102f4aeb0Sopenharmony_ci<?xml version="1.0" encoding="UTF-8"?> 202f4aeb0Sopenharmony_ci<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> 302f4aeb0Sopenharmony_ci<!-- saved from url=(0013)about:internet --> 402f4aeb0Sopenharmony_ci<?xml-stylesheet type="text/xsl" href="mathml.xsl"?><html xmlns="http://www.w3.org/1999/xhtml" xmlns:pref="http://www.w3.org/2002/Math/preference" xmlns:xlink="http://www.w3.org/1999/xlink" pref:renderer="mathplayer-dl"> 502f4aeb0Sopenharmony_ci <head> 602f4aeb0Sopenharmony_ci <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 702f4aeb0Sopenharmony_ci <style xmlns="" type="text/css"> 802f4aeb0Sopenharmony_ci /* This style sets a margin around the entire page */ 902f4aeb0Sopenharmony_ci html, body { 1002f4aeb0Sopenharmony_ci margin: 10px; 1102f4aeb0Sopenharmony_ci } 1202f4aeb0Sopenharmony_ci 1302f4aeb0Sopenharmony_ci p { 1402f4aeb0Sopenharmony_ci font: normal 16px verdana, sans-serif; 1502f4aeb0Sopenharmony_ci margin: 0; 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18902f4aeb0Sopenharmony_ci } 19002f4aeb0Sopenharmony_ci 19102f4aeb0Sopenharmony_ci div.refsect2 table { 19202f4aeb0Sopenharmony_ci margin-top: 0; 19302f4aeb0Sopenharmony_ci background-color: #e6e6e6; 19402f4aeb0Sopenharmony_ci width: 100%; 19502f4aeb0Sopenharmony_ci border: 0 solid #000; 19602f4aeb0Sopenharmony_ci padding: 2px; 19702f4aeb0Sopenharmony_ci font: normal 16px courier new, monospace !important; 19802f4aeb0Sopenharmony_ci } 19902f4aeb0Sopenharmony_ci 20002f4aeb0Sopenharmony_ci div.refsect2 td { 20102f4aeb0Sopenharmony_ci background-color: #e6e6e6; 20202f4aeb0Sopenharmony_ci font: normal 16px courier new, monospace !important; 20302f4aeb0Sopenharmony_ci white-space:pre; 20402f4aeb0Sopenharmony_ci } 20502f4aeb0Sopenharmony_ci 20602f4aeb0Sopenharmony_ci /* COPYRIGHT: This style formats the text of the copyright statement at the bottom of the page */ 20702f4aeb0Sopenharmony_ci div.refsect3 { 20802f4aeb0Sopenharmony_ci font: normal 11px verdana, sans-serif; 20902f4aeb0Sopenharmony_ci margin-top: 50px; 21002f4aeb0Sopenharmony_ci margin-bottom: 20px; 21102f4aeb0Sopenharmony_ci padding-top: 0; 21202f4aeb0Sopenharmony_ci padding-bottom: 0; 21302f4aeb0Sopenharmony_ci } 21402f4aeb0Sopenharmony_ci 21502f4aeb0Sopenharmony_ci</style> 21602f4aeb0Sopenharmony_ci <title>eglCreatePbufferSurface</title> 21702f4aeb0Sopenharmony_ci <meta name="generator" content="DocBook XSL Stylesheets V1.78.1" /> 21802f4aeb0Sopenharmony_ci </head> 21902f4aeb0Sopenharmony_ci <body> 22002f4aeb0Sopenharmony_ci <div class="refentry"> 22102f4aeb0Sopenharmony_ci <a id="eglCreatePbufferSurface"></a> 22202f4aeb0Sopenharmony_ci <div class="titlepage"></div> 22302f4aeb0Sopenharmony_ci <div xmlns="" class="refnamediv"> 22402f4aeb0Sopenharmony_ci <h1>eglCreatePbufferSurface</h1> 22502f4aeb0Sopenharmony_ci <p> 22602f4aeb0Sopenharmony_ci create a new <acronym xmlns="http://www.w3.org/1999/xhtml" class="acronym">EGL</acronym> pixel buffer surface 22702f4aeb0Sopenharmony_ci </p> 22802f4aeb0Sopenharmony_ci </div> 22902f4aeb0Sopenharmony_ci <div class="refsynopsisdiv"> 23002f4aeb0Sopenharmony_ci <h2>C Specification</h2> 23102f4aeb0Sopenharmony_ci <div class="funcsynopsis"> 23202f4aeb0Sopenharmony_ci <table xmlns="" border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"> 23302f4aeb0Sopenharmony_ci <tr valign="bottom"> 23402f4aeb0Sopenharmony_ci <td> 23502f4aeb0Sopenharmony_ci <code xmlns="http://www.w3.org/1999/xhtml" class="funcdef">EGLSurface <strong class="fsfunc">eglCreatePbufferSurface</strong>(</code> 23602f4aeb0Sopenharmony_ci <td>EGLDisplay <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">display</var>, </td> 23702f4aeb0Sopenharmony_ci </td> 