upstream-doc/man2/xhtml/glTexSubImage2D.xml

   1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd">
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   3 <?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" /><title>glTexSubImage2D</title><meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /></head><body><div class="refentry" lang="en" xml:lang="en"><a id="glTexSubImage2D"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glTexSubImage2D — specify 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">glTexSubImage2D</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>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>GLenum  </td><td><var class="pdparam">format</var>, </td></tr><tr><td> </td><td>GLenum  </td><td><var class="pdparam">type</var>, </td></tr><tr><td> </td><td>const GLvoid *  </td><td><var class="pdparam">data</var><code>)</code>;</td></tr></table></div></div><p>
   4     </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>
   5                     Specifies the target texture.
   6                     Must be <code class="constant">GL_TEXTURE_2D</code>,
   7                     <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X</code>,
   8                     <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X</code>,
   9                     <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y</code>,
  10                     <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</code>,
  11                     <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z</code>, or
  12                     <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</code>.
  13                 </p></dd><dt><span class="term"><em class="parameter"><code>level</code></em></span></dt><dd><p>
  14                     Specifies the level-of-detail number.
  15                     Level 0 is the base image level.
  16                     Level <span class="emphasis"><em>n</em></span> is the <span class="emphasis"><em>n</em></span>th mipmap reduction image.
  17                 </p></dd><dt><span class="term"><em class="parameter"><code>xoffset</code></em></span></dt><dd><p>
  18                     Specifies a texel offset in the x direction within the texture array.
  19                 </p></dd><dt><span class="term"><em class="parameter"><code>yoffset</code></em></span></dt><dd><p>
  20                     Specifies a texel offset in the y direction within the texture array.
  21                 </p></dd><dt><span class="term"><em class="parameter"><code>width</code></em></span></dt><dd><p>
  22                     Specifies the width of the texture subimage.
  23                 </p></dd><dt><span class="term"><em class="parameter"><code>height</code></em></span></dt><dd><p>
  24                     Specifies the height of the texture subimage.
  25                 </p></dd><dt><span class="term"><em class="parameter"><code>format</code></em></span></dt><dd><p>
  26                     Specifies the format of the pixel data.
  27                     The following symbolic values are accepted:
  28                     <code class="constant">GL_COLOR_INDEX</code>,
  29                     <code class="constant">GL_RED</code>,
  30                     <code class="constant">GL_GREEN</code>,
  31                     <code class="constant">GL_BLUE</code>,
  32                     <code class="constant">GL_ALPHA</code>,
  33                     <code class="constant">GL_RGB</code>,
  34                     <code class="constant">GL_BGR</code>,
  35                     <code class="constant">GL_RGBA</code>,
  36                     <code class="constant">GL_BGRA</code>,
  37                     <code class="constant">GL_LUMINANCE</code>, and
  38                     <code class="constant">GL_LUMINANCE_ALPHA</code>.
  39                 </p></dd><dt><span class="term"><em class="parameter"><code>type</code></em></span></dt><dd><p>
  40                     Specifies the data type of the pixel data.
  41                     The following symbolic values are accepted:
  42                     <code class="constant">GL_UNSIGNED_BYTE</code>,
  43                     <code class="constant">GL_BYTE</code>,
  44                     <code class="constant">GL_BITMAP</code>,
  45                     <code class="constant">GL_UNSIGNED_SHORT</code>,
  46                     <code class="constant">GL_SHORT</code>,
  47                     <code class="constant">GL_UNSIGNED_INT</code>,
  48                     <code class="constant">GL_INT</code>,
  49                     <code class="constant">GL_FLOAT</code>,
  50                     <code class="constant">GL_UNSIGNED_BYTE_3_3_2</code>,
  51                     <code class="constant">GL_UNSIGNED_BYTE_2_3_3_REV</code>,
  52                     <code class="constant">GL_UNSIGNED_SHORT_5_6_5</code>,
  53                     <code class="constant">GL_UNSIGNED_SHORT_5_6_5_REV</code>,
  54                     <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4</code>,
  55                     <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4_REV</code>,
  56                     <code class="constant">GL_UNSIGNED_SHORT_5_5_5_1</code>,
  57                     <code class="constant">GL_UNSIGNED_SHORT_1_5_5_5_REV</code>,
  58                     <code class="constant">GL_UNSIGNED_INT_8_8_8_8</code>,
  59                     <code class="constant">GL_UNSIGNED_INT_8_8_8_8_REV</code>,
  60                     <code class="constant">GL_UNSIGNED_INT_10_10_10_2</code>, and
  61                     <code class="constant">GL_UNSIGNED_INT_2_10_10_10_REV</code>.
