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7<title>glEnable</title>
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10<h1>glEnable Function</h1>
11<h2>Syntax</h2>
12    <div class="section">
13      <pre class="definition">
14GL_APICALL void GL_APIENTRY glEnable(
15     GLenum cap
16);
17</pre>
18    </div>
19<h2>Parameters</h2>
20    <div class="section">
21      <table class="arguments">
22        <thead>
23          <tr>
24            <td width="15" />
25<th>Name</th>
26<td>Description</td>
27          </tr>
28        </thead>
29        <tr>
30<td>in</td>
31<th>cap</th>
32<td>Name of feature to enable</td>
33        </tr> </table>
34    </div>
35<h2>Return Values</h2>
36<div class="section">No values are returned. </div>
37<h2>Description</h2>
38    <div class="section">
39<p>Enables specific GL features.</p><P>
40You can set <span class="argument">cap</span> to the following values. You cannot specify <code>GL_EARLY_DEPTH_TEST_DMP</code> from POD.
41<TABLE><TR><TH><CODE>GL_COLOR_LOGIC_OP</CODE></TH><TD>Enables logical operations on pixels.</TD></TR><TR><TH><CODE>GL_BLEND</CODE></TH><TD>Enables the blend feature.</TD></TR><TR><TH><CODE>GL_DEPTH_TEST</CODE></TH><TD>Enables depth tests.</TD></TR><TR><TH><CODE>GL_STENCIL_TEST</CODE></TH><TD>Enables stencil tests.</TD></TR><TR><TH><CODE>GL_SCISSOR_TEST</CODE></TH><TD>Enables scissoring.</TD></TR><TR><TH><CODE>GL_CULL_FACE</CODE></TH><TD>Enables culling.</TD></TR><TR><TH><CODE>GL_POLYGON_OFFSET_FILL</CODE></TH><TD>Enables polygon offsets.</TD></TR><TR><TH><CODE>GL_EARLY_DEPTH_TEST_DMP</CODE></TH><TD>Enables early depth tests. If this function is enabled, the viewport offset (X, Y) must be (0, 0).</TD></TR><TR><TH><CODE>GL_DEPTH_STENCIL_COPY_DMP</CODE></TH><TD>Enables the depth stencil copy feature.</TD></TR></TABLE></P><P>
42This function generates the following errors.
43<TABLE><TR><TH><CODE>GL_INVALID_ENUM</CODE></TH><TD>The <span class="argument">cap</span> argument was set to an invalid value.</TD></TR><TR><TH><CODE>GL_INVALID_OPERATION</CODE></TH><TD>This function was called without any command-list objects bound.</TD></TR></TABLE></P></div>
44<h2>Revision History</h2>
45    <div class="section">
46      <dl class="history">
47        <dt>2011/02/07</dt>
48<dd>Added mention of the limitation on the viewport offset when the early depth test is enabled.<BR>
49        </dd>
50        <dt>2010/08/12</dt>
51<dd>Added description of <CODE>GL_DEPTH_STENCIL_COPY_DMP</CODE> for the depth stencil copy feature.<br />
52        </dd>
53        <dt>2010/01/07</dt>
54<dd>Initial version.<br />
55        </dd>
56      </dl>
57    </div>
58  <hr><p>CONFIDENTIAL</p></body>
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