/* 
 * Copyright (c) 2002-2004 LWJGL Project
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are 
 * met:
 * 
 * * Redistributions of source code must retain the above copyright 
 *   notice, this list of conditions and the following disclaimer.
 *
 * * Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 *
 * * Neither the name of 'LWJGL' nor the names of 
 *   its contributors may be used to endorse or promote products derived 
 *   from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.lwjgl.opengl;

import java.nio.IntBuffer;

import org.lwjgl.LWJGLException;

public final class NVOcclusionQuery {
	public static final int GL_OCCLUSION_TEST_HP                                    = 0x8165;
	public static final int GL_OCCLUSION_TEST_RESULT_HP                             = 0x8166;
	/* HP_occlusion_test */
	public static final int GL_PIXEL_COUNTER_BITS_NV                                = 0x8864;
	public static final int GL_CURRENT_OCCLUSION_QUERY_ID_NV                        = 0x8865;
	public static final int GL_PIXEL_COUNT_NV                                       = 0x8866;
	public static final int GL_PIXEL_COUNT_AVAILABLE_NV                             = 0x8867;

	static native void initNativeStubs() throws LWJGLException;

	public static void glGenOcclusionQueriesNV(IntBuffer piIDs) {
		nglGenOcclusionQueriesNV(piIDs.remaining(), piIDs, piIDs.position());
	}
	private static native void nglGenOcclusionQueriesNV(int n, IntBuffer piIDs, int piIDs_offset);
	public static void glDeleteOcclusionQueriesNV(IntBuffer piIDs) {
		nglDeleteOcclusionQueriesNV(piIDs.remaining(), piIDs, piIDs.position());
	}
	private static native void nglDeleteOcclusionQueriesNV(int n, IntBuffer piIDs, int piIDs_offset);

	public static native boolean glIsOcclusionQueryNV(int id);
	public static native void glBeginOcclusionQueryNV(int id);

	public static native void glEndOcclusionQueryNV();

	public static void glGetOcclusionQueryNV(int id, int pname, IntBuffer piParams) {
		BufferChecks.checkBuffer(piParams);
		nglGetOcclusionQueryivNV(id, pname, piParams, piParams.position());
	}
	private static native void nglGetOcclusionQueryivNV(int id, int pname, IntBuffer piParams, int piParams_offset);

	public static void glGetOcclusionQueryuNV(int id, int pname, IntBuffer piParams) {
		BufferChecks.checkBuffer(piParams);
		nglGetOcclusionQueryuivNV(id, pname, piParams, piParams.position());
	}
	private static native void nglGetOcclusionQueryuivNV(int id, int pname, IntBuffer piParams, int piParams_offset);
}