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">eglGetConfigAttrib - 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="eglGetConfigAttrib"> 1102f4aeb0Sopenharmony_ci <div class="titlepage"/> 1202f4aeb0Sopenharmony_ci <div class="refnamediv"> 1302f4aeb0Sopenharmony_ci <h2>Name</h2> 1402f4aeb0Sopenharmony_ci <p>eglGetConfigAttrib — 1502f4aeb0Sopenharmony_ci return information about an <abbr class="acronym">EGL</abbr> frame buffer 1602f4aeb0Sopenharmony_ci configuration 1702f4aeb0Sopenharmony_ci </p> 1802f4aeb0Sopenharmony_ci </div> 1902f4aeb0Sopenharmony_ci <div class="refsynopsisdiv"> 2002f4aeb0Sopenharmony_ci <h2>C Specification</h2> 2102f4aeb0Sopenharmony_ci <div class="funcsynopsis"> 2202f4aeb0Sopenharmony_ci <table style="border: 0; cellspacing: 0; cellpadding: 0;" class="funcprototype-table"> 2302f4aeb0Sopenharmony_ci <tr> 2402f4aeb0Sopenharmony_ci <td> 2502f4aeb0Sopenharmony_ci <code class="funcdef">EGLBoolean <strong class="fsfunc">eglGetConfigAttrib</strong>(</code> 2602f4aeb0Sopenharmony_ci </td> 2702f4aeb0Sopenharmony_ci <td>EGLDisplay <var class="pdparam">display</var>, </td> 2802f4aeb0Sopenharmony_ci </tr> 2902f4aeb0Sopenharmony_ci <tr> 3002f4aeb0Sopenharmony_ci <td> </td> 3102f4aeb0Sopenharmony_ci <td>EGLConfig <var class="pdparam">config</var>, </td> 3202f4aeb0Sopenharmony_ci </tr> 3302f4aeb0Sopenharmony_ci <tr> 3402f4aeb0Sopenharmony_ci <td> </td> 3502f4aeb0Sopenharmony_ci <td>EGLint <var class="pdparam">attribute</var>, </td> 3602f4aeb0Sopenharmony_ci </tr> 3702f4aeb0Sopenharmony_ci <tr> 3802f4aeb0Sopenharmony_ci <td> </td> 3902f4aeb0Sopenharmony_ci <td>EGLint * <var class="pdparam">value</var><code>)</code>;</td> 4002f4aeb0Sopenharmony_ci </tr> 4102f4aeb0Sopenharmony_ci </table> 4202f4aeb0Sopenharmony_ci <div class="funcprototype-spacer"> </div> 4302f4aeb0Sopenharmony_ci </div> 4402f4aeb0Sopenharmony_ci </div> 4502f4aeb0Sopenharmony_ci <div class="refsect1" id="parameters"> 4602f4aeb0Sopenharmony_ci <h2>Parameters</h2> 4702f4aeb0Sopenharmony_ci <div class="variablelist"> 4802f4aeb0Sopenharmony_ci <dl class="variablelist"> 4902f4aeb0Sopenharmony_ci <dt> 5002f4aeb0Sopenharmony_ci <span class="term"> 5102f4aeb0Sopenharmony_ci <em class="parameter"> 5202f4aeb0Sopenharmony_ci <code>display</code> 5302f4aeb0Sopenharmony_ci </em> 5402f4aeb0Sopenharmony_ci </span> 5502f4aeb0Sopenharmony_ci </dt> 5602f4aeb0Sopenharmony_ci <dd> 5702f4aeb0Sopenharmony_ci <p>Specifies the EGL display connection.</p> 5802f4aeb0Sopenharmony_ci </dd> 5902f4aeb0Sopenharmony_ci <dt> 6002f4aeb0Sopenharmony_ci <span class="term"> 6102f4aeb0Sopenharmony_ci <em class="parameter"> 6202f4aeb0Sopenharmony_ci <code>config</code> 6302f4aeb0Sopenharmony_ci </em> 6402f4aeb0Sopenharmony_ci </span> 6502f4aeb0Sopenharmony_ci </dt> 6602f4aeb0Sopenharmony_ci <dd> 6702f4aeb0Sopenharmony_ci <p>Specifies the EGL frame buffer configuration to be 6802f4aeb0Sopenharmony_ci queried. 