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563 commits

Author SHA1 Message Date
Fahim Imaduddin Dalvi
ae119f29cf Fixed FOV side effect on light sprite size. 
The light sprite diminished to zero size as the FOV was decreased
(in sim zoom), and increased considerably as the FOV was increased.
This commit fixed this by taking the FOV into account to keep the light
sprite size roughly constant across the valid FOV range.
 2021-09-04 13:41:02 +03:00
Fernando García Liñán
96a6e6c9bf HDR: Implement GTAO (Ground Truth Ambient Occlusion) 2021-09-01 04:26:03 +02:00
Fernando García Liñán
c21951407d HDR: Better technique ordering 2021-08-31 18:42:21 +02:00
Fernando García Liñán
e505c79618 Better handling of transparent objects in Classic 
- model-combined-transparent is deprecated.
- model-transparent can be used to let some rendering pipelines know that
an object is transparent.
- In the case of Classic, model-transparent just inherits from model-default
and the object is rendered normally.
 2021-08-31 18:25:28 +02:00
Fernando García Liñán
3459e7ddfe HDR: Use gl_VertexID instead of the MVP matrix in fullscreen passes 2021-08-31 18:02:38 +02:00
Fernando García Liñán
9f39644199 HDR: Optimize the G-Buffer and do not separate the occlusion texture 
- The G-Buffer layout has been redesigned to be 96 bits per pixel. There are 24
unused bits that can be used for extra material parameters later (like
clearcoat).
- Add better debug views for the G-Buffer.
- Use octahedron normal encoding. This yields the same results as the previous
method but uses 16 bits less.
- Use rg11fb10f for the environment mapping cubemaps.
- Tweak the shadow mapping parameters and add a colored debug mode.
- Only render shadow maps for objects that inherit from model-default.eff or
model-pbr.eff instead of having a fallback Effect. Now transparent objects
should be ignored (if they are marked as such with model-transparent or
similar).
- Remove the separate occlusion texture. Now the PBR Effect expects a single
texture where R=occlusion, G=roughness and B=metallic.
 2021-08-27 00:03:43 +02:00
Fernando García Liñán
55410e9d35 HDR: Port chrome.eff 2021-08-25 14:32:22 +02:00
Fernando García Liñán
9983a0c68c HDR: Water rendering 2021-08-25 04:17:09 +02:00
Fernando García Liñán
eea955168e HDR: Organize shadow-related files and add screen space shadows 2021-08-24 23:38:56 +02:00
Fernando García Liñán
eed433ce9f HDR: Use stencil buffer for optimization purposes 2021-08-23 12:44:26 +02:00
Fernando García Liñán
8662ce0a86 HDR: Add SMAA as the default antialiasing technique 2021-08-23 01:05:41 +02:00
Fernando García Liñán
2443c5bce7 HDR: Fix WS 2.0 ocean tiles and remove hdr-geometry fallback Effect 2021-08-22 18:15:23 +02:00
Stuart Buchanan
a442615c68 WS30: Fix WS30 fragment shaders 2021-08-21 17:15:15 +01:00
Fernando García Liñán
b52fe3bf34 HDR: Remove glass.eff minimum alpha hack 2021-08-19 20:19:55 +02:00
Fernando García Liñán
7ff31e9004 HDR: Properly handle AC3D transparent materials 2021-08-19 18:20:37 +02:00
Fernando García Liñán
212f8fdab9 HDR: Add support for glTF transparent objects 2021-08-19 01:42:32 +02:00
Fernando García Liñán
05994100ea HDR: Better handling of model-combined for backwards compatibility 2021-08-18 12:27:03 +02:00
Fernando García Liñán
f5bc6df9fb HDR: Use a reversed depth buffer to increase precision and avoid Z-fighting 2021-08-17 20:58:48 +02:00
Fernando García Liñán
13df616ca6 HDR: Support glTF models 2021-08-16 17:10:01 +02:00
Fahim Imaduddin Dalvi
81af0f37c2 Shader-based scenery lights. 
This commit implements shader-based scenery lights with support for
efficient rendering of a large number of lights, animations and
directionality. Detailed commit log can be found at [1]. Detailed
discussions can be found on the mailing list [2][3][4].

[1] https://sourceforge.net/u/fahimdalvi/fgdata/ci/feat/scenery-shader-lights/~/tree/
[2] (Timed animation stops working in certain configurations) https://sourceforge.net/p/flightgear/mailman/flightgear-devel/thread/4A7AC359-63B3-4D8A-815B-09823BCEFF27%40gmail.com/#msg37095923
[3] (Shader-based scenery lights) https://sourceforge.net/p/flightgear/mailman/flightgear-devel/thread/63E3C131-7662-4F59-B2E6-03208C78EF96%40gmail.com/#msg37190517
[4] (Shader-based scenery lights Part 2) https://sourceforge.net/p/flightgear/mailman/flightgear-devel/thread/74F18179-CA34-4901-A44E-15498ECC230A%40gmail.com/#msg37331695
 2021-08-07 21:42:20 +03:00
Fernando García Liñán
e745684c33 HDR: Use a better DFG LUT 
The previous one had 8 bit precision, this one has 16 bit precision and is stored on a DDS texture.
