fxc_prep.pl

hl2 source code. Do not use it illegal.

while( 1 )
{
	$fxc_filename = shift;
	if( $fxc_filename =~ m/-dx9/i )
	{
		$g_dx9 = 1;
	}
	elsif( $fxc_filename =~ m/-nv3x/i )
	{
		$nvidia = 1;
	}
	elsif( $fxc_filename =~ m/-ps20a/i )
	{
		$ps2a = 1;
	}
	else
	{
		last;
	}
}


$debug = 0;
$forcehalf = 0;

sub WriteHelperVar
{
	local( $name ) = shift;
	local( $min ) = shift;
	local( $max ) = shift;
	local( $varname ) = "m_n" . $name;
	local( $boolname ) = "m_b" . $name;
	push @outputHeader, "private:\n";
	push @outputHeader, "\tint $varname;\n";
	push @outputHeader, "#ifdef _DEBUG\n";
	push @outputHeader, "\tbool $boolname;\n";
	push @outputHeader, "#endif\n";
	push @outputHeader, "public:\n";
	# int version of set function
	push @outputHeader, "\tvoid Set" . $name . "( int i )\n";
	push @outputHeader, "\t{\n";
	push @outputHeader, "\t\tAssert( i >= $min && i <= $max );\n";
	push @outputHeader, "\t\t$varname = i;\n";
	push @outputHeader, "#ifdef _DEBUG\n";
	push @outputHeader, "\t\t$boolname = true;\n";
	push @outputHeader, "#endif\n";
	push @outputHeader, "\t}\n";
	# bool version of set function
	push @outputHeader, "\tvoid Set" . $name . "( bool i )\n";
	push @outputHeader, "\t{\n";
#		push @outputHeader, "\t\tAssert( i >= $min && i <= $max );\n";
	push @outputHeader, "\t\t$varname = i ? 1 : 0;\n";
	push @outputHeader, "#ifdef _DEBUG\n";
	push @outputHeader, "\t\t$boolname = true;\n";
	push @outputHeader, "#endif\n";
	push @outputHeader, "\t}\n";
}

sub WriteStaticBoolExpression
{
	local( $prefix ) = shift;
	local( $operator ) = shift;
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		if( $i )
		{
			push @outputHeader, " $operator ";
		}
		local( $name ) = @staticDefineNames[$i];
		local( $boolname ) = "m_b" . $name;
		push @outputHeader, "$prefix$boolname";
	}
	push @outputHeader, ";\n";
}

sub WriteDynamicBoolExpression
{
	local( $prefix ) = shift;
	local( $operator ) = shift;
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		if( $i )
		{
			push @outputHeader, " $operator ";
		}
		local( $name ) = @dynamicDefineNames[$i];
		local( $boolname ) = "m_b" . $name;
		push @outputHeader, "$prefix$boolname";
	}
	push @outputHeader, ";\n";
}

sub WriteHelperClasses
{
	local( $basename ) = $fxc_filename;
	$basename =~ s/\.fxc//i;
	$basename =~ tr/A-Z/a-z/;
	local( $classname ) = $basename . "_Index";
	push @outputHeader, "class $classname\n";
	push @outputHeader, "{\n";
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		$name = $staticDefineNames[$i];
		$min = $staticDefineMin[$i];
		$max = $staticDefineMax[$i];
		&WriteHelperVar( $name, $min, $max );
	}
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		$name = $dynamicDefineNames[$i];
		$min = $dynamicDefineMin[$i];
		$max = $dynamicDefineMax[$i];
		&WriteHelperVar( $name, $min, $max );
	}
	push @outputHeader, "public:\n";
	push @outputHeader, "\t$classname()\n";
	push @outputHeader, "\t{\n";
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		local( $name ) = @dynamicDefineNames[$i];
		local( $boolname ) = "m_b" . $name;
		local( $varname ) = "m_n" . $name;
		push @outputHeader, "#ifdef _DEBUG\n";
		push @outputHeader, "\t\t$boolname = false;\n";
		push @outputHeader, "#endif // _DEBUG\n";
		push @outputHeader, "\t\t$varname = 0;\n";
	}
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		local( $name ) = @staticDefineNames[$i];
		local( $boolname ) = "m_b" . $name;
		local( $varname ) = "m_n" . $name;
		push @outputHeader, "#ifdef _DEBUG\n";
		push @outputHeader, "\t\t$boolname = false;\n";
		push @outputHeader, "#endif // _DEBUG\n";
		push @outputHeader, "\t\t$varname = 0;\n";
	}
	push @outputHeader, "\t}\n";
	push @outputHeader, "\tint GetIndex()\n";
	push @outputHeader, "\t{\n";
	push @outputHeader, "\t\t// Asserts to make sure that we aren't using any skipped combinations.\n";
	foreach $skip (@perlskipcodeindividual)
	{
		$skip =~ s/\$/m_n/g;
#		push @outputHeader, "\t\tAssert( !( $skip ) );\n";
	}
	push @outputHeader, "\t\t// Asserts to make sure that we are setting all of the combination vars.\n";