6902f4aeb0Sopenharmony_ci </p> 7002f4aeb0Sopenharmony_ci </dd> 7102f4aeb0Sopenharmony_ci <dt> 7202f4aeb0Sopenharmony_ci <span class="term"> 7302f4aeb0Sopenharmony_ci <em class="parameter"> 7402f4aeb0Sopenharmony_ci <code>attribute</code> 7502f4aeb0Sopenharmony_ci </em> 7602f4aeb0Sopenharmony_ci </span> 7702f4aeb0Sopenharmony_ci </dt> 7802f4aeb0Sopenharmony_ci <dd> 7902f4aeb0Sopenharmony_ci <p>Specifies the EGL rendering context attribute to be 8002f4aeb0Sopenharmony_ci returned.</p> 8102f4aeb0Sopenharmony_ci </dd> 8202f4aeb0Sopenharmony_ci <dt> 8302f4aeb0Sopenharmony_ci <span class="term"> 8402f4aeb0Sopenharmony_ci <em class="parameter"> 8502f4aeb0Sopenharmony_ci <code>value</code> 8602f4aeb0Sopenharmony_ci </em> 8702f4aeb0Sopenharmony_ci </span> 8802f4aeb0Sopenharmony_ci </dt> 8902f4aeb0Sopenharmony_ci <dd> 9002f4aeb0Sopenharmony_ci <p>Returns the requested value.</p> 9102f4aeb0Sopenharmony_ci </dd> 9202f4aeb0Sopenharmony_ci </dl> 9302f4aeb0Sopenharmony_ci </div> 9402f4aeb0Sopenharmony_ci </div> 9502f4aeb0Sopenharmony_ci <div class="refsect1" id="description"> 9602f4aeb0Sopenharmony_ci <h2>Description</h2> 9702f4aeb0Sopenharmony_ci <p> 9802f4aeb0Sopenharmony_ci <code class="function">eglGetConfigAttrib</code> returns in 9902f4aeb0Sopenharmony_ci <em class="parameter"><code>value</code></em> the value of 10002f4aeb0Sopenharmony_ci <em class="parameter"><code>attribute</code></em> for 10102f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> 10202f4aeb0Sopenharmony_ci (config attributes are described in more detail in the 10302f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglChooseConfig.xhtml"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a> 10402f4aeb0Sopenharmony_ci reference page). 10502f4aeb0Sopenharmony_ci <em class="parameter"><code>attribute</code></em> can be one of the following: 10602f4aeb0Sopenharmony_ci </p> 10702f4aeb0Sopenharmony_ci <div class="variablelist"> 10802f4aeb0Sopenharmony_ci <dl class="variablelist"> 10902f4aeb0Sopenharmony_ci <dt> 11002f4aeb0Sopenharmony_ci <span class="term"> 11102f4aeb0Sopenharmony_ci <code class="constant">EGL_ALPHA_SIZE</code> 11202f4aeb0Sopenharmony_ci </span> 11302f4aeb0Sopenharmony_ci </dt> 11402f4aeb0Sopenharmony_ci <dd> 11502f4aeb0Sopenharmony_ci <p>Returns the number of bits of alpha stored in the 11602f4aeb0Sopenharmony_ci color buffer. 11702f4aeb0Sopenharmony_ci </p> 11802f4aeb0Sopenharmony_ci </dd> 11902f4aeb0Sopenharmony_ci <dt> 12002f4aeb0Sopenharmony_ci <span class="term"> 12102f4aeb0Sopenharmony_ci <code class="constant">EGL_ALPHA_MASK_SIZE</code> 12202f4aeb0Sopenharmony_ci </span> 12302f4aeb0Sopenharmony_ci </dt> 12402f4aeb0Sopenharmony_ci <dd> 12502f4aeb0Sopenharmony_ci <p> 12602f4aeb0Sopenharmony_ci Returns the number of bits in the alpha mask buffer. 12702f4aeb0Sopenharmony_ci </p> 12802f4aeb0Sopenharmony_ci </dd> 12902f4aeb0Sopenharmony_ci <dt> 13002f4aeb0Sopenharmony_ci <span class="term"> 13102f4aeb0Sopenharmony_ci <code class="constant">EGL_BIND_TO_TEXTURE_RGB</code> 13202f4aeb0Sopenharmony_ci </span> 13302f4aeb0Sopenharmony_ci </dt> 13402f4aeb0Sopenharmony_ci <dd> 13502f4aeb0Sopenharmony_ci <p>Returns <code class="constant">EGL_TRUE</code> if color buffers can be 13602f4aeb0Sopenharmony_ci bound to an RGB texture, 13702f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> otherwise. 