23802f4aeb0Sopenharmony_ci </tr> 23902f4aeb0Sopenharmony_ci <tr valign="top"> 24002f4aeb0Sopenharmony_ci <td> </td> 24102f4aeb0Sopenharmony_ci <td>EGLConfig <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">config</var>, </td> 24202f4aeb0Sopenharmony_ci </tr> 24302f4aeb0Sopenharmony_ci <tr valign="top"> 24402f4aeb0Sopenharmony_ci <td> </td> 24502f4aeb0Sopenharmony_ci <td>EGLint const * <var xmlns="http://www.w3.org/1999/xhtml" class="pdparam">attrib_list</var><code>)</code></td> 24602f4aeb0Sopenharmony_ci </tr> 24702f4aeb0Sopenharmony_ci </table> 24802f4aeb0Sopenharmony_ci </div> 24902f4aeb0Sopenharmony_ci </div> 25002f4aeb0Sopenharmony_ci <div class="refsect1"> 25102f4aeb0Sopenharmony_ci <a id="parameters"></a> 25202f4aeb0Sopenharmony_ci <h2>Parameters</h2> 25302f4aeb0Sopenharmony_ci <div class="variablelist"> 25402f4aeb0Sopenharmony_ci <dl class="variablelist"> 25502f4aeb0Sopenharmony_ci <dt> 25602f4aeb0Sopenharmony_ci <span class="term"> 25702f4aeb0Sopenharmony_ci <em class="parameter"> 25802f4aeb0Sopenharmony_ci <code>display</code> 25902f4aeb0Sopenharmony_ci </em> 26002f4aeb0Sopenharmony_ci </span> 26102f4aeb0Sopenharmony_ci </dt> 26202f4aeb0Sopenharmony_ci <dd> 26302f4aeb0Sopenharmony_ci <p>Specifies the EGL display connection.</p> 26402f4aeb0Sopenharmony_ci </dd> 26502f4aeb0Sopenharmony_ci <dt> 26602f4aeb0Sopenharmony_ci <span class="term"> 26702f4aeb0Sopenharmony_ci <em class="parameter"> 26802f4aeb0Sopenharmony_ci <code>config</code> 26902f4aeb0Sopenharmony_ci </em> 27002f4aeb0Sopenharmony_ci </span> 27102f4aeb0Sopenharmony_ci </dt> 27202f4aeb0Sopenharmony_ci <dd> 27302f4aeb0Sopenharmony_ci <p> 27402f4aeb0Sopenharmony_ci Specifies the EGL frame buffer configuration that defines the 27502f4aeb0Sopenharmony_ci frame buffer resource available to the surface. 27602f4aeb0Sopenharmony_ci </p> 27702f4aeb0Sopenharmony_ci </dd> 27802f4aeb0Sopenharmony_ci <dt> 27902f4aeb0Sopenharmony_ci <span class="term"> 28002f4aeb0Sopenharmony_ci <em class="parameter"> 28102f4aeb0Sopenharmony_ci <code>attrib_list</code> 28202f4aeb0Sopenharmony_ci </em> 28302f4aeb0Sopenharmony_ci </span> 28402f4aeb0Sopenharmony_ci </dt> 28502f4aeb0Sopenharmony_ci <dd> 28602f4aeb0Sopenharmony_ci <p> 28702f4aeb0Sopenharmony_ci Specifies pixel buffer surface attributes. 28802f4aeb0Sopenharmony_ci May be <code class="constant">NULL</code> or empty 28902f4aeb0Sopenharmony_ci (first attribute is <code class="constant">EGL_NONE</code>). 29002f4aeb0Sopenharmony_ci </p> 29102f4aeb0Sopenharmony_ci </dd> 29202f4aeb0Sopenharmony_ci </dl> 29302f4aeb0Sopenharmony_ci </div> 29402f4aeb0Sopenharmony_ci </div> 29502f4aeb0Sopenharmony_ci <div class="refsect1"> 29602f4aeb0Sopenharmony_ci <a id="description"></a> 29702f4aeb0Sopenharmony_ci <h2>Description</h2> 29802f4aeb0Sopenharmony_ci <p> 29902f4aeb0Sopenharmony_ci <code class="function">eglCreatePbufferSurface</code> creates an 30002f4aeb0Sopenharmony_ci off-screen pixel buffer surface and returns its handle. If 30102f4aeb0Sopenharmony_ci <code class="function">eglCreatePbufferSurface</code> fails to create 30202f4aeb0Sopenharmony_ci a pixel buffer surface, <code class="constant">EGL_NO_SURFACE</code> 30302f4aeb0Sopenharmony_ci is returned. 30402f4aeb0Sopenharmony_ci </p> 30502f4aeb0Sopenharmony_ci <p> 30602f4aeb0Sopenharmony_ci Surface attributes are specified as a list of 30702f4aeb0Sopenharmony_ci attribute-value pairs, terminated with 30802f4aeb0Sopenharmony_ci <code class="constant">EGL_NONE</code>. Accepted attributes 30902f4aeb0Sopenharmony_ci are: 31002f4aeb0Sopenharmony_ci </p> 31102f4aeb0Sopenharmony_ci <div class="variablelist"> 31202f4aeb0Sopenharmony_ci <dl class="variablelist"> 31302f4aeb0Sopenharmony_ci <dt> 31402f4aeb0Sopenharmony_ci <span class="term"> 31502f4aeb0Sopenharmony_ci <code class="constant">EGL_HEIGHT</code> 31602f4aeb0Sopenharmony_ci </span> 31702f4aeb0Sopenharmony_ci </dt> 31802f4aeb0Sopenharmony_ci <dd> 31902f4aeb0Sopenharmony_ci <p> 32002f4aeb0Sopenharmony_ci Specifies the required height of the pixel buffer 32102f4aeb0Sopenharmony_ci surface. The default value is 32202f4aeb0Sopenharmony_ci <code class="constant">0</code>. 