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>glGetBooleanv</title> 8 </head> 9 <body> 10<h1>glGetBooleanv Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14GL_APICALL void GL_APIENTRY glGetBooleanv( 15 GLenum pname, 16 GLboolean * params 17); 18</pre> 19 </div> 20<h2>Arguments</h2> 21 <div class="section"> 22 <table class="arguments"> 23 <thead> 24 <tr> 25 <td width="15" /> 26<th>Name</th> 27<td>Description</td> 28 </tr> 29 </thead> 30 <tr> 31<td>in</td> 32<th>pname</th> 33<td>Name of the parameter to get</td> 34 </tr> 35 <tr> 36<td>out</td> 37<th>params</th> 38<td>Array storing the obtained parameters</td> 39 </tr> </table> 40 </div> 41<h2>Return Values</h2> 42<div class="section">No values are returned. </div> 43<h2>Description</h2> 44 <div class="section"> 45<p>Gets GL parameter settings as <code>GLboolean</code>-type values.</p><P> 46Set <span class="argument">pname</span> to one of the following values. 47<TABLE><TR><TH>GL_COLOR_WRITEMASK</TH><TD>Gets the setting that indicates whether color buffer access is enabled.</TD></TR><TR><TH>GL_DEPTH_WRITEMASK</TH><TD>Gets the setting that indicates whether depth buffer access is enabled.</TD></TR><TR><TH>GL_SHADER_COMPILER</TH><TD>Always gets <code>GL_FALSE</code>.</TD></TR><TR><TH>GL_COLOR_LOGIC_OP</TH><TD>Gets a value that indicates whether logical operations are enabled for pixels.</TD></TR><TR><TH>GL_BLEND</TH><TD>Gets a value that indicates whether blend features are enabled.</TD></TR><TR><TH>GL_DEPTH_TEST</TH><TD>Gets a value that indicates whether depth tests are enabled.</TD></TR><TR><TH>GL_STENCIL_TEST</TH><TD>Gets a value that indicates whether stencil tests are enabled.</TD></TR><TR><TH>GL_POLYGON_OFFSET_FILL</TH><TD>Gets a value that indicates whether polygon offsets are enabled.</TD></TR><TR><TH>GL_CULL_FACE</TH><TD>Gets a value that indicates whether culling is enabled.</TD></TR></TABLE><!-- source pnameにはGL_COLOR_WRITEMASK、GL_DEPTH_WRITEMASK、GL_SHADER_COMPILER、 GL_COLOR_LOGIC_OP、GL_BLEND、GL_DEPTH_TEST、GL_STENCIL_TEST、GL_SCISSOR_TEST、GL_POLYGON_OFFSET_FILL、GL_CULL_FACEが指定できます。 GL_COLOR_WRITEMASKはカラーバッファのアクセス有効・無効の設定を取得します。 GL_DEPTH_WRITEMASKはデプスバッファのアクセス有効・無効の設定を取得します。 GL_SHADER_COMPILERは常にGL_FALSEを取得します。 GL_COLOR_LOGIC_OPはピクセルの論理演算の有効・無効を取得します。 GL_BLENDはブレンド機能の有効・無効を取得します。 GL_DEPTH_TESTはデプステストの有効・無効を取得します。 GL_STENCIL_TESTはステンシルテストの有効・無効を取得します。 GL_POLYGON_OFFSET_FILLはポリゴンオフセットの有効・無効を取得します。 GL_CULL_FACEはカリングの有効・無効を取得します。 --></P><P> 48You can also specify any setting that can be obtained by <code>glGetIntegerv</code> or <code>glGetFloatv</code>, but you will get <code>GL_FALSE</code> for any setting that has a value of 0 and <code>GL_TRUE</code> for any setting that has a nonzero value. 49 </P><P> 50This function generates the following errors. 51<TABLE><TR><TH>GL_INVALID_ENUM</TH><TD>The <span class="argument">pname</span> argument was set to an invalid value.</TD></TR></TABLE><!-- source pnameに不正な値を指定した場合エラーGL_INVALID_ENUMを生成します。 --></P></div> 52<h2>Revision History</h2> 53 <div class="section"> 54 <dl class="history"> 55 <dt>2010/01/07</dt> 56<dd>Initial version.<br /> 57 </dd> 58 </dl> 59 </div> 60 <hr><p>CONFIDENTIAL</p></body> 61</html>