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speedup for pinwheel mapping

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fast sPC() in pinwheel mapping -> ~10% speedup
This commit is contained in:
Frank
2024-07-15 18:06:25 +02:00
parent 98c15d7ec0
commit 961040849e
1 changed files with 14 additions and 1 deletions
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15
wled00/FX_fcn.cpp
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@@ -1004,6 +1004,16 @@ void IRAM_ATTR_YN Segment::setPixelColor(int i, uint32_t col) //WLEDMM: IRAM_ATT
}
break;
case M12_sPinwheel: {
// WLEDMM shortcut when no grouping/spacing used
bool simpleSegment = !reverse && (grouping == 1) && (spacing == 0); // !reverse is just for back-to-back testing against "slow" functions
uint32_t scaled_col = col;
if (simpleSegment) {
// segment brightness must be pre-calculated for the "fast" setPixelColorXY variant!
uint8_t _bri_t = currentBri(on ? opacity : 0);
if (!_bri_t && !transitional) return;
if (_bri_t < 255) scaled_col = color_fade(col, _bri_t);
}
// i = angle --> 0 - 296 (Big), 0 - 192 (Medium), 0 - 72 (Small)
float centerX = roundf((vW-1) / 2.0f);
float centerY = roundf((vH-1) / 2.0f);
@@ -1040,7 +1050,10 @@ void IRAM_ATTR_YN Segment::setPixelColor(int i, uint32_t col) //WLEDMM: IRAM_ATT
int x = posx / Fixed_Scale;
int y = posy / Fixed_Scale;
// set pixel
if (x != lastX || y != lastY) setPixelColorXY(x, y, col); // only paint if pixel position is different
if (x != lastX || y != lastY) { // only paint if pixel position is different
if (simpleSegment) setPixelColorXY_fast(x, y, col, scaled_col, vW, vH);
else setPixelColorXY(x, y, col);
}
lastX = x;
lastY = y;
// advance to next position