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bevy/examples/3d
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Bram Buurlage d390420093
Implement Auto Exposure plugin (#12792) 
# Objective

- Add auto exposure/eye adaptation to the bevy render pipeline.
- Support features that users might expect from other engines:
  - Metering masks
  - Compensation curves
  - Smooth exposure transitions 

This PR is based on an implementation I already built for a personal
project before https://github.com/bevyengine/bevy/pull/8809 was
submitted, so I wasn't able to adopt that PR in the proper way. I've
still drawn inspiration from it, so @fintelia should be credited as
well.

## Solution

An auto exposure compute shader builds a 64 bin histogram of the scene's
luminance, and then adjusts the exposure based on that histogram. Using
a histogram allows the system to ignore outliers like shadows and
specular highlights, and it allows to give more weight to certain areas
based on a mask.

---

## Changelog

- Added: AutoExposure plugin that allows to adjust a camera's exposure
based on it's scene's luminance.

---------

Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
2024-05-03 17:45:17 +00:00
..
3d_scene.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
3d_shapes.rs Implement percentage-closer filtering (PCF) for point lights. (#12910) 2024-04-10 20:16:08 +00:00
3d_viewport_to_world.rs separating finite and infinite 3d planes (#12426) 2024-04-18 14:13:22 +00:00
animated_material.rs Add hue traits (#12399) 2024-03-22 00:36:46 +00:00
anti_aliasing.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
atmospheric_fog.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
auto_exposure.rs Implement Auto Exposure plugin (#12792) 2024-05-03 17:45:17 +00:00
blend_modes.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
bloom_3d.rs Improve Bloom 3D lighting (#11981) 2024-03-07 15:20:38 +00:00
color_grading.rs Fix CI error on new color grading example (#13180) 2024-05-02 13:40:45 +00:00
deferred_rendering.rs Implement GPU frustum culling. (#12889) 2024-04-28 12:50:00 +00:00
fog.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
generate_custom_mesh.rs Clarify comment about camera coordinate system (#13056) 2024-04-23 14:58:28 +00:00
irradiance_volumes.rs separating finite and infinite 3d planes (#12426) 2024-04-18 14:13:22 +00:00
lighting.rs Fix pink colors in examples (#12451) 2024-03-18 17:44:46 +00:00
lightmaps.rs fix example lightmaps after color migration (#12265) 2024-03-03 21:36:11 +00:00
lines.rs Intern mesh vertex buffer layouts so that we don't have to compare them over and over. (#12216) 2024-03-01 20:56:21 +00:00
load_gltf.rs New Exposure and Lighting Defaults (and calibrate examples) (#11868) 2024-02-15 20:42:48 +00:00
meshlet.rs Example setup for tooling (#13088) 2024-05-02 20:10:09 +00:00
motion_blur.rs Per-Object Motion Blur (#9924) 2024-04-25 01:16:02 +00:00
orthographic.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
parallax_mapping.rs Move close_on_esc to bevy_dev_tools (#12855) 2024-04-03 01:29:06 +00:00
parenting.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
pbr.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
reflection_probes.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
render_to_texture.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
shadow_biases.rs Implement percentage-closer filtering (PCF) for point lights. (#12910) 2024-04-10 20:16:08 +00:00
shadow_caster_receiver.rs Remove redundant imports (#12817) 2024-04-01 19:59:08 +00:00
skybox.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
spherical_area_lights.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
split_screen.rs Fix "dark grey" colors becoming lighter in various examples (#12333) 2024-03-06 05:19:59 +00:00
spotlight.rs Adding explanation to seeded rng used in examples (#12593) 2024-03-26 19:40:18 +00:00
ssao.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
texture.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
tonemapping.rs Implement filmic color grading. (#13121) 2024-05-02 12:18:59 +00:00
transmission.rs Implement filmic color grading. (#13121) 2024-05-02 12:18:59 +00:00
transparency_3d.rs Implement alpha to coverage (A2C) support. (#12970) 2024-04-15 20:37:52 +00:00
two_passes.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
update_gltf_scene.rs New Exposure and Lighting Defaults (and calibrate examples) (#11868) 2024-02-15 20:42:48 +00:00
vertex_colors.rs Migrate from LegacyColor to bevy_color::Color (#12163) 2024-02-29 19:35:12 +00:00
visibility_range.rs Implement visibility ranges, also known as hierarchical levels of detail (HLODs). (#12916) 2024-05-03 00:11:35 +00:00
wireframe.rs Use WireframeColor to override global color (#13034) 2024-04-20 13:59:12 +00:00