  62                 </p></dd><dt><span class="term"><em class="parameter"><code>data</code></em></span></dt><dd><p>
  63                     Specifies a pointer to the image data in memory.
  64                 </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p>
  65             Texturing maps a portion of a specified texture image
  66             onto each graphical primitive for which texturing is enabled.
  67             To enable and disable two-dimensional texturing, call <a class="citerefentry" href="glEnable.xml"><span class="citerefentry"><span class="refentrytitle">glEnable</span></span></a>
  68             and <a class="citerefentry" href="glDisable.xml"><span class="citerefentry"><span class="refentrytitle">glDisable</span></span></a> with argument <code class="constant">GL_TEXTURE_2D</code>.
  69         </p><p>
  70             <code class="function">glTexSubImage2D</code> redefines a contiguous subregion of an existing two-dimensional
  71             texture image.
  72             The texels referenced by <em class="parameter"><code>data</code></em> replace the portion of the
  73             existing texture array with x indices <em class="parameter"><code>xoffset</code></em> and
  74             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
  75
  76                 <mml:mrow>
  77                     <mml:mi mathvariant="italic">xoffset</mml:mi>
  78                     <mml:mo>+</mml:mo>
  79                     <mml:mi mathvariant="italic">width</mml:mi>
  80                     <mml:mo>-</mml:mo>
  81                     <mml:mn>1</mml:mn>
  82                 </mml:mrow>
  83             </mml:math>,
  84             inclusive,
  85             and y indices <em class="parameter"><code>yoffset</code></em> and
  86             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
  87
  88                 <mml:mrow>
  89                     <mml:mi mathvariant="italic">yoffset</mml:mi>
  90                     <mml:mo>+</mml:mo>
  91                     <mml:mi mathvariant="italic">height</mml:mi>
  92                     <mml:mo>-</mml:mo>
  93                     <mml:mn>1</mml:mn>
  94                 </mml:mrow>
  95             </mml:math>,
  96             inclusive.
  97             This region may not include any texels outside the range of the
  98             texture array as it was originally specified.
  99             It is not an error to specify a subtexture with zero width or height, but
 100             such a specification has no effect.
 101         </p><p>
 102             If a non-zero named buffer object is bound to the <code class="constant">GL_PIXEL_UNPACK_BUFFER</code> target
 103             (see <a class="citerefentry" href="glBindBuffer.xml"><span class="citerefentry"><span class="refentrytitle">glBindBuffer</span></span></a>) while a texture image is
 104             specified, <em class="parameter"><code>data</code></em> is treated as a byte offset into the buffer object's data store.
 105         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="notes"></a><h2>Notes</h2><p>
 106             <code class="function">glTexSubImage2D</code> is available only if the GL version is 1.1 or greater.
 107         </p><p>
 108             Texturing has no effect in color index mode.
 109         </p><p>
 110             <a class="citerefentry" href="glPixelStore.xml"><span class="citerefentry"><span class="refentrytitle">glPixelStore</span></span></a> and <a class="citerefentry" href="glPixelTransfer.xml"><span class="citerefentry"><span class="refentrytitle">glPixelTransfer</span></span></a> modes affect texture images
 111             in exactly the way they affect <a class="citerefentry" href="glDrawPixels.xml"><span class="citerefentry"><span class="refentrytitle">glDrawPixels</span></span></a>.
