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Adobe's shader assembler, used by most Molehill examples.
// ================================================================================
//
// ADOBE SYSTEMS INCORPORATED
// Copyright 2010 Adobe Systems Incorporated
// All Rights Reserved.
//
// NOTICE: Adobe permits you to use, modify, and distribute this file
// in accordance with the terms of the license agreement accompanying it.
//
// ================================================================================
package com.adobe.utils
{
// ===========================================================================
// Imports
// ---------------------------------------------------------------------------
//import flash.display3D.*;
import flash.utils.*;
// ===========================================================================
// Class
// ---------------------------------------------------------------------------
public class AGALMiniAssembler
{
// ======================================================================
// Properties
// ----------------------------------------------------------------------
// AGAL bytes and error buffer
private var _agalcode:ByteArray = null;
private var _error:String = "";
private var debugEnabled:Boolean = false;
private static var initialized:Boolean = false;
// ======================================================================
// Getters
// ----------------------------------------------------------------------
public function get error():String { return _error; }
public function get agalcode():ByteArray { return _agalcode; }
// ======================================================================
// Constructor
// ----------------------------------------------------------------------
public function AGALMiniAssembler( debugging:Boolean = false ):void
{
debugEnabled = debugging;
if ( !initialized )
init();
}
// ======================================================================
// Methods
// ----------------------------------------------------------------------
public function assemble( mode:String, source:String, verbose:Boolean = false ):ByteArray
{
var start:uint = getTimer();
_agalcode = new ByteArray();
_error = "";
var isFrag:Boolean = false;
if ( mode == FRAGMENT )
isFrag = true
else if ( mode != VERTEX )
_error = 'ERROR: mode needs to be "' + FRAGMENT + '" or "' + VERTEX + '" but is "' + mode + '".';
agalcode.endian = Endian.LITTLE_ENDIAN;
agalcode.writeByte( 0xa0 ); // tag version
agalcode.writeUnsignedInt( 0x1 ); // AGAL version, big endian, bit pattern will be 0x01000000
agalcode.writeByte( 0xa1 ); // tag program id
agalcode.writeByte( isFrag ? 1 : 0 ); // vertex or fragment
var lines:Array = source.replace( /[\f\n\r\v]+/g, "\n" ).split( "\n" );
var nest:int = 0;
var nops:int = 0;
var i:int;
var lng:int = lines.length;
for ( i = 0; i < lng && _error == ""; i++ )
{
var line:String = new String( lines[i] );
// remove comments
var startcomment:int = line.search( "//" );
if ( startcomment != -1 )
line = line.slice( 0, startcomment );
// grab options
var optsi:int = line.search( /<.*>/g );
var opts:Array;
if ( optsi != -1 )
{
opts = line.slice( optsi ).match( /([\w\.\-\+]+)/gi );
line = line.slice( 0, optsi );
}
// find opcode
var opCode:Array = line.match( /^\w{3}/ig );
var opFound:OpCode = OPMAP[ opCode[0] ];
// if debug is enabled, output the opcodes
if ( debugEnabled )
trace( opFound );
if ( opFound == null )
{
if ( line.length >= 3 )
trace( "warning: bad line "+i+": "+lines[i] );
continue;
}
line = line.slice( line.search( opFound.name ) + opFound.name.length );
// nesting check
if ( opFound.flags & OP_DEC_NEST )
{
nest--;
if ( nest < 0 )
{
_error = "error: conditional closes without open.";
break;
}
}
if ( opFound.flags & OP_INC_NEST )
{
nest++;
if ( nest > MAX_NESTING )
{
_error = "error: nesting to deep, maximum allowed is "+MAX_NESTING+".";
break;
}
}
if ( ( opFound.flags & OP_FRAG_ONLY ) && !isFrag )
{
_error = "error: opcode is only allowed in fragment programs.";
break;
}
if ( verbose )
trace( "emit opcode=" + opFound );
agalcode.writeUnsignedInt( opFound.emitCode );
nops++;
if ( nops > MAX_OPCODES )
{
