102f4aeb0Sopenharmony_ci<?xml version="1.0" encoding="UTF-8" standalone="no"?> 202f4aeb0Sopenharmony_ci<!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"> 302f4aeb0Sopenharmony_ci <head> 402f4aeb0Sopenharmony_ci <title xmlns:xlink="http://www.w3.org/1999/xlink">eglCreatePlatformWindowSurface - EGL Reference Pages</title> 502f4aeb0Sopenharmony_ci <link rel="stylesheet" type="text/css" href="khronos-man.css"/> 602f4aeb0Sopenharmony_ci <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"/> 702f4aeb0Sopenharmony_ci </head> 802f4aeb0Sopenharmony_ci <body> 902f4aeb0Sopenharmony_ci <header/> 1002f4aeb0Sopenharmony_ci <div class="refentry" id="eglCreatePlatformWindowSurface"> 1102f4aeb0Sopenharmony_ci <div class="titlepage"/> 1202f4aeb0Sopenharmony_ci <div class="refnamediv"> 1302f4aeb0Sopenharmony_ci <h2>Name</h2> 1402f4aeb0Sopenharmony_ci <p>eglCreatePlatformWindowSurface — 1502f4aeb0Sopenharmony_ci create a new <abbr class="acronym">EGL</abbr> on-screen rendering surface 1602f4aeb0Sopenharmony_ci </p> 1702f4aeb0Sopenharmony_ci </div> 1802f4aeb0Sopenharmony_ci <div class="refsynopsisdiv"> 1902f4aeb0Sopenharmony_ci <h2>C Specification</h2> 2002f4aeb0Sopenharmony_ci <div class="funcsynopsis"> 2102f4aeb0Sopenharmony_ci <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table"> 2202f4aeb0Sopenharmony_ci <tr> 2302f4aeb0Sopenharmony_ci <td> 2402f4aeb0Sopenharmony_ci <code class="funcdef">EGLSurface <strong class="fsfunc">eglCreatePlatformWindowSurface</strong>(</code> 2502f4aeb0Sopenharmony_ci </td> 2602f4aeb0Sopenharmony_ci <td>EGLDisplay <var class="pdparam">display</var>, </td> 2702f4aeb0Sopenharmony_ci </tr> 2802f4aeb0Sopenharmony_ci <tr> 2902f4aeb0Sopenharmony_ci <td> </td> 3002f4aeb0Sopenharmony_ci <td>EGLConfig <var class="pdparam">config</var>, </td> 3102f4aeb0Sopenharmony_ci </tr> 3202f4aeb0Sopenharmony_ci <tr> 3302f4aeb0Sopenharmony_ci <td> </td> 3402f4aeb0Sopenharmony_ci <td>void * <var class="pdparam">native_window</var>, </td> 3502f4aeb0Sopenharmony_ci </tr> 3602f4aeb0Sopenharmony_ci <tr> 3702f4aeb0Sopenharmony_ci <td> </td> 3802f4aeb0Sopenharmony_ci <td>EGLAttrib const * <var class="pdparam">attrib_list</var><code>)</code>;</td> 3902f4aeb0Sopenharmony_ci </tr> 4002f4aeb0Sopenharmony_ci </table> 4102f4aeb0Sopenharmony_ci <div class="funcprototype-spacer"> </div> 4202f4aeb0Sopenharmony_ci </div> 4302f4aeb0Sopenharmony_ci </div> 4402f4aeb0Sopenharmony_ci <div class="refsect1" id="parameters"> 4502f4aeb0Sopenharmony_ci <h2>Parameters</h2> 4602f4aeb0Sopenharmony_ci <div class="variablelist"> 4702f4aeb0Sopenharmony_ci <dl class="variablelist"> 4802f4aeb0Sopenharmony_ci <dt> 4902f4aeb0Sopenharmony_ci <span class="term"> 5002f4aeb0Sopenharmony_ci <em class="parameter"> 5102f4aeb0Sopenharmony_ci <code>display</code> 5202f4aeb0Sopenharmony_ci </em> 5302f4aeb0Sopenharmony_ci </span> 5402f4aeb0Sopenharmony_ci </dt> 5502f4aeb0Sopenharmony_ci <dd> 5602f4aeb0Sopenharmony_ci <p>Specifies the EGL display connection.</p> 5702f4aeb0Sopenharmony_ci </dd> 5802f4aeb0Sopenharmony_ci <dt> 5902f4aeb0Sopenharmony_ci <span class="term"> 6002f4aeb0Sopenharmony_ci <em class="parameter"> 6102f4aeb0Sopenharmony_ci <code>config</code> 6202f4aeb0Sopenharmony_ci </em> 6302f4aeb0Sopenharmony_ci </span> 6402f4aeb0Sopenharmony_ci </dt> 6502f4aeb0Sopenharmony_ci <dd> 6602f4aeb0Sopenharmony_ci <p>Specifies the EGL frame buffer configuration that defines the 6702f4aeb0Sopenharmony_ci frame buffer resource available to the surface.