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authorSven Gothel <[email protected]>2010-03-30 02:01:15 +0200
committerSven Gothel <[email protected]>2010-03-30 02:01:15 +0200
commit1a2a54a83a9adb95b4bfe9c337751acbef0cb0d3 (patch)
tree70eaf25d06284c2d71db7d51a5efdf7f18607be2 /src/jogl
parentb3f2ab84401efef233c0038f004a9f210cbe83fc (diff)
Adaptions to
http://www.jogamp.org/bugzilla/show_bug.cgi?id=392 7220416bcef3140883d3966d921442feae3107c4
Diffstat (limited to 'src/jogl')
-rwxr-xr-xsrc/jogl/classes/com/jogamp/opengl/impl/egl/EGLContext.java4
-rwxr-xr-xsrc/jogl/classes/com/jogamp/opengl/impl/egl/EGLDrawable.java2
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfiguration.java57
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfigurationFactory.java20
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java2
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/egl/EGLPbufferDrawable.java2
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLContext.java15
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLDrawable.java7
-rw-r--r--src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsOffscreenWGLDrawable.java2
9 files changed, 58 insertions, 53 deletions
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLContext.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLContext.java
index 42d4588b5..ec2677559 100755
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLContext.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLContext.java
@@ -158,13 +158,13 @@ public abstract class EGLContext extends GLContextImpl {
long eglDisplay = ((EGLDrawable)drawable).getDisplay();
EGLGraphicsConfiguration config = ((EGLDrawable)drawable).getGraphicsConfiguration();
GLProfile glProfile = drawable.getGLProfile();
- _EGLConfig eglConfig = config.getNativeConfig();
+ long eglConfig = config.getNativeConfig();
long shareWith = EGL.EGL_NO_CONTEXT;
if (eglDisplay == 0) {
throw new GLException("Error: attempted to create an OpenGL context without a display connection");
}
- if (eglConfig == null) {
+ if (eglConfig == 0) {
throw new GLException("Error: attempted to create an OpenGL context without a graphics configuration");
}
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDrawable.java
index f3695ed16..db5ee6ac6 100755
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLDrawable.java
@@ -75,7 +75,7 @@ public abstract class EGLDrawable extends GLDrawableImpl {
public abstract GLContext createContext(GLContext shareWith);
- protected abstract long createSurface(long eglDpy, _EGLConfig eglNativeCfg, long surfaceHandle);
+ protected abstract long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle);
private void recreateSurface() {
// create a new EGLSurface ..
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfiguration.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfiguration.java
index 33f9db140..43c99a422 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfiguration.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfiguration.java
@@ -41,12 +41,13 @@ import javax.media.nativewindow.egl.*;
import javax.media.opengl.*;
import com.jogamp.opengl.impl.*;
import com.jogamp.gluegen.runtime.NativeLibrary;
+import com.jogamp.gluegen.runtime.PointerBuffer;
public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration implements Cloneable {
protected static final boolean DEBUG = Debug.debug("GraphicsConfiguration");
- public _EGLConfig getNativeConfig() {
- return _config;
+ public long getNativeConfig() {
+ return config;
}
public int getNativeConfigID() {
@@ -55,10 +56,10 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
public EGLGraphicsConfiguration(AbstractGraphicsScreen absScreen,
GLCapabilities capsChosen, GLCapabilities capsRequested, GLCapabilitiesChooser chooser,
- _EGLConfig cfg, int cfgID) {
+ long cfg, int cfgID) {
super(absScreen, capsChosen, capsRequested);
this.chooser = chooser;
- _config = cfg;
+ config = cfg;
configID = cfgID;
}
@@ -72,9 +73,9 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
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);
+ long 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() {
@@ -89,7 +90,7 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
