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Add -format_only option

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A more flexible variant of `-etc1_only`.

Works well with `-ktx_only` to produce a specific output.
This commit is contained in:
IC Rainbow
2022-02-04 23:20:28 +03:00
parent 249f09d5f2
commit 65bbcddaf3
2 changed files with 18 additions and 6 deletions
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21
basisu_tool.cpp
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@@ -136,6 +136,7 @@ static void print_usage()
" -no_ktx: Disable KTX writing when unpacking (faster, less output files)\n"
" -ktx_only: Only write KTX files when unpacking (faster, less output files)\n"
" -write_out: Write 3dfx OUT files when unpacking FXT1 textures\n"
" -format_only: Only unpack the specified format, by its numeric code.\n"
" -etc1_only: Only unpack to ETC1, skipping the other texture formats during -unpack\n"
" -disable_hierarchical_endpoint_codebooks: Disable hierarchical endpoint codebook usage, slower but higher quality on some compression levels\n"
" -compare_ssim: Compute and display SSIM of image comparison (slow)\n"
@@ -286,6 +287,7 @@ public:
m_no_ktx(false),
m_ktx_only(false),
m_write_out(false),
m_format_only(-1),
m_etc1_only(false),
m_fuzz_testing(false),
m_compare_ssim(false),
@@ -613,8 +615,17 @@ public:
m_ktx_only = true;
else if (strcasecmp(pArg, "-write_out") == 0)
m_write_out = true;
else if (strcasecmp(pArg, "-format_only") == 0)
{
REMAINING_ARGS_CHECK(1);
m_format_only = atoi(arg_v[arg_index + 1]);
arg_count++;
}
else if (strcasecmp(pArg, "-etc1_only") == 0)
{
m_etc1_only = true;
m_format_only = (int)basist::transcoder_texture_format::cTFETC1_RGB;
}
else if (strcasecmp(pArg, "-disable_hierarchical_endpoint_codebooks") == 0)
m_comp_params.m_disable_hierarchical_endpoint_codebooks = true;
else if (strcasecmp(pArg, "-opencl") == 0)
@@ -823,6 +834,8 @@ public:
std::string m_output_filename;
std::string m_output_path;
int m_format_only;
std::string m_multifile_printf;
uint32_t m_multifile_first;
uint32_t m_multifile_num;
@@ -1487,9 +1500,9 @@ static bool unpack_and_validate_ktx2_file(
int first_format = 0;
int last_format = (int)basist::transcoder_texture_format::cTFTotalTextureFormats;
if (opts.m_etc1_only)
if (opts.m_format_only > -1)
{
first_format = (int)basist::transcoder_texture_format::cTFETC1_RGB;
first_format = opts.m_format_only;
last_format = first_format + 1;
}
@@ -1894,9 +1907,9 @@ static bool unpack_and_validate_basis_file(
int first_format = 0;
int last_format = (int)basist::transcoder_texture_format::cTFTotalTextureFormats;
if (opts.m_etc1_only)
if (opts.m_format_only > -1)
{
first_format = (int)basist::transcoder_texture_format::cTFETC1_RGB;
first_format = opts.m_format_only;
last_format = first_format + 1;
}