 112         </p><p>
 113             Formats <code class="constant">GL_BGR</code>, and <code class="constant">GL_BGRA</code> and types
 114             <code class="constant">GL_UNSIGNED_BYTE_3_3_2</code>,
 115             <code class="constant">GL_UNSIGNED_BYTE_2_3_3_REV</code>,
 116             <code class="constant">GL_UNSIGNED_SHORT_5_6_5</code>,
 117             <code class="constant">GL_UNSIGNED_SHORT_5_6_5_REV</code>,
 118             <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4</code>,
 119             <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4_REV</code>,
 120             <code class="constant">GL_UNSIGNED_SHORT_5_5_5_1</code>,
 121             <code class="constant">GL_UNSIGNED_SHORT_1_5_5_5_REV</code>,
 122             <code class="constant">GL_UNSIGNED_INT_8_8_8_8</code>,
 123             <code class="constant">GL_UNSIGNED_INT_8_8_8_8_REV</code>,
 124             <code class="constant">GL_UNSIGNED_INT_10_10_10_2</code>, and
 125             <code class="constant">GL_UNSIGNED_INT_2_10_10_10_REV</code> are available only if the GL version
 126             is 1.2 or greater.
 127         </p><p>
 128             For OpenGL versions 1.3 and greater, or when the <code class="code">ARB_multitexture</code> extension is supported, <code class="function">glTexSubImage2D</code>
 129             specifies a two-dimensional subtexture for the current texture unit,
 130             specified with <a class="citerefentry" href="glActiveTexture.xml"><span class="citerefentry"><span class="refentrytitle">glActiveTexture</span></span></a>.
 131         </p><p>
 132             When the <code class="code">ARB_imaging</code> extension is supported, the RGBA components
 133             specified in <em class="parameter"><code>data</code></em> may be processed by the imaging pipeline.  See
 134             <a class="citerefentry" href="glTexImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage1D</span></span></a> for specific details.
 135         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p>
 136             <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>target</code></em> is not <code class="constant">GL_TEXTURE_2D</code>,
 137             <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_X</code>,
 138             <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_X</code>,
 139             <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Y</code>,
 140             <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Y</code>,
 141             <code class="constant">GL_TEXTURE_CUBE_MAP_POSITIVE_Z</code>, or
 142             <code class="constant">GL_TEXTURE_CUBE_MAP_NEGATIVE_Z</code>.
 143         </p><p>
 144             <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>format</code></em> is not an accepted
 145             format constant.
 146         </p><p>
 147             <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>type</code></em> is not a type constant.
 148         </p><p>
 149             <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>type</code></em> is <code class="constant">GL_BITMAP</code> and
 150             <em class="parameter"><code>format</code></em> is not <code class="constant">GL_COLOR_INDEX</code>.
 151         </p><p>
 152             <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>level</code></em> is less than 0.
 153         </p><p>
 154             <code class="constant">GL_INVALID_VALUE</code> may be generated if <em class="parameter"><code>level</code></em> is greater
 155             than
 156             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
 157
 158                 <mml:msub><mml:mi mathvariant="italic">log</mml:mi>
 159                 <mml:mn>2</mml:mn>
 160                 </mml:msub>
 161             </mml:math>
 162             <span class="emphasis"><em>max</em></span>,
 163             where <span class="emphasis"><em>max</em></span> is the returned value of <code class="constant">GL_MAX_TEXTURE_SIZE</code>.
 164         </p><p>
 165             <code class="constant">GL_INVALID_VALUE</code> is generated if
 166             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
 167
 168                 <mml:mrow>
 169                     <mml:mi mathvariant="italic">xoffset</mml:mi>
 170                     <mml:mo>&lt;</mml:mo>
 171                     <mml:mrow>
 172                         <mml:mo>-</mml:mo>
 173                         <mml:mi mathvariant="italic">b</mml:mi>
 174                     </mml:mrow>
 175                 </mml:mrow>
 176             </mml:math>,
 177             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
 178
 179                 <mml:mrow>
 180                     <mml:mfenced open="(" close=")">
 181                         <mml:mrow>
 182                             <mml:mi mathvariant="italic">xoffset</mml:mi>
 183                             <mml:mo>+</mml:mo>
 184                             <mml:mi mathvariant="italic">width</mml:mi>
 185                         </mml:mrow>
 186                     </mml:mfenced>
 187                     <mml:mo>&gt;</mml:mo>
 188                     <mml:mfenced open="(" close=")">
 189                         <mml:mrow>
 190                             <mml:mi mathvariant="italic">w</mml:mi>