32302f4aeb0Sopenharmony_ci </p> 32402f4aeb0Sopenharmony_ci </dd> 32502f4aeb0Sopenharmony_ci <dt> 32602f4aeb0Sopenharmony_ci <span class="term"> 32702f4aeb0Sopenharmony_ci <code class="constant">EGL_LARGEST_PBUFFER</code> 32802f4aeb0Sopenharmony_ci </span> 32902f4aeb0Sopenharmony_ci </dt> 33002f4aeb0Sopenharmony_ci <dd> 33102f4aeb0Sopenharmony_ci <p> 33202f4aeb0Sopenharmony_ci Requests the largest available pixel buffer surface 33302f4aeb0Sopenharmony_ci when the allocation would otherwise fail. Use 33402f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQuerySurface.html"><span class="citerefentry"><span class="refentrytitle">eglQuerySurface</span></span></a> 33502f4aeb0Sopenharmony_ci to retrieve the dimensions of the allocated pixel 33602f4aeb0Sopenharmony_ci buffer. The default value is 33702f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code>. 33802f4aeb0Sopenharmony_ci </p> 33902f4aeb0Sopenharmony_ci </dd> 34002f4aeb0Sopenharmony_ci <dt> 34102f4aeb0Sopenharmony_ci <span class="term"> 34202f4aeb0Sopenharmony_ci <code class="constant">EGL_MIPMAP_TEXTURE</code> 34302f4aeb0Sopenharmony_ci </span> 34402f4aeb0Sopenharmony_ci </dt> 34502f4aeb0Sopenharmony_ci <dd> 34602f4aeb0Sopenharmony_ci <p> 34702f4aeb0Sopenharmony_ci Specifies whether storage for mipmaps should be 34802f4aeb0Sopenharmony_ci allocated. Space for mipmaps will be set aside if 34902f4aeb0Sopenharmony_ci the attribute value is <code class="constant">EGL_TRUE</code> 35002f4aeb0Sopenharmony_ci and <code class="constant">EGL_TEXTURE_FORMAT</code> is not 35102f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>. The default 35202f4aeb0Sopenharmony_ci value is <code class="constant">EGL_FALSE</code>. 35302f4aeb0Sopenharmony_ci </p> 35402f4aeb0Sopenharmony_ci </dd> 35502f4aeb0Sopenharmony_ci <dt> 35602f4aeb0Sopenharmony_ci <span class="term"> 35702f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_FORMAT</code> 35802f4aeb0Sopenharmony_ci </span> 35902f4aeb0Sopenharmony_ci </dt> 36002f4aeb0Sopenharmony_ci <dd> 36102f4aeb0Sopenharmony_ci <p> 36202f4aeb0Sopenharmony_ci Specifies the format of the texture that will be 36302f4aeb0Sopenharmony_ci created when a pbuffer is bound to a texture map. 36402f4aeb0Sopenharmony_ci Possible values are 36502f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>, 36602f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_RGB</code>, and 36702f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_RGBA</code>. The default 36802f4aeb0Sopenharmony_ci value is <code class="constant">EGL_NO_TEXTURE</code>. 36902f4aeb0Sopenharmony_ci </p> 37002f4aeb0Sopenharmony_ci </dd> 37102f4aeb0Sopenharmony_ci <dt> 37202f4aeb0Sopenharmony_ci <span class="term"> 37302f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_TARGET</code> 37402f4aeb0Sopenharmony_ci </span> 37502f4aeb0Sopenharmony_ci </dt> 37602f4aeb0Sopenharmony_ci <dd> 37702f4aeb0Sopenharmony_ci <p> 37802f4aeb0Sopenharmony_ci Specifies the target for the texture that will be 37902f4aeb0Sopenharmony_ci created when the pbuffer is created with a texture 38002f4aeb0Sopenharmony_ci format of <code class="constant">EGL_TEXTURE_RGB</code> or 38102f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_RGBA</code>. Possible 38202f4aeb0Sopenharmony_ci values are <code class="constant">EGL_NO_TEXTURE</code>, or 38302f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_2D</code>. The default 38402f4aeb0Sopenharmony_ci value is <code class="constant">EGL_NO_TEXTURE</code>. 