drewcassidy/nvidia-texture-tools
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Add option to control prefered swizzle.

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This commit is contained in:
Ignacio 2017-06-28 11:19:47 -07:00
parent 923b57db45
commit fa03dfc291
1 changed files with 17 additions and 2 deletions
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15
src/nvtt/tools/assemble.cpp
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@ -45,6 +45,7 @@ int main(int argc, char *argv[])
bool assembleCubeMap = true;
bool assembleVolume = false;
bool assembleTextureArray = false;
bool bgra = false;
nv::Array<nv::Path> files;
nv::Path output = "output.dds";
@ -79,6 +80,10 @@ int main(int argc, char *argv[])
output = argv[i];
}
}
else if (strcmp("-bgra", argv[i]) == 0)
{
bgra = true;
}
else if (argv[i][0] != '-')
{
files.append(argv[i]);
@ -170,10 +175,20 @@ int main(int argc, char *argv[])
// @@ It always outputs 32 bpp.
if (!assembleTextureArray) {
header.setPitch(4 * w);
if (bgra) {
header.setPixelFormat(32, 0xFF0000, 0xFF00, 0xFF, hasAlpha ? 0xFF000000 : 0);
}
else {
header.setPixelFormat(32, 0xFF, 0xFF00, 0xFF0000, hasAlpha ? 0xFF000000 : 0);
}
} else {
if (bgra) {
header.setDX10Format(hasAlpha ? nv::DXGI_FORMAT_B8G8R8A8_UNORM : nv::DXGI_FORMAT_B8G8R8X8_UNORM);
}
else {
header.setDX10Format(hasAlpha ? nv::DXGI_FORMAT_R8G8B8A8_UNORM : nv::DXGI_FORMAT_R8G8B8X8_UNORM);
}
}
stream << header;