jeans/WLED
jeans/WLED
1
0
Fork 0
mirror of https://github.com/wled/WLED.git synced 2025-07-30 06:06:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

PS Bugfix: revert gamma correction for color, not brightness setting

Browse Source
This commit is contained in:
Damian Schneider 2025-07-29 19:35:12 +02:00
parent 591dbe387c
commit b76ef231fc
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
wled00/FXparticleSystem.cpp
View File

@ -601,7 +601,7 @@ void ParticleSystem2D::render() {
hsv2rgb(baseHSV, baseRGB.color32); // convert back to RGB
}
}
if(gammaCorrectBri) brightness = gamma8(brightness); // apply gamma correction, used for gamma-inverted brightness distribution
if(gammaCorrectCol) brightness = gamma8(brightness); // apply gamma correction, used for gamma-inverted brightness distribution
renderParticle(i, brightness, baseRGB, particlesettings.wrapX, particlesettings.wrapY);
}
@ -675,7 +675,7 @@ __attribute__((optimize("O2"))) void ParticleSystem2D::renderParticle(const uint
// - scale brigthness with gamma correction (done in render())
// - apply inverse gamma correction to brightness values
// - gamma is applied again in show() -> the resulting brightness distribution is linear but gamma corrected in total
if(gammaCorrectBri) {
if(gammaCorrectCol) {
pxlbrightness[0] = gamma8inv(pxlbrightness[0]); // use look-up-table for invers gamma
pxlbrightness[1] = gamma8inv(pxlbrightness[1]);
pxlbrightness[2] = gamma8inv(pxlbrightness[2]);
@ -1458,7 +1458,7 @@ void ParticleSystem1D::render() {
hsv2rgb(baseHSV, baseRGB.color32); // convert back to RGB
}
}
if(gammaCorrectBri) brightness = gamma8(brightness); // apply gamma correction, used for gamma-inverted brightness distribution
if(gammaCorrectCol) brightness = gamma8(brightness); // apply gamma correction, used for gamma-inverted brightness distribution
renderParticle(i, brightness, baseRGB, particlesettings.wrap);
}
// apply smear-blur to rendered frame
@ -1519,7 +1519,7 @@ __attribute__((optimize("O2"))) void ParticleSystem1D::renderParticle(const uint
// - scale brigthness with gamma correction (done in render())
// - apply inverse gamma correction to brightness values
// - gamma is applied again in show() -> the resulting brightness distribution is linear but gamma corrected in total
if(gammaCorrectBri) {
if(gammaCorrectCol) {
pxlbrightness[0] = gamma8inv(pxlbrightness[0]); // use look-up-table for invers gamma
pxlbrightness[1] = gamma8inv(pxlbrightness[1]);
}