38502f4aeb0Sopenharmony_ci </p> 38602f4aeb0Sopenharmony_ci </dd> 38702f4aeb0Sopenharmony_ci <dt> 38802f4aeb0Sopenharmony_ci <span class="term"> 38902f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code> 39002f4aeb0Sopenharmony_ci </span> 39102f4aeb0Sopenharmony_ci </dt> 39202f4aeb0Sopenharmony_ci <dd> 39302f4aeb0Sopenharmony_ci <p> 39402f4aeb0Sopenharmony_ci Specifies how alpha values are interpreted by OpenVG 39502f4aeb0Sopenharmony_ci when rendering to the surface. If its value is 39602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_NONPRE</code>, 39702f4aeb0Sopenharmony_ci then alpha values are not premultipled. If its value 39802f4aeb0Sopenharmony_ci is <code class="constant">EGL_VG_ALPHA_FORMAT_PRE</code>, 39902f4aeb0Sopenharmony_ci then alpha values are premultiplied. The default 40002f4aeb0Sopenharmony_ci value of <code class="constant">EGL_VG_ALPHA_FORMAT</code> is 40102f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_NONPRE</code>. 40202f4aeb0Sopenharmony_ci </p> 40302f4aeb0Sopenharmony_ci </dd> 40402f4aeb0Sopenharmony_ci <dt> 40502f4aeb0Sopenharmony_ci <span class="term"> 40602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code> 40702f4aeb0Sopenharmony_ci </span> 40802f4aeb0Sopenharmony_ci </dt> 40902f4aeb0Sopenharmony_ci <dd> 41002f4aeb0Sopenharmony_ci <p> 41102f4aeb0Sopenharmony_ci Specifies the color space used by OpenVG when 41202f4aeb0Sopenharmony_ci rendering to the surface. If its value is 41302f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_sRGB</code>, then a 41402f4aeb0Sopenharmony_ci non-linear, perceptually uniform color space is 41502f4aeb0Sopenharmony_ci assumed, with a corresponding 41602f4aeb0Sopenharmony_ci <span class="type">VGImageFormat</span> of form 41702f4aeb0Sopenharmony_ci <code class="constant">VG_s*</code>. If its value is 41802f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR</code>, then 41902f4aeb0Sopenharmony_ci a linear color space is assumed, with a 42002f4aeb0Sopenharmony_ci corresponding <span class="type">VGImageFormat</span> of form 42102f4aeb0Sopenharmony_ci <code class="constant">VG_l*</code>. The default value of 42202f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code> is 42302f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_sRGB</code>. 42402f4aeb0Sopenharmony_ci </p> 42502f4aeb0Sopenharmony_ci </dd> 42602f4aeb0Sopenharmony_ci <dt> 42702f4aeb0Sopenharmony_ci <span class="term"> 42802f4aeb0Sopenharmony_ci <code class="constant">EGL_WIDTH</code> 42902f4aeb0Sopenharmony_ci </span> 43002f4aeb0Sopenharmony_ci </dt> 43102f4aeb0Sopenharmony_ci <dd> 43202f4aeb0Sopenharmony_ci <p> 43302f4aeb0Sopenharmony_ci Specifies the required width of the pixel buffer 43402f4aeb0Sopenharmony_ci surface. The default value is 43502f4aeb0Sopenharmony_ci <code class="constant">0</code>. 43602f4aeb0Sopenharmony_ci </p> 43702f4aeb0Sopenharmony_ci </dd> 43802f4aeb0Sopenharmony_ci </dl> 43902f4aeb0Sopenharmony_ci </div> 44002f4aeb0Sopenharmony_ci <p> 44102f4aeb0Sopenharmony_ci Any EGL rendering context that was created with respect to 44202f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> can be used to render into the 44302f4aeb0Sopenharmony_ci surface. Use 44402f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglMakeCurrent.html"><span class="citerefentry"><span class="refentrytitle">eglMakeCurrent</span></span></a> 44502f4aeb0Sopenharmony_ci to attach an EGL rendering context to the surface. 