if(null!=newConfig) {
// FIXME: setScreen( ... );
setChosenCapabilities(newConfig.getChosenCapabilities());
- _config = newConfig.getNativeConfig();
+ config = newConfig.getNativeConfig();
configID = newConfig.getNativeConfigID();
if(DEBUG) {
System.err.println("!!! updateGraphicsConfiguration: "+this);
@@ -97,23 +98,23 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
}
}
- public static _EGLConfig EGLConfigId2EGLConfig(GLProfile glp, long display, int configID) {
+ public static long EGLConfigId2EGLConfig(GLProfile glp, long display, int configID) {
int[] attrs = new int[] {
EGL.EGL_CONFIG_ID, configID,
EGL.EGL_NONE
};
- _EGLConfig[] configs = new _EGLConfig[1];
+ PointerBuffer configs = PointerBuffer.allocateDirect(1);
int[] numConfigs = new int[1];
if (!EGL.eglChooseConfig(display,
attrs, 0,
configs, 1,
numConfigs, 0)) {
- return null;
+ return 0;
}
if (numConfigs[0] == 0) {
- return null;
+ return 0;
}
- return configs[0];
+ return configs.get(0);
}
public static boolean EGLConfigDrawableTypeVerify(int val, boolean onscreen, boolean usePBuffer) {
@@ -131,53 +132,53 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
return res;
}
- public static GLCapabilities EGLConfig2Capabilities(GLProfile glp, long display, _EGLConfig _config,
+ public static GLCapabilities EGLConfig2Capabilities(GLProfile glp, long display, long 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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)) {
+ 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(EGL.eglGetConfigAttrib(display, config, EGL.EGL_SURFACE_TYPE, val, 0)) {
if(EGLConfigDrawableTypeVerify(val[0], onscreen, usePBuffer)) {
caps.setDoubleBuffered(onscreen);
caps.setOnscreen(onscreen);
@@ -300,7 +301,7 @@ public class EGLGraphicsConfiguration extends DefaultGraphicsConfiguration imple
}
private GLCapabilitiesChooser chooser;
- private _EGLConfig _config;
+ private long config;
private int configID;
}
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfigurationFactory.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfigurationFactory.java
index 0a9edd239..f315a514c 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfigurationFactory.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLGraphicsConfigurationFactory.java
@@ -40,6 +40,8 @@ import com.jogamp.nativewindow.impl.*;
import javax.media.opengl.*;
import com.jogamp.opengl.impl.*;
+import com.jogamp.gluegen.runtime.PointerBuffer;
+
/** Subclass of GraphicsConfigurationFactory used when non-AWT tookits
are used on X11 platforms. Toolkits will likely need to delegate
to this one to change the accepted and returned types of the
@@ -115,10 +117,10 @@ public class EGLGraphicsConfigurationFactory extends GraphicsConfigurationFactor
chooser = new DefaultGLCapabilitiesChooser();
}
- _EGLConfig[] configs = new _EGLConfig[10];
+ PointerBuffer configs = PointerBuffer.allocateDirect(10);
int[] numConfigs = new int[1];
- if(!EGL.eglGetConfigs(eglDisplay, configs, configs.length, numConfigs, 0)) {
+ if(!EGL.eglGetConfigs(eglDisplay, configs, configs.capacity(), numConfigs, 0)) {
throw new GLException("Graphics configuration fetch (eglGetConfigs) failed");
}
if (numConfigs[0] == 0) {
@@ -205,11 +207,11 @@ public class EGLGraphicsConfigurationFactory extends GraphicsConfigurationFactor
AbstractGraphicsScreen absScreen) {
GLProfile glp = capsChosen0.getGLProfile();
int[] attrs = EGLGraphicsConfiguration.GLCapabilities2AttribList(capsChosen0);
- _EGLConfig[] configs = new _EGLConfig[1];
+ PointerBuffer configs = PointerBuffer.allocateDirect(1);
int[] numConfigs = new int[1];
if (!EGL.eglChooseConfig(eglDisplay,
attrs, 0,
- configs, configs.length,
+ configs, configs.capacity(),
numConfigs, 0)) {
throw new GLException("Graphics configuration selection (eglChooseConfig) failed for "+capsChosen0);
}
@@ -222,14 +224,14 @@ public class EGLGraphicsConfigurationFactory extends GraphicsConfigurationFactor
}
int[] val = new int[1];
// get the configID
- if(!EGL.eglGetConfigAttrib(eglDisplay, configs[0], EGL.EGL_CONFIG_ID, val, 0)) {
+ if(!EGL.eglGetConfigAttrib(eglDisplay, configs.get(0), EGL.EGL_CONFIG_ID, val, 0)) {
if(DEBUG) {
// FIXME: this happens on a ATI PC Emulation ..
