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/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. 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.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package jogamp.opengl.macosx.cgl;
import java.nio.Buffer;
import java.nio.FloatBuffer;
import java.nio.ShortBuffer;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import com.jogamp.nativewindow.AbstractGraphicsDevice;
import com.jogamp.nativewindow.AbstractGraphicsScreen;
import com.jogamp.nativewindow.DefaultGraphicsScreen;
import com.jogamp.nativewindow.NativeSurface;
import com.jogamp.nativewindow.ProxySurface;
import com.jogamp.nativewindow.UpstreamSurfaceHook;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.GLCapabilities;
import com.jogamp.opengl.GLCapabilitiesChooser;
import com.jogamp.opengl.GLCapabilitiesImmutable;
import com.jogamp.opengl.GLContext;
import com.jogamp.opengl.GLDrawable;
import com.jogamp.opengl.GLException;
import com.jogamp.opengl.GLProfile;
import jogamp.nativewindow.WrappedSurface;
import jogamp.nativewindow.macosx.OSXDummyUpstreamSurfaceHook;
import jogamp.opengl.DesktopGLDynamicLookupHelper;
import jogamp.opengl.GLContextImpl;
import jogamp.opengl.GLDrawableFactoryImpl;
import jogamp.opengl.GLDrawableImpl;
import jogamp.opengl.GLDynamicLookupHelper;
import jogamp.opengl.GLGraphicsConfigurationUtil;
import jogamp.opengl.SharedResourceRunner;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.util.ReflectionUtil;
import com.jogamp.nativewindow.GenericUpstreamSurfacelessHook;
import com.jogamp.nativewindow.MutableGraphicsConfiguration;
import com.jogamp.nativewindow.macosx.MacOSXGraphicsDevice;
import com.jogamp.opengl.GLExtensions;
import com.jogamp.opengl.GLRendererQuirks;
public class MacOSXCGLDrawableFactory extends GLDrawableFactoryImpl {
private static final boolean DEBUG_SHAREDCTX = DEBUG || GLContext.DEBUG;
private static DesktopGLDynamicLookupHelper macOSXCGLDynamicLookupHelper = null;
public MacOSXCGLDrawableFactory() {
super();
synchronized(MacOSXCGLDrawableFactory.class) {
if(null==macOSXCGLDynamicLookupHelper) {
DesktopGLDynamicLookupHelper tmp = null;
try {
tmp = new DesktopGLDynamicLookupHelper(new MacOSXCGLDynamicLibraryBundleInfo());
} catch (final GLException gle) {
if(DEBUG) {
gle.printStackTrace();
}
}
if(null!=tmp && tmp.isLibComplete()) {
macOSXCGLDynamicLookupHelper = tmp;
/** FIXME ??
CGL.getCGLProcAddressTable().reset(macOSXCGLDynamicLookupHelper);
*/
}
}
}
defaultDevice = new MacOSXGraphicsDevice(AbstractGraphicsDevice.DEFAULT_UNIT);
if(null!=macOSXCGLDynamicLookupHelper) {
// Register our GraphicsConfigurationFactory implementations
// The act of constructing them causes them to be registered
MacOSXCGLGraphicsConfigurationFactory.registerFactory();
if(GLProfile.isAWTAvailable()) {
try {
ReflectionUtil.callStaticMethod("jogamp.opengl.macosx.cgl.awt.MacOSXAWTCGLGraphicsConfigurationFactory",
"registerFactory", null, null, getClass().getClassLoader());
} catch (final Exception jre) { /* n/a .. */ }
}
sharedMap = new HashMap();
}
}
@Override
protected final boolean isComplete() {
return null != macOSXCGLDynamicLookupHelper;
}
@Override
protected final void shutdownImpl() {
if( DEBUG ) {
System.err.println("MacOSXCGLDrawableFactory.shutdown");
}
if(null != sharedMap) {
sharedMap.clear();
sharedMap = null;
}
defaultDevice = null;
/**
* Pulling away the native library may cause havoc ..
