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transition optimization (small speedup)

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* move "progress()" into FX.h so the compiler can inline it
* removed redundant checks in  currentBri()
This commit is contained in:
Frank
2025-01-16 18:26:10 +01:00
parent bd31dd2508
commit 8daf9d9ffb
2 changed files with 12 additions and 3 deletions
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12
wled00/FX.h
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@@ -607,12 +607,18 @@ typedef struct Segment {
// transition functions
void startTransition(uint16_t dur); // transition has to start before actual segment values change
void handleTransition(void);
uint16_t progress(void) const; //transition progression between 0-65535
// transition progression between 0-65535
[[gnu::hot]] inline uint16_t progress() const {
if (!transitional || !_t) return 0xFFFFU;
unsigned long timeNow = millis();
if (timeNow - _t->_start > _t->_dur || _t->_dur == 0) return 0xFFFFU;
return (timeNow - _t->_start) * 0xFFFFU / _t->_dur;
}
// WLEDMM method inlined for speed (its called at each setPixelColor)
[[gnu::hot]] inline uint8_t currentBri(uint8_t briNew, bool useCct = false) {
uint32_t prog = (transitional && _t) ? progress() : 0xFFFFU;
if (transitional && _t && prog < 0xFFFFU) {
uint32_t prog = progress();
if (prog < 0xFFFFU) { // progress() < 0xFFFFU implies that _t is valid (see progress() function)
if (useCct) return ((briNew * prog) + _t->_cctT * (0xFFFFU - prog)) >> 16;
else return ((briNew * prog) + _t->_briT * (0xFFFFU - prog)) >> 16;
} else {

3
wled00/FX_fcn.cpp
View File

@@ -451,6 +451,8 @@ void Segment::startTransition(uint16_t dur) {
transitional = true; // setOption(SEG_OPTION_TRANSITIONAL, true);
}
// WLEDMM Segment::progress() is declared inline, see FX.h
#if 0
// transition progression between 0-65535
uint16_t IRAM_ATTR_YN Segment::progress() const {
if (!transitional || !_t) return 0xFFFFU;
@@ -458,6 +460,7 @@ uint16_t IRAM_ATTR_YN Segment::progress() const {
if (timeNow - _t->_start > _t->_dur || _t->_dur == 0) return 0xFFFFU;
return (timeNow - _t->_start) * 0xFFFFU / _t->_dur;
}
#endif
// WLEDMM Segment::currentBri() is declared inline, see FX.h
#if 0