13802f4aeb0Sopenharmony_ci </p> 13902f4aeb0Sopenharmony_ci </dd> 14002f4aeb0Sopenharmony_ci <dt> 14102f4aeb0Sopenharmony_ci <span class="term"> 14202f4aeb0Sopenharmony_ci <code class="constant">EGL_BIND_TO_TEXTURE_RGBA</code> 14302f4aeb0Sopenharmony_ci </span> 14402f4aeb0Sopenharmony_ci </dt> 14502f4aeb0Sopenharmony_ci <dd> 14602f4aeb0Sopenharmony_ci <p>Returns <code class="constant">EGL_TRUE</code> if color buffers can be 14702f4aeb0Sopenharmony_ci bound to an RGBA texture, 14802f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> otherwise. 14902f4aeb0Sopenharmony_ci </p> 15002f4aeb0Sopenharmony_ci </dd> 15102f4aeb0Sopenharmony_ci <dt> 15202f4aeb0Sopenharmony_ci <span class="term"> 15302f4aeb0Sopenharmony_ci <code class="constant">EGL_BLUE_SIZE</code> 15402f4aeb0Sopenharmony_ci </span> 15502f4aeb0Sopenharmony_ci </dt> 15602f4aeb0Sopenharmony_ci <dd> 15702f4aeb0Sopenharmony_ci <p>Returns the number of bits of blue stored in the 15802f4aeb0Sopenharmony_ci color buffer. 15902f4aeb0Sopenharmony_ci </p> 16002f4aeb0Sopenharmony_ci </dd> 16102f4aeb0Sopenharmony_ci <dt> 16202f4aeb0Sopenharmony_ci <span class="term"> 16302f4aeb0Sopenharmony_ci <code class="constant">EGL_BUFFER_SIZE</code> 16402f4aeb0Sopenharmony_ci </span> 16502f4aeb0Sopenharmony_ci </dt> 16602f4aeb0Sopenharmony_ci <dd> 16702f4aeb0Sopenharmony_ci <p>Returns the depth of the color buffer. 16802f4aeb0Sopenharmony_ci It is the sum of 16902f4aeb0Sopenharmony_ci <code class="constant">EGL_RED_SIZE</code>, 17002f4aeb0Sopenharmony_ci <code class="constant">EGL_GREEN_SIZE</code>, 17102f4aeb0Sopenharmony_ci <code class="constant">EGL_BLUE_SIZE</code>, and 17202f4aeb0Sopenharmony_ci <code class="constant">EGL_ALPHA_SIZE</code>. 17302f4aeb0Sopenharmony_ci </p> 17402f4aeb0Sopenharmony_ci </dd> 17502f4aeb0Sopenharmony_ci <dt> 17602f4aeb0Sopenharmony_ci <span class="term"> 17702f4aeb0Sopenharmony_ci <code class="constant">EGL_COLOR_BUFFER_TYPE</code> 17802f4aeb0Sopenharmony_ci </span> 17902f4aeb0Sopenharmony_ci </dt> 18002f4aeb0Sopenharmony_ci <dd> 18102f4aeb0Sopenharmony_ci <p> 18202f4aeb0Sopenharmony_ci Returns the color buffer type. Possible types are 18302f4aeb0Sopenharmony_ci <code class="constant">EGL_RGB_BUFFER</code> and 18402f4aeb0Sopenharmony_ci <code class="constant">EGL_LUMINANCE_BUFFER</code>. 18502f4aeb0Sopenharmony_ci </p> 18602f4aeb0Sopenharmony_ci </dd> 18702f4aeb0Sopenharmony_ci <dt> 18802f4aeb0Sopenharmony_ci <span class="term"> 18902f4aeb0Sopenharmony_ci <code class="constant">EGL_CONFIG_CAVEAT</code> 19002f4aeb0Sopenharmony_ci </span> 19102f4aeb0Sopenharmony_ci </dt> 19202f4aeb0Sopenharmony_ci <dd> 19302f4aeb0Sopenharmony_ci <p>Returns the caveats for the frame buffer configuration. 19402f4aeb0Sopenharmony_ci Possible caveat values are 19502f4aeb0Sopenharmony_ci <code class="constant">EGL_NONE</code>, 19602f4aeb0Sopenharmony_ci <code class="constant">EGL_SLOW_CONFIG</code>, and 19702f4aeb0Sopenharmony_ci <code class="constant">EGL_NON_CONFORMANT</code>. 