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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=
"glInvalidateTexImage"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>glInvalidateTexImage — invalidate the entirety a texture image
</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">glInvalidateTexImage
</b>(
</code></td><td>GLuint
</td><td><var class=
"pdparam">texture
</var>,
</td></tr><tr><td> </td><td>GLint
</td><td><var class=
"pdparam">level
</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>texture
</code></em></span></dt><dd><p>
5 The name of a texture object to invalidate.
6 </p></dd><dt><span class=
"term"><em class=
"parameter"><code>level
</code></em></span></dt><dd><p>
7 The level of detail of the texture object to invalidate.
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">glInvalidateTexSubImage
</code> invalidates all of
10 a texture image.
<em class=
"parameter"><code>texture
</code></em> and
<em class=
"parameter"><code>level
</code></em> indicated
11 which texture image is being invalidated. After this command, data in the texture image has undefined
14 <em class=
"parameter"><code>level
</code></em> must be greater than or equal to zero and be
15 less than the base
2 logarithm of the maximum texture width, height, or depth.
17 For textures of targets
<code class=
"constant">GL_TEXTURE_RECTANGLE
</code>,
<code class=
"constant">GL_TEXTURE_BUFFER
</code>,
<code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE
</code>, or
18 <code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE_ARRAY
</code>, level must be zero.
19 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"errors"></a><h2>Errors
</h2><p>
20 <code class=
"constant">GL_INVALID_VALUE
</code> is generated if
<em class=
"parameter"><code>level
</code></em> is
21 less than zero or if it is greater or equal to the base
2 logarithm of the maximum texture width, height, or depth.
23 <code class=
"constant">GL_INVALID_VALUE
</code> is generated if the target of
<em class=
"parameter"><code>texture
</code></em>
24 is any of
<code class=
"constant">GL_TEXTURE_RECTANGLE
</code>,
<code class=
"constant">GL_TEXTURE_BUFFER
</code>,
<code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE
</code>, or
25 <code class=
"constant">GL_TEXTURE_2D_MULTISAMPLE_ARRAY
</code> and
<em class=
"parameter"><code>level
</code></em> is not zero.
27 <code class=
"constant">GL_INVALID_VALUE
</code> is generated if
<em class=
"parameter"><code>texture
</code></em> is not the
28 name of an existing texture object.
29 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"associatedgets"></a><h2>Associated Gets
</h2><p>
30 <a href=
"glGet.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glGet
</span></span></a> with argument
<code class=
"constant">GL_MAX_TEXTURE_SIZE
</code>
31 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"seealso"></a><h2>See Also
</h2><p>
32 <a href=
"glInvalidateTexSubImage.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glInvalidateTexSubImage
</span></span></a>,,
33 <a href=
"glInvalidateBufferSubData.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glInvalidateBufferSubData
</span></span></a>,
34 <a href=
"glInvalidateBufferData.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glInvalidateBufferData
</span></span></a>,
35 <a href=
"glInvalidateFramebuffer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glInvalidateFramebuffer
</span></span></a>,
36 <a href=
"glInvalidateSubFramebuffer.xml"><span class=
"citerefentry"><span class=
"refentrytitle">glInvalidateSubFramebuffer
</span></span></a>.
37 </p></div><div class=
"refsect1" lang=
"en" xml:
lang=
"en"><a id=
"Copyright"></a><h2>Copyright
</h2><p>
38 Copyright
<span class=
"trademark"></span>©
2012 Khronos Group.
39 This material may be distributed subject to the terms and conditions set forth in
40 the Open Publication License, v
1.0,
8 June
1999.
41 <a href=
"http://opencontent.org/openpub/" target=
"_top">http://opencontent.org/openpub/
</a>.
42 </p></div></div></body></html>