_error = "error: too many opcodes. maximum is "+MAX_OPCODES+".";
break;
}
// get operands, use regexp
var regs:Array = line.match( /vc\[([vof][actps]?)(\d*)?(\.[xyzw](\+\d{1,3})?)?\](\.[xyzw]{1,4})?|([vof][actps]?)(\d*)?(\.[xyzw]{1,4})?/gi );
if ( regs.length != opFound.numRegister )
{
_error = "error: wrong number of operands. found "+regs.length+" but expected "+opFound.numRegister+".";
break;
}
var badreg:Boolean = false;
var pad:uint = 64 + 64 + 32;
var regLength:uint = regs.length;
for ( var j:int = 0; j < regLength; j++ )
{
var isRelative:Boolean = false;
var relreg:Array = regs[ j ].match( /\[.*\]/ig );
if ( relreg.length > 0 )
{
regs[ j ] = regs[ j ].replace( relreg[ 0 ], "0" );
if ( verbose )
trace( "IS REL" );
isRelative = true;
}
var res:Array = regs[j].match( /^\b[A-Za-z]{1,2}/ig );
var regFound:Register = REGMAP[ res[ 0 ] ];
// if debug is enabled, output the registers
if ( debugEnabled )
trace( regFound );
if ( regFound == null )
{
_error = "error: could not parse operand "+j+" ("+regs[j]+").";
badreg = true;
break;
}
if ( isFrag )
{
if ( !( regFound.flags & REG_FRAG ) )
{
_error = "error: register operand "+j+" ("+regs[j]+") only allowed in vertex programs.";
badreg = true;
break;
}
if ( isRelative )
{
_error = "error: register operand "+j+" ("+regs[j]+") relative adressing not allowed in fragment programs.";
badreg = true;
break;
}
}
else
{
if ( !( regFound.flags & REG_VERT ) )
{
_error = "error: register operand "+j+" ("+regs[j]+") only allowed in fragment programs.";
badreg = true;
break;
}
}
regs[j] = regs[j].slice( regs[j].search( regFound.name ) + regFound.name.length );
//trace( "REGNUM: " +regs[j] );
var idxmatch:Array = isRelative ? relreg[0].match( /\d+/ ) : regs[j].match( /\d+/ );
var regidx:uint = 0;
if ( idxmatch )
regidx = uint( idxmatch[0] );
if ( regFound.range < regidx )
{
_error = "error: register operand "+j+" ("+regs[j]+") index exceeds limit of "+(regFound.range+1)+".";
badreg = true;
break;
}
var regmask:uint = 0;
var maskmatch:Array = regs[j].match( /(\.[xyzw]{1,4})/ );
var isDest:Boolean = ( j == 0 && !( opFound.flags & OP_NO_DEST ) );
var isSampler:Boolean = ( j == 2 && ( opFound.flags & OP_SPECIAL_TEX ) );
var reltype:uint = 0;
var relsel:uint = 0;
var reloffset:int = 0;
if ( isDest && isRelative )
{
_error = "error: relative can not be destination";
badreg = true;
break;
}
if ( maskmatch )
{
regmask = 0;
var cv:uint;
var maskLength:uint = maskmatch[0].length;
for ( var k:int = 1; k < maskLength; k++ )
{
cv = maskmatch[0].charCodeAt(k) - "x".charCodeAt(0);
if ( cv > 2 )
cv = 3;
if ( isDest )
regmask |= 1 << cv;
else
regmask |= cv << ( ( k - 1 ) << 1 );
}
if ( !isDest )
for ( ; k <= 4; k++ )
regmask |= cv << ( ( k - 1 ) << 1 ) // repeat last
}
else
{
regmask = isDest ? 0xf : 0xe4; // id swizzle or mask
}
if ( isRelative )
{
var relname:Array = relreg[0].match( /[A-Za-z]{1,2}/ig );
var regFoundRel:Register = REGMAP[ relname[0]];
if ( regFoundRel == null )
{
_error = "error: bad index register";
badreg = true;
break;
}
reltype = regFoundRel.emitCode;
var selmatch:Array = relreg[0].match( /(\.[xyzw]{1,1})/ );
if ( selmatch.length==0 )
{
_error = "error: bad index register select";
badreg = true;
break;
}
relsel = selmatch[0].charCodeAt(1) - "x".charCodeAt(0);
if ( relsel > 2 )
relsel = 3;
var relofs:Array = relreg[0].match( /\+\d{1,3}/ig );
if ( relofs.length > 0 )
reloffset = relofs[0];
if ( reloffset < 0 || reloffset > 255 )
{
_error = "error: index offset "+reloffset+" out of bounds. [0..255]";
badreg = true;
break;
}
if ( verbose )
trace( "RELATIVE: type="+reltype+"=="+relname[0]+" sel="+relsel+"=="+selmatch[0]+" idx="+regidx+" offset="+reloffset );
}
if ( verbose )
trace( " emit argcode="+regFound+"["+regidx+"]["+regmask+"]" );
if ( isDest )
{
agalcode.writeShort( regidx );
agalcode.writeByte( regmask );
agalcode.writeByte( regFound.emitCode );
pad -= 32;
} else
{
if ( isSampler )
{
if ( verbose )
trace( " emit sampler" );
var samplerbits:uint = 5; // type 5
var optsLength:uint = opts.length;
var bias:Number = 0;
for ( k = 0; k<optsLength; k++ )
{
if ( verbose )
trace( " opt: "+opts[k] );
var optfound:Sampler = SAMPLEMAP [opts[k]];
if ( optfound == null )
{
// todo check that it's a number...