</p> 6802f4aeb0Sopenharmony_ci </dd> 6902f4aeb0Sopenharmony_ci <dt> 7002f4aeb0Sopenharmony_ci <span class="term"> 7102f4aeb0Sopenharmony_ci <em class="parameter"> 7202f4aeb0Sopenharmony_ci <code>native_window</code> 7302f4aeb0Sopenharmony_ci </em> 7402f4aeb0Sopenharmony_ci </span> 7502f4aeb0Sopenharmony_ci </dt> 7602f4aeb0Sopenharmony_ci <dd> 7702f4aeb0Sopenharmony_ci <p>Specifies the native window.</p> 7802f4aeb0Sopenharmony_ci </dd> 7902f4aeb0Sopenharmony_ci <dt> 8002f4aeb0Sopenharmony_ci <span class="term"> 8102f4aeb0Sopenharmony_ci <em class="parameter"> 8202f4aeb0Sopenharmony_ci <code>attrib_list</code> 8302f4aeb0Sopenharmony_ci </em> 8402f4aeb0Sopenharmony_ci </span> 8502f4aeb0Sopenharmony_ci </dt> 8602f4aeb0Sopenharmony_ci <dd> 8702f4aeb0Sopenharmony_ci <p> 8802f4aeb0Sopenharmony_ci Specifies a list of attributes for the window surface. 8902f4aeb0Sopenharmony_ci May be <code class="constant">NULL</code> or empty 9002f4aeb0Sopenharmony_ci (first attribute is <code class="constant">EGL_NONE</code>). 9102f4aeb0Sopenharmony_ci </p> 9202f4aeb0Sopenharmony_ci </dd> 9302f4aeb0Sopenharmony_ci </dl> 9402f4aeb0Sopenharmony_ci </div> 9502f4aeb0Sopenharmony_ci </div> 9602f4aeb0Sopenharmony_ci <div class="refsect1" id="description"> 9702f4aeb0Sopenharmony_ci <h2>Description</h2> 9802f4aeb0Sopenharmony_ci <p> 9902f4aeb0Sopenharmony_ci <code class="function">eglCreatePlatformWindowSurface</code> creates an 10002f4aeb0Sopenharmony_ci on-screen EGL window surface and returns a handle to it. Any EGL 10102f4aeb0Sopenharmony_ci context created with a compatible <span class="type">EGLConfig</span> can be 10202f4aeb0Sopenharmony_ci used to render into this surface. 10302f4aeb0Sopenharmony_ci </p> 10402f4aeb0Sopenharmony_ci <p> 10502f4aeb0Sopenharmony_ci If <code class="function">eglCreatePlatformWindowSurface</code> fails to 10602f4aeb0Sopenharmony_ci create a window surface, <code class="constant">EGL_NO_SURFACE</code> is 10702f4aeb0Sopenharmony_ci returned. 10802f4aeb0Sopenharmony_ci </p> 10902f4aeb0Sopenharmony_ci <p> 11002f4aeb0Sopenharmony_ci <em class="parameter"><code>native_window</code></em> must belong to the same 11102f4aeb0Sopenharmony_ci platform as <em class="parameter"><code>display</code></em>, and EGL considers 11202f4aeb0Sopenharmony_ci the returned <span class="type">EGLSurface</span> as belonging to that same 11302f4aeb0Sopenharmony_ci platform. The EGL extension that defines the platform to which 11402f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> belongs also defines the 11502f4aeb0Sopenharmony_ci requirements for the <em class="parameter"><code>native_window</code></em> 11602f4aeb0Sopenharmony_ci parameter. 