 191                             <mml:mo>-</mml:mo>
 192                             <mml:mi mathvariant="italic">b</mml:mi>
 193                         </mml:mrow>
 194                     </mml:mfenced>
 195                 </mml:mrow>
 196             </mml:math>,
 197             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
 198
 199                 <mml:mrow>
 200                     <mml:mi mathvariant="italic">yoffset</mml:mi>
 201                     <mml:mo>&lt;</mml:mo>
 202                     <mml:mrow>
 203                         <mml:mo>-</mml:mo>
 204                         <mml:mi mathvariant="italic">b</mml:mi>
 205                     </mml:mrow>
 206                 </mml:mrow>
 207             </mml:math>,
 208             or
 209             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll">
 210
 211                 <mml:mrow>
 212                     <mml:mfenced open="(" close=")">
 213                         <mml:mrow>
 214                             <mml:mi mathvariant="italic">yoffset</mml:mi>
 215                             <mml:mo>+</mml:mo>
 216                             <mml:mi mathvariant="italic">height</mml:mi>
 217                         </mml:mrow>
 218                     </mml:mfenced>
 219                     <mml:mo>&gt;</mml:mo>
 220                     <mml:mfenced open="(" close=")">
 221                         <mml:mrow>
 222                             <mml:mi mathvariant="italic">h</mml:mi>
 223                             <mml:mo>-</mml:mo>
 224                             <mml:mi mathvariant="italic">b</mml:mi>
 225                         </mml:mrow>
 226                     </mml:mfenced>
 227                 </mml:mrow>
 228             </mml:math>,
 229             where
 230             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">w</mml:mi></mml:math>
 231             is the <code class="constant">GL_TEXTURE_WIDTH</code>,
 232             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">h</mml:mi></mml:math>
 233             is the <code class="constant">GL_TEXTURE_HEIGHT</code>, and
 234             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">b</mml:mi></mml:math>
 235             is the border width
 236             of the texture image being modified.
 237             Note that
 238             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">w</mml:mi></mml:math>
 239             and
 240             <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" overflow="scroll"><mml:mi mathvariant="italic">h</mml:mi></mml:math>
 241             include twice the border width.
 242         </p><p>
 243             <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>width</code></em> or <em class="parameter"><code>height</code></em> is less than 0.
 244         </p><p>
 245             <code class="constant">GL_INVALID_OPERATION</code> is generated if the texture array has not
 246             been defined by a previous <a class="citerefentry" href="glTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage2D</span></span></a> operation.
 247         </p><p>
 248             <code class="constant">GL_INVALID_OPERATION</code> is generated if <em class="parameter"><code>type</code></em> is one of
 249             <code class="constant">GL_UNSIGNED_BYTE_3_3_2</code>,
 250             <code class="constant">GL_UNSIGNED_BYTE_2_3_3_REV</code>,
 251             <code class="constant">GL_UNSIGNED_SHORT_5_6_5</code>, or
 252             <code class="constant">GL_UNSIGNED_SHORT_5_6_5_REV</code>
 253             and <em class="parameter"><code>format</code></em> is not <code class="constant">GL_RGB</code>.
 254         </p><p>
 255             <code class="constant">GL_INVALID_OPERATION</code> is generated if <em class="parameter"><code>type</code></em> is one of
 256             <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4</code>,
 257             <code class="constant">GL_UNSIGNED_SHORT_4_4_4_4_REV</code>,
 258             <code class="constant">GL_UNSIGNED_SHORT_5_5_5_1</code>,
 259             <code class="constant">GL_UNSIGNED_SHORT_1_5_5_5_REV</code>,
 260             <code class="constant">GL_UNSIGNED_INT_8_8_8_8</code>,
 261             <code class="constant">GL_UNSIGNED_INT_8_8_8_8_REV</code>,
 262             <code class="constant">GL_UNSIGNED_INT_10_10_10_2</code>, or
 263             <code class="constant">GL_UNSIGNED_INT_2_10_10_10_REV</code>
 264             and <em class="parameter"><code>format</code></em> is neither <code class="constant">GL_RGBA</code> nor <code class="constant">GL_BGRA</code>.
 265         </p><p>
 266             <code class="constant">GL_INVALID_OPERATION</code> is generated if a non-zero buffer object name is bound to the
 267             <code class="constant">GL_PIXEL_UNPACK_BUFFER</code> target and the buffer object's data store is currently mapped.
 268         </p><p>
 269             <code class="constant">GL_INVALID_OPERATION</code> is generated if a non-zero buffer object name is bound to the
 270             <code class="constant">GL_PIXEL_UNPACK_BUFFER</code> target and the data would be unpacked from the buffer
 271             object such that the memory reads required would exceed the data store size.
