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Merged
solidpixel merged 1 commit into from
Jul 1, 2026
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zero reserved2 field before writing dds header #654

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3 changes: 3 additions & 0 deletions Docs/ChangeLog-5x.md
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Expand Up @@ -14,6 +14,9 @@ clocked at 4.2 GHz, running `astcenc` using AVX2 and 6 threads.
The 5.6.0 release is a minor maintenance release.

* **Command line tool updates:**
* **Bug fix:** Zero the trailing reserved field of the DDS header before
writing it, so uncompressed `.dds` output no longer contains uninitialized
stack bytes.
* **Bug fix:** Fixed incorrect plane stride when writing an uncompressed 3D
LDR image to a DDS container.
* **Bug fix:** Fixed potential integer overflow when storing very large
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1 change: 1 addition & 0 deletions Source/astcenccli_image_load_store.cpp
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Expand Up @@ -2249,6 +2249,7 @@ static bool store_dds_uncompressed_image(
hdr.caps2 = (dim_z > 1) ? 0x200000 : 0;
hdr.caps3 = 0;
hdr.caps4 = 0;
hdr.reserved2 = 0;

// Pixel-format data
if (bitness == 8)
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