/*
* 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.sun.opengl.impl.egl;
import java.util.*;
import javax.media.nativewindow.*;
import javax.media.nativewindow.egl.*;
import javax.media.opengl.*;
import com.sun.opengl.impl.*;
import com.jogamp.gluegen.runtime.NativeLibrary;
public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration implements Cloneable {
protected static final boolean DEBUG = Debug.debug("GraphicsConfiguration");
public _EGLConfig getNativeConfig() {
return _config;
}
public int getNativeConfigID() {
return configID;
}
public EGLGraphicsConfiguration(AbstractGraphicsScreen absScreen,
GLCapabilities capsChosen, GLCapabilities capsRequested, GLCapabilitiesChooser chooser,
_EGLConfig cfg, int cfgID) {
super(absScreen, capsChosen, capsRequested);
this.chooser = chooser;
_config = cfg;
configID = cfgID;
}
public static EGLGraphicsConfiguration create(GLCapabilities capsRequested, AbstractGraphicsScreen absScreen, int cfgID) {
AbstractGraphicsDevice absDevice = absScreen.getDevice();
if(null==absDevice || !(absDevice instanceof EGLGraphicsDevice)) {
throw new GLException("GraphicsDevice must be a valid EGLGraphicsDevice");
}
long dpy = absDevice.getHandle();
if (dpy == EGL.EGL_NO_DISPLAY) {
throw new GLException("Invalid EGL display: "+absDevice);
}
GLProfile glp = capsRequested.getGLProfile();
_EGLConfig _cfg = EGLConfigId2EGLConfig(glp, dpy, cfgID);
GLCapabilities caps = EGLConfig2Capabilities(glp, dpy, _cfg, false, capsRequested.isOnscreen(), capsRequested.isPBuffer());
return new EGLGraphicsConfiguration(absScreen, caps, capsRequested, new DefaultGLCapabilitiesChooser(), _cfg, cfgID);
}
public Object clone() {
return super.clone();
}
protected void updateGraphicsConfiguration() {
EGLGraphicsConfiguration newConfig = (EGLGraphicsConfiguration)
GraphicsConfigurationFactory.getFactory(getScreen().getDevice()).chooseGraphicsConfiguration(getRequestedCapabilities(),
chooser,
getScreen());
if(null!=newConfig) {
// FIXME: setScreen( ... );
setChosenCapabilities(newConfig.getChosenCapabilities());
_config = newConfig.getNativeConfig();
configID = newConfig.getNativeConfigID();
if(DEBUG) {
System.err.println("!!! updateGraphicsConfiguration: "+this);
}
}
}
public static _EGLConfig EGLConfigId2EGLConfig(GLProfile glp, long display, int configID) {
int[] attrs = new int[] {
EGL.EGL_CONFIG_ID, configID,
EGL.EGL_NONE
};
_EGLConfig[] configs = new _EGLConfig[1];
int[] numConfigs = new int[1];
if (!EGL.eglChooseConfig(display,
attrs, 0,
configs, 1,
numConfigs, 0)) {
return null;
}
if (numConfigs[0] == 0) {
return null;
}
return configs[0];
}
public static boolean EGLConfigDrawableTypeVerify(int val, boolean onscreen, boolean usePBuffer) {
boolean res;
if ( onscreen ) {
res = ( 0 != (val & EGL.EGL_WINDOW_BIT) ) ;
} else {
res = ( 0 != (val & EGL.EGL_PIXMAP_BIT) ) || usePBuffer ;
}
if ( usePBuffer ) {
res = res && ( 0 != (val & EGL.EGL_PBUFFER_BIT) ) ;
}
return res;
}
public static GLCapabilities EGLConfig2Capabilities(GLProfile glp, long display, _EGLConfig _config,
boolean relaxed, boolean onscreen, boolean usePBuffer) {
GLCapabilities caps = new GLCapabilities(glp);
int[] val = new int[1];
// Read the actual configuration into the choosen caps
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_RED_SIZE, val, 0)) {
caps.setRedBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_GREEN_SIZE, val, 0)) {
caps.setGreenBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_BLUE_SIZE, val, 0)) {
caps.setBlueBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_ALPHA_SIZE, val, 0)) {
caps.setAlphaBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_STENCIL_SIZE, val, 0)) {
caps.setStencilBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_DEPTH_SIZE, val, 0)) {
caps.setDepthBits(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_SAMPLES, val, 0)) {
caps.setSampleBuffers(val[0]>0?true:false);
caps.setNumSamples(val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_TRANSPARENT_TYPE, val, 0)) {
caps.setBackgroundOpaque(val[0] != EGL.EGL_TRANSPARENT_RGB);
}
if(!caps.isBackgroundOpaque()) {
