diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDynamicLookupHelper.java')
| -rwxr-xr-x | src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDynamicLookupHelper.java | 270 |
1 files changed, 0 insertions, 270 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDynamicLookupHelper.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDynamicLookupHelper.java deleted file mode 100755 index 9e34dc9e9..000000000 --- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDynamicLookupHelper.java +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Copyright (c) 2008 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution 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 Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package com.jogamp.opengl.impl.egl; - -import com.jogamp.common.os.DynamicLookupHelper; -import com.jogamp.common.os.NativeLibrary; -import java.util.*; -import javax.media.nativewindow.*; -import javax.media.opengl.*; -import com.jogamp.opengl.impl.*; -import java.security.*; - -/** - * Abstract implementation of the DynamicLookupHelper for EGL, - * which decouples it's dependencies to EGLDrawableFactory. - * - * Currently two implementations exist, one for ES1 and one for ES2. - */ -public abstract class EGLDynamicLookupHelper implements DynamicLookupHelper { - protected static final boolean DEBUG = com.jogamp.opengl.impl.Debug.debug("EGL"); - protected static final boolean DEBUG_LOOKUP; - - private static final EGLDynamicLookupHelper eglES1DynamicLookupHelper; - private static final EGLDynamicLookupHelper eglES2DynamicLookupHelper; - private List/*<NativeLibrary>*/ glesLibraries; - - static { - AccessControlContext localACC=AccessController.getContext(); - DEBUG_LOOKUP = com.jogamp.opengl.impl.Debug.isPropertyDefined("jogl.debug.DynamicLookup", true, localACC); - - EGLDynamicLookupHelper tmp=null; - try { - tmp = new EGLES1DynamicLookupHelper(); - } catch (GLException gle) { - if(DEBUG) { - gle.printStackTrace(); - } - } - eglES1DynamicLookupHelper = tmp; - - tmp=null; - try { - tmp = new EGLES2DynamicLookupHelper(); - } catch (GLException gle) { - if(DEBUG) { - gle.printStackTrace(); - } - } - eglES2DynamicLookupHelper = tmp; - } - - public static EGLDynamicLookupHelper getDynamicLookupHelper(GLProfile glp) { - if (glp.usesNativeGLES2()) { - if(null==eglES2DynamicLookupHelper) { - throw new GLException("EGLDynamicLookupHelper for ES2 not available"); - } - return eglES2DynamicLookupHelper; - } else if (glp.usesNativeGLES1()) { - if(null==eglES1DynamicLookupHelper) { - throw new GLException("EGLDynamicLookupHelper for ES1 not available"); - } - return eglES1DynamicLookupHelper; - } else { - throw new GLException("Unsupported: "+glp); - } - } - - public static EGLDynamicLookupHelper getDynamicLookupHelper(int esProfile) { - if (2==esProfile) { - if(null==eglES2DynamicLookupHelper) { - throw new GLException("EGLDynamicLookupHelper for ES2 not available"); - } - return eglES2DynamicLookupHelper; - } else if (1==esProfile) { - if(null==eglES1DynamicLookupHelper) { - throw new GLException("EGLDynamicLookupHelper for ES1 not available"); - } - return eglES1DynamicLookupHelper; - } else { - throw new GLException("Unsupported: ES"+esProfile); - } - } - - protected EGLDynamicLookupHelper() { - loadGLESLibrary(getESProfile()); - EGL.resetProcAddressTable(this); - } - - /** Must return the proper ES profile number, 1 for ES1 and 2 for ES2 */ - protected abstract int getESProfile(); - - /** Must return at least one OpenGL ES library name */ - protected abstract List/*<String>*/ getGLESLibNames(); - - /** May return OpenGL ES library name(s) */ - protected List/*<String>*/ getEGLLibNames() { - List/*<String>*/ eglLibNames = new ArrayList(); - - // EGL - eglLibNames.add("EGL"); - // for windows distributions using the 'unlike' lib prefix, - // where our tool does not add it. - eglLibNames.add("libEGL"); - - return eglLibNames; - } - - private NativeLibrary loadFirstAvailable(List/*<String>*/ libNames, ClassLoader loader) { - for (Iterator iter = libNames.iterator(); iter.hasNext(); ) { - NativeLibrary lib = NativeLibrary.open((String) iter.next(), loader, false /*global*/); - if (lib != null) { - return lib; - } - } - return null; - } - - private boolean loadEGLLibrary(ClassLoader loader, List/*<String>*/ eglLibNames) { - NativeLibrary lib = null; - if(null!