11702f4aeb0Sopenharmony_ci </p> 11802f4aeb0Sopenharmony_ci <p> 11902f4aeb0Sopenharmony_ci Surface attributes are specified as a list of 12002f4aeb0Sopenharmony_ci attribute-value pairs, terminated with 12102f4aeb0Sopenharmony_ci <code class="constant">EGL_NONE</code>. Accepted attributes 12202f4aeb0Sopenharmony_ci are: 12302f4aeb0Sopenharmony_ci </p> 12402f4aeb0Sopenharmony_ci <div class="variablelist"> 12502f4aeb0Sopenharmony_ci <dl class="variablelist"> 12602f4aeb0Sopenharmony_ci <dt> 12702f4aeb0Sopenharmony_ci <span class="term"> 12802f4aeb0Sopenharmony_ci <code class="constant">EGL_GL_COLORSPACE</code> 12902f4aeb0Sopenharmony_ci </span> 13002f4aeb0Sopenharmony_ci </dt> 13102f4aeb0Sopenharmony_ci <dd> 13202f4aeb0Sopenharmony_ci <p> 13302f4aeb0Sopenharmony_ci Specifies the color space used by OpenGL and OpenGL ES 13402f4aeb0Sopenharmony_ci when rendering to the surface. If its value is 13502f4aeb0Sopenharmony_ci <code class="constant">EGL_GL_COLORSPACE_SRGB</code>, then a 13602f4aeb0Sopenharmony_ci non-linear, perceptually uniform color space is assumed, 13702f4aeb0Sopenharmony_ci with a corresponding 13802f4aeb0Sopenharmony_ci <code class="constant">GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING</code> 13902f4aeb0Sopenharmony_ci value of <code class="constant">GL_SRGB</code>. If its value is 14002f4aeb0Sopenharmony_ci <code class="constant">EGL_GL_COLORSPACE_LINEAR</code>, then a 14102f4aeb0Sopenharmony_ci linear color space is assumed, with a corresponding 14202f4aeb0Sopenharmony_ci <code class="constant">GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING</code> 14302f4aeb0Sopenharmony_ci value of <code class="constant">GL_LINEAR</code>. The default 14402f4aeb0Sopenharmony_ci value of <code class="constant">EGL_GL_COLORSPACE</code> is 14502f4aeb0Sopenharmony_ci <code class="constant">EGL_GL_COLORSPACE_LINEAR</code>. 14602f4aeb0Sopenharmony_ci </p> 14702f4aeb0Sopenharmony_ci <p> 14802f4aeb0Sopenharmony_ci Note that the <code class="constant">EGL_GL_COLORSPACE</code> 14902f4aeb0Sopenharmony_ci attribute is used only by OpenGL and OpenGL ES contexts 15002f4aeb0Sopenharmony_ci supporting sRGB framebuffers. EGL itself does not 15102f4aeb0Sopenharmony_ci distinguish multiple colorspace models. Refer to the 15202f4aeb0Sopenharmony_ci ``sRGB Conversion'' sections of the OpenGL 4.6 and 15302f4aeb0Sopenharmony_ci OpenGL ES 3.2 Specifications for more information. 15402f4aeb0Sopenharmony_ci </p> 15502f4aeb0Sopenharmony_ci </dd> 15602f4aeb0Sopenharmony_ci <dt> 15702f4aeb0Sopenharmony_ci <span class="term"> 15802f4aeb0Sopenharmony_ci <code class="constant">EGL_RENDER_BUFFER</code> 15902f4aeb0Sopenharmony_ci </span> 16002f4aeb0Sopenharmony_ci </dt> 16102f4aeb0Sopenharmony_ci <dd> 16202f4aeb0Sopenharmony_ci <p> 16302f4aeb0Sopenharmony_ci Specifies which buffer should be used for client API 16402f4aeb0Sopenharmony_ci rendering to the window. If its value is 16502f4aeb0Sopenharmony_ci <code class="constant">EGL_SINGLE_BUFFER</code>, then client 16602f4aeb0Sopenharmony_ci APIs should render directly into the visible window. 16702f4aeb0Sopenharmony_ci If its value is 16802f4aeb0Sopenharmony_ci <code class="constant">EGL_BACK_BUFFER</code>, then client 16902f4aeb0Sopenharmony_ci APIs should render into the back buffer. The default 17002f4aeb0Sopenharmony_ci value of <code class="constant">EGL_RENDER_BUFFER</code> is 17102f4aeb0Sopenharmony_ci <code class="constant">EGL_BACK_BUFFER</code>. 