Commit | Line | Data |
---|---|---|
7faf1d71 AW |
1 | <?xml version="1.0" encoding="UTF-8"?> |
2 | <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "xhtml1-transitional.dtd"> | |
3 | <!-- saved from url=(0013)about:internet --> | |
4 | <?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>glTexBufferRange - OpenGL 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="glTexBufferRange"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>glTexBufferRange — bind a range of a buffer's data store to a buffer texture</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">glTexBufferRange</b>(</code></td><td>GLenum </td><td><var class="pdparam">target</var>, </td></tr><tr><td> </td><td>GLenum </td><td><var class="pdparam">internalFormat</var>, </td></tr><tr><td> </td><td>GLuint </td><td><var class="pdparam">buffer</var>, </td></tr><tr><td> </td><td>GLintptr </td><td><var class="pdparam">offset</var>, </td></tr><tr><td> </td><td>GLsizeiptr </td><td><var class="pdparam">size</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> | |
5 | Specifies the target of the operation and must be <code class="constant">GL_TEXTURE_BUFFER</code>. | |
6 | </p></dd><dt><span class="term"><em class="parameter"><code>internalFormat</code></em></span></dt><dd><p> | |
7 | Specifies the internal format of the data in the store belonging to <em class="parameter"><code>buffer</code></em>. | |
8 | </p></dd><dt><span class="term"><em class="parameter"><code>buffer</code></em></span></dt><dd><p> | |
9 | Specifies the name of the buffer object whose storage to attach to the active buffer texture. | |
10 | </p></dd><dt><span class="term"><em class="parameter"><code>offset</code></em></span></dt><dd><p> | |
11 | Specifies the offset of the start of the range of the buffer's data store to attach. | |
12 | </p></dd><dt><span class="term"><em class="parameter"><code>size</code></em></span></dt><dd><p> | |
13 | Specifies the size of the range of the buffer's data store to attach. | |
14 | </p></dd></dl></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="description"></a><h2>Description</h2><p> | |
15 | <code class="function">glTexBufferRange</code> attaches the a range of the data store of the buffer object named <em class="parameter"><code>buffer</code></em> to the active | |
16 | buffer texture, and specifies the internal format for the texel array found in the attached buffer object. If <em class="parameter"><code>buffer</code></em> | |
17 | is zero, any buffer object attached to the buffer texture is detached and no new buffer object is attached. If <em class="parameter"><code>buffer</code></em> | |
18 | is non-zero, it must be the name of an existing buffer object. <em class="parameter"><code>target</code></em> must be <code class="constant">GL_TEXTURE_BUFFER</code>. | |
19 | The start of the range is specified by <em class="parameter"><code>offset</code></em> and the size of the range is specified by <em class="parameter"><code>size</code></em>, | |
20 | both measured in basic machine units. <em class="parameter"><code>offset</code></em> must be greater than or equal to zero, <em class="parameter"><code>size</code></em> must be greater | |
21 | than zero, and the sum of <em class="parameter"><code>offset</code></em> and <em class="parameter"><code>size</code></em> not exceed the value | |
22 | of <code class="constant">GL_BUFFER_SIZE</code> for <em class="parameter"><code>buffer</code></em>. Furthermore, <em class="parameter"><code>offset</code></em> must be | |
23 | an integer multiple of the value of <code class="constant">GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT</code>. | |
24 | <em class="parameter"><code>internalformat</code></em> specifies the storage format, and must be one of the following sized internal formats: | |
25 | </p><div class="informaltable"><table border="1"><colgroup><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /><col align="left" /></colgroup><thead><tr><th rowspan="2" align="center"> </th><th rowspan="2" align="center"> </th><th rowspan="2" align="center"> </th><th rowspan="2" align="center"> </th><th colspan="4" align="left"><span class="bold"><strong> | |
26 | Component | |
27 | </strong></span></th></tr></thead><tbody><tr><td align="left"><span class="bold"><strong>Sized Internal Format</strong></span></td><td align="left"><span class="bold"><strong>Base Type</strong></span></td><td align="left"><span class="bold"><strong>Components</strong></span></td><td align="left"><span class="bold"><strong>Norm</strong></span></td><td align="center">0</td><td align="center">1</td><td align="center">2</td><td align="center">3</td></tr><tr><td align="left"><code class="constant">GL_R8</code></td><td align="left">ubyte</td><td align="left">1</td><td align="left">YES</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R16</code></td><td align="left">ushort</td><td align="left">1</td><td align="left">YES</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R16F</code></td><td align="left">half</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R32F</code></td><td align="left">float</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R8I</code></td><td align="left">byte</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R16I</code></td><td align="left">short</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R32I</code></td><td align="left">int</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R8UI</code></td><td