drewcassidy/nvidia-texture-tools
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Write BC6/BC7 headers in TexImage path.

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This commit is contained in:
castano 2010-06-24 07:32:17 +00:00
parent 528b93ab14
commit cfdc731634
1 changed files with 1197 additions and 1177 deletions
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32
src/nvtt/Context.cpp
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@ -80,6 +80,12 @@ namespace
else if (format == Format_CTX1) {
return 8;
}
else if (format == Format_BC6) {
return 16;
}
else if (format == Format_BC7) {
return 16;
}
return 0;
}
@ -706,25 +712,32 @@ bool Compressor::Private::outputHeader(const TexImage & tex, int mipmapCount, co
else
{
if (compressionOptions.format == Format_DXT1 || compressionOptions.format == Format_DXT1a || compressionOptions.format == Format_DXT1n) {
header.setDX10Format(71);
header.setDX10Format(70); // DXGI_FORMAT_BC1_TYPELESS
if (compressionOptions.format == Format_DXT1a) header.setHasAlphaFlag(true);
if (tex.isNormalMap()) header.setNormalFlag(true);
}
else if (compressionOptions.format == Format_DXT3) {
header.setDX10Format(74);
header.setDX10Format(73); // DXGI_FORMAT_BC2_TYPELESS
}
else if (compressionOptions.format == Format_DXT5) {
header.setDX10Format(77);
header.setDX10Format(76); // DXGI_FORMAT_BC3_TYPELESS
}
else if (compressionOptions.format == Format_DXT5n) {
header.setDX10Format(77);
header.setDX10Format(76); // DXGI_FORMAT_BC3_TYPELESS
if (tex.isNormalMap()) header.setNormalFlag(true);
}
else if (compressionOptions.format == Format_BC4) {
header.setDX10Format(80);
header.setDX10Format(79); // DXGI_FORMAT_BC4_TYPELESS
}
else if (compressionOptions.format == Format_BC5) {
header.setDX10Format(83);
header.setDX10Format(82); // DXGI_FORMAT_BC5_TYPELESS
if (tex.isNormalMap()) header.setNormalFlag(true);
}
else if (compressionOptions.format == Format_BC6) {
header.setDX10Format(94); // DXGI_FORMAT_BC6H_TYPELESS
}
else if (compressionOptions.format == Format_BC7) {
header.setDX10Format(97); // DXGI_FORMAT_BC7_TYPELESS
if (tex.isNormalMap()) header.setNormalFlag(true);
}
else {
@ -832,6 +845,13 @@ bool Compressor::Private::outputHeader(const TexImage & tex, int mipmapCount, co
header.setSwizzleCode('A', '2', 'X', 'Y');
}
}
else if (compressionOptions.format == Format_BC6) {
header.setFourCC('Z', 'O', 'H', ' ');
}
else if (compressionOptions.format == Format_BC7) {
header.setFourCC('Z', 'O', 'L', 'A');
if (tex.isNormalMap()) header.setNormalFlag(true);
}
else if (compressionOptions.format == Format_CTX1) {
header.setFourCC('C', 'T', 'X', '1');
if (tex.isNormalMap()) header.setNormalFlag(true);