C:\Steam Powered\Steam\steamapps\common\SpaceEngineersModSDK\Tools\TexturePacking\Tools>texconv.exe -pmalpha
Microsoft (R) DirectX 11 Texture Converter (DirectXTex version)
Copyright (C) Microsoft Corp. All rights reserved.

Usage: texconv <options> <files>

   -w <n>              width
   -h <n>              height
   -m <n>              miplevels
   -f <format>         format
   -if <filter>        image filtering
   -srgb{i|o}          sRGB {input, output}
   -px <string>        name prefix
   -sx <string>        name suffix
   -o <directory>      output directory
   -ft <filetype>      output file type
   -hflip              horizonal flip of source image
   -vflip              vertical flip of source image
   -sepalpha           resize/generate mips alpha channel separately
                       from color channels
   -wrap, -mirror      texture addressing mode (wrap, mirror, or clamp)
   -pmalpha            convert final texture to use premultiplied alpha
   -pow2               resize to fit a power-of-2, respecting aspect ratio
   -nmap <options>     converts height-map to normal-map
                       options must be one or more of
                          r, g, b, a, l, m, u, v, i, o
   -nmapamp <weight>   normal map amplitude (defaults to 1.0)
   -fl <feature-level> Set maximum feature level target (defaults to 11.0)

                       (DDS input only)
   -t{u|f}             TYPELESS format is treated as UNORM or FLOAT
   -dword              Use DWORD instead of BYTE alignment
   -xlum               expand legacy L8, L16, and A8P8 formats

                       (DDS output only)
   -dx10               Force use of 'DX10' extended header

   -nologo             suppress copyright message
   -timing             Display elapsed processing time

   -singleproc         Do not use multi-threaded compression
   -nogpu              Do not use DirectCompute-based codecs
   -bcuniform          Use uniform rather than perceptual weighting for BC1-3
   -bcdither           Use dithering for BC1-3
   -bcmax              Use exchaustive compression (BC7 only)
   -aw <weight>        BC7 GPU compressor weighting for alpha error metric
                       (defaults to 1.0)

   <format>: R32G32B32A32_FLOAT R32G32B32A32_UINT R32G32B32A32_SINT
      R32G32B32_FLOAT R32G32B32_UINT R32G32B32_SINT R16G16B16A16_FLOAT
      R16G16B16A16_UNORM R16G16B16A16_UINT R16G16B16A16_SNORM
      R16G16B16A16_SINT R32G32_FLOAT R32G32_UINT R32G32_SINT
      R10G10B10A2_UNORM R10G10B10A2_UINT R11G11B10_FLOAT R8G8B8A8_UNORM
      R8G8B8A8_UNORM_SRGB R8G8B8A8_UINT R8G8B8A8_SNORM R8G8B8A8_SINT
      R16G16_FLOAT R16G16_UNORM R16G16_UINT R16G16_SNORM R16G16_SINT
      R32_FLOAT R32_UINT R32_SINT R8G8_UNORM R8G8_UINT R8G8_SNORM
      R8G8_SINT R16_FLOAT R16_UNORM R16_UINT R16_SNORM R16_SINT
      R8_UNORM R8_UINT R8_SNORM R8_SINT A8_UNORM R9G9B9E5_SHAREDEXP
      R8G8_B8G8_UNORM G8R8_G8B8_UNORM BC1_UNORM BC1_UNORM_SRGB BC2_UNORM
      BC2_UNORM_SRGB BC3_UNORM BC3_UNORM_SRGB BC4_UNORM BC4_SNORM
      BC5_UNORM BC5_SNORM B5G6R5_UNORM B5G5R5A1_UNORM B8G8R8A8_UNORM
      B8G8R8X8_UNORM R10G10B10_XR_BIAS_A2_UNORM B8G8R8A8_UNORM_SRGB
      B8G8R8X8_UNORM_SRGB BC6H_UF16 BC6H_SF16 BC7_UNORM BC7_UNORM_SRGB
      AYUV Y410 Y416 YUY2 Y210 Y216 B4G4R4A4_UNORM

   <filter>: POINT LINEAR CUBIC FANT BOX TRIANGLE POINT_DITHER
      LINEAR_DITHER CUBIC_DITHER FANT_DITHER BOX_DITHER TRIANGLE_DITHER
      POINT_DITHER_DIFFUSION LINEAR_DITHER_DIFFUSION CUBIC_DITHER_DIFFUSION
      FANT_DITHER_DIFFUSION BOX_DITHER_DIFFUSION TRIANGLE_DITHER_DIFFUSION

   <filetype>: BMP JPG JPEG PNG DDS TGA TIF TIFF WDP HDP

   <feature-level>: 9.1 9.2 9.3 10.0 10.1 11.0 11.1 12.0 12.1

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