*
macOSXCGLDynamicLookupHelper.destroy();
*/
macOSXCGLDynamicLookupHelper = null;
}
@Override
public GLDynamicLookupHelper getGLDynamicLookupHelper(final String profileName) {
return macOSXCGLDynamicLookupHelper;
}
private HashMap sharedMap = new HashMap();
private MacOSXGraphicsDevice defaultDevice;
static class SharedResource implements SharedResourceRunner.Resource {
// private MacOSXCGLDrawable drawable;
// private MacOSXCGLContext context;
private final GLRendererQuirks glRendererQuirks;
MacOSXGraphicsDevice device;
boolean valid;
boolean hasNPOTTextures;
boolean hasRECTTextures;
boolean hasAppleFloatPixels;
SharedResource(final MacOSXGraphicsDevice device, final boolean valid,
final boolean hasNPOTTextures, final boolean hasRECTTextures, final boolean hasAppletFloatPixels
/* MacOSXCGLDrawable draw, MacOSXCGLContext ctx */, final GLRendererQuirks glRendererQuirks) {
// drawable = draw;
// this.context = ctx;
this.glRendererQuirks = glRendererQuirks;
this.device = device;
this.valid = valid;
this.hasNPOTTextures = hasNPOTTextures;
this.hasRECTTextures = hasRECTTextures;
this.hasAppleFloatPixels = hasAppletFloatPixels;
}
@Override
public final boolean isAvailable() {
return valid;
}
@Override
public final MacOSXGraphicsDevice getDevice() { return device; }
// final MacOSXCGLContext getContext() { return context; }
final boolean isNPOTTextureAvailable() { return hasNPOTTextures; }
final boolean isRECTTextureAvailable() { return hasRECTTextures; }
final boolean isAppleFloatPixelsAvailable() { return hasAppleFloatPixels; }
@Override
public final AbstractGraphicsScreen getScreen() {
return null;
}
@Override
public final GLDrawableImpl getDrawable() {
return null;
}
@Override
public GLContextImpl getContext() {
return null;
}
@Override
public GLRendererQuirks getRendererQuirks(final GLProfile glp) {
return glRendererQuirks;
}
}
@Override
public final AbstractGraphicsDevice getDefaultDevice() {
return defaultDevice;
}
@Override
public final boolean getIsDeviceCompatible(final AbstractGraphicsDevice device) {
if(null!=macOSXCGLDynamicLookupHelper && device instanceof MacOSXGraphicsDevice) {
return true;
}
return false;
}
private final HashSet devicesTried = new HashSet();
private boolean getDeviceTried(final String connection) {
synchronized (devicesTried) {
return devicesTried.contains(connection);
}
}
private void addDeviceTried(final String connection) {
synchronized (devicesTried) {
devicesTried.add(connection);
}
}
private void removeDeviceTried(final String connection) {
synchronized (devicesTried) {
devicesTried.remove(connection);
}
}
@Override
protected final SharedResource getOrCreateSharedResourceImpl(final AbstractGraphicsDevice adevice) {
final String connection = adevice.getConnection();
SharedResource sr;
synchronized(sharedMap) {
sr = sharedMap.get(connection);
}
if(null==sr && !getDeviceTried(connection)) {
addDeviceTried(connection);
final MacOSXGraphicsDevice device = new MacOSXGraphicsDevice(adevice.getUnitID());
GLDrawable drawable = null;
GLDrawable zeroDrawable = null;
GLContextImpl context = null;
boolean contextIsCurrent = false;
device.lock();
try {
final GLProfile glp = GLProfile.get(device, GLProfile.GL_PROFILE_LIST_MIN_DESKTOP, false);
if (null == glp) {
throw new GLException("Couldn't get default GLProfile for device: "+device);
}
final GLCapabilitiesImmutable caps = new GLCapabilities(glp);
drawable = createOnscreenDrawableImpl(createDummySurfaceImpl(device, false, caps, caps, null, 64, 64));
drawable.setRealized(true);
context = (MacOSXCGLContext) drawable.createContext(null);
if (null == context) {
throw new GLException("Couldn't create shared context for drawable: "+drawable);
}
contextIsCurrent = GLContext.CONTEXT_NOT_CURRENT != context.makeCurrent();
final boolean allowsSurfacelessCtx;
final boolean hasNPOTTextures;
final boolean hasRECTTextures;
final boolean hasAppleFloatPixels;
final GLRendererQuirks glRendererQuirks;
if( contextIsCurrent ) {
// We allow probing surfaceless for even the compatible 2.1 context,
// which we probably have right here - since OSX may support this.