//trace( "Warning, unknown sampler option: "+opts[k] );
bias = Number(opts[k]);
if ( verbose )
trace( " bias: " + bias );
}
else
{
if ( optfound.flag != SAMPLER_SPECIAL_SHIFT )
samplerbits &= ~( 0xf << optfound.flag );
samplerbits |= uint( optfound.mask ) << uint( optfound.flag );
}
}
agalcode.writeShort( regidx );
agalcode.writeByte(int(bias*8.0));
agalcode.writeByte(0);
agalcode.writeUnsignedInt( samplerbits );
if ( verbose )
trace( " bits: " + ( samplerbits - 5 ) );
pad -= 64;
}
else
{
if ( j == 0 )
{
agalcode.writeUnsignedInt( 0 );
pad -= 32;
}
agalcode.writeShort( regidx );
agalcode.writeByte( reloffset );
agalcode.writeByte( regmask );
agalcode.writeByte( regFound.emitCode );
agalcode.writeByte( reltype );
agalcode.writeShort( isRelative ? ( relsel | ( 1 << 15 ) ) : 0 );
pad -= 64;
}
}
}
// pad unused regs
for ( j = 0; j < pad; j += 8 )
agalcode.writeByte( 0 );
if ( badreg )
break;
}
if ( _error != "" )
{
_error += "\n at line " + i + " " + lines[i];
agalcode.length = 0;
trace( _error );
}
// trace the bytecode bytes if debugging is enabled
if ( debugEnabled )
{
var dbgLine:String = "generated bytecode:";
var agalLength:uint = agalcode.length;
for ( var index:uint = 0; index < agalLength; index++ )
{
if ( !( index % 16 ) )
dbgLine += "\n";
if ( !( index % 4 ) )
dbgLine += " ";
var byteStr:String = agalcode[ index ].toString( 16 );
if ( byteStr.length < 2 )
byteStr = "0" + byteStr;
dbgLine += byteStr;
}
trace( dbgLine );
}
if ( verbose )
trace( "AGALMiniAssembler.assemble time: " + ( ( getTimer() - start ) / 1000 ) + "s" );
return agalcode;
}
static private function init():void
{
initialized = true;
// Fill the dictionaries with opcodes and registers
OPMAP[ MOV ] = new OpCode( MOV, 2, 0x00, 0 );
OPMAP[ ADD ] = new OpCode( ADD, 3, 0x01, 0 );
OPMAP[ SUB ] = new OpCode( SUB, 3, 0x02, 0 );
OPMAP[ MUL ] = new OpCode( MUL, 3, 0x03, 0 );
OPMAP[ DIV ] = new OpCode( DIV, 3, 0x04, 0 );
OPMAP[ RCP ] = new OpCode( RCP, 2, 0x05, 0 );
OPMAP[ MIN ] = new OpCode( MIN, 3, 0x06, 0 );
OPMAP[ MAX ] = new OpCode( MAX, 3, 0x07, 0 );
OPMAP[ FRC ] = new OpCode( FRC, 2, 0x08, 0 );
OPMAP[ SQT ] = new OpCode( SQT, 2, 0x09, 0 );
OPMAP[ RSQ ] = new OpCode( RSQ, 2, 0x0a, 0 );
OPMAP[ POW ] = new OpCode( POW, 3, 0x0b, 0 );
OPMAP[ LOG ] = new OpCode( LOG, 2, 0x0c, 0 );
OPMAP[ EXP ] = new OpCode( EXP, 2, 0x0d, 0 );
OPMAP[ NRM ] = new OpCode( NRM, 2, 0x0e, 0 );
OPMAP[ SIN ] = new OpCode( SIN, 2, 0x0f, 0 );
OPMAP[ COS ] = new OpCode( COS, 2, 0x10, 0 );
OPMAP[ CRS ] = new OpCode( CRS, 3, 0x11, 0 );
OPMAP[ DP3 ] = new OpCode( DP3, 3, 0x12, 0 );
OPMAP[ DP4 ] = new OpCode( DP4, 3, 0x13, 0 );
OPMAP[ ABS ] = new OpCode( ABS, 2, 0x14, 0 );
OPMAP[ NEG ] = new OpCode( NEG, 2, 0x15, 0 );
OPMAP[ SAT ] = new OpCode( SAT, 2, 0x16, 0 );
OPMAP[ M33 ] = new OpCode( M33, 3, 0x17, OP_SPECIAL_MATRIX );
OPMAP[ M44 ] = new OpCode( M44, 3, 0x18, OP_SPECIAL_MATRIX );
OPMAP[ M34 ] = new OpCode( M34, 3, 0x19, OP_SPECIAL_MATRIX );
OPMAP[ IFZ ] = new OpCode( IFZ, 1, 0x1a, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ INZ ] = new OpCode( INZ, 1, 0x1b, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ IFE ] = new OpCode( IFE, 2, 0x1c, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ INE ] = new OpCode( INE, 2, 0x1d, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ IFG ] = new OpCode( IFG, 2, 0x1e, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ IFL ] = new OpCode( IFL, 2, 0x1f, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ IEG ] = new OpCode( IEG, 2, 0x20, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ IEL ] = new OpCode( IEL, 2, 0x21, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ ELS ] = new OpCode( ELS, 0, 0x22, OP_NO_DEST | OP_INC_NEST | OP_DEC_NEST );
OPMAP[ EIF ] = new OpCode( EIF, 0, 0x23, OP_NO_DEST | OP_DEC_NEST );
