-11-16 17:21:18 -08:00
Romain Guy
0938051579 Fix docs 2018-11-15 16:57:16 -08:00
Vallentin
81e8035cbb Fixed typos (#487) 2018-11-14 09:19:04 -08:00
Philip Rideout
73a2ef7944 Add favicon. 2018-11-13 12:07:57 -08:00
Philip Rideout
7c2c4f3b11 Fix parquet wrap mode. 2018-11-13 12:07:47 -08:00
Philip Rideout
0faf7bbcb6 Publish Hugo site and web tutorials. 
This performs the steps described in site/README in order to publish
the Hugo site to GitHub Pages:

    https://google.github.io/filament
 2018-11-13 11:24:41 -08:00
Romain Guy
bb3e9a47e5 Update link to CIE colormetric tables 
Fixes #452
 2018-11-05 15:53:41 -08:00
Philip Rideout
a42dcd2291 JavaScript code re-org (#443) 
This removes the old CPP-based web samples in favor of the new JS API.

The `web/samples` folder will be added in a subsequent commit.
 2018-11-01 17:05:30 -07:00
François Guthmann
4177eb14ed Removed typo (#322) 
The word 'from' was repeated twice unnecessarily.
 2018-10-01 11:19:02 -07:00
Mathias Agopian
3bf0d6a4ab document artifacts due to giving up mipmaps (#299) 
* document artifacts due to giving up mipmaps

- also talk about lod remapping
- try to avoid to confuse alpha with roughness

* fix typos
 2018-09-24 16:14:52 -07:00
Mathias Agopian
22f7599e73 Try to clarify the sections about cubemaps (#296) 
* Try to clarify the sections about cubemaps

* fix typos and spelling

* don’t mention filament’s APIs by name
 2018-09-24 12:54:22 -07:00
Romain Guy
234dbaf00b Clarify IBL evaluation steps 2018-09-19 18:50:48 -07:00
Mathias Agopian
670d9986f3 fix typo and improve language in important sampling doc (#271) 2018-09-19 10:44:26 -07:00
Mathias Agopian
a14ceb5dca better explanation of the Jacobian used in importance sampling 2018-09-18 22:57:54 -07:00
Mathias Agopian
0f5e501dda Add images illustrating IBL prefiltering errors. (#268) 2018-09-18 19:08:21 -07:00
Mathias Agopian
df0594872e rewrite IBL prefiltering documentation 2018-09-18 14:45:47 -07:00
Mathias Agopian
cb88609015 fix @romainguy comments and improve equations 2018-09-18 14:45:47 -07:00
Mathias Agopian
d3e6fa1005 WIP: better explication of the “split-sum” 
DO NOT MERGE
 2018-09-18 14:45:47 -07:00
Romain Guy
e4c9fd2ac1 Fix documentation typos 2018-09-18 10:33:40 -07:00
Romain Guy
41d70cb30a Fix anisotropy BRDF on mobile (#245) 
mediump computations are not enough for certain roughness values.
 2018-09-13 18:31:08 -07:00
Romain Guy
cc102be69f Fix docs typo 
Closes #228
 2018-09-10 10:19:16 -07:00
A. Tombs
f78a680b9c Documentation grammar and typo fixes (#174) 
* Missing parameter in visibility function equation

The visibility function V_1 depends on l (or v) and alpha, but alpha was omitted in one equation.

* Fix typo its vs it is

* Fix typo usign -> using

* Fix typo algorightm -> algorithm

* Fix typo later -> latter

* Grammar: much less -> many fewer

* Fix missing equation label

Equation was referred to in the text, but did not have its label defined, causing the reference to show up as ???.

* Fix typo itentiy -> itentity

* Fix typo apperance -> appearance

* Fix typo participe -> participate

* Fix typo: scaterring -> scattering

* Consistency: grey -> gray

Since the document mostly uses American English, replace occurrences of "grey" (preferred spelling in UK) with "gray" (preferred spelling in US).

