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Minor cleanup.

This commit is contained in:
Simon Forman 2023-02-26 21:46:05 -08:00
parent 61527f3e64
commit ee8ba58441
1 changed files with 2 additions and 3 deletions
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5
implementations/uvm-ncc/graphics.h
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@ -142,13 +142,12 @@ carefree_wu_line(u32* dest, size_t dest_stride, u64 x, u64 y, u64 w, u64 h, u32
while (x1 > x) {
plot_pixel(dest, dest_stride, x, y + 1, color, d >> 8);
plot_pixel(dest, dest_stride, x, y, color, 0xFF - (d >> 8));
plot_pixel(dest, dest_stride, x1, y1, color, d >> 8);
plot_pixel(dest, dest_stride, x1, y1 + 1, color, 0xFF - (d >> 8));
plot_pixel(dest, dest_stride, x1, y1, color, d >> 8);
plot_pixel(dest, dest_stride, x1, y1 + 1, color, 0xFF - (d >> 8));
++x;
x1 = x1 - 1; // "--x1" didn't work here, x1 remained unchanged.
if (d + k >= 0xFFFF) {
d = 0;
// opposite (de-)increment because computer y is negative cartesian y
++y;
y1 = y1 - 1;
} else {