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Fix memory region in framebuffer #65

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Merged
merged 1 commit into from
Nov 22, 2024
Merged

Fix memory region in framebuffer #65

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6 changes: 3 additions & 3 deletions backend/fbdev.c
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Original file line number Diff line number Diff line change
Expand Up @@ -56,9 +56,9 @@ static void _twin_fbdev_put_span(twin_coord_t left,
return;

twin_coord_t width = right - left;
off_t off = top * screen->width + left;
uint32_t *dest =
(uint32_t *) ((uintptr_t) tx->fb_base + (off * sizeof(*dest)));
uint32_t *dest;
off_t off = sizeof(*dest) * left + top * tx->fb_fix.line_length;
dest = (uint32_t *) ((uintptr_t) tx->fb_base + off);
memcpy(dest, pixels, width * sizeof(*dest));
}

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