* Fix typo: interemdiate -> intermediate

* Fix typo: anistropic -> anisotropic

* Style: gaussian -> Gaussian

* Fix typo: particulary -> particularly

* Fix typo: subsitution -> substitution

* Fix typo: fomulate -> formulate

* Fix typo: evector -> vector

* Fix typo: tempetature -> temperature

* Fix typo: ar -> at

* Style: lambertian -> Lambertian

* Fix typo: disapears -> disappears

* Fix typo: acounting -> accounting

* Fix typo: simplificationss -> simplifications

* Fix typo: subsitute -> substitute

* Style: light saber -> lightsaber

* Fix typo: cooordinates -> coordinates

* Fix typo: probaility -> probability

* Fix typo: Hammersely -> Hammersley

* Fix typo: Mistuba -> Mitsuba
 2018-08-28 11:35:53 -07:00
Romain Guy
88fb551d30 Explains sq() in code snippet 
Closes #171
 2018-08-28 10:57:59 -07:00
Romain Guy
d74811d5e7 Fix typo in multiscatter equation 
Fixes #167
 2018-08-28 09:01:36 -07:00
Romain Guy
89743004f3 Use n instead of shading_normal 2018-08-27 13:35:21 -07:00
Romain Guy
1740f23be4 Remove unnecessary code 2018-08-27 13:34:43 -07:00
Romain Guy
4c2b538422 Explain fp16 transform of the NDF 2018-08-27 13:32:14 -07:00
Tim van Scherpenzeel
966d1e5de2 fixed three small spelling mistakes (#149) 2018-08-26 10:01:41 -07:00
Romain Guy
4585b8f896 Add clearCoatNormal property (#131) 
* Add clear coat normal map support

This change allows to set a separate normal map for the clear coat layer of a material.

* Document the new clearCoatNormal property

* Fix typo
 2018-08-24 08:56:44 -07:00
Romain Guy
f8c87f8f81 Update screenshots 2018-08-22 16:29:32 -07:00
Romain Guy
d237406ccd Clean up multiscatter and single scatter specular combination 2018-08-22 15:58:04 -07:00
Romain Guy
b587ec3f43 Fix revision formatting 2018-08-21 15:55:48 -07:00
Romain Guy
b86928179b Document energy compensation for multiscattering BRDFs (#121) 
* Document better BRDFs

- Document the loss of energy in the specular BRDF
- Start documenting the gain of energy in the diffuse BRDF

* Explain energy compensation with second scaled lobe

* Add multiscattering pre-integration
 2018-08-21 15:51:54 -07:00
Romain Guy
424fd3a6e6 Add more f0 sample values 2018-08-20 14:53:35 -07:00
Romain Guy
ae1ad6f8b0 Describe F a bit more 2018-08-17 12:06:20 -07:00
Romain Guy
7a296f3d6b Add revisions section to the documentation 2018-08-17 10:09:08 -07:00
Romain Guy
f3e0137c2b Fix misguiding comments in the docs 2018-08-16 18:25:10 -07:00
Romain Guy
50bb3f3530 Add energy conservation/loss images for documentation 2018-08-16 16:44:00 -07:00
Romain Guy
70f5bc4291 Add section on specular colors 
It explains how to compute f0 for conductors from measured spectral data.
 2018-08-16 16:10:13 -07:00
Romain Guy
7547cd9ee5 Update images for the documentation 2018-08-15 13:57:48 -07:00
Romain Guy
24dc24ce86 Add explanations about the Fresnel term 2018-08-15 13:13:48 -07:00
Romain Guy
3a538f90c8 Update docs 2018-08-13 12:22:53 -07:00
Omar Shehata
41bbac7098 Fix typo (#85) 
Fixing a typo in the overview section.
 2018-08-13 07:44:31 -07:00
Romain Guy
12da05e249 Update docs 2018-08-09 17:41:07 -07:00