=eglLibNames && eglLibNames.size()>0) { - // EGL libraries .. - lib = loadFirstAvailable(eglLibNames, loader); - if ( null != lib ) { - glesLibraries.add(lib); - } - } - return null!=lib; - } - - private void loadGLESLibrary(int esProfile) { - List/*<String>*/ glesLibNames = getGLESLibNames(); - List/*<String>*/ eglLibNames = getEGLLibNames(); - boolean eglLoaded = false; - - ClassLoader loader = getClass().getClassLoader(); - NativeLibrary lib = null; - - glesLibraries = new ArrayList(); - - // ES libraries .. - lib = loadFirstAvailable(glesLibNames, loader); - if ( null == lib ) { - /*** FIXME: Have to think about this .. - // try again with EGL loaded first .. - if ( !eglLoaded && loadEGLLibrary(loader, eglLibNames) ) { - eglLoaded = true ; - lib = loadFirstAvailable(glesLibNames, loader); - } - if ( null == lib ) { - throw new GLException("Unable to dynamically load OpenGL ES library for profile ES" + esProfile); - } */ - throw new GLException("Unable to dynamically load OpenGL ES library for profile ES" + esProfile); - } - glesLibraries.add(lib); - - if ( !eglLoaded && !loadEGLLibrary(loader, eglLibNames) ) { - throw new GLException("Unable to dynamically load EGL library for profile ES" + esProfile); - } - - if (esProfile==2) { - GLJNILibLoader.loadES2(); - } else if (esProfile==1) { - GLJNILibLoader.loadES1(); - } else { - throw new GLException("Unsupported: ES"+esProfile); - } - } - - private long dynamicLookupFunctionOnLibs(String glFuncName) { - String funcName=glFuncName; - long addr = dynamicLookupFunctionOnLibsImpl(funcName); - if( 0==addr && NativeWindowFactory.TYPE_WINDOWS.equals(NativeWindowFactory.getNativeWindowType(false)) ) { - // Hack: try some C++ decoration here for Imageon's emulation libraries .. - final int argAlignment=4; // 4 byte alignment of each argument - final int maxArguments=12; // experience .. - for(int arg=0; 0==addr && arg<=maxArguments; arg++) { - funcName = "_"+glFuncName+"@"+(arg*argAlignment); - addr = dynamicLookupFunctionOnLibsImpl(funcName); - } - } - if(DEBUG_LOOKUP) { - if(0!=addr) { - System.err.println("Lookup-Native: "+glFuncName+" / "+funcName+" 0x"+Long.toHexString(addr)); - } else { - System.err.println("Lookup-Native: "+glFuncName+" / "+funcName+" ** FAILED ** "); - } - } - return addr; - } - - private long dynamicLookupFunctionOnLibsImpl(String glFuncName) { - // Look up this function name in all known libraries - for (Iterator iter = glesLibraries.iterator(); iter.hasNext(); ) { - NativeLibrary lib = (NativeLibrary) iter.next(); - long addr = lib.dynamicLookupFunction(glFuncName); - if (addr != 0) { - return addr; - } - } - return 0; - } - - private long eglGetProcAddressHandle = 0; - - public long dynamicLookupFunction(String glFuncName) { - if(null==glFuncName) { - return 0; - } - - // bootstrap eglGetProcAddress - if(0==eglGetProcAddressHandle) { - eglGetProcAddressHandle = dynamicLookupFunctionOnLibs("eglGetProcAddress"); - if(0==eglGetProcAddressHandle) { - GLException e = new GLException("Couldn't find eglGetProcAddress function entry"); - if(DEBUG) { - e.printStackTrace(); - } - throw e; - } - } - - if(glFuncName.equals("eglGetProcAddress")) { - return eglGetProcAddressHandle; - } - - long addr = EGL.eglGetProcAddress(eglGetProcAddressHandle, glFuncName); - if(DEBUG_LOOKUP) { - if(0!=addr) { - System.err.println("Lookup-EGL: <"+glFuncName+"> 0x"+Long.toHexString(addr)); - } - } - if(0==addr) { - addr = dynamicLookupFunctionOnLibs(glFuncName); - } - return addr; - } -} |