19802f4aeb0Sopenharmony_ci </p> 19902f4aeb0Sopenharmony_ci </dd> 20002f4aeb0Sopenharmony_ci <dt> 20102f4aeb0Sopenharmony_ci <span class="term"> 20202f4aeb0Sopenharmony_ci <code class="constant">EGL_CONFIG_ID</code> 20302f4aeb0Sopenharmony_ci </span> 20402f4aeb0Sopenharmony_ci </dt> 20502f4aeb0Sopenharmony_ci <dd> 20602f4aeb0Sopenharmony_ci <p>Returns the ID of the frame buffer configuration. 20702f4aeb0Sopenharmony_ci </p> 20802f4aeb0Sopenharmony_ci </dd> 20902f4aeb0Sopenharmony_ci <dt> 21002f4aeb0Sopenharmony_ci <span class="term"> 21102f4aeb0Sopenharmony_ci <code class="constant">EGL_CONFORMANT</code> 21202f4aeb0Sopenharmony_ci </span> 21302f4aeb0Sopenharmony_ci </dt> 21402f4aeb0Sopenharmony_ci <dd> 21502f4aeb0Sopenharmony_ci <p> 21602f4aeb0Sopenharmony_ci Returns a bitmask indicating which client API contexts 21702f4aeb0Sopenharmony_ci created with respect to this config are conformant. 21802f4aeb0Sopenharmony_ci </p> 21902f4aeb0Sopenharmony_ci </dd> 22002f4aeb0Sopenharmony_ci <dt> 22102f4aeb0Sopenharmony_ci <span class="term"> 22202f4aeb0Sopenharmony_ci <code class="constant">EGL_DEPTH_SIZE</code> 22302f4aeb0Sopenharmony_ci </span> 22402f4aeb0Sopenharmony_ci </dt> 22502f4aeb0Sopenharmony_ci <dd> 22602f4aeb0Sopenharmony_ci <p>Returns the number of bits in the depth buffer. 22702f4aeb0Sopenharmony_ci </p> 22802f4aeb0Sopenharmony_ci </dd> 22902f4aeb0Sopenharmony_ci <dt> 23002f4aeb0Sopenharmony_ci <span class="term"> 23102f4aeb0Sopenharmony_ci <code class="constant">EGL_GREEN_SIZE</code> 23202f4aeb0Sopenharmony_ci </span> 23302f4aeb0Sopenharmony_ci </dt> 23402f4aeb0Sopenharmony_ci <dd> 23502f4aeb0Sopenharmony_ci <p>Returns the number of bits of green stored in the 23602f4aeb0Sopenharmony_ci color buffer. 23702f4aeb0Sopenharmony_ci </p> 23802f4aeb0Sopenharmony_ci </dd> 23902f4aeb0Sopenharmony_ci <dt> 24002f4aeb0Sopenharmony_ci <span class="term"> 24102f4aeb0Sopenharmony_ci <code class="constant">EGL_LEVEL</code> 24202f4aeb0Sopenharmony_ci </span> 24302f4aeb0Sopenharmony_ci </dt> 24402f4aeb0Sopenharmony_ci <dd> 24502f4aeb0Sopenharmony_ci <p>Returns the frame buffer level. 24602f4aeb0Sopenharmony_ci Level zero is the default frame buffer. 24702f4aeb0Sopenharmony_ci Positive levels correspond to frame buffers that overlay the default 24802f4aeb0Sopenharmony_ci buffer and negative levels correspond to frame buffers that underlay 24902f4aeb0Sopenharmony_ci the default buffer. 25002f4aeb0Sopenharmony_ci </p> 25102f4aeb0Sopenharmony_ci </dd> 25202f4aeb0Sopenharmony_ci <dt> 25302f4aeb0Sopenharmony_ci <span class="term"> 25402f4aeb0Sopenharmony_ci <code class="constant">EGL_LUMINANCE_SIZE</code> 25502f4aeb0Sopenharmony_ci </span> 25602f4aeb0Sopenharmony_ci </dt> 25702f4aeb0Sopenharmony_ci <dd> 25802f4aeb0Sopenharmony_ci <p> 25902f4aeb0Sopenharmony_ci Returns the number of bits of luminance stored in the luminance buffer. 26002f4aeb0Sopenharmony_ci </p> 26102f4aeb0Sopenharmony_ci </dd> 26202f4aeb0Sopenharmony_ci <dt> 26302f4aeb0Sopenharmony_ci <span class="term"> 26402f4aeb0Sopenharmony_ci <code class="constant">EGL_MAX_PBUFFER_WIDTH</code> 26502f4aeb0Sopenharmony_ci </span> 26602f4aeb0Sopenharmony_ci </dt> 26702f4aeb0Sopenharmony_ci <dd> 26802f4aeb0Sopenharmony_ci <p>Returns the maximum width of a pixel buffer surface in pixels. 