Jan/WLED_MM_Infinity
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post-merge

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* replace all remaining sqrt16() with sqrt32_bw()
* align particleGalaxy effects with upstream
This commit is contained in:
Frank
2026-01-17 13:21:02 +01:00
parent 729f623953
commit 1f065f69c2
2 changed files with 6 additions and 8 deletions
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10
wled00/FX_2Dfcn.cpp
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@@ -368,7 +368,7 @@ void IRAM_ATTR_YN Segment::setPixelColorXY(int x, int y, uint32_t col) //WLEDMM:
// WLEDMM setPixelColorXY(float x, float y, uint32_t col, ..) is depricated. use wu_pixel(x,y,col) instead.
// anti-aliased version of setPixelColorXY()
void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast) // WLEDMM some speedups due to fast int and faster sqrt16
void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast) // WLEDMM some speedups due to fast int and faster sqrt32_bw
{
if (Segment::maxHeight==1) return; // not a matrix set-up
if (x<0.0f || x>1.0f || y<0.0f || y>1.0f) return; // not normalized
@@ -400,10 +400,10 @@ void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(sqrtf(dL*dB)*255.0f))); // blend BL pixel
setPixelColorXY(xR, yB, color_blend(col, cXRYB, uint8_t(sqrtf(dR*dB)*255.0f))); // blend BR pixel
} else {
setPixelColorXY(xL, yT, color_blend(col, cXLYT, uint8_t(sqrt16(dL*dT*65025.0f)))); // blend TL pixel // WLEDMM: use faster sqrt16 for integer; perform multiplication by 255^2 before sqrt
setPixelColorXY(xR, yT, color_blend(col, cXRYT, uint8_t(sqrt16(dR*dT*65025.0f)))); // blend TR pixel // this is possible because sqrt(a) * sqrt(b) = sqrt(a * b)
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(sqrt16(dL*dB*65025.0f)))); // blend BL pixel
setPixelColorXY(xR, yB, color_blend(col, cXRYB, uint8_t(sqrt16(dR*dB*65025.0f)))); // blend BR pixel
setPixelColorXY(xL, yT, color_blend(col, cXLYT, uint8_t(sqrt32_bw(dL*dT*65025.0f)))); // blend TL pixel // WLEDMM: use faster sqrt32_bw for integer; perform multiplication by 255^2 before sqrt
setPixelColorXY(xR, yT, color_blend(col, cXRYT, uint8_t(sqrt32_bw(dR*dT*65025.0f)))); // blend TR pixel // this is possible because sqrt(a) * sqrt(b) = sqrt(a * b)
setPixelColorXY(xL, yB, color_blend(col, cXLYB, uint8_t(sqrt32_bw(dL*dB*65025.0f)))); // blend BL pixel
setPixelColorXY(xR, yB, color_blend(col, cXRYB, uint8_t(sqrt32_bw(dR*dB*65025.0f)))); // blend BR pixel
}
} else if (xR!=xL && yT==yB) {
setPixelColorXY(xR, yT, color_blend(col, cXLYT, uint8_t(dL*255.0f))); // blend L pixel