44602f4aeb0Sopenharmony_ci </p> 44702f4aeb0Sopenharmony_ci <p> 44802f4aeb0Sopenharmony_ci Use 44902f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQuerySurface.html"><span class="citerefentry"><span class="refentrytitle">eglQuerySurface</span></span></a> 45002f4aeb0Sopenharmony_ci to retrieve the dimensions of the allocated pixel buffer 45102f4aeb0Sopenharmony_ci surface or the ID of <em class="parameter"><code>config</code></em>. 45202f4aeb0Sopenharmony_ci </p> 45302f4aeb0Sopenharmony_ci <p> 45402f4aeb0Sopenharmony_ci Use <a class="citerefentry" href="eglDestroySurface.html"><span class="citerefentry"><span class="refentrytitle">eglDestroySurface</span></span></a> 45502f4aeb0Sopenharmony_ci to destroy the surface. 45602f4aeb0Sopenharmony_ci </p> 45702f4aeb0Sopenharmony_ci </div> 45802f4aeb0Sopenharmony_ci <div class="refsect1"> 45902f4aeb0Sopenharmony_ci <a id="notes"></a> 46002f4aeb0Sopenharmony_ci <h2>Notes</h2> 46102f4aeb0Sopenharmony_ci <p> 46202f4aeb0Sopenharmony_ci Attributes 46302f4aeb0Sopenharmony_ci <code class="constant">EGL_RENDERABLE_TYPE</code>, 46402f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code>, and 46502f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code>, and the 46602f4aeb0Sopenharmony_ci corresponding attribute values, are supported only if the 46702f4aeb0Sopenharmony_ci EGL version is 1.2 or greater. 46802f4aeb0Sopenharmony_ci </p> 46902f4aeb0Sopenharmony_ci <p> 47002f4aeb0Sopenharmony_ci If the value of <em class="parameter"><code>config</code></em> attribute 47102f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_FORMAT</code> is not 47202f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>, then the pbuffer width 47302f4aeb0Sopenharmony_ci and height specify the size of the level zero texture image 47402f4aeb0Sopenharmony_ci </p> 47502f4aeb0Sopenharmony_ci <p> 47602f4aeb0Sopenharmony_ci If <code class="constant">EGL_LARGEST_PBUFFER</code> is specified and 47702f4aeb0Sopenharmony_ci if the pbuffer will be used as a texture (i.e. the value of 47802f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_TARGET</code> is 47902f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_2D</code>, and the value of 48002f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE FORMAT</code> is 48102f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_RGB</code> or 48202f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_RGBA</code>), then the aspect 48302f4aeb0Sopenharmony_ci ratio will be preserved and the new width and height will be 48402f4aeb0Sopenharmony_ci valid sizes for the texture target (e.g. if the underlying 48502f4aeb0Sopenharmony_ci OpenGL ES implementation does not support non-power-of-two 48602f4aeb0Sopenharmony_ci textures, both the width and height will be a power of 2). 48702f4aeb0Sopenharmony_ci </p> 48802f4aeb0Sopenharmony_ci <p> 48902f4aeb0Sopenharmony_ci The contents of the depth and stencil buffers may not be 49002f4aeb0Sopenharmony_ci preserved when rendering a texture to the pbuffer and 49102f4aeb0Sopenharmony_ci switching which image of the texture is rendered to (e.g., 49202f4aeb0Sopenharmony_ci switching from rendering one mipmap level to rendering 49302f4aeb0Sopenharmony_ci another). 49402f4aeb0Sopenharmony_ci </p> 49502f4aeb0Sopenharmony_ci </div> 49602f4aeb0Sopenharmony_ci <div class="refsect1"> 49702f4aeb0Sopenharmony_ci <a id="errors"></a> 49802f4aeb0Sopenharmony_ci <h2>Errors</h2> 49902f4aeb0Sopenharmony_ci <p> 50002f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_SURFACE</code> is returned if creation of 50102f4aeb0Sopenharmony_ci the context fails. 