26902f4aeb0Sopenharmony_ci </p> 27002f4aeb0Sopenharmony_ci </dd> 27102f4aeb0Sopenharmony_ci <dt> 27202f4aeb0Sopenharmony_ci <span class="term"> 27302f4aeb0Sopenharmony_ci <code class="constant">EGL_MAX_PBUFFER_HEIGHT</code> 27402f4aeb0Sopenharmony_ci </span> 27502f4aeb0Sopenharmony_ci </dt> 27602f4aeb0Sopenharmony_ci <dd> 27702f4aeb0Sopenharmony_ci <p>Returns the maximum height of a pixel buffer surface in pixels. 27802f4aeb0Sopenharmony_ci </p> 27902f4aeb0Sopenharmony_ci </dd> 28002f4aeb0Sopenharmony_ci <dt> 28102f4aeb0Sopenharmony_ci <span class="term"> 28202f4aeb0Sopenharmony_ci <code class="constant">EGL_MAX_PBUFFER_PIXELS</code> 28302f4aeb0Sopenharmony_ci </span> 28402f4aeb0Sopenharmony_ci </dt> 28502f4aeb0Sopenharmony_ci <dd> 28602f4aeb0Sopenharmony_ci <p>Returns the maximum size of a pixel buffer surface in pixels. 28702f4aeb0Sopenharmony_ci </p> 28802f4aeb0Sopenharmony_ci </dd> 28902f4aeb0Sopenharmony_ci <dt> 29002f4aeb0Sopenharmony_ci <span class="term"> 29102f4aeb0Sopenharmony_ci <code class="constant">EGL_MAX_SWAP_INTERVAL</code> 29202f4aeb0Sopenharmony_ci </span> 29302f4aeb0Sopenharmony_ci </dt> 29402f4aeb0Sopenharmony_ci <dd> 29502f4aeb0Sopenharmony_ci <p>Returns the maximum value that can be passed to eglSwapInterval. 29602f4aeb0Sopenharmony_ci </p> 29702f4aeb0Sopenharmony_ci </dd> 29802f4aeb0Sopenharmony_ci <dt> 29902f4aeb0Sopenharmony_ci <span class="term"> 30002f4aeb0Sopenharmony_ci <code class="constant">EGL_MIN_SWAP_INTERVAL</code> 30102f4aeb0Sopenharmony_ci </span> 30202f4aeb0Sopenharmony_ci </dt> 30302f4aeb0Sopenharmony_ci <dd> 30402f4aeb0Sopenharmony_ci <p>Returns the minimum value that can be passed to eglSwapInterval. 30502f4aeb0Sopenharmony_ci </p> 30602f4aeb0Sopenharmony_ci </dd> 30702f4aeb0Sopenharmony_ci <dt> 30802f4aeb0Sopenharmony_ci <span class="term"> 30902f4aeb0Sopenharmony_ci <code class="constant">EGL_NATIVE_RENDERABLE</code> 31002f4aeb0Sopenharmony_ci </span> 31102f4aeb0Sopenharmony_ci </dt> 31202f4aeb0Sopenharmony_ci <dd> 31302f4aeb0Sopenharmony_ci <p>Returns <code class="constant">EGL_TRUE</code> if native rendering 31402f4aeb0Sopenharmony_ci APIs can render into the surface, 31502f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> otherwise. 31602f4aeb0Sopenharmony_ci </p> 31702f4aeb0Sopenharmony_ci </dd> 31802f4aeb0Sopenharmony_ci <dt> 31902f4aeb0Sopenharmony_ci <span class="term"> 32002f4aeb0Sopenharmony_ci <code class="constant">EGL_NATIVE_VISUAL_ID</code> 32102f4aeb0Sopenharmony_ci </span> 32202f4aeb0Sopenharmony_ci </dt> 32302f4aeb0Sopenharmony_ci <dd> 32402f4aeb0Sopenharmony_ci <p>Returns the ID of the associated native visual. 32502f4aeb0Sopenharmony_ci </p> 32602f4aeb0Sopenharmony_ci </dd> 32702f4aeb0Sopenharmony_ci <dt> 32802f4aeb0Sopenharmony_ci <span class="term"> 32902f4aeb0Sopenharmony_ci <code class="constant">EGL_NATIVE_VISUAL_TYPE</code> 33002f4aeb0Sopenharmony_ci </span> 33102f4aeb0Sopenharmony_ci </dt> 33202f4aeb0Sopenharmony_ci <dd> 33302f4aeb0Sopenharmony_ci <p>Returns the type of the associated native visual. 