GitHub - shimamura-sakura/zig-gtx2dds: Convert between GUST GTX texture and DDS.

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Convert between GUST GTX texture and DDS.

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Name		Name	Last commit message	Last commit date
Latest commit History 6 Commits
LICENSE		LICENSE
README		README
build.sh		build.sh
gtx_test.zig		gtx_test.zig
main.zig		main.zig

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zig-gtx2dds
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convert between Gust GTX (.gtx) and DDS (.dds)
currently it only supports UBC1 (DXT1) and UBC3 (DXT5), but i guess it's enough.

build
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./build.sh

usage
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./main <input file> <output file>

input GTX output DDS
input DDS output GTX

search keywords
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Gust GTX
GTX\x01
0x47 0x54 0x58 0x01
GT2 Texture File for VITA
UBC1 UBC3

gtx file format
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please read 'main.zig' and 'gtx_test.zig'.
gtx_test.zig checks a gtx file against my understandings of the gtx format, compile it with debug on to see code trace (where your file wents wrong, if you are also generating gtx files).

others
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thank you @nebulas-star for helping me with this file format