HCoop / clinton / guile-figl.git / blame
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| 7faf1d71 AW |
1 | <?xml version="1.0" encoding="UTF-8"?> |
| 2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
| 3 | <!-- saved from url=(0013)about:internet --> | |
| 4 | <?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" pref:renderer="mathplayer-dl"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><link rel="stylesheet" type="text/css" href="opengl-man.css" /><title>glClampColor - OpenGL 4 Reference Pages</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glClampColor"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glClampColor — specify whether data read via <a href="glReadPixels.xml"><span class="citerefentry"><span class="refentrytitle">glReadPixels</span></span></a> should be clamped</p></div><div class="refsynopsisdiv"><h2>C Specification</h2><div class="funcsynopsis"><table border="0" summary="Function synopsis" cellspacing="0" cellpadding="0"><tr><td><code class="funcdef">void <b class="fsfunc">glClampColor</b>(</code></td><td>GLenum </td><td><var class="pdparam">target</var>, </td></tr><tr><td> </td><td>GLenum </td><td><var class="pdparam">clamp</var><code>)</code>;</td></tr></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="parameters"></a><h2>Parameters</h2><div class="variablelist"><dl><dt><span class="term"><em class="parameter"><code>target</code></em></span></dt><dd><p> | |
| 5 | Target for color clamping. <em class="parameter"><code>target</code></em> must be <code class="constant">GL_CLAMP_READ_COLOR</code>. | |
| 6 | </p></dd><dt><span class="term"><em class="parameter"><code>clamp</code></em></span></dt><dd><p> | |
| 7 | Specifies whether to apply color clamping. <em class="parameter"><code>clamp</code></em> must be <code class="constant">GL_TRUE</code> or <code class="constant">GL_FALSE</code>. | |
| 8 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
| 9 | <code class="function">glClampColor</code> controls color clamping that is performed during <a href="glReadPixels.xml"><span class="citerefentry"><span class="refentrytitle">glReadPixels</span></span></a>. | |
| 10 | <em class="parameter"><code>target</code></em> must be <code class="constant">GL_CLAMP_READ_COLOR</code>. If <em class="parameter"><code>clamp</code></em> is <code class="constant">GL_TRUE</code>, | |
| 11 | read color clamping is enabled; if <em class="parameter"><code>clamp</code></em> is <code class="constant">GL_FALSE</code>, read color clamping is disabled. If | |
| 12 | <em class="parameter"><code>clamp</code></em> is <code class="constant">GL_FIXED_ONLY</code>, read color clamping is enabled only if the selected read buffer has | |
| 13 | fixed point components and disabled otherwise. | |
| 14 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> | |
| 15 | <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>target</code></em> is not | |
| 16 | <code class="constant">GL_CLAMP_READ_COLOR</code>. | |
| 17 | </p><p> | |
| 18 | <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>clamp</code></em> is not <code class="constant">GL_TRUE</code> or <code class="constant">GL_FALSE</code>. | |
| 19 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p> | |
| 20 | <a href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_CLAMP_READ_COLOR</code>. | |
| 21 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
| 22 | Copyright <span class="trademark"></span>© 2010 Khronos Group. | |
| 23 | This material may be distributed subject to the terms and conditions set forth in | |
| 24 | the Open Publication License, v 1.0, 8 June 1999. | |
| 25 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
| 26 | </p></div></div></body></html> |