33402f4aeb0Sopenharmony_ci </p> 33502f4aeb0Sopenharmony_ci </dd> 33602f4aeb0Sopenharmony_ci <dt> 33702f4aeb0Sopenharmony_ci <span class="term"> 33802f4aeb0Sopenharmony_ci <code class="constant">EGL_RED_SIZE</code> 33902f4aeb0Sopenharmony_ci </span> 34002f4aeb0Sopenharmony_ci </dt> 34102f4aeb0Sopenharmony_ci <dd> 34202f4aeb0Sopenharmony_ci <p>Returns the number of bits of red stored in the 34302f4aeb0Sopenharmony_ci color buffer. 34402f4aeb0Sopenharmony_ci </p> 34502f4aeb0Sopenharmony_ci </dd> 34602f4aeb0Sopenharmony_ci <dt> 34702f4aeb0Sopenharmony_ci <span class="term"> 34802f4aeb0Sopenharmony_ci <code class="constant">EGL_RENDERABLE_TYPE</code> 34902f4aeb0Sopenharmony_ci </span> 35002f4aeb0Sopenharmony_ci </dt> 35102f4aeb0Sopenharmony_ci <dd> 35202f4aeb0Sopenharmony_ci <p> 35302f4aeb0Sopenharmony_ci Returns a bitmask indicating the types of supported 35402f4aeb0Sopenharmony_ci client API contexts. 35502f4aeb0Sopenharmony_ci </p> 35602f4aeb0Sopenharmony_ci </dd> 35702f4aeb0Sopenharmony_ci <dt> 35802f4aeb0Sopenharmony_ci <span class="term"> 35902f4aeb0Sopenharmony_ci <code class="constant">EGL_SAMPLE_BUFFERS</code> 36002f4aeb0Sopenharmony_ci </span> 36102f4aeb0Sopenharmony_ci </dt> 36202f4aeb0Sopenharmony_ci <dd> 36302f4aeb0Sopenharmony_ci <p>Returns the number of multisample buffers. 36402f4aeb0Sopenharmony_ci </p> 36502f4aeb0Sopenharmony_ci </dd> 36602f4aeb0Sopenharmony_ci <dt> 36702f4aeb0Sopenharmony_ci <span class="term"> 36802f4aeb0Sopenharmony_ci <code class="constant">EGL_SAMPLES</code> 36902f4aeb0Sopenharmony_ci </span> 37002f4aeb0Sopenharmony_ci </dt> 37102f4aeb0Sopenharmony_ci <dd> 37202f4aeb0Sopenharmony_ci <p>Returns the number of samples per pixel.</p> 37302f4aeb0Sopenharmony_ci </dd> 37402f4aeb0Sopenharmony_ci <dt> 37502f4aeb0Sopenharmony_ci <span class="term"> 37602f4aeb0Sopenharmony_ci <code class="constant">EGL_STENCIL_SIZE</code> 37702f4aeb0Sopenharmony_ci </span> 37802f4aeb0Sopenharmony_ci </dt> 37902f4aeb0Sopenharmony_ci <dd> 38002f4aeb0Sopenharmony_ci <p>Returns the number of bits in the stencil buffer. 38102f4aeb0Sopenharmony_ci </p> 38202f4aeb0Sopenharmony_ci </dd> 38302f4aeb0Sopenharmony_ci <dt> 38402f4aeb0Sopenharmony_ci <span class="term"> 38502f4aeb0Sopenharmony_ci <code class="constant">EGL_SURFACE_TYPE</code> 38602f4aeb0Sopenharmony_ci </span> 38702f4aeb0Sopenharmony_ci </dt> 38802f4aeb0Sopenharmony_ci <dd> 38902f4aeb0Sopenharmony_ci <p> 39002f4aeb0Sopenharmony_ci Returns a bitmask indicating the types of supported EGL 39102f4aeb0Sopenharmony_ci surfaces. 39202f4aeb0Sopenharmony_ci </p> 39302f4aeb0Sopenharmony_ci </dd> 39402f4aeb0Sopenharmony_ci <dt> 39502f4aeb0Sopenharmony_ci <span class="term"> 39602f4aeb0Sopenharmony_ci <code class="constant">EGL_TRANSPARENT_TYPE</code> 39702f4aeb0Sopenharmony_ci </span> 39802f4aeb0Sopenharmony_ci </dt> 39902f4aeb0Sopenharmony_ci <dd> 40002f4aeb0Sopenharmony_ci <p>Returns the type of supported transparency. 40102f4aeb0Sopenharmony_ci Possible transparency values are: 40202f4aeb0Sopenharmony_ci <code class="constant">EGL_NONE</code>, and 40302f4aeb0Sopenharmony_ci <code class="constant">EGL_TRANSPARENT_RGB</code>. 