<code class="constant">GL_READ_BUFFER</code> are outside the read window associated with the current
rendering context, then the values obtained for those pixels are undefined.
</p><p>
- No change is made to the <span class="emphasis"><em>internalformat</em></span>, <span class="emphasis"><em>width</em></span>,
- or <span class="emphasis"><em>border</em></span> parameters of the specified texture
+ No change is made to the <span class="emphasis"><em>internalformat</em></span> or <span class="emphasis"><em>width</em></span> parameters of the specified texture
array or to texel values outside the specified subregion.
</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p>
The <a href="glPixelStore.xml"><span class="citerefentry"><span class="refentrytitle">glPixelStore</span></span></a> mode affects texture images.
<mml:mrow>
<mml:mi mathvariant="italic">xoffset</mml:mi>
<mml:mo><</mml:mo>
- <mml:mrow>
- <mml:mo>-</mml:mo>
- <mml:mi mathvariant="italic">b</mml:mi>
- </mml:mrow>
+ <mml:mn>0</mml:mn>
</mml:mrow>
</mml:math>,
or
</mml:mrow>
</mml:mfenced>
<mml:mo>></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mrow>
- <mml:mi mathvariant="italic">w</mml:mi>
- <mml:mo>-</mml:mo>
- <mml:mi mathvariant="italic">b</mml:mi>
- </mml:mrow>
- </mml:mfenced>
+ <mml:mi mathvariant="italic">w</mml:mi>
</mml:mrow>
</mml:math>,
where
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">w</mml:mi></mml:math>
- is the <code class="constant">GL_TEXTURE_WIDTH</code> and
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">b</mml:mi></mml:math>
- is the <code class="constant">GL_TEXTURE_BORDER</code>
+ is the <code class="constant">GL_TEXTURE_WIDTH</code>
of the texture image being modified.
- Note that
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">w</mml:mi></mml:math>
- includes twice the border width.
</p><p>
</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
<a href="glGetTexImage.xml"><span class="citerefentry"><span class="refentrytitle">glGetTexImage</span></span></a>
<a href="glTexSubImage3D.xml"><span class="citerefentry"><span class="refentrytitle">glTexSubImage3D</span></span></a>
</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
Copyright <span class="trademark"></span>© 1991-2006
- Silicon Graphics, Inc. This document is licensed under the SGI
+ Silicon Graphics, Inc.
+ Copyright <span class="trademark"></span>© 2012-2013 Khronos Group.
+ This document is licensed under the SGI
Free Software B License. For details, see
<a href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>.
</p></div></div></body></html>