50202f4aeb0Sopenharmony_ci </p> 50302f4aeb0Sopenharmony_ci <p> 50402f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_DISPLAY</code> is generated if 50502f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> is not an EGL display connection. 50602f4aeb0Sopenharmony_ci </p> 50702f4aeb0Sopenharmony_ci <p> 50802f4aeb0Sopenharmony_ci <code class="constant">EGL_NOT_INITIALIZED</code> is generated if 50902f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> has not been initialized. 51002f4aeb0Sopenharmony_ci </p> 51102f4aeb0Sopenharmony_ci <p> 51202f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_CONFIG</code> is generated if 51302f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> is not an EGL frame buffer configuration. 51402f4aeb0Sopenharmony_ci </p> 51502f4aeb0Sopenharmony_ci <p> 51602f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ATTRIBUTE</code> is generated if 51702f4aeb0Sopenharmony_ci <em class="parameter"><code>attrib_list</code></em> contains an invalid pixel 51802f4aeb0Sopenharmony_ci buffer attribute or if an attribute value is not recognized 51902f4aeb0Sopenharmony_ci or out of range. 52002f4aeb0Sopenharmony_ci </p> 52102f4aeb0Sopenharmony_ci <p> 52202f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ATTRIBUTE</code> is generated if 52302f4aeb0Sopenharmony_ci <em class="parameter"><code>attrib_list</code></em> contains any of the 52402f4aeb0Sopenharmony_ci attributes <code class="constant">EGL_MIPMAP_TEXTURE</code>, 52502f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_FORMAT</code>, or 52602f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_TARGET</code>, and 52702f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not support OpenGL ES 52802f4aeb0Sopenharmony_ci rendering (e.g. the EGL version is 1.2 or later, and the 52902f4aeb0Sopenharmony_ci <code class="constant">EGL_RENDERABLE_TYPE</code> attribute of 53002f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not include at least one 53102f4aeb0Sopenharmony_ci of <code class="constant">EGL_OPENGL_ES_BIT</code> or 53202f4aeb0Sopenharmony_ci <code class="constant">EGL_OPENGL_ES2_BIT</code>). 53302f4aeb0Sopenharmony_ci </p> 53402f4aeb0Sopenharmony_ci <p> 53502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ALLOC</code> is generated if there are not 53602f4aeb0Sopenharmony_ci enough resources to allocate the new surface. 53702f4aeb0Sopenharmony_ci </p> 53802f4aeb0Sopenharmony_ci <p> 53902f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 54002f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not support rendering to pixel buffers 54102f4aeb0Sopenharmony_ci (the <code class="constant">EGL_SURFACE_TYPE</code> attribute does not contain 54202f4aeb0Sopenharmony_ci <code class="constant">EGL_PBUFFER_BIT</code>). 54302f4aeb0Sopenharmony_ci </p> 54402f4aeb0Sopenharmony_ci <p> 54502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if the 54602f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_FORMAT</code> attribute is not 54702f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>, and 54802f4aeb0Sopenharmony_ci <code class="constant">EGL_WIDTH</code> and/or 54902f4aeb0Sopenharmony_ci <code class="constant">EGL_HEIGHT</code> specify an invalid size 55002f4aeb0Sopenharmony_ci (e.g., the texture size is not a power of 2, and the 55102f4aeb0Sopenharmony_ci underlying OpenGL ES implementation does not support 55202f4aeb0Sopenharmony_ci non-power-of-two textures). 