// Otherwise, we cannot map the quirk to the device.
if( probeSurfacelessCtx(context, false /* restoreDrawable */) ) {
allowsSurfacelessCtx = true;
zeroDrawable = context.getGLDrawable();
} else {
allowsSurfacelessCtx = false;
}
final GL gl = context.getGL();
hasNPOTTextures = gl.isNPOTTextureAvailable();
hasRECTTextures = gl.isExtensionAvailable(GLExtensions.EXT_texture_rectangle);
hasAppleFloatPixels = gl.isExtensionAvailable(GLExtensions.APPLE_float_pixels);
glRendererQuirks = context.getRendererQuirks();
} else {
allowsSurfacelessCtx = false;
hasNPOTTextures = false;
hasRECTTextures = false;
hasAppleFloatPixels = false;
glRendererQuirks = null;
}
sr = new SharedResource(device, contextIsCurrent, hasNPOTTextures, hasRECTTextures, hasAppleFloatPixels, glRendererQuirks);
if ( DEBUG_SHAREDCTX ) {
System.err.println("SharedDevice: " + device);
System.err.println("SharedContext: " + context + ", madeCurrent " + contextIsCurrent);
System.err.println(" NPOT "+hasNPOTTextures+", RECT "+hasRECTTextures+", FloatPixels "+hasAppleFloatPixels);
System.err.println(" allowsSurfacelessCtx "+allowsSurfacelessCtx);
System.err.println(" glRendererQuirks "+glRendererQuirks);
}
synchronized(sharedMap) {
sharedMap.put(connection, sr);
}
} catch (final Throwable t) {
throw new GLException("MacOSXCGLDrawableFactory - Could not initialize shared resources for "+adevice, t);
} finally {
if( null != context ) {
try {
context.destroy();
} catch (final GLException gle) {
if ( DEBUG_SHAREDCTX ) {
System.err.println("MacOSXCGLDrawableFactory.createShared: INFO: destroy caught exception:");
gle.printStackTrace();
}
}
}
if( null != zeroDrawable ) {
zeroDrawable.setRealized(false);
}
if( null != drawable ) {
drawable.setRealized(false);
}
device.unlock();
removeDeviceTried(connection);
}
}
return sr;
}
@Override
protected final Thread getSharedResourceThread() {
return null;
}
@Override
protected List getAvailableCapabilitiesImpl(final AbstractGraphicsDevice device) {
return MacOSXCGLGraphicsConfiguration.getAvailableCapabilities(this, device);
}
@Override
protected GLDrawableImpl createOnscreenDrawableImpl(final NativeSurface target) {
if (target == null) {
throw new IllegalArgumentException("Null target");
}
return new MacOSXOnscreenCGLDrawable(this, target);
}
@Override
protected GLDrawableImpl createOffscreenDrawableImpl(final NativeSurface target) {
final MutableGraphicsConfiguration config = (MutableGraphicsConfiguration) target.getGraphicsConfiguration();
final GLCapabilitiesImmutable caps = (GLCapabilitiesImmutable) config.getChosenCapabilities();
if(!caps.isPBuffer()) {
// Actual implementation is using PBuffer ...
final GLCapabilities modCaps = (GLCapabilities) caps.cloneMutable();
modCaps.setPBuffer(true);
modCaps.setBitmap(false);
config.setChosenCapabilities(modCaps);
return new MacOSXOffscreenCGLDrawable(this, target);
}
return new MacOSXPbufferCGLDrawable(this, target);
}
@Override
public boolean canCreateGLPbuffer(final AbstractGraphicsDevice device, final GLProfile glp) {
if( glp.isGL2() ) {
// OSX only supports pbuffer w/ compatible, non-core, context.
