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<title>ATIMapObjectBuffer (LWJGL API)</title>
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<div class="subTitle">org.lwjgl.opengl</div>
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<h2 title="Class ATIMapObjectBuffer" class="title">Class ATIMapObjectBuffer</h2>
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<pre>public final class <span class="strong">ATIMapObjectBuffer</span>
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extends java.lang.Object</pre>
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<tr class="altColor">
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<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../org/lwjgl/opengl/ATIMapObjectBuffer.html#glMapObjectBufferATI(int, java.nio.ByteBuffer)">glMapObjectBufferATI</a></strong>(int buffer,
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java.nio.ByteBuffer old_buffer)</code>
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<div class="block">glMapObjectBufferATI maps an ATI vertex array object to a ByteBuffer.</div>
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</td>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.nio.ByteBuffer</code></td>
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<td class="colLast"><code><strong><a href="../../../org/lwjgl/opengl/ATIMapObjectBuffer.html#glMapObjectBufferATI(int, long, java.nio.ByteBuffer)">glMapObjectBufferATI</a></strong>(int buffer,
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long length,
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java.nio.ByteBuffer old_buffer)</code>
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<div class="block">glMapObjectBufferATI maps an ATI vertex array object to a ByteBuffer.</div>
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</td>
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<tr class="altColor">
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<td class="colFirst"><code>static void</code></td>
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<td class="colLast"><code><strong><a href="../../../org/lwjgl/opengl/ATIMapObjectBuffer.html#glUnmapObjectBufferATI(int)">glUnmapObjectBufferATI</a></strong>(int buffer)</code> </td>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<h3>Method Detail</h3>
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<a name="glMapObjectBufferATI(int, java.nio.ByteBuffer)">
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<h4>glMapObjectBufferATI</h4>
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<pre>public static java.nio.ByteBuffer glMapObjectBufferATI(int buffer,
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java.nio.ByteBuffer old_buffer)</pre>
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<div class="block">glMapObjectBufferATI maps an ATI vertex array object to a ByteBuffer. The old_buffer argument can be null,
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in which case a new ByteBuffer will be created, pointing to the returned memory. If old_buffer is non-null,
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it will be returned if it points to the same mapped memory and has the same capacity as the vertex array object,
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otherwise a new ByteBuffer is created. That way, an application will normally use glMapObjectBufferATI like this:
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<p/>
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ByteBuffer mapped_buffer; mapped_buffer = glMapObjectBufferATI(..., null); ... // Another map on the same buffer mapped_buffer = glMapObjectBufferATI(..., mapped_buffer);
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<p/>
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Only ByteBuffers returned from this method are to be passed as the old_buffer argument. User-created ByteBuffers cannot be reused.
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<p/>
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The version of this method without an explicit length argument calls glGetObjectBufferATI internally to
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retrieve the current vertex array object size, which may cause a pipeline flush and reduce application performance.
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<p/>
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The version of this method with an explicit length argument is a fast alternative to the one without. No GL call
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is made to retrieve the vertex array object size, so the user is responsible for tracking and using the appropriate length.<br>
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Security warning: The length argument should match the vertex array object size. Reading from or writing to outside
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the memory region that corresponds to the mapped vertex array object will cause native crashes.
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<p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>length</code> - the length of the mapped memory in bytes.</dd><dd><code>old_buffer</code> - A ByteBuffer. If this argument points to the same address and has the same capacity as the new mapping, it will be returned and no new buffer will be created.
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<p></dd>
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<dt><span class="strong">Returns:</span></dt><dd>A ByteBuffer representing the mapped buffer memory.</dd></dl>
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</li>
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</ul>
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<a name="glMapObjectBufferATI(int, long, java.nio.ByteBuffer)">
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<h4>glMapObjectBufferATI</h4>
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<pre>public static java.nio.ByteBuffer glMapObjectBufferATI(int buffer,
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long length,
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java.nio.ByteBuffer old_buffer)</pre>
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<div class="block">glMapObjectBufferATI maps an ATI vertex array object to a ByteBuffer. The old_buffer argument can be null,
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in which case a new ByteBuffer will be created, pointing to the returned memory. If old_buffer is non-null,
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it will be returned if it points to the same mapped memory and has the same capacity as the vertex array object,
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otherwise a new ByteBuffer is created. That way, an application will normally use glMapObjectBufferATI like this:
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<p/>
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ByteBuffer mapped_buffer; mapped_buffer = glMapObjectBufferATI(..., null); ... // Another map on the same buffer mapped_buffer = glMapObjectBufferATI(..., mapped_buffer);
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<p/>
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Only ByteBuffers returned from this method are to be passed as the old_buffer argument. User-created ByteBuffers cannot be reused.
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<p/>
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The version of this method without an explicit length argument calls glGetObjectBufferATI internally to
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retrieve the current vertex array object size, which may cause a pipeline flush and reduce application performance.
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<p/>
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The version of this method with an explicit length argument is a fast alternative to the one without. No GL call
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is made to retrieve the vertex array object size, so the user is responsible for tracking and using the appropriate length.<br>
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Security warning: The length argument should match the vertex array object size. Reading from or writing to outside
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the memory region that corresponds to the mapped vertex array object will cause native crashes.
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<p></div>
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<dl><dt><span class="strong">Parameters:</span></dt><dd><code>length</code> - the length of the mapped memory in bytes.</dd><dd><code>old_buffer</code> - A ByteBuffer. If this argument points to the same address and has the same capacity as the new mapping, it will be returned and no new buffer will be created.
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<p></dd>
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<dt><span class="strong">Returns:</span></dt><dd>A ByteBuffer representing the mapped buffer memory.</dd></dl>
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<h4>glUnmapObjectBufferATI</h4>
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<pre>public static void glUnmapObjectBufferATI(int buffer)</pre>
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