	push @outputHeader, "#ifdef _DEBUG\n";
	if( scalar( @staticDefineNames ) > 0 )
	{
		push @outputHeader, "\t\tbool bAllStaticVarsDefined = ";
		WriteStaticBoolExpression( "", "&&" );
		push @outputHeader, "\t\tbool bNoStaticVarsDefined = ";
		WriteStaticBoolExpression( "!", "&&" );
	}
	if( scalar( @dynamicDefineNames ) > 0 )
	{
		push @outputHeader, "\t\tbool bAllDynamicVarsDefined = ";
		WriteDynamicBoolExpression( "", "&&" );
		push @outputHeader, "\t\tbool bNoDynamicVarsDefined = ";
		WriteDynamicBoolExpression( "!", "&&" );
	}
	if( scalar( @staticDefineNames ) > 0 )
	{
		push @outputHeader, "\t\tAssert( bAllStaticVarsDefined != bNoStaticVarsDefined );\n";
	}
	if( scalar( @dynamicDefineNames ) > 0 )
	{
		push @outputHeader, "\t\tAssert( bAllDynamicVarsDefined != bNoDynamicVarsDefined );\n";
	}
	if( scalar( @dynamicDefineNames ) > 0 && scalar( @staticDefineNames ) > 0 )
	{
		push @outputHeader, "\t\tAssert( bAllDynamicVarsDefined != bAllStaticVarsDefined );\n";
		push @outputHeader, "\t\tAssert( bNoDynamicVarsDefined != bNoStaticVarsDefined );\n";
	}
	push @outputHeader, "#endif // _DEBUG\n";

	push @outputHeader, "\t\treturn ";
	local( $scale ) = 1;
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		local( $name ) = @dynamicDefineNames[$i];
		local( $varname ) = "m_n" . $name;
		push @outputHeader, "( $scale * $varname ) + ";
		$scale *= $dynamicDefineMax[$i] - $dynamicDefineMin[$i] + 1;
	}
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		local( $name ) = @staticDefineNames[$i];
		local( $varname ) = "m_n" . $name;
		push @outputHeader, "( $scale * $varname ) + ";
		$scale *= $staticDefineMax[$i] - $staticDefineMin[$i] + 1;
	}
	push @outputHeader, "0;\n";
	push @outputHeader, "\t}\n";
	push @outputHeader, "};\n";
}

sub BuildDefineOptions
{
	local( $output );
	local( $combo ) = shift;
	local( $i );
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		local( $val ) = ( $combo % ( $dynamicDefineMax[$i] - $dynamicDefineMin[$i] + 1 ) ) + $dynamicDefineMin[$i];
		$output .= "/D$dynamicDefineNames[$i]=$val ";
		$combo = $combo / ( $dynamicDefineMax[$i] - $dynamicDefineMin[$i] + 1 );
	}
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		local( $val ) = ( $combo % ( $staticDefineMax[$i] - $staticDefineMin[$i] + 1 ) ) + $staticDefineMin[$i];
		$output .= "/D$staticDefineNames[$i]=$val ";
		$combo = $combo / ( $staticDefineMax[$i] - $staticDefineMin[$i] + 1 );
	}
	return $output;
}

sub SetPerlVarsForCombo
{
	local( $combo ) = shift;
	local( $i );
	for( $i = 0; $i < scalar( @dynamicDefineNames ); $i++ )
	{
		local( $val ) = ( $combo % ( $dynamicDefineMax[$i] - $dynamicDefineMin[$i] + 1 ) ) + $dynamicDefineMin[$i];
		local( $eval ) = "\$" . $dynamicDefineNames[$i] . " = $val;";
		eval $eval;
		$combo = $combo / ( $dynamicDefineMax[$i] - $dynamicDefineMin[$i] + 1 );
	}
	for( $i = 0; $i < scalar( @staticDefineNames ); $i++ )
	{
		local( $val ) = ( $combo % ( $staticDefineMax[$i] - $staticDefineMin[$i] + 1 ) ) + $staticDefineMin[$i];
		local( $eval ) = "\$" . $staticDefineNames[$i] . " = $val;";
		eval $eval;
		$combo = $combo / ( $staticDefineMax[$i] - $staticDefineMin[$i] + 1 );
	}
}

sub GetNewMainName
{
	local( $shadername ) = shift;
	local( $combo ) = shift;
	local( $i );
	$shadername =~ s/\./_/g;
	local( $name ) = $shadername;
	for( $i = 0; $i < scalar( @defineNames ); $i++ )
	{
		local( $val ) = ( $combo % ( $defineMax[$i] - $defineMin[$i] + 1 ) ) + $defineMin[$i];
		$name .= "_" . $defineNames[$i] . "_" . $val;
		$combo = $combo / ( $defineMax[$i] - $defineMin[$i] + 1 );
	}
#	return $name;
	return "main";
}

sub RenameMain
{
	local( $shadername ) = shift;
	local( $combo ) = shift;
	local( $name ) = &GetNewMainName( $shadername, $combo );
	return "/Dmain=$name /E$name ";
}

sub GetShaderType
{
	local( $shadername ) = shift;
	if( $shadername =~ m/ps20/i )
	{
		if( $debug )
		{
			return "ps_2_sw";
		}
		else
		{
			if( $ps2a )
			{
				return "ps_2_a";
			}
			else
			{
				return "ps_2_0";
			}
		}
	}
	elsif( $shadername =~ m/ps14/i )
	{
		return "ps_1_4";
	}
	elsif( $shadername =~ m/vs20/i )
	{
		if( $debug )
		{
			return "vs_2_sw";
		}
		else
		{
			return "vs_2_0";
		}
	}
	elsif( $shadername =~ m/vs14/i )
	{
		return "vs_1_1";
	}