Fix Squish decompression, closes #18109

1 files changed, 4 insertions, 3 deletions

diff --git a/modules/squish/image_compress_squish.cpp b/modules/squish/image_compress_squish.cpp
index 26cb76011c..a08ac7bd28 100644
--- a/modules/squish/image_compress_squish.cpp
+++ b/modules/squish/image_compress_squish.cpp
@@ -64,12 +64,13 @@ void image_decompress_squish(Image *p_image) {
 		return;
 	}
 
-	int dst_ofs = 0;
-
 	for (int i = 0; i <= mm_count; i++) {
 		int src_ofs = 0, mipmap_size = 0, mipmap_w = 0, mipmap_h = 0;
 		p_image->get_mipmap_offset_size_and_dimensions(i, src_ofs, mipmap_size, mipmap_w, mipmap_h);
-		squish::DecompressImage(&wb[dst_ofs], mipmap_w, mipmap_h, &rb[src_ofs], squish_flags);
+		int dst_ofs = Image::get_image_mipmap_offset(p_image->get_width(), p_image->get_height(), target_format, i);
+		squish::DecompressImage(&wb[dst_ofs], w, h, &rb[src_ofs], squish_flags);
+		w >>= 1;
+		h >>= 1;
 	}
 
 	p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);