Jan/WLED_MM_Infinity
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

partly inline getPixelColorXY

Browse Source 
allows the compiler to inline access to ledsrgb[] , while still keeping the "no buffer" case in a separate function so program size does not blow up.

--> up to 10% faster
This commit is contained in:
Frank
2024-11-24 19:09:35 +01:00
parent eb56a7638d
commit 5a2096ab21
2 changed files with 27 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
wled00/FX_2Dfcn.cpp
View File

@@ -454,8 +454,18 @@ void Segment::setPixelColorXY(float x, float y, uint32_t col, bool aa, bool fast
#endif
}
// returns RGBW values of pixel
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY(int x, int y) const {
// WLEDMM this function is only called by getPixelColorXY, in case we don't have the ledsrgb buffer!
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY_part2(int x, int y, int cols, int rows) const {
if (reverse ) x = cols - x - 1;
if (reverse_y) y = rows - y - 1;
if (transpose) std::swap(x,y); // swap X & Y if segment transposed
const uint_fast16_t groupLength_ = groupLength(); // WLEDMM small optimization
x *= groupLength_; // expand to physical pixels
y *= groupLength_; // expand to physical pixels
return strip.getPixelColorXYRestored(start + x, startY + y);
}
uint32_t IRAM_ATTR_YN Segment::getPixelColorXY_slow(int x, int y) const { // WLEDMM fallback for non-fastpath builds
if (x<0 || y<0 || !isActive()) return 0; // not active or out-of range
if (ledsrgb) {
int i = XY(x,y);