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texconv: added -at switch

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Chuck Walbourn 2020-01-30 11:40:42 -08:00
parent 9a548cf2e0
commit 0dd4cb9ca2
1 changed files with 26 additions and 3 deletions
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29
Texconv/texconv.cpp
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@ -95,6 +95,7 @@ enum OPTIONS
OPT_NOGPU,
OPT_FEATURE_LEVEL,
OPT_FIT_POWEROF2,
OPT_ALPHA_THRESHOLD,
OPT_ALPHA_WEIGHT,
OPT_NORMAL_MAP,
OPT_NORMAL_MAP_AMPLITUDE,
@ -184,6 +185,7 @@ const SValue g_pOptions[] =
{ L"nogpu", OPT_NOGPU },
{ L"fl", OPT_FEATURE_LEVEL },
{ L"pow2", OPT_FIT_POWEROF2 },
{ L"at", OPT_ALPHA_THRESHOLD },
{ L"aw", OPT_ALPHA_WEIGHT },
{ L"nmap", OPT_NORMAL_MAP },
{ L"nmapamp", OPT_NORMAL_MAP_AMPLITUDE },
@ -729,6 +731,9 @@ namespace
wprintf(L" -wrap, -mirror texture addressing mode (wrap, mirror, or clamp)\n");
wprintf(L" -pmalpha convert final texture to use premultiplied alpha\n");
wprintf(L" -alpha convert premultiplied alpha to straight alpha\n");
wprintf(
L" -at <threshold> Alpha threshold used for BC1, RGBA5551, and WIC\n"
L" (defaults to 0.5)\n");
wprintf(L"\n -fl <feature-level> Set maximum feature level target (defaults to 11.0)\n");
wprintf(L" -pow2 resize to fit a power-of-2, respecting aspect ratio\n");
wprintf(
@ -1124,6 +1129,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
DWORD FileType = CODEC_DDS;
DWORD maxSize = 16384;
int adapter = -1;
float alphaThreshold = TEX_THRESHOLD_DEFAULT;
float alphaWeight = 1.f;
DWORD dwNormalMap = 0;
float nmapAmplitude = 1.f;
@ -1187,6 +1193,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
case OPT_FILETYPE:
case OPT_GPU:
case OPT_FEATURE_LEVEL:
case OPT_ALPHA_THRESHOLD:
case OPT_ALPHA_WEIGHT:
case OPT_NORMAL_MAP:
case OPT_NORMAL_MAP_AMPLITUDE:
@ -1466,6 +1473,22 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
break;
case OPT_ALPHA_THRESHOLD:
if (swscanf_s(pValue, L"%f", &alphaThreshold) != 1)
{
wprintf(L"Invalid value specified with -at (%ls)\n", pValue);
wprintf(L"\n");
PrintUsage();
return 1;
}
else if (alphaThreshold < 0.f)
{
wprintf(L"-at (%ls) parameter must be positive\n", pValue);
wprintf(L"\n");
return 1;
}
break;
case OPT_ALPHA_WEIGHT:
if (swscanf_s(pValue, L"%f", &alphaWeight) != 1)
{
@ -2131,7 +2154,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
hr = Convert(image->GetImages(), image->GetImageCount(), image->GetMetadata(), DXGI_FORMAT_R16G16B16A16_FLOAT,
dwFilter | dwFilterOpts | dwSRGB | dwConvert, TEX_THRESHOLD_DEFAULT, *timage);
dwFilter | dwFilterOpts | dwSRGB | dwConvert, alphaThreshold, *timage);
if (FAILED(hr))
{
wprintf(L" FAILED [convert] (%x)\n", static_cast<unsigned int>(hr));
@ -2478,7 +2501,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
hr = Convert(image->GetImages(), image->GetImageCount(), image->GetMetadata(), tformat,
dwFilter | dwFilterOpts | dwSRGB | dwConvert, TEX_THRESHOLD_DEFAULT, *timage);
dwFilter | dwFilterOpts | dwSRGB | dwConvert, alphaThreshold, *timage);
if (FAILED(hr))
{
wprintf(L" FAILED [convert] (%x)\n", static_cast<unsigned int>(hr));
@ -2947,7 +2970,7 @@ int __cdecl wmain(_In_ int argc, _In_z_count_(argc) wchar_t* argv[])
}
else
{
hr = Compress(img, nimg, info, tformat, cflags | dwSRGB, TEX_THRESHOLD_DEFAULT, *timage);
hr = Compress(img, nimg, info, tformat, cflags | dwSRGB, alphaThreshold, *timage);
}
if (FAILED(hr))
{