OPMAP[ REP ] = new OpCode( REP, 1, 0x24, OP_NO_DEST | OP_INC_NEST | OP_SCALAR );
OPMAP[ ERP ] = new OpCode( ERP, 0, 0x25, OP_NO_DEST | OP_DEC_NEST );
OPMAP[ BRK ] = new OpCode( BRK, 0, 0x26, OP_NO_DEST );
OPMAP[ KIL ] = new OpCode( KIL, 1, 0x27, OP_NO_DEST | OP_FRAG_ONLY );
OPMAP[ TEX ] = new OpCode( TEX, 3, 0x28, OP_FRAG_ONLY | OP_SPECIAL_TEX );
OPMAP[ SGE ] = new OpCode( SGE, 3, 0x29, 0 );
OPMAP[ SLT ] = new OpCode( SLT, 3, 0x2a, 0 );
OPMAP[ SGN ] = new OpCode( SGN, 2, 0x2b, 0 );
REGMAP[ VA ] = new Register( VA, "vertex attribute", 0x0, 7, REG_VERT | REG_READ );
REGMAP[ VC ] = new Register( VC, "vertex constant", 0x1, 127, REG_VERT | REG_READ );
REGMAP[ VT ] = new Register( VT, "vertex temporary", 0x2, 7, REG_VERT | REG_WRITE | REG_READ );
REGMAP[ OP ] = new Register( OP, "vertex output", 0x3, 0, REG_VERT | REG_WRITE );
REGMAP[ V ] = new Register( V, "varying", 0x4, 7, REG_VERT | REG_FRAG | REG_READ | REG_WRITE );
REGMAP[ FC ] = new Register( FC, "fragment constant", 0x1, 27, REG_FRAG | REG_READ );
REGMAP[ FT ] = new Register( FT, "fragment temporary", 0x2, 7, REG_FRAG | REG_WRITE | REG_READ );
REGMAP[ FS ] = new Register( FS, "texture sampler", 0x5, 7, REG_FRAG | REG_READ );
REGMAP[ OC ] = new Register( OC, "fragment output", 0x3, 0, REG_FRAG | REG_WRITE );
SAMPLEMAP[ D2 ] = new Sampler( D2, SAMPLER_DIM_SHIFT, 0 );
SAMPLEMAP[ D3 ] = new Sampler( D3, SAMPLER_DIM_SHIFT, 2 );
SAMPLEMAP[ CUBE ] = new Sampler( CUBE, SAMPLER_DIM_SHIFT, 1 );
SAMPLEMAP[ MIPNEAREST ] = new Sampler( MIPNEAREST, SAMPLER_MIPMAP_SHIFT, 1 );
SAMPLEMAP[ MIPLINEAR ] = new Sampler( MIPLINEAR, SAMPLER_MIPMAP_SHIFT, 2 );
SAMPLEMAP[ MIPNONE ] = new Sampler( MIPNONE, SAMPLER_MIPMAP_SHIFT, 0 );
SAMPLEMAP[ NOMIP ] = new Sampler( NOMIP, SAMPLER_MIPMAP_SHIFT, 0 );
SAMPLEMAP[ NEAREST ] = new Sampler( NEAREST, SAMPLER_FILTER_SHIFT, 0 );
SAMPLEMAP[ LINEAR ] = new Sampler( LINEAR, SAMPLER_FILTER_SHIFT, 1 );
SAMPLEMAP[ CENTROID ] = new Sampler( CENTROID, SAMPLER_SPECIAL_SHIFT, 1 << 0 );
SAMPLEMAP[ SINGLE ] = new Sampler( SINGLE, SAMPLER_SPECIAL_SHIFT, 1 << 1 );
SAMPLEMAP[ DEPTH ] = new Sampler( DEPTH, SAMPLER_SPECIAL_SHIFT, 1 << 2 );
SAMPLEMAP[ REPEAT ] = new Sampler( REPEAT, SAMPLER_REPEAT_SHIFT, 1 );
SAMPLEMAP[ WRAP ] = new Sampler( WRAP, SAMPLER_REPEAT_SHIFT, 1 );
SAMPLEMAP[ CLAMP ] = new Sampler( CLAMP, SAMPLER_REPEAT_SHIFT, 0 );
}
// ======================================================================
// Constants
// ----------------------------------------------------------------------
private static const OPMAP:Dictionary = new Dictionary();
private static const REGMAP:Dictionary = new Dictionary();
private static const SAMPLEMAP:Dictionary = new Dictionary();
private static const MAX_NESTING:int = 4;
private static const MAX_OPCODES:int = 256;
private static const FRAGMENT:String = "fragment";
private static const VERTEX:String = "vertex";
// masks and shifts
private static const SAMPLER_DIM_SHIFT:uint = 12;
private static const SAMPLER_SPECIAL_SHIFT:uint = 16;
private static const SAMPLER_REPEAT_SHIFT:uint = 20;
private static const SAMPLER_MIPMAP_SHIFT:uint = 24;
private static const SAMPLER_FILTER_SHIFT:uint = 28;
// regmap flags
private static const REG_WRITE:uint = 0x1;
private static const REG_READ:uint = 0x2;
private static const REG_FRAG:uint = 0x20;
private static const REG_VERT:uint = 0x40;
// opmap flags
private static const OP_SCALAR:uint = 0x1;
private static const OP_INC_NEST:uint = 0x2;
private static const OP_DEC_NEST:uint = 0x4;
private static const OP_SPECIAL_TEX:uint = 0x8;
private static const OP_SPECIAL_MATRIX:uint = 0x10;
private static const OP_FRAG_ONLY:uint = 0x20;
private static const OP_VERT_ONLY:uint = 0x40;
private static const OP_NO_DEST:uint = 0x80;
