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texturec: Added BC4/5 compression.

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This commit is contained in:
Branimir Karadžić
2015-12-22 15:40:55 -08:00
parent 1a96194429
commit c82d3e86d9
5 changed files with 124 additions and 67 deletions
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101
tools/texturec/texturec.cpp
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@@ -40,6 +40,54 @@ namespace bgfx
::free(mem);
}
void imageEncodeFromRgba8(uint8_t* _dst, const uint8_t* _src, uint32_t _width, uint32_t _height, uint8_t _format)
{
TextureFormat::Enum format = TextureFormat::Enum(_format);
switch (format)
{
case TextureFormat::BC1:
case TextureFormat::BC2:
case TextureFormat::BC3:
case TextureFormat::BC4:
case TextureFormat::BC5:
squish::CompressImage(_src, _width, _height, _dst
, format == TextureFormat::BC1 ? squish::kDxt1
: format == TextureFormat::BC2 ? squish::kDxt3
: format == TextureFormat::BC3 ? squish::kDxt5
: format == TextureFormat::BC4 ? squish::kBc4
: squish::kBc5
);
break;
case TextureFormat::BC6H:
nvtt::compressBC6H(_src, _width, _height, 4, _dst);
break;
case TextureFormat::BC7:
nvtt::compressBC7(_src, _width, _height, 4, _dst);
break;
case TextureFormat::ETC1:
etc1_encode_image(_src, _width, _height, 4, _width*4, _dst);
break;
case TextureFormat::ETC2:
case TextureFormat::ETC2A:
case TextureFormat::ETC2A1:
case TextureFormat::PTC12:
case TextureFormat::PTC14:
case TextureFormat::PTC12A:
case TextureFormat::PTC14A:
case TextureFormat::PTC22:
case TextureFormat::PTC24:
break;
default:
break;
}
}
} // namespace bgfx
void help(const char* _error = NULL)
@@ -110,6 +158,14 @@ int main(int _argc, const char* _argv[])
{
format = TextureFormat::BC3;
}
else if (0 == bx::stricmp(type, "bc4") )
{
format = TextureFormat::BC4;
}
else if (0 == bx::stricmp(type, "bc5") )
{
format = TextureFormat::BC5;
}
else if (0 == bx::stricmp(type, "etc1") )
{
format = TextureFormat::ETC1;
@@ -134,6 +190,7 @@ int main(int _argc, const char* _argv[])
bool loaded = imageParse(imageContainer, mem->data, mem->size);
if (!loaded)
{
}
BX_UNUSED(mips);
@@ -151,48 +208,8 @@ int main(int _argc, const char* _argv[])
output = (uint8_t*)BX_ALLOC(&allocator, imageGetSize(format, mip.m_width, mip.m_height) );
switch (format)
{
case TextureFormat::BC1:
case TextureFormat::BC2:
case TextureFormat::BC3:
squish::CompressImage(rgba, mip.m_width, mip.m_height, output
, format == TextureFormat::BC1 ? squish::kDxt1
: format == TextureFormat::BC2 ? squish::kDxt3
: squish::kDxt5
);
break;
case TextureFormat::BC4:
case TextureFormat::BC5:
break;
case TextureFormat::BC6H:
nvtt::compressBC6H(rgba, mip.m_width, mip.m_height, 4, output);
break;
case TextureFormat::BC7:
nvtt::compressBC7(rgba, mip.m_width, mip.m_height, 4, output);
break;
case TextureFormat::ETC1:
etc1_encode_image(rgba, mip.m_width, mip.m_height, 4, mip.m_width*4, output);
break;
case TextureFormat::ETC2:
case TextureFormat::ETC2A:
case TextureFormat::ETC2A1:
case TextureFormat::PTC12:
case TextureFormat::PTC14:
case TextureFormat::PTC12A:
case TextureFormat::PTC14A:
case TextureFormat::PTC22:
case TextureFormat::PTC24:
break;
default:
break;
}
imageContainer.m_format = format;
imageEncodeFromRgba8(output, rgba, mip.m_width, mip.m_height, format);
BX_FREE(&allocator, rgba);
}