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(experimental) tweak optimization level of color functions

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Frank
2025-10-25 23:59:29 +02:00
parent 4713f26bb8
commit 0071677340
2 changed files with 9 additions and 7 deletions
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9
wled00/colorTools.hpp
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@@ -25,8 +25,9 @@
/*
* color blend function (from colors.cpp)
*/
inline __attribute__((hot,const)) uint32_t color_blend(uint32_t color1, uint32_t color2, uint_fast16_t blend, bool b16=false) {
if ((color1 == color2) || (blend == 0)) return color1; // WLEDMM
inline WLED_O3_ATTR __attribute__((hot,const)) uint32_t color_blend(uint32_t color1, uint32_t color2, uint_fast16_t blend, bool b16=false) {
// min / max blend checking is omitted: calls with 0 or 255 are rare, checking lowers overall performance
// if ((color1 == color2) || (blend == 0)) return color1; // WLEDMM
const uint_fast16_t blendmax = b16 ? 0xFFFF : 0xFF;
if(blend >= blendmax) return color2;
const uint_fast8_t shift = b16 ? 16 : 8;
@@ -64,7 +65,7 @@ inline __attribute__((hot,const)) uint32_t color_blend(uint32_t color1, uint32_t
* idea: https://github.com/Aircoookie/WLED/pull/2465 by https://github.com/Proto-molecule
*/
inline __attribute__((hot,const)) uint32_t color_add(uint32_t c1, uint32_t c2, bool fast=false)
inline WLED_O3_ATTR __attribute__((hot,const)) uint32_t color_add(uint32_t c1, uint32_t c2, bool fast=false)
{
if (c2 == 0) return c1; // WLEDMM shortcut
if (c1 == 0) return c2; // WLEDMM shortcut
@@ -98,7 +99,7 @@ inline __attribute__((hot,const)) uint32_t color_add(uint32_t c1, uint32_t c2, b
* if using "video" method the resulting color will never become black unless it is already black
*/
inline __attribute__((hot,const)) uint32_t color_fade(uint32_t c1, uint8_t amount, bool video=false)
inline WLED_O2_ATTR __attribute__((hot,const)) uint32_t color_fade(uint32_t c1, uint8_t amount, bool video=false)
{
if (c1 == 0 || amount == 0) return 0; // black or no change
if (amount == 255) return c1;