// opcodes
private static const MOV:String = "mov";
private static const ADD:String = "add";
private static const SUB:String = "sub";
private static const MUL:String = "mul";
private static const DIV:String = "div";
private static const RCP:String = "rcp";
private static const MIN:String = "min";
private static const MAX:String = "max";
private static const FRC:String = "frc";
private static const SQT:String = "sqt";
private static const RSQ:String = "rsq";
private static const POW:String = "pow";
private static const LOG:String = "log";
private static const EXP:String = "exp";
private static const NRM:String = "nrm";
private static const SIN:String = "sin";
private static const COS:String = "cos";
private static const CRS:String = "crs";
private static const DP3:String = "dp3";
private static const DP4:String = "dp4";
private static const ABS:String = "abs";
private static const NEG:String = "neg";
private static const SAT:String = "sat";
private static const M33:String = "m33";
private static const M44:String = "m44";
private static const M34:String = "m34";
private static const IFZ:String = "ifz";
private static const INZ:String = "inz";
private static const IFE:String = "ife";
private static const INE:String = "ine";
private static const IFG:String = "ifg";
private static const IFL:String = "ifl";
private static const IEG:String = "ieg";
private static const IEL:String = "iel";
private static const ELS:String = "els";
private static const EIF:String = "eif";
private static const REP:String = "rep";
private static const ERP:String = "erp";
private static const BRK:String = "brk";
private static const KIL:String = "kil";
private static const TEX:String = "tex";
private static const SGE:String = "sge";
private static const SLT:String = "slt";
private static const SGN:String = "sgn";
// registers
private static const VA:String = "va";
private static const VC:String = "vc";
private static const VT:String = "vt";
private static const OP:String = "op";
private static const V:String = "v";
private static const FC:String = "fc";
private static const FT:String = "ft";
private static const FS:String = "fs";
private static const OC:String = "oc";
// samplers
private static const D2:String = "2d";
private static const D3:String = "3d";
private static const CUBE:String = "cube";
private static const MIPNEAREST:String = "mipnearest";
private static const MIPLINEAR:String = "miplinear";
private static const MIPNONE:String = "mipnone";
private static const NOMIP:String = "nomip";
private static const NEAREST:String = "nearest";
private static const LINEAR:String = "linear";
private static const CENTROID:String = "centroid";
private static const SINGLE:String = "single";
private static const DEPTH:String = "depth";
private static const REPEAT:String = "repeat";
private static const WRAP:String = "wrap";
private static const CLAMP:String = "clamp";
}
}
// ================================================================================
// Helper Classes
// --------------------------------------------------------------------------------
{
// ===========================================================================
// Class
// ---------------------------------------------------------------------------
class OpCode
{
// ======================================================================
// Properties
// ----------------------------------------------------------------------
private var _emitCode:uint;
private var _flags:uint;
private var _name:String;
private var _numRegister:uint;
// ======================================================================
// Getters
// ----------------------------------------------------------------------
public function get emitCode():uint { return _emitCode; }
