Function BcDecompress

trinityal/BcDecompress.cpp:241–270

}

bool BcDecompress( uint32_t width, uint32_t height, uint32_t depth, PixelFormat format, const Tr2SubresourceData& src, std::unique_ptr<uint8_t[]>& decompressed )
{
	if( !decompressed )
	{
		decompressed.reset( new uint8_t[width * height * depth * 4] );
	}
	switch( format )
	{
	case PIXEL_FORMAT_BC1_TYPELESS:
	case PIXEL_FORMAT_BC1_UNORM:
	case PIXEL_FORMAT_BC1_UNORM_SRGB:
		DecompressBc1( width, height, depth, src, decompressed.get() );
		return true;

	case PIXEL_FORMAT_BC2_TYPELESS:
	case PIXEL_FORMAT_BC2_UNORM:
	case PIXEL_FORMAT_BC2_UNORM_SRGB:
		DecompressBc2( width, height, depth, src, decompressed.get() );
		return true;

	case PIXEL_FORMAT_BC3_TYPELESS:
	case PIXEL_FORMAT_BC3_UNORM:
	case PIXEL_FORMAT_BC3_UNORM_SRGB:
		DecompressBc3( width, height, depth, src, decompressed.get() );
		return true;

	default:
		return false;
	}
}