Module tonemapping

Tonemapping from an HDR texture to SDR.

References

• https://github.com/KhronosGroup/glTF-Sample-Viewer/blob/5b1b7f48a8cb2b7aaef00d08fdba18ccc8dd331b/source/Renderer/shaders/tonemapping.glsl
• https://64.github.io/tonemapping

Structs

Tonemap

TonemapConstants

Tonemapping

Conducts HDR tone mapping.

Functions

bindgroup_layout

create_bindgroup

linear_to_srgb

Linear to sRGB approximation. See http://chilliant.blogspot.com/2012/08/srgb-approximations-for-hlsl.html

srgb_to_linear

sRGB to linear approximation. See http://chilliant.blogspot.com/2012/08/srgb-approximations-for-hlsl.html

srgba_to_linear

sRGB to linear approximation. See http://chilliant.blogspot.com/2012/08/srgb-approximations-for-hlsl.html

tone_map_aces_hill

tone_map_aces_narkowicz

ACES tone map (faster approximation) see: https://knarkowicz.wordpress.com/2016/01/06/aces-filmic-tone-mapping-curve

tone_map_reinhard

tonemap

tonemapping_fragment

tonemapping_vertex