return true;
} else {
return false;
}
}
@Override
protected ProxySurface createMutableSurfaceImpl(final AbstractGraphicsDevice deviceReq, final boolean createNewDevice,
final GLCapabilitiesImmutable capsChosen, final GLCapabilitiesImmutable capsRequested,
final GLCapabilitiesChooser chooser, final UpstreamSurfaceHook upstreamHook) {
final MacOSXGraphicsDevice device;
if( createNewDevice || !(deviceReq instanceof MacOSXGraphicsDevice) ) {
device = new MacOSXGraphicsDevice(deviceReq.getUnitID());
} else {
device = (MacOSXGraphicsDevice)deviceReq;
}
final AbstractGraphicsScreen screen = new DefaultGraphicsScreen(device, 0);
final MacOSXCGLGraphicsConfiguration config = MacOSXCGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(capsChosen, capsRequested, chooser, screen, true);
if(null == config) {
throw new GLException("Choosing GraphicsConfiguration failed w/ "+capsChosen+" on "+screen);
}
return new WrappedSurface(config, 0, upstreamHook, createNewDevice);
}
@Override
public final ProxySurface createDummySurfaceImpl(final AbstractGraphicsDevice deviceReq, final boolean createNewDevice,
GLCapabilitiesImmutable chosenCaps, final GLCapabilitiesImmutable requestedCaps, final GLCapabilitiesChooser chooser, final int width, final int height) {
chosenCaps = GLGraphicsConfigurationUtil.fixOnscreenGLCapabilities(chosenCaps);
return createMutableSurfaceImpl(deviceReq, createNewDevice, chosenCaps, requestedCaps, chooser,
new OSXDummyUpstreamSurfaceHook(width, height));
}
@Override
public final ProxySurface createSurfacelessImpl(final AbstractGraphicsDevice deviceReq, final boolean createNewDevice,
GLCapabilitiesImmutable chosenCaps, final GLCapabilitiesImmutable requestedCaps, final GLCapabilitiesChooser chooser, final int width, final int height) {
chosenCaps = GLGraphicsConfigurationUtil.fixOnscreenGLCapabilities(chosenCaps);
return createMutableSurfaceImpl(deviceReq, createNewDevice, chosenCaps, requestedCaps, chooser, new GenericUpstreamSurfacelessHook(width, height));
}
@Override
protected ProxySurface createProxySurfaceImpl(final AbstractGraphicsDevice deviceReq, final int screenIdx, final long windowHandle, final GLCapabilitiesImmutable capsRequested, final GLCapabilitiesChooser chooser, final UpstreamSurfaceHook upstream) {
final MacOSXGraphicsDevice device = new MacOSXGraphicsDevice(deviceReq.getUnitID());
final AbstractGraphicsScreen screen = new DefaultGraphicsScreen(device, screenIdx);
final MacOSXCGLGraphicsConfiguration config = MacOSXCGLGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(capsRequested, capsRequested, chooser, screen, true);
return new WrappedSurface(config, windowHandle, upstream, true);
}
@Override
protected GLContext createExternalGLContextImpl() {
return MacOSXExternalCGLContext.create(this);
}
@Override
public boolean canCreateExternalGLDrawable(final AbstractGraphicsDevice device) {
return false;
}
@Override
protected GLDrawable createExternalGLDrawableImpl() {
// FIXME
throw new GLException("Not yet implemented");
}
//------------------------------------------------------
// Gamma-related functionality
//
private static final int GAMMA_RAMP_LENGTH = 256;
/** Returns the length of the computed gamma ramp for this OS and
hardware. Returns 0 if gamma changes are not supported. */
@Override
protected int getGammaRampLength(final NativeSurface surface) {
return GAMMA_RAMP_LENGTH;
}
@Override
protected boolean setGammaRamp(final NativeSurface surface, final float[] ramp) {
final FloatBuffer rampNIO = Buffers.newDirectFloatBuffer(ramp);
return CGL.setGammaRamp(ramp.length, rampNIO, rampNIO, rampNIO);
}
@Override
protected Buffer getGammaRamp(final NativeSurface surface) {
return ShortBuffer.allocate(0); // return a dummy gamma ramp default for reset
}
@Override
protected void resetGammaRamp(final NativeSurface surface, final Buffer originalGammaRamp) {
CGL.resetGammaRamp();
}
@Override
protected final void resetGammaRamp(final DeviceScreenID deviceScreenID, final Buffer originalGammaRamp) {
CGL.resetGammaRamp();
}
}
