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-<?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>glCopyTexSubImage2D</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glCopyTexSubImage2D"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glCopyTexSubImage2D — copy a two-dimensional texture subimage</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">glCopyTexSubImage2D</b>(</code></td><td>GLenum </td><td><var class="pdparam">target</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">level</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">xoffset</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">yoffset</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>GLsizei </td><td><var class="pdparam">width</var>, </td></tr><tr><td> </td><td>GLsizei </td><td><var class="pdparam">height</var><code>)</code>;</td></tr></table></div></div><p>
+<?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>glCopyTexSubImage2D
- OpenGL 3.3 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="glCopyTexSubImage2D"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glCopyTexSubImage2D — copy a two-dimensional texture subimage</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">glCopyTexSubImage2D</b>(</code></td><td>GLenum </td><td><var class="pdparam">target</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">level</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">xoffset</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">yoffset</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">x</var>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">y</var>, </td></tr><tr><td> </td><td>GLsizei </td><td><var class="pdparam">width</var>, </td></tr><tr><td> </td><td>GLsizei </td><td><var class="pdparam">height</var><code>)</code>;</td></tr></table></div></div><p>
</p><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>
Specifies the target texture.
Must be <code class="constant">GL_TEXTURE_2D</code>,
<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>,
- <span class="emphasis"><em>height</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>, <span class="emphasis"><em>width</em></span> or
+ <span class="emphasis"><em>height</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>
<a href="glPixelStore.xml"><span class="citerefentry"><span class="refentrytitle">glPixelStore</span></span></a> modes affect texture images.
<code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X</code>,
<code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y</code>,
<code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</code>,
- <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z</code>, or
- <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</code>.
+ <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z</code>,
+ <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</code>, or
+ <code class="constant">GL_TEXTURE_1D_ARRAY</code>.
</p><p>
<code class="constant">GL_INVALID_OPERATION</code> is generated if the texture array has not been
defined by a previous <a href="glTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage2D</span></span></a> or <a href="glCopyTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexImage2D</span></span></a> operation.
<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>,
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
</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:mrow>
+ <mml:mi mathvariant="italic">w</mml:mi>
+ </mml:mrow>
</mml:mrow>
</mml:math>,
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
<mml:mrow>
<mml:mi mathvariant="italic">yoffset</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">h</mml:mi>
- <mml:mo>-</mml:mo>
- <mml:mi mathvariant="italic">b</mml:mi>
- </mml:mrow>
- </mml:mfenced>
+ <mml:mi mathvariant="italic">h</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>,
+ 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">h</mml:mi></mml:math>
- is the <code class="constant">GL_TEXTURE_HEIGHT</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_HEIGHT</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>
- and
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">h</mml:mi></mml:math>
- include twice the border width.
</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>
</p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
HCoop / clinton / guile-figl.git / blobdiff