55302f4aeb0Sopenharmony_ci </p> 55402f4aeb0Sopenharmony_ci <p> 55502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 55602f4aeb0Sopenharmony_ci the <code class="constant">EGL_TEXTURE_FORMAT</code> attribute is 55702f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>, and 55802f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_TARGET</code> is something other 55902f4aeb0Sopenharmony_ci than <code class="constant">EGL_NO_TEXTURE</code>; or, 56002f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_FORMAT</code> is something other 56102f4aeb0Sopenharmony_ci than <code class="constant">EGL_NO_TEXTURE</code>, and 56202f4aeb0Sopenharmony_ci <code class="constant">EGL_TEXTURE_TARGET</code> is 56302f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_TEXTURE</code>. 56402f4aeb0Sopenharmony_ci </p> 56502f4aeb0Sopenharmony_ci <p> 56602f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 56702f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not support the specified 56802f4aeb0Sopenharmony_ci OpenVG alpha format attribute (the value of 56902f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code> is 57002f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_PRE</code> and the 57102f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_PRE_BIT</code> is not set 57202f4aeb0Sopenharmony_ci in the <code class="constant">EGL_SURFACE_TYPE</code> attribute of 57302f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em>) or colorspace attribute (the 57402f4aeb0Sopenharmony_ci value of <code class="constant">EGL_VG_COLORSPACE</code> is 57502f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR</code> and the 57602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR_IT</code> is not set 57702f4aeb0Sopenharmony_ci in the <code class="constant">EGL_SURFACE_TYPE</code> attribute of 57802f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em>). 57902f4aeb0Sopenharmony_ci </p> 58002f4aeb0Sopenharmony_ci </div> 58102f4aeb0Sopenharmony_ci <div class="refsect1"> 58202f4aeb0Sopenharmony_ci <a id="seealso"></a> 58302f4aeb0Sopenharmony_ci <h2>See Also</h2> 58402f4aeb0Sopenharmony_ci <p> 58502f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglDestroySurface.html"><span class="citerefentry"><span class="refentrytitle">eglDestroySurface</span></span></a>, 58602f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglChooseConfig.html"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a>, 58702f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglGetConfigs.html"><span class="citerefentry"><span class="refentrytitle">eglGetConfigs</span></span></a>, 58802f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglMakeCurrent.html"><span class="citerefentry"><span class="refentrytitle">eglMakeCurrent</span></span></a>, 58902f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQuerySurface.html"><span class="citerefentry"><span class="refentrytitle">eglQuerySurface</span></span></a> 59002f4aeb0Sopenharmony_ci </p> 59102f4aeb0Sopenharmony_ci </div> 59202f4aeb0Sopenharmony_ci <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p> 59302f4aeb0Sopenharmony_ciCopyright © 2003-2014 The Khronos Group Inc. 59402f4aeb0Sopenharmony_ciPermission is hereby granted, free of charge, to any person obtaining a 59502f4aeb0Sopenharmony_cicopy of this software and/or associated documentation files (the 59602f4aeb0Sopenharmony_ci"Materials"), to deal in the Materials without restriction, including 59702f4aeb0Sopenharmony_ciwithout limitation the rights to use, copy, modify, merge, publish, 59802f4aeb0Sopenharmony_cidistribute, sublicense, and/or sell copies of the Materials, and to 59902f4aeb0Sopenharmony_cipermit persons to whom the Materials are furnished to do so, subject to 60002f4aeb0Sopenharmony_cithe condition that this copyright notice and permission notice shall be included 60102f4aeb0Sopenharmony_ciin all copies or substantial portions of the Materials. 60202f4aeb0Sopenharmony_ci</div> 60302f4aeb0Sopenharmony_ci </div> 60402f4aeb0Sopenharmony_ci </body> 60502f4aeb0Sopenharmony_ci</html> 606