40402f4aeb0Sopenharmony_ci </p> 40502f4aeb0Sopenharmony_ci </dd> 40602f4aeb0Sopenharmony_ci <dt> 40702f4aeb0Sopenharmony_ci <span class="term"> 40802f4aeb0Sopenharmony_ci <code class="constant">EGL_TRANSPARENT_RED_VALUE</code> 40902f4aeb0Sopenharmony_ci </span> 41002f4aeb0Sopenharmony_ci </dt> 41102f4aeb0Sopenharmony_ci <dd> 41202f4aeb0Sopenharmony_ci <p>Returns the transparent red value.</p> 41302f4aeb0Sopenharmony_ci </dd> 41402f4aeb0Sopenharmony_ci <dt> 41502f4aeb0Sopenharmony_ci <span class="term"> 41602f4aeb0Sopenharmony_ci <code class="constant">EGL_TRANSPARENT_GREEN_VALUE</code> 41702f4aeb0Sopenharmony_ci </span> 41802f4aeb0Sopenharmony_ci </dt> 41902f4aeb0Sopenharmony_ci <dd> 42002f4aeb0Sopenharmony_ci <p>Returns the transparent green value.</p> 42102f4aeb0Sopenharmony_ci </dd> 42202f4aeb0Sopenharmony_ci <dt> 42302f4aeb0Sopenharmony_ci <span class="term"> 42402f4aeb0Sopenharmony_ci <code class="constant">EGL_TRANSPARENT_BLUE_VALUE</code> 42502f4aeb0Sopenharmony_ci </span> 42602f4aeb0Sopenharmony_ci </dt> 42702f4aeb0Sopenharmony_ci <dd> 42802f4aeb0Sopenharmony_ci <p>Returns the transparent blue value.</p> 42902f4aeb0Sopenharmony_ci </dd> 43002f4aeb0Sopenharmony_ci </dl> 43102f4aeb0Sopenharmony_ci </div> 43202f4aeb0Sopenharmony_ci </div> 43302f4aeb0Sopenharmony_ci <div class="refsect1" id="notes"> 43402f4aeb0Sopenharmony_ci <h2>Notes</h2> 43502f4aeb0Sopenharmony_ci <p> 43602f4aeb0Sopenharmony_ci <code class="constant">EGL_CONFORMANT</code> is supported only if the 43702f4aeb0Sopenharmony_ci EGL version is 1.3 or greater. 43802f4aeb0Sopenharmony_ci </p> 43902f4aeb0Sopenharmony_ci <p> 44002f4aeb0Sopenharmony_ci <code class="constant">EGL_ALPHA_MASK_SIZE</code>, 44102f4aeb0Sopenharmony_ci <code class="constant">EGL_COLOR_BUFFER_TYPE</code>, 44202f4aeb0Sopenharmony_ci <code class="constant">EGL_LUMINANCE_SIZE</code>, and 44302f4aeb0Sopenharmony_ci <code class="constant">EGL_RENDERABLE_TYPE</code> are supported only 44402f4aeb0Sopenharmony_ci if the EGL version is 1.2 or greater. 44502f4aeb0Sopenharmony_ci </p> 44602f4aeb0Sopenharmony_ci <p> 44702f4aeb0Sopenharmony_ci While <code class="constant">EGL_MATCH_NATIVE_PIXMAP</code> can be 44802f4aeb0Sopenharmony_ci specified in the attribute list passed to 44902f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglChooseConfig.xhtml"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a>, 45002f4aeb0Sopenharmony_ci it is not an attribute of the resulting config and cannot be 45102f4aeb0Sopenharmony_ci queried using <code class="function">eglGetConfigAttrib</code>. 45202f4aeb0Sopenharmony_ci </p> 45302f4aeb0Sopenharmony_ci </div> 45402f4aeb0Sopenharmony_ci <div class="refsect1" id="errors"> 45502f4aeb0Sopenharmony_ci <h2>Errors</h2> 45602f4aeb0Sopenharmony_ci <p> 45702f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> is returned on failure, 45802f4aeb0Sopenharmony_ci <code class="constant">EGL_TRUE</code> otherwise. 45902f4aeb0Sopenharmony_ci <em class="parameter"><code>value</code></em> is not modified when 46002f4aeb0Sopenharmony_ci <code class="constant">EGL_FALSE</code> is returned. 