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revert removal of adding with saturation, renamed 'fast' to 'saturate'

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- blurring now uses desaturated adding: it is faster most of the times and blurring adds scaled colors so should rarely (ever?) saturate, I saw no visual difference in tests.
- formatting
This commit is contained in:
Damian Schneider 2024-09-19 08:49:18 +02:00
parent 696290527a
commit a88436c620
5 changed files with 33 additions and 24 deletions
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18
wled00/FX.h
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@ -595,9 +595,9 @@ typedef struct Segment {
void fadeToBlackBy(uint8_t fadeBy);
inline void blendPixelColor(int n, uint32_t color, uint8_t blend) { setPixelColor(n, color_blend(getPixelColor(n), color, blend)); }
inline void blendPixelColor(int n, CRGB c, uint8_t blend) { blendPixelColor(n, RGBW32(c.r,c.g,c.b,0), blend); }
inline void addPixelColor(int n, uint32_t color) { setPixelColor(n, color_add(getPixelColor(n), color)); }
inline void addPixelColor(int n, byte r, byte g, byte b, byte w = 0) { addPixelColor(n, RGBW32(r,g,b,w)); }
inline void addPixelColor(int n, CRGB c) { addPixelColor(n, RGBW32(c.r,c.g,c.b,0)); }
inline void addPixelColor(int n, uint32_t color, bool saturate = false) { setPixelColor(n, color_add(getPixelColor(n), color, saturate)); }
inline void addPixelColor(int n, byte r, byte g, byte b, byte w = 0, bool saturate = false) { addPixelColor(n, RGBW32(r,g,b,w), saturate); }
inline void addPixelColor(int n, CRGB c, bool saturate = false) { addPixelColor(n, RGBW32(c.r,c.g,c.b,0), saturate); }
inline void fadePixelColor(uint16_t n, uint8_t fade) { setPixelColor(n, color_fade(getPixelColor(n), fade, true)); }
[[gnu::hot]] uint32_t color_from_palette(uint16_t, bool mapping, bool wrap, uint8_t mcol, uint8_t pbri = 255) const;
[[gnu::hot]] uint32_t color_wheel(uint8_t pos) const;
@ -632,9 +632,9 @@ typedef struct Segment {
// 2D support functions
inline void blendPixelColorXY(uint16_t x, uint16_t y, uint32_t color, uint8_t blend) { setPixelColorXY(x, y, color_blend(getPixelColorXY(x,y), color, blend)); }
inline void blendPixelColorXY(uint16_t x, uint16_t y, CRGB c, uint8_t blend) { blendPixelColorXY(x, y, RGBW32(c.r,c.g,c.b,0), blend); }
inline void addPixelColorXY(int x, int y, uint32_t color) { setPixelColorXY(x, y, color_add(getPixelColorXY(x,y), color)); }
inline void addPixelColorXY(int x, int y, byte r, byte g, byte b, byte w = 0) { addPixelColorXY(x, y, RGBW32(r,g,b,w)); }
inline void addPixelColorXY(int x, int y, CRGB c) { addPixelColorXY(x, y, RGBW32(c.r,c.g,c.b,0)); }
inline void addPixelColorXY(int x, int y, uint32_t color, bool saturate = false) { setPixelColorXY(x, y, color_add(getPixelColorXY(x,y), color, saturate)); }
inline void addPixelColorXY(int x, int y, byte r, byte g, byte b, byte w = 0, bool saturate = false) { addPixelColorXY(x, y, RGBW32(r,g,b,w), saturate); }
inline void addPixelColorXY(int x, int y, CRGB c, bool saturate = false) { addPixelColorXY(x, y, RGBW32(c.r,c.g,c.b,0), saturate); }
inline void fadePixelColorXY(uint16_t x, uint16_t y, uint8_t fade) { setPixelColorXY(x, y, color_fade(getPixelColorXY(x,y), fade, true)); }
void box_blur(unsigned r = 1U, bool smear = false); // 2D box blur
void blur2D(uint8_t blur_amount, bool smear = false);
@ -670,9 +670,9 @@ typedef struct Segment {
inline uint32_t getPixelColorXY(int x, int y) { return getPixelColor(x); }
inline void blendPixelColorXY(uint16_t x, uint16_t y, uint32_t c, uint8_t blend) { blendPixelColor(x, c, blend); }
inline void blendPixelColorXY(uint16_t x, uint16_t y, CRGB c, uint8_t blend) { blendPixelColor(x, RGBW32(c.r,c.g,c.b,0), blend); }
inline void addPixelColorXY(int x, int y, uint32_t color) { addPixelColor(x, color); }
inline void addPixelColorXY(int x, int y, byte r, byte g, byte b, byte w = 0) { addPixelColor(x, RGBW32(r,g,b,w)); }
inline void addPixelColorXY(int x, int y, CRGB c) { addPixelColor(x, RGBW32(c.r,c.g,c.b,0)); }
inline void addPixelColorXY(int x, int y, uint32_t color, bool saturate = false) { addPixelColor(x, color, saturate); }
inline void addPixelColorXY(int x, int y, byte r, byte g, byte b, byte w = 0, bool saturate = false) { addPixelColor(x, RGBW32(r,g,b,w), saturate); }
inline void addPixelColorXY(int x, int y, CRGB c, bool saturate = false) { addPixelColor(x, RGBW32(c.r,c.g,c.b,0), saturate); }
inline void fadePixelColorXY(uint16_t x, uint16_t y, uint8_t fade) { fadePixelColor(x, fade); }
inline void box_blur(unsigned i, bool vertical, fract8 blur_amount) {}
inline void blur2D(uint8_t blur_amount, bool smear = false) {}

