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setRealtimePixel speedup

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cache strip.getMainSegment(),  strip.getLengthTotal()), seg.length() instead of re-calculating them for each pixel
This commit is contained in:
Frank
2025-12-21 23:11:15 +01:00
parent 577d80d2ef
commit 21a452333e
1 changed files with 19 additions and 4 deletions
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23
wled00/udp.cpp
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@@ -150,6 +150,11 @@ void notify(byte callMode, bool followUp)
notificationCount = followUp ? notificationCount + 1 : 0;
}
// WLEDMM cache current main segment: updated in realtimeLock, reset in exitRealtime, used in setRealTimePixel
static Segment* theMainSeg = nullptr;
static int theMainSegLength = 0;
static int theStripLength = 0;
void realtimeLock(uint32_t timeoutMs, byte md)
{
if (!realtimeMode && !realtimeOverride) {
@@ -197,6 +202,12 @@ void realtimeLock(uint32_t timeoutMs, byte md)
}
realtimeMode = md;
// WLEDMM cache current "main segment"
Segment& mainSegRef = strip.getMainSegment();
theMainSeg = &mainSegRef; //convert from reference to pointer
theMainSegLength = realtimeOverride ? 0 : theMainSeg->length();
theStripLength = realtimeOverride ? 0 : strip.getLengthTotal();
if (realtimeOverride) return;
if (arlsForceMaxBri) strip.setBrightness(scaledBri(255), true);
if (briT > 0 && md == REALTIME_MODE_GENERIC) strip.show();
@@ -216,6 +227,10 @@ void exitRealtime() {
} else {
strip.show(); // possible fix for #3589
}
// WLEDMM invalide cached main segment pointer and length
theMainSeg = nullptr;
theMainSegLength = 0;
theStripLength = 0;
busses.invalidateCache(false); // WLEDMM
USER_PRINTLN(F("exitRealtime() realtime mode ended."));
updateInterfaces(CALL_MODE_WS_SEND);
@@ -650,8 +665,8 @@ void handleNotifications()
void setRealtimePixel(uint16_t i, byte r, byte g, byte b, byte w)
{
uint16_t pix = i + arlsOffset;
if (pix < strip.getLengthTotal()) {
int pix = i + arlsOffset;
if (pix < theStripLength) { // WLEDMM use cached length
if (!arlsDisableGammaCorrection && gammaCorrectCol) {
r = gamma8(r);
g = gamma8(g);
@@ -659,8 +674,8 @@ void setRealtimePixel(uint16_t i, byte r, byte g, byte b, byte w)
w = gamma8(w);
}
if (useMainSegmentOnly) {
Segment &seg = strip.getMainSegment();
if (pix<seg.length()) seg.setPixelColor(pix, r, g, b, w);
//Segment &seg = strip.getMainSegment();
if ((theMainSeg) && (pix < theMainSegLength)) theMainSeg->setPixelColor(pix, r, g, b, w); // WLEDMM used cached main segment
} else {
strip.setPixelColor(pix, r, g, b, w);
}