46102f4aeb0Sopenharmony_ci </p> 46202f4aeb0Sopenharmony_ci <p> 46302f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_DISPLAY</code> is generated if 46402f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> is not an EGL display connection. 46502f4aeb0Sopenharmony_ci </p> 46602f4aeb0Sopenharmony_ci <p> 46702f4aeb0Sopenharmony_ci <code class="constant">EGL_NOT_INITIALIZED</code> is generated if 46802f4aeb0Sopenharmony_ci <em class="parameter"><code>display</code></em> has not been initialized. 46902f4aeb0Sopenharmony_ci </p> 47002f4aeb0Sopenharmony_ci <p> 47102f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_CONFIG</code> is generated if 47202f4aeb0Sopenharmony_ci <em class="parameter"><code>config</code></em> is not an EGL frame buffer configuration. 47302f4aeb0Sopenharmony_ci </p> 47402f4aeb0Sopenharmony_ci <p> 47502f4aeb0Sopenharmony_ci <code class="constant">EGL_BAD_ATTRIBUTE</code> is generated if 47602f4aeb0Sopenharmony_ci <em class="parameter"><code>attribute</code></em> is not a valid frame buffer 47702f4aeb0Sopenharmony_ci configuration attribute. 47802f4aeb0Sopenharmony_ci </p> 47902f4aeb0Sopenharmony_ci </div> 48002f4aeb0Sopenharmony_ci <div class="refsect1" id="seealso"> 48102f4aeb0Sopenharmony_ci <h2>See Also</h2> 48202f4aeb0Sopenharmony_ci <p> 48302f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglChooseConfig.xhtml"><span class="citerefentry"><span class="refentrytitle">eglChooseConfig</span></span></a>, 48402f4aeb0Sopenharmony_ci <a class="citerefentry" href="eglGetConfigs.xhtml"><span class="citerefentry"><span class="refentrytitle">eglGetConfigs</span></span></a> 48502f4aeb0Sopenharmony_ci </p> 48602f4aeb0Sopenharmony_ci </div> 48702f4aeb0Sopenharmony_ci <p> 48802f4aeb0Sopenharmony_ci </p> 48902f4aeb0Sopenharmony_ci <div class="refsect3" id="copyright"> 49002f4aeb0Sopenharmony_ci <img src="KhronosLogo.jpg"/> 49102f4aeb0Sopenharmony_ci <p> 49202f4aeb0Sopenharmony_ci Copyright © 2003-2014 The Khronos Group Inc. 49302f4aeb0Sopenharmony_ci Permission is hereby granted, free of charge, to any person obtaining a 49402f4aeb0Sopenharmony_ci copy of this software and/or associated documentation files (the 49502f4aeb0Sopenharmony_ci "Materials"), to deal in the Materials without restriction, including 49602f4aeb0Sopenharmony_ci without limitation the rights to use, copy, modify, merge, publish, 49702f4aeb0Sopenharmony_ci distribute, sublicense, and/or sell copies of the Materials, and to 49802f4aeb0Sopenharmony_ci permit persons to whom the Materials are furnished to do so, subject to 49902f4aeb0Sopenharmony_ci the condition that this copyright notice and permission notice shall be included 50002f4aeb0Sopenharmony_ci in all copies or substantial portions of the Materials. 50102f4aeb0Sopenharmony_ci </p> 50202f4aeb0Sopenharmony_ci </div> 50302f4aeb0Sopenharmony_ci <p> 50402f4aeb0Sopenharmony_ci</p> 50502f4aeb0Sopenharmony_ci </div> 50602f4aeb0Sopenharmony_ci <footer/> 50702f4aeb0Sopenharmony_ci </body> 50802f4aeb0Sopenharmony_ci</html> 509