2
wled00/FX_2Dfcn.cpp
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@ -188,7 +188,7 @@ void IRAM_ATTR_YN Segment::setPixelColorXY(int x, int y, uint32_t col)
int yY = y;
for (int j = 0; j < grouping; j++) { // groupping vertically
if(yY >= H) break;
if (yY >= H) break;
int xX = x;
for (int g = 0; g < grouping; g++) { // groupping horizontally
if (xX >= W) continue; // we have reached one dimension's end

2
wled00/FX_fcn.cpp
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@ -1169,7 +1169,7 @@ uint32_t Segment::color_wheel(uint8_t pos) const {
pos = 255 - pos;
if (pos < 85) {
return RGBW32((255 - pos * 3), 0, (pos * 3), w);
} else if(pos < 170) {
} else if (pos < 170) {
pos -= 85;
return RGBW32(0, (pos * 3), (255 - pos * 3), w);
} else {

13
wled00/colors.cpp
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@ -36,7 +36,7 @@ uint32_t color_blend(uint32_t color1, uint32_t color2, uint16_t blend, bool b16)
* original idea: https://github.com/Aircoookie/WLED/pull/2465 by https://github.com/Proto-molecule
* heavily optimized for speed by @dedehai
*/
uint32_t color_add(uint32_t c1, uint32_t c2)
uint32_t color_add(uint32_t c1, uint32_t c2, bool desat)
{
if (c1 == BLACK) return c2;
if (c2 == BLACK) return c1;
@ -47,7 +47,8 @@ uint32_t color_add(uint32_t c1, uint32_t c2)
uint32_t w = wg >> 16;
uint32_t g = wg & 0xFFFF;
unsigned max = r; // check for overflow note: not checking and just topping out at 255 (formerly 'fast') is not any faster (but even slower if not overflowing)
if(desat) { // desaturate
unsigned max = r; // check for overflow note
max = g > max ? g : max;
max = b > max ? b : max;
max = w > max ? w : max;
@ -59,6 +60,14 @@ uint32_t color_add(uint32_t c1, uint32_t c2)
}
else wg = wg << 8; //shift white and green back to correct position
return rb | wg;
}
else {
r = r > 255 ? 255 : r;
g = g > 255 ? 255 : g;
b = b > 255 ? 255 : b;
w = w > 255 ? 255 : w;
return RGBW32(r,g,b,w);
}
}
/*

4
wled00/fcn_declare.h
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@ -79,8 +79,8 @@ class NeoGammaWLEDMethod {
};
#define gamma32(c) NeoGammaWLEDMethod::Correct32(c)
#define gamma8(c) NeoGammaWLEDMethod::rawGamma8(c)
[[gnu::hot]] uint32_t color_blend(uint32_t,uint32_t,uint16_t,bool b16=false);
[[gnu::hot]] uint32_t color_add(uint32_t,uint32_t);
[[gnu::hot]] uint32_t color_blend(uint32_t, uint32_t, uint16_t, bool b16=false);
[[gnu::hot]] uint32_t color_add(uint32_t, uint32_t, bool desat = false);
[[gnu::hot]] uint32_t color_fade(uint32_t c1, uint8_t amount, bool video=false);
[[gnu::hot]] CRGB ColorFromPaletteWLED(const CRGBPalette16 &pal, unsigned index, uint8_t brightness = (uint8_t)255U, TBlendType blendType = LINEARBLEND);
CRGBPalette16 generateHarmonicRandomPalette(CRGBPalette16 &basepalette);