Sternenlabor/WLED
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some speed improvements using better hash, scaling is still off...

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needs a proper scaling analysis of all steps in all resolutions to minimize errors.
This commit is contained in:
Damian Schneider
2025-03-04 07:55:41 +01:00
parent 2012317bc9
commit 9553425374
2 changed files with 85 additions and 84 deletions
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56
wled00/wled.cpp
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@@ -345,7 +345,7 @@ void WLED::setup()
uint32_t end;
uint32_t time;
uint8_t offset = hw_random();
/*
for(int i = 0; i < 0xFFFFF; i+=800) {
Serial.print(inoise16(i, offset, (offset >> 3))); Serial.print(","); //x
Serial.print(inoise16(offset, i, (offset >> 3))); Serial.print(","); //y
@@ -354,8 +354,10 @@ void WLED::setup()
Serial.print(perlin16(offset, i, (offset >> 3))); Serial.print(","); //y
Serial.print(perlin16(offset, (offset >> 3), i)); Serial.print(","); //z
Serial.print(inoise16(i, offset+i/4, i*2 + (offset >> 3))); Serial.print(","); //mixed mode
Serial.println(perlin16(i, offset+i/4, i*2 + (offset >> 3)));
}
Serial.print(perlin16(i, offset+i/4, i*2 + (offset >> 3))); Serial.print(",");
Serial.println(perlin3D_raw(i, offset+i/4, i*2 + (offset >> 3))); //raw
}*/
/*
for(int i = 0; i < 0x2FFFF; i+=100) {
uint32_t pos = i + offset;
@@ -387,7 +389,7 @@ void WLED::setup()
int32_t minval=0xFFFFF;
int32_t maxval=0;
start = micros();
for(int i = 0; i < 0xFFFFF; i+=100) {
for(int i = 0; i < 0xFFFFF; i+=50) {
uint16_t pos = i + offset;
int32_t noiseval = inoise8_raw(pos);
if(noiseval < minval) minval = noiseval;
@@ -400,9 +402,9 @@ void WLED::setup()
minval=0xFFFFF;
maxval=0;
/*
start = micros();
for(int i = 0; i < 0xFFFFFF; i+=100) {
for(int i = 0; i < 0xFFFFFF; i+=50) {
uint32_t pos = i + offset;
//int32_t noiseval = inoise16(pos, pos+4684165, pos+985685);
int32_t noiseval = inoise16(hw_random(), hw_random(), hw_random());
@@ -413,26 +415,27 @@ void WLED::setup()
time = end - start;
Serial.print("time: "); Serial.print(time);
Serial.print(" inoise16_3D min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
*/
minval=0xFFFFF;
maxval=0;
start = micros();
for(int i = 0; i < 0xFFFFFFF; i+=100) {
for(int i = 0; i < 0xFFFFFFF; i+=5) {
uint32_t pos = i + offset;
int32_t noiseval = perlin1D_raw( hw_random());
//int32_t noiseval = perlin16(hw_random());
int32_t noiseval = perlin1D_raw(hw_random());
if(noiseval < minval) minval = noiseval;
if(noiseval > maxval) maxval = noiseval;
}
end = micros();
time = end - start;
Serial.print("time: "); Serial.print(time);
Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
Serial.print(" perlin1D raw min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
minval=0xFFFFF;
maxval=0;
start = micros();
for(int i = 0; i < 0xFFFFFFF; i+=100) {
for(int i = 0; i < 0xFFFFFFF; i+=5) {
uint32_t pos = i + offset;
//int32_t noiseval = perlin2D_raw(pos, pos+6846354);
//int32_t noiseval = perlin16( hw_random(), hw_random());
int32_t noiseval = perlin2D_raw( hw_random(), hw_random());
if(noiseval < minval) minval = noiseval;
if(noiseval > maxval) maxval = noiseval;
@@ -440,10 +443,12 @@ Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "
end = micros();
time = end - start;
Serial.print("time: "); Serial.print(time);
Serial.print(" perlin2D_raw min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
Serial.print(" perlin2D raw min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
minval=0xFFFFF;
maxval=0;
for(int i = 0; i < 0xFFFFFFF; i+=100) {
for(int i = 0; i < 0xFFFFFFF; i+=5) {
uint32_t pos = i + offset;
//int32_t noiseval = perlin3D_raw(pos, pos+46845, pos+654684);
//int32_t noiseval = perlin3D_raw(hw_random(), hw_random(), hw_random());
@@ -456,6 +461,23 @@ Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "
Serial.print("time: "); Serial.print(time);
Serial.print(" perlin16 min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
minval=0xFFFFF;
maxval=0;
for(int i = 0; i < 0xFFFFFFF; i+=5) {
uint32_t pos = i + offset;
//int32_t noiseval = perlin3D_raw(pos, pos+46845, pos+654684);
int32_t noiseval = perlin3D_raw(hw_random(), hw_random(), hw_random());
//int32_t noiseval = perlin16(hw_random(), hw_random(), hw_random());
if(noiseval < minval) minval = noiseval;
if(noiseval > maxval) maxval = noiseval;
}
end = micros();
time = end - start;
Serial.print("time: "); Serial.print(time);
Serial.print(" perlin3D_raw min: "); Serial.print(minval); Serial.print(" max: "); Serial.println(maxval);
volatile uint32_t temp;
start = micros();
for(int i = 0; i < 100000; i++){
@@ -483,7 +505,7 @@ Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "
}
end = micros();
time = end - start;
Serial.print("perlin1D:");
Serial.print("perlin1Draw:");
Serial.print(temp);
Serial.print("time: ");
Serial.println(time);
@@ -493,7 +515,7 @@ Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "
}
end = micros();
time = end - start;
Serial.print("perlin2D:");
Serial.print("perlin2Draw:");
Serial.print(temp);
Serial.print("time: ");
Serial.println(time);
@@ -503,7 +525,7 @@ Serial.print(" perlin1D_raw min: "); Serial.print(minval); Serial.print(" max: "
}
end = micros();
time = end - start;
Serial.print("perlin16:");
Serial.print("perlin163D:");
Serial.print(temp);
Serial.print("time: ");
Serial.println(time);