17202f4aeb0Sopenharmony_ci </p> 17302f4aeb0Sopenharmony_ci <p> 17402f4aeb0Sopenharmony_ci Client APIs may not be able to respect the requested 17502f4aeb0Sopenharmony_ci rendering buffer. To determine the actual buffer 17602f4aeb0Sopenharmony_ci being rendered to by a context, call 17702f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQueryContext.xhtml"><span class="citerefentry"><span class="refentrytitle">eglQueryContext</span></span></a>. 17802f4aeb0Sopenharmony_ci </p> 17902f4aeb0Sopenharmony_ci </dd> 18002f4aeb0Sopenharmony_ci <dt> 18102f4aeb0Sopenharmony_ci <span class="term"> 18202f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code> 18302f4aeb0Sopenharmony_ci </span> 18402f4aeb0Sopenharmony_ci </dt> 18502f4aeb0Sopenharmony_ci <dd> 18602f4aeb0Sopenharmony_ci <p> 18702f4aeb0Sopenharmony_ci Specifies how alpha values are interpreted by OpenVG 18802f4aeb0Sopenharmony_ci when rendering to the surface. If its value is 18902f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_NONPRE</code>, 19002f4aeb0Sopenharmony_ci then alpha values are not premultipled. If its value 19102f4aeb0Sopenharmony_ci is <code class="constant">EGL_VG_ALPHA_FORMAT_PRE</code>, 19202f4aeb0Sopenharmony_ci then alpha values are premultiplied. The default 19302f4aeb0Sopenharmony_ci value of <code class="constant">EGL_VG_ALPHA_FORMAT</code> is 19402f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_NONPRE</code>. 19502f4aeb0Sopenharmony_ci </p> 19602f4aeb0Sopenharmony_ci </dd> 19702f4aeb0Sopenharmony_ci <dt> 19802f4aeb0Sopenharmony_ci <span class="term"> 19902f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code> 20002f4aeb0Sopenharmony_ci </span> 20102f4aeb0Sopenharmony_ci </dt> 20202f4aeb0Sopenharmony_ci <dd> 20302f4aeb0Sopenharmony_ci <p> 20402f4aeb0Sopenharmony_ci Specifies the color space used by OpenVG when 20502f4aeb0Sopenharmony_ci rendering to the surface. If its value is 20602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_sRGB</code>, then a 20702f4aeb0Sopenharmony_ci non-linear, perceptually uniform color space is 20802f4aeb0Sopenharmony_ci assumed, with a corresponding 20902f4aeb0Sopenharmony_ci <span class="type">VGImageFormat</span> of form 21002f4aeb0Sopenharmony_ci <code class="constant">VG_s*</code>. If its value is 21102f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR</code>, then 21202f4aeb0Sopenharmony_ci a linear color space is assumed, with a 21302f4aeb0Sopenharmony_ci corresponding <span class="type">VGImageFormat</span> of form 21402f4aeb0Sopenharmony_ci <code class="constant">VG_l*</code>. The default value of 21502f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code> is 21602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_sRGB</code>. 21702f4aeb0Sopenharmony_ci </p> 21802f4aeb0Sopenharmony_ci </dd> 21902f4aeb0Sopenharmony_ci </dl> 22002f4aeb0Sopenharmony_ci </div> 22102f4aeb0Sopenharmony_ci <p> 22202f4aeb0Sopenharmony_ci Any EGL rendering context that was created with respect to 22302f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> can be used to render into the 22402f4aeb0Sopenharmony_ci surface. Use 22502f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglMakeCurrent.xhtml"><span class="citerefentry"><span class="refentrytitle">eglMakeCurrent</span></span></a> 22602f4aeb0Sopenharmony_ci to attach an EGL rendering context to the surface. 