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Add flag to write BGRX DDS content using R8G8B8 24bpp legacy DX9 (#641)

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This commit is contained in:
Chuck Walbourn
2025-10-27 15:48:01 -07:00
committed by GitHub
parent f04d5cb47f
commit f180374ba5
3 changed files with 207 additions and 5 deletions
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12
Texconv/texconv.cpp
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@@ -189,6 +189,7 @@ namespace
{
FORMAT_DXT5_NM = 1,
FORMAT_DXT5_RXGB,
FORMAT_24BPP_LEGACY,
};
static_assert(OPT_FLAGS_MAX <= 64, "dwOptions is a unsigned int bitfield");
@@ -450,6 +451,7 @@ namespace
{ L"BC3n", FORMAT_DXT5_NM },
{ L"DXT5nm", FORMAT_DXT5_NM },
{ L"RXGB", FORMAT_DXT5_RXGB },
{ L"RGB24", FORMAT_24BPP_LEGACY },
{ nullptr, 0 }
};
@@ -1271,6 +1273,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
bool keepRecursiveDirs = false;
bool dxt5nm = false;
bool dxt5rxgb = false;
bool use24bpp = false;
uint32_t swizzleElements[4] = { 0, 1, 2, 3 };
uint32_t zeroElements[4] = {};
uint32_t oneElements[4] = {};
@@ -1488,6 +1491,11 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
dxt5rxgb = true;
break;
case FORMAT_24BPP_LEGACY:
format = DXGI_FORMAT_B8G8R8X8_UNORM;
use24bpp = true;
break;
default:
wprintf(L"Invalid value specified with -f (%ls)\n\n", pValue);
PrintUsage();
@@ -3775,6 +3783,10 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
{
ddsFlags |= DDS_FLAGS_FORCE_DXT5_RXGB;
}
else if (use24bpp)
{
ddsFlags |= DDS_FLAGS_FORCE_24BPP_RGB;
}
ddsFlags |= DDS_FLAGS_FORCE_DX9_LEGACY;
}