<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
<!-- saved from url=(0013)about:internet -->
-<?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>glCopyTexImage2D</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glCopyTexImage2D"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glCopyTexImage2D — copy pixels into a 2D 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">glCopyTexImage2D</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>GLenum </td><td><var class="pdparam">internalformat</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>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">border</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>
+<?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>glCopyTexImage2D
- 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="glCopyTexImage2D"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glCopyTexImage2D — copy pixels into a 2D 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">glCopyTexImage2D</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>GLenum </td><td><var class="pdparam">internalformat</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>, </td></tr><tr><td> </td><td>GLint </td><td><var class="pdparam">border</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>
Specifies the target texture.
Must be <code class="constant">GL_TEXTURE_2D</code>,
<code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X</code>,
of the rectangular region of pixels to be copied.
</p></dd><dt><span class="term"><em class="parameter"><code>width</code></em></span></dt><dd><p>
Specifies the width of the texture image.
- Must be 0 or
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
-
- <mml:mrow>
- <mml:msup><mml:mn>2</mml:mn>
- <mml:mi mathvariant="italic">n</mml:mi>
- </mml:msup>
- <mml:mo>+</mml:mo>
- <mml:mrow>
- <mml:mn>2</mml:mn>
- <mml:mo></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mi mathvariant="italic">border</mml:mi>
- </mml:mfenced>
- </mml:mrow>
- </mml:mrow>
- </mml:math>
- for some integer
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">n</mml:mi></mml:math>.
</p></dd><dt><span class="term"><em class="parameter"><code>height</code></em></span></dt><dd><p>
Specifies the height of the texture image.
- Must be 0 or
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
-
- <mml:mrow>
- <mml:msup><mml:mn>2</mml:mn>
- <mml:mi mathvariant="italic">m</mml:mi>
- </mml:msup>
- <mml:mo>+</mml:mo>
- <mml:mrow>
- <mml:mn>2</mml:mn>
- <mml:mo></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mi mathvariant="italic">border</mml:mi>
- </mml:mfenced>
- </mml:mrow>
- </mml:mrow>
- </mml:math>
- for some integer
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">m</mml:mi></mml:math>.
</p></dd><dt><span class="term"><em class="parameter"><code>border</code></em></span></dt><dd><p>
- Specifies the width of the border.
- Must be either 0 or 1.
+ Must be 0.
</p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
<code class="function">glCopyTexImage2D</code> defines a two-dimensional texture image, or cube-map texture image
with pixels from the current
<mml:mrow>
<mml:mi mathvariant="italic">width</mml:mi>
- <mml:mo>+</mml:mo>
- <mml:mrow>
- <mml:mn>2</mml:mn>
- <mml:mo></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mi mathvariant="italic">border</mml:mi>
- </mml:mfenced>
- </mml:mrow>
</mml:mrow>
</mml:math>
and a height of
<mml:mrow>
<mml:mi mathvariant="italic">height</mml:mi>
- <mml:mo>+</mml:mo>
- <mml:mrow>
- <mml:mn>2</mml:mn>
- <mml:mo></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mi mathvariant="italic">border</mml:mi>
- </mml:mfenced>
- </mml:mrow>
</mml:mrow>
</mml:math>
defines the texture array
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">max</mml:mi></mml:math>
is the returned value of <code class="constant">GL_MAX_TEXTURE_SIZE</code>.
</p><p>
- <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>width</code></em> is less than 0
+ <code class="constant">GL_INVALID_VALUE</code> is generated if either <em class="parameter"><code>width</code></em> or <em class="parameter"><code>height</code></em> is less than 0
or greater than
<code class="constant">GL_MAX_TEXTURE_SIZE</code>.
</p><p>
- <code class="constant">GL_INVALID_VALUE</code> is generated if non-power-of-two textures are not supported and the <em class="parameter"><code>width</code></em> or <em class="parameter"><code>depth</code></em> cannot be represented as
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
-
- <mml:mrow>
- <mml:msup><mml:mn>2</mml:mn>
- <mml:mi mathvariant="italic">k</mml:mi>
- </mml:msup>
- <mml:mo>+</mml:mo>
- <mml:mrow>
- <mml:mn>2</mml:mn>
- <mml:mo></mml:mo>
- <mml:mfenced open="(" close=")">
- <mml:mi mathvariant="italic">border</mml:mi>
- </mml:mfenced>
- </mml:mrow>
- </mml:mrow>
- </mml:math>
- for some integer
- <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">k</mml:mi></mml:math>.
- </p><p>
- <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>border</code></em> is not 0 or 1.
+ <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>border</code></em> is not 0.
</p><p>
<code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>internalformat</code></em> is not an
accepted format.
HCoop / clinton / guile-figl.git / blobdiff