22702f4aeb0Sopenharmony_ci </p> 22802f4aeb0Sopenharmony_ci <p> 22902f4aeb0Sopenharmony_ci Use 23002f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQuerySurface.xhtml"><span class="citerefentry"><span class="refentrytitle">eglQuerySurface</span></span></a> 23102f4aeb0Sopenharmony_ci to retrieve the ID of <em class="parameter"><code>config</code></em>. 23202f4aeb0Sopenharmony_ci </p> 23302f4aeb0Sopenharmony_ci <p> 23402f4aeb0Sopenharmony_ci Use 23502f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglDestroySurface.xhtml"><span class="citerefentry"><span class="refentrytitle">eglDestroySurface</span></span></a> 23602f4aeb0Sopenharmony_ci to destroy the surface. 23702f4aeb0Sopenharmony_ci </p> 23802f4aeb0Sopenharmony_ci </div> 23902f4aeb0Sopenharmony_ci <div class="refsect1" id="notes"> 24002f4aeb0Sopenharmony_ci <h2>Notes</h2> 24102f4aeb0Sopenharmony_ci <p> 24202f4aeb0Sopenharmony_ci Attribute <code class="constant">EGL_GL_COLORSPACE</code> is supported 24302f4aeb0Sopenharmony_ci only if the EGL version is 1.5 or greater. 24402f4aeb0Sopenharmony_ci </p> 24502f4aeb0Sopenharmony_ci <p> 24602f4aeb0Sopenharmony_ci Attributes <code class="constant">EGL_RENDER_BUFFER</code>, 24702f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code>, and 24802f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code>, and the 24902f4aeb0Sopenharmony_ci corresponding attribute values, are supported only if the 25002f4aeb0Sopenharmony_ci EGL version is 1.2 or greater. 25102f4aeb0Sopenharmony_ci </p> 25202f4aeb0Sopenharmony_ci <p> 25302f4aeb0Sopenharmony_ci The <code class="constant">EGL_VG_ALPHA_FORMAT</code> and 25402f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE</code> attributes are used only 25502f4aeb0Sopenharmony_ci by OpenVG and EGL itself. Refer to section 11.2 of the OpenVG 25602f4aeb0Sopenharmony_ci 1.0 specification for more information. The platform's use and 25702f4aeb0Sopenharmony_ci interpretation of alpha values is outside the scope of EGL. 25802f4aeb0Sopenharmony_ci However, the preferred behavior is for platforms to ignore the 25902f4aeb0Sopenharmony_ci value of <code class="constant">EGL_VG_ALPHA_FORMAT</code> when 26002f4aeb0Sopenharmony_ci compositing window surfaces. 26102f4aeb0Sopenharmony_ci </p> 26202f4aeb0Sopenharmony_ci </div> 26302f4aeb0Sopenharmony_ci <div class="refsect1" id="errors"> 26402f4aeb0Sopenharmony_ci <h2>Errors</h2> 26502f4aeb0Sopenharmony_ci <p> 26602f4aeb0Sopenharmony_ci If <em class="parameter"><code>display</code></em> and 26702f4aeb0Sopenharmony_ci <em class="parameter"><code>native_window</code></em> do not belong to the same 26802f4aeb0Sopenharmony_ci platform, then undefined behavior occurs. 26902f4aeb0Sopenharmony_ci </p> 27002f4aeb0Sopenharmony_ci <p> 27102f4aeb0Sopenharmony_ci <code class="constant">EGL_NO_SURFACE</code> is returned if creation of 27202f4aeb0Sopenharmony_ci the surface fails. 27302f4aeb0Sopenharmony_ci </p> 27402f4aeb0Sopenharmony_ci <p> 27502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_DISPLAY</code> is generated if 27602f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> is not an EGL display connection. 27702f4aeb0Sopenharmony_ci </p> 27802f4aeb0Sopenharmony_ci <p> 27902f4aeb0Sopenharmony_ci <code class="constant">EGL_NOT_INITIALIZED</code> is generated if 28002f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> has not been initialized. 