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_TRANSPARENT_RED_VALUE, val, 0)) {
caps.setTransparentRedValue(val[0]==EGL.EGL_DONT_CARE?-1:val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_TRANSPARENT_GREEN_VALUE, val, 0)) {
caps.setTransparentGreenValue(val[0]==EGL.EGL_DONT_CARE?-1:val[0]);
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_TRANSPARENT_BLUE_VALUE, val, 0)) {
caps.setTransparentBlueValue(val[0]==EGL.EGL_DONT_CARE?-1:val[0]);
}
/** Not defined in EGL
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_TRANSPARENT_ALPHA_VALUE, val, 0)) {
caps.setTransparentAlphaValue(val[0]==EGL.EGL_DONT_CARE?-1:val[0]);
} */
}
if(EGL.eglGetConfigAttrib(display, _config, EGL.EGL_SURFACE_TYPE, val, 0)) {
if(EGLConfigDrawableTypeVerify(val[0], onscreen, usePBuffer)) {
caps.setDoubleBuffered(onscreen);
caps.setOnscreen(onscreen);
caps.setPBuffer(usePBuffer);
} else if(relaxed) {
caps.setDoubleBuffered( 0 != (val[0] & EGL.EGL_WINDOW_BIT) );
caps.setOnscreen( 0 != (val[0] & EGL.EGL_WINDOW_BIT) );
caps.setPBuffer ( 0 != (val[0] & EGL.EGL_PBUFFER_BIT) );
} else {
throw new GLException("EGL_SURFACE_TYPE does not match !!!");
}
} else {
if(relaxed) {
if(DEBUG) {
System.err.println("Could not determine EGL_SURFACE_TYPE !!!");
}
return null;
} else {
throw new GLException("Could not determine EGL_SURFACE_TYPE !!!");
}
}
return caps;
}
public static int[] GLCapabilities2AttribList(GLCapabilities caps) {
int[] attrs = new int[32];
int idx=0;
attrs[idx++] = EGL.EGL_SURFACE_TYPE;
attrs[idx++] = caps.isOnscreen() ? ( EGL.EGL_WINDOW_BIT ) : ( caps.isPBuffer() ? EGL.EGL_PBUFFER_BIT : EGL.EGL_PIXMAP_BIT ) ;
attrs[idx++] = EGL.EGL_RED_SIZE;
attrs[idx++] = caps.getRedBits();
attrs[idx++] = EGL.EGL_GREEN_SIZE;
attrs[idx++] = caps.getGreenBits();
attrs[idx++] = EGL.EGL_BLUE_SIZE;
attrs[idx++] = caps.getBlueBits();
attrs[idx++] = EGL.EGL_ALPHA_SIZE;
attrs[idx++] = caps.getAlphaBits() > 0 ? caps.getAlphaBits() : EGL.EGL_DONT_CARE;
attrs[idx++] = EGL.EGL_STENCIL_SIZE;
attrs[idx++] = caps.getStencilBits() > 0 ? caps.getStencilBits() : EGL.EGL_DONT_CARE;
attrs[idx++] = EGL.EGL_DEPTH_SIZE;
attrs[idx++] = caps.getDepthBits();
attrs[idx++] = EGL.EGL_SAMPLES;
attrs[idx++] = caps.getSampleBuffers() ? caps.getNumSamples() : 1;
attrs[idx++] = EGL.EGL_TRANSPARENT_TYPE;
attrs[idx++] = caps.isBackgroundOpaque() ? EGL.EGL_NONE : EGL.EGL_TRANSPARENT_TYPE;
// 20
if(!caps.isBackgroundOpaque()) {
attrs[idx++] = EGL.EGL_TRANSPARENT_RED_VALUE;
attrs[idx++] = caps.getTransparentRedValue()>=0?caps.getTransparentRedValue():EGL.EGL_DONT_CARE;
attrs[idx++] = EGL.EGL_TRANSPARENT_GREEN_VALUE;
attrs[idx++] = caps.getTransparentGreenValue()>=0?caps.getTransparentGreenValue():EGL.EGL_DONT_CARE;
attrs[idx++] = EGL.EGL_TRANSPARENT_BLUE_VALUE;
attrs[idx++] = caps.getTransparentBlueValue()>=0?caps.getTransparentBlueValue():EGL.EGL_DONT_CARE;
/** Not define in EGL
attrs[idx++] = EGL.EGL_TRANSPARENT_ALPHA_VALUE;
attrs[idx++] = caps.getTransparentAlphaValue()>=0?caps.getTransparentAlphaValue():EGL.EGL_DONT_CARE; */
}
// 26
attrs[idx++] = EGL.EGL_RENDERABLE_TYPE;
if(caps.getGLProfile().usesNativeGLES1()) {
attrs[idx++] = EGL.EGL_OPENGL_ES_BIT;
}
else if(caps.getGLProfile().usesNativeGLES2()) {
attrs[idx++] = EGL.EGL_OPENGL_ES2_BIT;
} else {
attrs[idx++] = EGL.EGL_OPENGL_BIT;
}
// 28
attrs[idx++] = EGL.EGL_NONE;
return attrs;
}
public static int[] CreatePBufferSurfaceAttribList(int width, int height, int texFormat) {
int[] attrs = new int[16];
int idx=0;
attrs[idx++] = EGL.EGL_WIDTH;
attrs[idx++] = width;
attrs[idx++] = EGL.EGL_HEIGHT;
attrs[idx++] = height;
attrs[idx++] = EGL.EGL_TEXTURE_FORMAT;
attrs[idx++] = texFormat;
attrs[idx++] = EGL.EGL_TEXTURE_TARGET;
attrs[idx++] = EGL.EGL_NO_TEXTURE==texFormat ? EGL.EGL_NO_TEXTURE : EGL.EGL_TEXTURE_2D;
attrs[idx++] = EGL.EGL_NONE;
return attrs;
}
public String toString() {
return getClass().toString()+"["+getScreen()+", eglConfigID 0x"+Integer.toHexString(configID)+
",\n\trequested " + getRequestedCapabilities()+
",\n\tchosen " + getChosenCapabilities()+
"]";
}
private GLCapabilitiesChooser chooser;
private _EGLConfig _config;
private int configID;
}