 2021-07-31 19:13:19 +02:00
Fernando García Liñán
467468ef3a HDR: Improve exposure and bloom handling 2021-07-31 19:13:19 +02:00
Fernando García Liñán
526491790e HDR: Improve envmap pre-filtering 2021-07-31 19:13:19 +02:00
Fernando García Liñán
5c1c28c536 HDR: Improve PBR Effect 2021-07-31 19:13:19 +02:00
Fernando García Liñán
871654c16f HDR: Better handling of the Sun 
Add transmittance to the Sun illuminance value to get correct colors at every time of day.
Also improved the Sun disk rendering.
 2021-07-31 19:13:19 +02:00
Fernando García Liñán
af29642423 HDR: miscellaneous changes 
- Add an utility linearizeDepth function to help visualize the depth buffer for debug purposes.
- Use 'color0' instead of 'color' for all color attachments.
- Do not write to the HDR buffer if a fragment doesn't need shading (depth = 1).
 2021-07-29 08:45:17 +02:00
Fernando García Liñán
9b9ae5cf38 HDR pipeline: even better atmospheric scattering 
Implementation of "A Scalable and Production Ready Sky and Atmosphere Rendering Technique" by Sébastien Hillaire (2020).
 2021-07-28 09:40:04 +02:00
Fernando García Liñán
016585e176 HDR pipeline: Use MRT to prefilter the environment map 2021-07-26 17:21:20 +02:00
James.Hester
c6b526f343 Create overlay mixing scales based on texture scale. 2021-07-26 11:13:00 +01:00
Fernando García Liñán
9eaef501c7 HDR pipeline: a lot of improvements to atmospheric scattering 2021-07-26 12:11:37 +02:00
Fernando García Liñán
1215f1eba2 HDR pipeline: add placeholder shaders for WS 3.0 2021-07-24 13:35:53 +02:00
Fernando García Liñán
96313e7eb0 Initial commit of the HDR pipeline 2021-07-23 07:46:05 +02:00
Fernando García Liñán
49fa42faac Add shaders for osgText 2021-05-14 22:45:36 +02:00
Erik Hofman
55209d40b5 Cleanup: 
- water.eff: technique 2: air_pollution uniform is not used by water-ALS-base.frag
- water.eff: ocean_flag is now a parameter
- water-inland.eff now inherits from water.eff as it's a copy, except for ocean_flag value
 2021-05-10 11:52:28 +02:00
Stuart Buchanan
8a94ffa7e1 WS30 Use proper inheritance for ws30water 2021-05-08 20:41:58 +01:00
Erik Hofman
5abacfbaf4 Also use the new Gray-Alpha texture for water depth information for ws30 water too. 2021-05-07 15:39:48 +02:00
Erik Hofman
e741d069ab Use the new Gray-Alpha texture for water depth information for inland water too 2021-05-07 15:24:47 +02:00
Erik Hofman
055ce55be4 Use a Gray-Alpha texture for water depth information and use the globe-colors.jpg texture for water color. 2021-05-07 15:14:56 +02:00
Stuart Buchanan
c87798c610 WS30i: Initial coastlines 2021-05-03 15:47:13 +01:00
Erik Hofman
6d0c1439f0 There is no reason not to keep ocean_depth_1 as a JPEG file saving around 120MB of diskspace (and installer space) 2021-05-01 12:55:16 +02:00
Fernando García Liñán
3497d531fc Add dummy techniques to model-combined.eff 
This should fix issues with empty techniques in effects inheriting from model-combined.
 2021-04-29 12:44:58 +02:00
Stuart Buchanan
4db5d00c16 Simplify building.eff, fix lack of orthoTexCoord 2021-04-25 21:36:02 +01:00
James Turner
bde07c8862 Fix inherits-from breaking lightmap.eff fallback 2021-04-22 10:29:59 +01:00
Fernando García Liñán
23f908665f Fix random buildings shader errors 2021-04-16 07:46:35 +02:00
Fernando García Liñán
b6c0e65a38 Fix terrain-overlay.eff not properly checking for geometry shaders 2021-04-02 21:44:17 +02:00
Fernando García Liñán
69387f09f4 Reduce shader complexity and implement graphics presets 
- All non-ALS Effects have been removed (except generic ones from model-default and terrain-default).
- The rendering dialog has been reworked to accomodate the changes.
- All necessary properties have been added to graphics-properties.xml
- Five graphics presets have been added: Minimal, Low, Medium, High and Ultra.
- Some unused properties have been removed from defaults.xml
 2021-03-31 04:05:34 +02:00
Stuart Buchanan
bd4b4ffbec WS30: Clean up WS30 Effect. 
Remove redundant and possibly confusing texture assignment
 2021-03-28 19:48:14 +01:00
Stuart Buchanan
0e578c1e78 WS30: Initial Water Effect and configuration 
Separate Effect and configuration in landclass-mapping.xml
to identify which landclasses should use it.
 2021-03-20 21:52:36 +00:00
Erik Hofman
f3ded8b3c2 Add support for snow on the rooftops 2021-03-02 11:51:27 +01:00
Scott Giese
09d6163ef7 Maintenance: cityLM Effort 
remove leading slash
 2021-02-27 00:26:39 -06:00