28102f4aeb0Sopenharmony_ci </p> 28202f4aeb0Sopenharmony_ci <p> 28302f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_CONFIG</code> is generated if 28402f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> is not a valid EGL frame buffer 28502f4aeb0Sopenharmony_ci configuration. 28602f4aeb0Sopenharmony_ci </p> 28702f4aeb0Sopenharmony_ci <p> 28802f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_NATIVE_WINDOW</code> may be generated if 28902f4aeb0Sopenharmony_ci <em class="parameter"><code>native_window</code></em> is not a valid native 29002f4aeb0Sopenharmony_ci window for the same platform as <em class="parameter"><code>display</code></em>. 29102f4aeb0Sopenharmony_ci </p> 29202f4aeb0Sopenharmony_ci <p> 29302f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ATTRIBUTE</code> is generated if 29402f4aeb0Sopenharmony_ci <em class="parameter"><code>attrib_list</code></em> contains an invalid window attribute 29502f4aeb0Sopenharmony_ci or if an attribute value is not recognized or is out of range. 29602f4aeb0Sopenharmony_ci </p> 29702f4aeb0Sopenharmony_ci <p> 29802f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ALLOC</code> is generated if there is 29902f4aeb0Sopenharmony_ci already an <span class="type">EGLSurface</span> associated with 30002f4aeb0Sopenharmony_ci <em class="parameter"><code>native_window</code></em> (as a result of a previous 30102f4aeb0Sopenharmony_ci <code class="function">eglCreatePlatformWindowSurface</code> call). 30202f4aeb0Sopenharmony_ci </p> 30302f4aeb0Sopenharmony_ci <p> 30402f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ALLOC</code> is generated if the 30502f4aeb0Sopenharmony_ci implementation cannot allocate resources for the new EGL window. 30602f4aeb0Sopenharmony_ci </p> 30702f4aeb0Sopenharmony_ci <p> 30802f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if the pixel 30902f4aeb0Sopenharmony_ci format of <em class="parameter"><code>native_window</code></em> does not 31002f4aeb0Sopenharmony_ci correspond to the format, type, and size of the color buffers 31102f4aeb0Sopenharmony_ci required by <em class="parameter"><code>config</code></em>. 31202f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if the pixel 31302f4aeb0Sopenharmony_ci </p> 31402f4aeb0Sopenharmony_ci <p> 31502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 31602f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not support rendering to 31702f4aeb0Sopenharmony_ci windows (the <code class="constant">EGL_SURFACE_TYPE</code> attribute 31802f4aeb0Sopenharmony_ci does not contain <code class="constant">EGL_WINDOW_BIT</code>). 31902f4aeb0Sopenharmony_ci </p> 32002f4aeb0Sopenharmony_ci <p> 32102f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_MATCH</code> is generated if 32202f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> does not support the specified 32302f4aeb0Sopenharmony_ci OpenVG alpha format attribute (the value of 32402f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT</code> is 32502f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_PRE</code> and the 32602f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_ALPHA_FORMAT_PRE_BIT</code> is