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Merged
kdschlosser merged 1 commit into from
Nov 29, 2024
Merged

Update rgb_bus_rotation.c #197

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13 changes: 4 additions & 9 deletions ext_mod/lcd_bus/esp32_src/rgb_bus_rotation.c
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Original file line number Diff line number Diff line change
Expand Up @@ -344,13 +344,10 @@
y_end = MIN(y_end, d_height);
}

uint16_t src_bytes_per_line = (x_end - x_start) * (uint16_t)bytes_per_pixel;
uint16_t src_bytes_per_line = (x_end - x_start + 1) * (uint16_t)bytes_per_pixel;
uint32_t dst_bytes_per_line = bytes_per_pixel * d_width;
size_t offset = y_start * src_bytes_per_line + x_start * bytes_per_pixel;

uint32_t copy_bytes_per_line = (x_end - x_start) * bytes_per_pixel;
size_t offset = y_start * copy_bytes_per_line + x_start * bytes_per_pixel;

// mp_printf(&mp_plat_print, "x_start=%lu, y_start=%lu, x_end=%lu, y_end=%lu, copy_bytes_per_line=%u, bytes_per_line=%lu, %lu\n",
// x_start, y_start, x_end, y_end, copy_bytes_per_line, bytes_per_line, (uint32_t)((y_start * h_res + x_start) * bytes_per_pixel));

Expand All @@ -361,12 +358,10 @@
if (x_start == 0 && x_end == (d_width - 1)) {
memcpy(fb, src, d_width * (y_end - y_start + 1) * bytes_per_pixel);
} else {
src_bytes_per_line = (x_end - x_start + 1) * (uint16_t)bytes_per_pixel;

for (int y = y_start; y < y_end; y++) {
memcpy(fb, src, src_bytes_per_line);
fb += dst_bytes_per_line;
from += src_bytes_per_line;
src += src_bytes_per_line;
}
}

Expand Down Expand Up @@ -394,7 +389,7 @@
for (size_t x = x_start; x < x_end; x++) {
func(dst + index, src);
index -= bytes_per_pixel;
from += bytes_per_pixel;
src += bytes_per_pixel;
}
}
break;
Expand All @@ -418,4 +413,4 @@
}
}

#endif
#endif