1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2<html xml:lang="en-US" lang="en-US" xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <meta http-equiv="Content-Style-Type" content="text/css" /> 6 <link rel="stylesheet" href="../css/manpage.css" type="text/css" /> 7 <title>Flow Control Instructions</title> 8 </head> 9 <body> 10 <h1>Flow Control Instructions</h1> 11 <h2>Description</h2> 12 <div class="section"> 13 <p>The flow control instructions control the flow of execution.</p> 14 </div> 15 16 <a name="function" id="function"> 17 <h2>List of Instructions</h2> 18 <div class="section"> 19 <table class="members"> 20 <tr> 21 <th> 22 <a href="call.html">call</a> 23 </th> 24 <th>Call subroutine</th> 25 <td>Calls a subroutine specified by a label.</td> 26 </tr> 27 <tr> 28 <th> 29 <a href="callb.html">callb</a> 30 </th> 31 <th>Boolean call</th> 32 <td>Calls a subroutine specified by a label if the Boolean register is the specified value.</td> 33 </tr> 34 <tr> 35 <th> 36 <a href="callc.html">callc</a> 37 </th> 38 <th>Condition call</th> 39 <td>Calls a subroutine specified by a label if the status register satisfies the specified condition.</td> 40 </tr> 41 <tr> 42 <th> 43 <a href="jpb.html">jpb</a> 44 </th> 45 <th>Boolean jump</th> 46 <td>Jumps to the position of a specified label if the Boolean register is the specified value.</td> 47 </tr> 48 <tr> 49 <th> 50 <a href="jpc.html">jpc</a> 51 </th> 52 <th>Condition jump</th> 53 <td>Jumps to the position of a specified label if the status register satisfies the specified condition.</td> 54 </tr> 55 <tr> 56 <th> 57 <a href="ret.html">ret</a> 58 </th> 59 <th>Return from subroutine</th> 60 <td>Returns to where the subroutine was invoked.</td> 61 </tr> 62 <tr> 63 <th> 64 <a href="ifb.html">ifb</a> 65 </th> 66 <th>Start if block by boolean</th> 67 <td>Starts a control statement based on the contents of a Boolean register.</td> 68 </tr> 69 <tr> 70 <th> 71 <a href="ifc.html">ifc</a> 72 </th> 73 <th>Start if block by condition</th> 74 <td>Starts a control statement based on the contents of a status register.</td> 75 </tr> 76 <tr> 77 <th> 78 <a href="else.html">else</a> 79 </th> 80 <th>Start else block</th> 81 <td>Starts a control statement if the condition is not satisfied by <CODE>ifb</CODE> or <CODE>ifc</CODE>.</td> 82 </tr> 83 <tr> 84 <th> 85 <a href="endif.html">endif</a> 86 </th> 87 <th>End if block</th> 88 <td>Ends a control statement started by <CODE>ifb</CODE> or <CODE>ifc</CODE>.</td> 89 </tr> 90 <tr> 91 <th> 92 <a href="loop.html">loop</a> 93 </th> 94 <th>Start loop statement</th> 95 <td>Starts a loop control statement.</td> 96 </tr> 97 <tr> 98 <th> 99 <a href="endloop.html">endloop</a> 100 </th> 101 <th>End loop statement</th> 102 <td>Ends a loop control statement.</td> 103 </tr> 104 <tr> 105 <th> 106 <a href="breakc.html">breakc</a> 107 </th> 108 <th>Break from loop statement by condition</th> 109 <td>Forcibly ends loop control statement if the status register satisfies the specified condition.</td> 110 </tr> 111 <tr> 112 <th> 113 <a href="cmp.html">cmp</a> 114 </th> 115 <th>Compare</th> 116 <td>Compares the contents of two registers and stores the result in a status register.</td> 117 </tr> 118 <tr> 119 <th> 120 <a href="end.html">end</a> 121 </th> 122 <th>End process</th> 123 <td>Ends vertex shader processing.</td> 124 </tr> 125 126 </table> 127 </div> 128 </a> 129 130 131 <h2>Revision History</h2> 132 <div class="section"> 133 <dl class="history"> 134 <dt>2011/12/20</dt> 135 <dd>Initial version.<br /> 136 </dd> 137 </dl> 138 </div> 139 140 <hr><p>CONFIDENTIAL</p></body> 141</html> 142