not set 32702f4aeb0Sopenharmony_ci in the <code class="constant">EGL_SURFACE_TYPE</code> attribute of 32802f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em>) or colorspace attribute (the 32902f4aeb0Sopenharmony_ci value of <code class="constant">EGL_VG_COLORSPACE</code> is 33002f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR</code> and the 33102f4aeb0Sopenharmony_ci <code class="constant">EGL_VG_COLORSPACE_LINEAR_IT</code> is not set 33202f4aeb0Sopenharmony_ci in the <code class="constant">EGL_SURFACE_TYPE</code> attribute of 33302f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em>). 33402f4aeb0Sopenharmony_ci </p> 33502f4aeb0Sopenharmony_ci </div> 33602f4aeb0Sopenharmony_ci <div class="refsect1" id="seealso"> 33702f4aeb0Sopenharmony_ci <h2>See Also</h2> 33802f4aeb0Sopenharmony_ci <p> 33902f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglCreateWindowSurface.xhtml"><span class="citerefentry"><span class="refentrytitle">eglCreateWindowSurface</span></span></a>, 34002f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglDestroySurface.xhtml"><span class="citerefentry"><span class="refentrytitle">eglDestroySurface</span></span></a>, 34102f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglChooseConfig.xhtml"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a>, 34202f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglGetConfigs.xhtml"><span class="citerefentry"><span class="refentrytitle">eglGetConfigs</span></span></a>, 34302f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglMakeCurrent.xhtml"><span class="citerefentry"><span class="refentrytitle">eglMakeCurrent</span></span></a>, 34402f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglQuerySurface.xhtml"><span class="citerefentry"><span class="refentrytitle">eglQuerySurface</span></span></a> 34502f4aeb0Sopenharmony_ci </p> 34602f4aeb0Sopenharmony_ci </div> 34702f4aeb0Sopenharmony_ci <p> 34802f4aeb0Sopenharmony_ci </p> 34902f4aeb0Sopenharmony_ci <div class="refsect3" id="copyright"> 35002f4aeb0Sopenharmony_ci <img src="KhronosLogo.jpg"/> 35102f4aeb0Sopenharmony_ci <p> 35202f4aeb0Sopenharmony_ci Copyright © 2003-2014 The Khronos Group Inc. 35302f4aeb0Sopenharmony_ci Permission is hereby granted, free of charge, to any person obtaining a 35402f4aeb0Sopenharmony_ci copy of this software and/or associated documentation files (the 35502f4aeb0Sopenharmony_ci "Materials"), to deal in the Materials without restriction, including 35602f4aeb0Sopenharmony_ci without limitation the rights to use, copy, modify, merge, publish, 35702f4aeb0Sopenharmony_ci distribute, sublicense, and/or sell copies of the Materials, and to 35802f4aeb0Sopenharmony_ci permit persons to whom the Materials are furnished to do so, subject to 35902f4aeb0Sopenharmony_ci the condition that this copyright notice and permission notice shall be included 36002f4aeb0Sopenharmony_ci in all copies or substantial portions of the Materials. 36102f4aeb0Sopenharmony_ci </p> 36202f4aeb0Sopenharmony_ci </div> 36302f4aeb0Sopenharmony_ci <p> 36402f4aeb0Sopenharmony_ci</p> 36502f4aeb0Sopenharmony_ci </div> 36602f4aeb0Sopenharmony_ci <footer/> 36702f4aeb0Sopenharmony_ci </body> 36802f4aeb0Sopenharmony_ci</html> 369
