214 lines
7.3 KiB
Java
214 lines
7.3 KiB
Java
/*
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* Copyright (c) 2002-2011 LWJGL Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of 'LWJGL' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.lwjgl.opengles;
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import org.lwjgl.LWJGLException;
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import java.nio.IntBuffer;
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import static org.lwjgl.opengles.EGL.*;
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/** EGL_NV_sync wrapper class. */
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public final class EGLNVSync {
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/**
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* Accepted in the <condition> parameter of eglCreateFenceSyncNV, and
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* returned in <value> when eglGetSyncAttribNV is called with <attribute>
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* EGL_SYNC_CONDITION_NV:
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*/
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public static final int EGL_SYNC_PRIOR_COMMANDS_COMPLETE_NV = 0x30E6;
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/**
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* Accepted as an attribute name in the <attrib_list> parameter of
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* eglCreateFenceSyncNV, and by the <attribute> parameter of
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* eglGetSyncAttribNV:
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*/
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public static final int EGL_SYNC_STATUS_NV = 0x30E7;
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/**
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* Accepted as an attribute value in the <attrib_list> parameter of
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* eglCreateFenceSyncNV for the EGL_SYNC_STATUS_NV attribute, by
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* the <mode> parameter of eglSignalSyncNV and returned in <value>
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* when eglGetSyncAttribNV is called with <attribute>
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* EGL_SYNC_STATUS_NV:
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*/
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public static final int EGL_SIGNALED_NV = 0x30E8,
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EGL_UNSIGNALED_NV = 0x30E9;
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/** Accepted in the <flags> parameter of eglClientWaitSyncNV: */
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public static final int EGL_SYNC_FLUSH_COMMANDS_BIT_NV = 0x0001;
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/** Accepted in the <timeout> parameter of eglClientWaitSyncNV: */
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public static final long EGL_FOREVER_NV = 0xFFFFFFFFFFFFFFFFL;
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/** Returned by eglClientWaitSyncNV: */
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public static final int EGL_ALREADY_SIGNALED_NV = 0x30EA,
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EGL_TIMEOUT_EXPIRED_NV = 0x30EB,
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EGL_CONDITION_SATISFIED_NV = 0x30EC;
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/** Accepted in the <attribute> parameter of eglGetSyncAttribNV: */
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public static final int EGL_SYNC_TYPE_NV = 0x30ED,
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EGL_SYNC_CONDITION_NV = 0x30EE;
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/**
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* Returned in <value> when eglGetSyncAttribNV is called with
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* <attribute> EGL_SYNC_TYPE_NV:
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*/
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public static final int EGL_SYNC_FENCE_NV = 0x30EF;
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/** Returned by eglCreateFenceSyncNV in the event of an error: */
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public static final long EGL_NO_SYNC_NV = 0;
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static {
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initNativeStubs();
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}
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private EGLNVSync() {
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}
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private static native void initNativeStubs();
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/**
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* Creates a fence sync object for the specified EGL display and returns
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* a handle to the new object.
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*
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* @param dpy the EGL display
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* @param condition the sync condition
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* @param attrib_list an attribute list (may be null)
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*
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* @return the created fence sync object
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static EGLSyncNV eglCreateFenceSyncNV(EGLDisplay dpy, int condition, IntBuffer attrib_list) throws LWJGLException {
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checkAttribList(attrib_list);
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final long pointer = neglCreateFenceSyncNV(dpy.getPointer(), condition, attrib_list, attrib_list == null ? 0 : attrib_list.position());
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if ( pointer == EGL_NO_SYNC_NV )
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throwEGLError("Failed to create NV fence sync object.");
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return new EGLSyncNV(pointer);
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}
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private static native long neglCreateFenceSyncNV(long dpy_ptr, int condition, IntBuffer attrib_list, int attrib_list_position);
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/**
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* Destroys an existing sync object.
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*
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* @param sync the sync object
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static void eglDestroySyncNV(EGLSyncNV sync) throws LWJGLException {
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if ( !neglDestroySyncNV(sync.getPointer()) )
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throwEGLError("Failed to destroy NV fence sync object.");
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}
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private static native boolean neglDestroySyncNV(long sync_ptr);
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/**
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* Inserts a fence command into the command stream of the bound API's current
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* context and associates it with sync object.
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*
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* @param sync the sync object
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static void eglFenceNV(EGLSyncNV sync) throws LWJGLException {
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if ( !neglFenceNV(sync.getPointer()) )
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throwEGLError("Failed to insert NV fence command.");
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}
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private static native boolean neglFenceNV(long sync_ptr);
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/**
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* Blocks the calling thread until the specified sync object is
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* signaled, or until a specified timeout value expires.
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*
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* @param sync the sync object
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* @param flags the block flags
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* @param timeout the block timeout
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*
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* @return the sync object status
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static int eglClientWaitSyncNV(EGLSyncNV sync, int flags, long timeout) throws LWJGLException {
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final int status = neglClientWaitSyncNV(sync.getPointer(), flags, timeout);
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if ( status == EGL_FALSE )
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throwEGLError("Failed to block on NV fence sync object.");
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return status;
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}
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private static native int neglClientWaitSyncNV(long sync_ptr, int flags, long timeout);
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/**
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* Signals or unsignals the sync object by changing its status to
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* the specified mode.
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*
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* @param sync the sync object
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* @param mode the mode
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static void eglSignalSyncNV(EGLSyncNV sync, int mode) throws LWJGLException {
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if ( !neglSignalSyncNV(sync.getPointer(), mode) )
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throwEGLError("Failed to signal the NV fence sync object.");
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}
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private static native boolean neglSignalSyncNV(long sync_ptr, int mode);
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/**
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* Returns the value of the sync object attribute.
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*
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* @param sync the sync object
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* @param attribute the attribute to query
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*
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* @return the attribute value
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*
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* @throws org.lwjgl.LWJGLException if an EGL error occurs.
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*/
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public static int eglGetSyncAttribNV(EGLSyncNV sync, int attribute) throws LWJGLException {
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final IntBuffer value = APIUtil.getBufferInt();
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if ( !neglGetSyncAttribNV(sync.getPointer(), attribute, value, 0) )
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throwEGLError("Failed to get NV fence sync object attribute.");
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return value.get(0);
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}
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private static native boolean neglGetSyncAttribNV(long sync_ptr, int attribute, IntBuffer value, int value_position);
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} |