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>glUniformMatrix2fv</title> 8 </head> 9 <body> 10<h1><CODE>glUniformMatrix2fv</CODE> Function</h1> 11<h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14GL_APICALL void GL_APIENTRY glUniformMatrix2fv( 15 GLint location, 16 GLsizei count, 17 GLboolean transpose, 18 const GLfloat * value 19); 20</pre> 21 </div> 22<h2>Arguments</h2> 23 <div class="section"> 24 <table class="arguments"> 25 <thead> 26 <tr> 27 <td width="15" /> 28<th>Name</th> 29<td>Description</td> 30 </tr> 31 </thead> 32 <tr> 33<td>in</td> 34<th>location</th> 35<td>Location of uniform variable</td> 36 </tr> 37 <tr> 38<td>in</td> 39<th>count</th> 40<td>The number of elements in the <CODE>GL_FLOAT_VEC2</CODE>-type uniform variable array being configured.</td> 41 </tr> 42 <tr> 43<td>in</td> 44<th>transpose</th> 45<td>Whether to load the transpose</td> 46 </tr> 47 <tr> 48<td>in</td> 49<th>value</th> 50<td>Array storing the values to set</td> 51 </tr> </table> 52 </div> 53<h2>Return Values</h2> 54<div class="section">No values are returned. </div> 55<h2>Description</h2> 56 <div class="section"> 57<p>Sets the values of <CODE>GL_FLOAT_VEC2</CODE>-type uniform variable arrays in the vertex shader or geometry shader.</p><P> 58This function changes the values of a (<span class="argument">count</span> × 2) number of arrays. Set <span class="argument">transpose</span> to <CODE>GL_TRUE</CODE> when taking the transpose. For <span class="argument">value</span>, specify an array of values to set in the uniform. Specify <span class="argument">value</span> using an array of (<span class="argument">count</span> × 4) <CODE>GLfloat</CODE> values. 59 </P><P> 60Calls to this function are ignored when <span class="argument">location</span> is -1. 61 </P><P> 62This function generates the following errors. 63<TABLE><TR><TH>GL_INVALID_VALUE</TH><TD>The <span class="argument">count</span> argument is negative.</TD></TR><TR><TH>GL_INVALID_OPERATION</TH><TD>The <span class="argument">location</span> argument is not a location in the current program.</TD></TR><TR><TH>GL_INVALID_OPERATION</TH><TD>There is no current program object.</TD></TR><TR><TH>GL_INVALID_OPERATION</TH><TD>This function was called on a location with a different data type or component count.</TD></TR><TR><TH>GL_INVALID_OPERATION</TH><TD>The uniform array count is less than two times the sum of <span class="argument">count</span> and the offset added to the location obtained from <CODE>glGetUniformLocation</CODE>.</TD></TR></TABLE><!-- source countが負の値の場合エラーGL_INVALID_VALUEを生成します。 locationがカレントのプログラムのロケーションではない場合エラーGL_INVALID_OPERATIONを生成します。 カレントにプログラムがない場合エラーGL_INVALID_OPERATIONを生成します。 データのコンポーネント数、および型の異なるロケーションに対して呼び出した場合エラーGL_INVALID_OPERATIONを生成します。 glGetUniformLocationで取得されるロケーションの値に加算したオフセットとcountの和x2が ユニフォームの配列数を超える場合エラーGL_INVALID_OPERATIONを生成します。 --></P></div> 64<h2>Revision History</h2> 65 <div class="section"> 66 <dl class="history"> 67 <dt>2010/01/07</dt> 68<dd>Initial version.<br /> 69 </dd> 70 </dl> 71 </div> 72 <hr><p>CONFIDENTIAL</p></body> 73</html>