align="left">ubyte</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R16UI</code></td><td align="left">ushort</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_R32UI</code></td><td align="left">uint</td><td align="left">1</td><td align="left">NO</td><td align="center">R</td><td align="center">0</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG8</code></td><td align="left">ubyte</td><td align="left">2</td><td align="left">YES</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG16</code></td><td align="left">ushort</td><td align="left">2</td><td align="left">YES</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG16F</code></td><td align="left">half</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG32F</code></td><td align="left">float</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG8I</code></td><td align="left">byte</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG16I</code></td><td align="left">short</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG32I</code></td><td align="left">int</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG8UI</code></td><td align="left">ubyte</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG16UI</code></td><td align="left">ushort</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RG32UI</code></td><td align="left">uint</td><td align="left">2</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">0</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RGB32F</code></td><td align="left">float</td><td align="left">3</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RGB32I</code></td><td align="left">int</td><td align="left">3</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RGB32UI</code></td><td align="left">uint</td><td align="left">3</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">1</td></tr><tr><td align="left"><code class="constant">GL_RGBA8</code></td><td align="left">uint</td><td align="left">4</td><td align="left">YES</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA16</code></td><td align="left">short</td><td align="left">4</td><td align="left">YES</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA16F</code></td><td align="left">half</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA32F</code></td><td align="left">float</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA8I</code></td><td align="left">byte</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA16I</code></td><td align="left">short</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA32I</code></td><td align="left">int</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA8UI</code></td><td align="left">ubyte</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA16UI</code></td><td align="left">ushort</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr><tr><td align="left"><code class="constant">GL_RGBA32UI</code></td><td align="left">uint</td><td align="left">4</td><td align="left">NO</td><td align="center">R</td><td align="center">G</td><td align="center">B</td><td align="center">A</td></tr></tbody></table></div></div><div class="refsect1" lang="en" xml:lang="en"><a id="errors"></a><h2>Errors</h2><p> | |
28 | <code class="constant">GL_INVALID_ENUM</code> is generated if <em class="parameter"><code>target</code></em> is not | |
29 | <code class="constant">GL_TEXTURE_BUFFER</code>. | |
30 | </p><p> | |
31 | <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>offset</code></em> is less than zero. | |
32 | </p><p> | |
33 | <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>size</code></em> is less than or equal to zero. | |
34 | </p><p> | |
35 | <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>offset</code></em> + <em class="parameter"><code>size</code></em> is | |
36 | greater than the value of <code class="constant">GL_BUFFER_SIZE</code> for <em class="parameter"><code>buffer</code></em>. | |
37 | </p><p> | |
38 | <code class="constant">GL_INVALID_VALUE</code> is generated if <em class="parameter"><code>offset</code></em> is not | |
39 | an integer multiple of the value of <code class="constant">GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT</code>. | |
40 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="associatedgets"></a><h2>Associated Gets</h2><p> | |
41 | <a href="glGet.xml"><span class="citerefentry"><span class="refentrytitle">glGet</span></span></a> with argument <code class="constant">GL_TEXTURE_BUFFER_OFFSET_ALIGNMENT</code> | |
42 | </p><p> | |
43 | <a href="glGetTexLevelParameter.xml"><span class="citerefentry"><span class="refentrytitle">glGetTexLevelParameter</span></span></a> with arguments <code class="constant">GL_TEXTURE_BUFFER_OFFSET</code> | |
44 | or <code class="constant">GL_TEXTURE_BUFFER_SIZE</code>. | |
45 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="seealso"></a><h2>See Also</h2><p> | |
46 | <a href="glTexBuffer.xml"><span class="citerefentry"><span class="refentrytitle">glTexBuffer</span></span></a>. | |
47 | </p></div><div class="refsect1" lang="en" xml:lang="en"><a id="Copyright"></a><h2>Copyright</h2><p> | |
48 | Copyright <span class="trademark"></span>© 2012 Khronos Group. | |
49 | This material may be distributed subject to the terms and conditions set forth in | |
50 | the Open Publication License, v 1.0, 8 June 1999. | |
51 | <a href="http://opencontent.org/openpub/" target="_top">http://opencontent.org/openpub/</a>. | |
52 | </p></div></div></body></html> |