public function get flags():uint { return _flags; }
public function get name():String { return _name; }
public function get numRegister():uint { return _numRegister; }
// ======================================================================
// Constructor
// ----------------------------------------------------------------------
public function OpCode( name:String, numRegister:uint, emitCode:uint, flags:uint)
{
_name = name;
_numRegister = numRegister;
_emitCode = emitCode;
_flags = flags;
}
// ======================================================================
// Methods
// ----------------------------------------------------------------------
public function toString():String
{
return "[OpCode name=\""+_name+"\", numRegister="+_numRegister+", emitCode="+_emitCode+", flags="+_flags+"]";
}
}
// ===========================================================================
// Class
// ---------------------------------------------------------------------------
class Register
{
// ======================================================================
// Properties
// ----------------------------------------------------------------------
private var _emitCode:uint;
private var _name:String;
private var _longName:String;
private var _flags:uint;
private var _range:uint;
// ======================================================================
// Getters
// ----------------------------------------------------------------------
public function get emitCode():uint { return _emitCode; }
public function get longName():String { return _longName; }
public function get name():String { return _name; }
public function get flags():uint { return _flags; }
public function get range():uint { return _range; }
// ======================================================================
// Constructor
// ----------------------------------------------------------------------
public function Register( name:String, longName:String, emitCode:uint, range:uint, flags:uint)
{
_name = name;
_longName = longName;
_emitCode = emitCode;
_range = range;
_flags = flags;
}
// ======================================================================
// Methods
// ----------------------------------------------------------------------
public function toString():String
{
return "[Register name=\""+_name+"\", longName=\""+_longName+"\", emitCode="+_emitCode+", range="+_range+", flags="+ _flags+"]";
}
}
// ===========================================================================
// Class
// ---------------------------------------------------------------------------
class Sampler
{
// ======================================================================
// Properties
// ----------------------------------------------------------------------
private var _flag:uint;
private var _mask:uint;
private var _name:String;
// ======================================================================
// Getters
// ----------------------------------------------------------------------
public function get flag():uint { return _flag; }
public function get mask():uint { return _mask; }
public function get name():String { return _name; }
// ======================================================================
// Constructor
// ----------------------------------------------------------------------
public function Sampler( name:String, flag:uint, mask:uint )
{
_name = name;
_flag = flag;
_mask = mask;
}
// ======================================================================
// Methods
// ----------------------------------------------------------------------
public function toString():String
{
return "[Sampler name=\""+_name+"\", flag=\""+_flag+"\", mask="+mask+"]";
}
}
}
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