216 lines
6.3 KiB
Java
216 lines
6.3 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 org.lwjgl.PointerWrapperAbstract;
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import java.nio.IntBuffer;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.StringTokenizer;
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import static org.lwjgl.opengles.EGL.*;
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/** EGLDisplay wrapper class. */
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public final class EGLDisplay extends PointerWrapperAbstract {
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private int majorVersion;
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private int minorVersion;
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private Set<String> extensions;
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private boolean initialized;
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EGLDisplay(final long pointer) throws LWJGLException {
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super(pointer);
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initialize();
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/*final EGLConfig[] configs = eglGetConfigs(this, null, APIUtil.getBufferInt());
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for ( EGLConfig config : configs ) {
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System.out.println(config);
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System.out.println("");
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}*/
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}
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/**
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* Returns the major EGL version of this EGL display.
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*
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* @return the major EGL version
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*/
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public int getMajorVersion() {
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return majorVersion;
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}
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/**
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* Returns the minor EGL version of this EGL display.
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*
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* @return the minor EGL version
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*/
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public int getMinorVersion() {
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return minorVersion;
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}
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/**
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* Returns true if the specified EGL extension is supported by this EGL display.
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*
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* @param eglExtension the EGL extension
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*
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* @return true if the extension is supported
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*/
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public boolean isExtensionSupported(final String eglExtension) {
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checkInitialized();
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if ( extensions == null ) {
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extensions = new HashSet<String>(16);
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final StringTokenizer tokenizer = new StringTokenizer(eglQueryString(this, EGL_EXTENSIONS));
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while ( tokenizer.hasMoreTokens() )
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extensions.add(tokenizer.nextToken());
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}
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return extensions.contains(eglExtension);
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}
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boolean isInitialized() {
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return initialized;
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}
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private void initialize() throws LWJGLException {
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IntBuffer version = APIUtil.getBufferInt();
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eglInitialize(this, version);
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majorVersion = version.get(0);
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minorVersion = version.get(1);
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initialized = true;
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}
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private void checkInitialized() {
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if ( !initialized )
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throw new IllegalStateException("The EGL display needs to be initialized first.");
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}
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/** Release the resources associated with this EGL display. */
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public void terminate() throws LWJGLException {
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eglTerminate(this);
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majorVersion = 0;
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minorVersion = 0;
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initialized = false;
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}
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/**
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* Returns a string describing some aspect of the EGL implementation running on the specified display.
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*
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* @param name the value to query
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*
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* @return the description
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*/
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public String query(int name) {
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checkInitialized();
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return eglQueryString(this, name);
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}
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int getConfigsNum() throws LWJGLException {
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checkInitialized();
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return eglGetConfigsNum(this);
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}
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EGLConfig[] getConfigs(EGLConfig[] configs, IntBuffer num_config) throws LWJGLException {
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checkInitialized();
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return eglGetConfigs(this, configs, num_config);
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}
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int getConfigNum(IntBuffer attrib_list) throws LWJGLException {
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checkInitialized();
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return eglChooseConfigNum(this, attrib_list);
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}
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/** Returns the available EGL configs on this display that satisfy the specified list of attributes. */
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public EGLConfig[] chooseConfig(IntBuffer attrib_list, EGLConfig[] configs, IntBuffer num_config) throws LWJGLException {
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checkInitialized();
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return eglChooseConfig(this, attrib_list, configs, num_config);
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}
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/**
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* Creates an on-screen rendering surface on this EGL display.
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*
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* @param config the EGL config
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* @param window the native window handle
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* @param attrib_list an attribute list (may be null)
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*
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* @return the EGL surface
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*/
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public EGLSurface createWindowSurface(EGLConfig config, long window, IntBuffer attrib_list) throws LWJGLException {
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checkInitialized();
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if ( config.getDisplay() != this )
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throw new IllegalArgumentException("Invalid EGL config specified.");
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return eglCreateWindowSurface(this, config, window, attrib_list);
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}
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EGLSurface createPbufferSurface(EGLConfig config, IntBuffer attrib_list) throws LWJGLException {
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checkInitialized();
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if ( config.getDisplay() != this )
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throw new IllegalArgumentException("Invalid EGL config specified.");
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return eglCreatePbufferSurface(this, config, attrib_list);
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}
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public EGLContext createContext(EGLConfig config, EGLContext shareContext, IntBuffer attrib_list) throws LWJGLException {
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checkInitialized();
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if ( config.getDisplay() != this )
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throw new IllegalStateException("Invalid EGL config specified.");
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if ( shareContext != null && shareContext.getDisplay() != this )
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throw new IllegalStateException("Invalid shared EGL context specified.");
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return eglCreateContext(this, config, shareContext, attrib_list);
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}
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public void setSwapInterval(final int interval) throws LWJGLException {
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eglSwapInterval(this, interval);
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}
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public boolean equals(final Object obj) {
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if ( obj == null || !(obj instanceof EGLDisplay) )
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return false;
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return getPointer() == ((EGLDisplay)obj).getPointer();
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}
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} |