 272         </p><p>
 273             <code class="constant">GL_INVALID_OPERATION</code> is generated if a non-zero buffer object name is bound to the
 274             <code class="constant">GL_PIXEL_UNPACK_BUFFER</code> target and <em class="parameter"><code>data</code></em> is not evenly divisible
 275             into the number of bytes needed to store in memory a datum indicated by <em class="parameter"><code>type</code></em>.
 276         </p><p>
 277             <code class="constant">GL_INVALID_OPERATION</code> is generated if <code class="function">glTexSubImage2D</code> is executed
 278             between the execution of <a class="citerefentry" href="glBegin.xml"><span class="citerefentry"><span class="refentrytitle">glBegin</span></span></a> and the corresponding
 279             execution of <a class="citerefentry" href="glEnd.xml"><span class="citerefentry"><span class="refentrytitle">glEnd</span></span></a>.
 280         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p>
 281             <a class="citerefentry" href="glGetTexImage.xml"><span class="citerefentry"><span class="refentrytitle">glGetTexImage</span></span></a>
 282         </p><p>
 283             <a class="citerefentry" href="glIsEnabled.xml"><span class="citerefentry"><span class="refentrytitle">glIsEnabled</span></span></a> with argument <code class="constant">GL_TEXTURE_2D</code>
 284         </p><p>
 285             <a class="citerefentry" href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_PIXEL_UNPACK_BUFFER_BINDING</code>
 286         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p>
 287             <a class="citerefentry" href="glActiveTexture.xml"><span class="citerefentry"><span class="refentrytitle">glActiveTexture</span></span></a>,
 288             <a class="citerefentry" href="glCopyTexImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexImage1D</span></span></a>,
 289             <a class="citerefentry" href="glCopyTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexImage2D</span></span></a>,
 290             <a class="citerefentry" href="glCopyTexSubImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexSubImage1D</span></span></a>,
 291             <a class="citerefentry" href="glCopyTexSubImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexSubImage2D</span></span></a>,
 292             <a class="citerefentry" href="glCopyTexSubImage3D.xml"><span class="citerefentry"><span class="refentrytitle">glCopyTexSubImage3D</span></span></a>,
 293             <a class="citerefentry" href="glDrawPixels.xml"><span class="citerefentry"><span class="refentrytitle">glDrawPixels</span></span></a>,
 294             <a class="citerefentry" href="glPixelStore.xml"><span class="citerefentry"><span class="refentrytitle">glPixelStore</span></span></a>,
 295             <a class="citerefentry" href="glPixelTransfer.xml"><span class="citerefentry"><span class="refentrytitle">glPixelTransfer</span></span></a>,
 296             <a class="citerefentry" href="glTexEnv.xml"><span class="citerefentry"><span class="refentrytitle">glTexEnv</span></span></a>,
 297             <a class="citerefentry" href="glTexGen.xml"><span class="citerefentry"><span class="refentrytitle">glTexGen</span></span></a>,
 298             <a class="citerefentry" href="glTexImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage1D</span></span></a>,
 299             <a class="citerefentry" href="glTexImage2D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage2D</span></span></a>,
 300             <a class="citerefentry" href="glTexImage3D.xml"><span class="citerefentry"><span class="refentrytitle">glTexImage3D</span></span></a>,
 301             <a class="citerefentry" href="glTexSubImage1D.xml"><span class="citerefentry"><span class="refentrytitle">glTexSubImage1D</span></span></a>,
 302             <a class="citerefentry" href="glTexSubImage3D.xml"><span class="citerefentry"><span class="refentrytitle">glTexSubImage3D</span></span></a>,
 303             <a class="citerefentry" href="glTexParameter.xml"><span class="citerefentry"><span class="refentrytitle">glTexParameter</span></span></a>
 304         </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p>
 305             Copyright <span class="trademark"></span>© 1991-2006
 306             Silicon Graphics, Inc. This document is licensed under the SGI
 307             Free Software B License. For details, see
 308             <a class="ulink" href="http://oss.sgi.com/projects/FreeB/" target="_top">http://oss.sgi.com/projects/FreeB/</a>.
 309         </p></div></div></body></html>