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>GenerateMipMaps</title> 8 </head> 9 <body> 10 <h1>nn::gd::CTR::Memory::GenerateMipMaps Member Function</h1> 11 <h2>Syntax</h2> 12 <div class="section"> 13 <pre class="definition"> 14static <a href="../../../../nnResult/Overview.html">nnResult</a> GenerateMipMaps( 15 const Texture2DResource * tex2DResource, 16 u32 mipLevelSourceIndex, 17 s32 mipLevelLastDestinationIndex 18); 19</pre> 20 </div> 21 <h2>Arguments</h2> 22 <div class="section"> 23 <table class="arguments"> 24 <thead> 25 <tr> 26 <td width="15" /> 27 <th>Name</th> 28 <td>Description</td> 29 </tr> 30 </thead> 31 <tr> 32 <td>in</td> 33 <th>tex2DResource</th> 34 <td>Specifies the source <SPAN class="Argument">Texture2DResource</SPAN> resource. </td> 35 </tr> 36 <tr> 37 <td>in</td> 38 <th>mipLevelSourceIndex</th> 39 <td>Specifies the index of the mipmap level of the source. </td> 40 </tr> 41 <tr> 42 <td>in</td> 43 <th>mipLevelLastDestinationIndex</th> 44 <td>Specifies the index of the last mipmap level of the destination. If <CODE>-1</CODE> is specified, the last mipmap level index is used. </td> 45 </tr> </table> 46 </div> 47 <h2>Return Values</h2> 48 <div class="section">Returns the result of the operation. <br /> 49 <table class="arguments"> 50 <thead> 51 <tr> 52 <th>Value</th> 53 <td>Description</td> 54 </tr> 55 </thead> 56 <tr> 57 <th>ResultSuccess</th> 58 <td>Process was successful.</td> 59 </tr> 60 <tr> 61 <th>ResultNullParameter</th> 62 <td>NULL was specified for the specified <SPAN class="Argument">Texture2DResource</SPAN> resource. </td> 63 </tr> 64 <tr> 65 <th>ResultInvalidTextureMipLevelIndex</th> 66 <td>The mipmap index is invalid. </td> 67 </tr> 68 <tr> 69 <th>ResultInvalidTextureFormat</th> 70 <td>The specified resource pixel format size is invalid. Specify a pixel format size of 32, 24, or 16. </td> 71 </tr> 72 <tr> 73 <th>ResultInvalidTextureResolution</th> 74 <td>The resolution of the smallest mipmap level is 32 bytes when the pixel format size of the specified format is 32-bit or 24-bit, but is 64 bytes when the pixel format size is 16-bit.</td> 75 </tr> 76 </table> </div> 77 <h2>Description</h2> 78 <div class="section"> 79 <p>Creates a <SPAN class="Argument">Texture2DResource</SPAN> resource mipmap. </p><p>Pixel formats that can be specified: <br /><itemizedlist><listitem><para>NATIVE_FORMAT_RGBA_8888 <br /></para></listitem><listitem><para>NATIVE_FORMAT_RGB_888 <br /></para></listitem><listitem><para>NATIVE_FORMAT_RGBA_4444 <br /></para></listitem><listitem><para>NATIVE_FORMAT_RGBA_5551 <br /></para></listitem><listitem><para>NATIVE_FORMAT_RGB_565 <br /> . <br /></para></listitem></itemizedlist></p><p>If the pixel format of the <SPAN class="Argument">Texture2DResource</SPAN> resource is 24- or 32-bit, the data size for the mipmap level to be created is either larger than that or 32x32. If the pixel format of the <SPAN class="Argument">Texture2DResource</SPAN> resource is 16-bit, the data size for the mipmap level to be created is either larger than that or 64x64. A function with the same functionality as <CODE>nngxFilterBlockImage</CODE> is called internally. <br /> This function is added to the command list. See the Programming Guide for details.</p><!-- write here --></div> 80 <h2>Revision History</h2> 81 <div class="section"> 82 <dl class="history"> 83 <dt>2011/02/17</dt> 84 <dd>Initial version.<br /> 85 </dd> 86 </dl> 87 </div> 88 <hr><p>CONFIDENTIAL</p></body> 89</html> 90