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fast inline color fading for bus drivers

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based on upstream color_fade() and color_scale() by @DedeHai
This commit is contained in:
Frank
2026-03-26 12:12:32 +01:00
parent d885677896
commit d948ec667e
2 changed files with 23 additions and 1 deletions
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wled00/bus_manager.cpp
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@@ -1142,7 +1142,7 @@ void __attribute__((hot)) IRAM_ATTR BusHub75Matrix::setPixelColor(uint16_t pix,
uint32_t IRAM_ATTR BusHub75Matrix::getPixelColor(uint16_t pix) const {
// if (pix >= _len || !_ledBuffer) return BLACK; // not necessary - this was already checked at busses.getPixelColor()
#if defined(WLEDMM_FASTPATH) && !defined(WLEDMM_SAVE_FLASH)
return color_fade(uint32_t(_ledBuffer[pix]) & 0x00FFFFFF, _bri); // this is slightly faster if we have inline color_fade()
return color_fade_fast(uint32_t(_ledBuffer[pix]) & 0x00FFFFFF, _bri); // this is slightly faster if we have inline color_fade()
#else
return uint32_t(_ledBuffer[pix].scale8(_bri)) & 0x00FFFFFF; // do it the FastLED way
#endif