System.err.println("EGL couldn't retrieve ConfigID for already chosen eglConfig "+capsChosen0+", error 0x"+Integer.toHexString(EGL.eglGetError()));
}
return null;
}
- GLCapabilities capsChosen1 = EGLGraphicsConfiguration.EGLConfig2Capabilities(glp, eglDisplay, configs[0],
+ GLCapabilities capsChosen1 = EGLGraphicsConfiguration.EGLConfig2Capabilities(glp, eglDisplay, configs.get(0),
true, capsChosen0.isOnscreen(), capsChosen0.isPBuffer());
if(null!=capsChosen1) {
if(DEBUG) {
@@ -237,7 +239,7 @@ public class EGLGraphicsConfigurationFactory extends GraphicsConfigurationFactor
", eglConfig ID 0x"+Integer.toHexString(val[0])+
", "+capsChosen0+" -> "+capsChosen1);
}
- return new EGLGraphicsConfiguration(absScreen, capsChosen1, capsRequested, chooser, configs[0], val[0]);
+ return new EGLGraphicsConfiguration(absScreen, capsChosen1, capsRequested, chooser, configs.get(0), val[0]);
}
if(DEBUG) {
System.err.println("eglChooseConfig couldn't verify: eglDisplay 0x"+Long.toHexString(eglDisplay)+
@@ -253,11 +255,11 @@ public class EGLGraphicsConfigurationFactory extends GraphicsConfigurationFactor
return null;
}
- protected static GLCapabilities[] eglConfigs2GLCaps(GLProfile glp, long eglDisplay, _EGLConfig[] configs, int num,
+ protected static GLCapabilities[] eglConfigs2GLCaps(GLProfile glp, long eglDisplay, PointerBuffer configs, int num,
boolean onscreen, boolean usePBuffer) {
GLCapabilities[] caps = new GLCapabilities[num];
for(int i=0; i<num; i++) {
- caps[i] = EGLGraphicsConfiguration.EGLConfig2Capabilities(glp, eglDisplay, configs[i],
+ caps[i] = EGLGraphicsConfiguration.EGLConfig2Capabilities(glp, eglDisplay, configs.get(i),
true, onscreen, usePBuffer);
}
return caps;
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
index 2f5bbf359..3286367e5 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLOnscreenDrawable.java
@@ -54,7 +54,7 @@ public class EGLOnscreenDrawable extends EGLDrawable {
return new EGLOnscreenContext(this, shareWith);
}
- protected long createSurface(long eglDpy, _EGLConfig eglNativeCfg, long surfaceHandle) {
+ protected long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle) {
return EGL.eglCreateWindowSurface(eglDpy, eglNativeCfg, surfaceHandle, null);
}
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLPbufferDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLPbufferDrawable.java
index a86045789..03b02b77e 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLPbufferDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/egl/EGLPbufferDrawable.java
@@ -73,7 +73,7 @@ public class EGLPbufferDrawable extends EGLDrawable {
}
- protected long createSurface(long eglDpy, _EGLConfig eglNativeCfg, long surfaceHandle) {
+ protected long createSurface(long eglDpy, long eglNativeCfg, long surfaceHandle) {
NativeWindow nw = getNativeWindow();
int[] attrs = EGLGraphicsConfiguration.CreatePBufferSurfaceAttribList(nw.getWidth(), nw.getHeight(), texFormat);
long surf = EGL.eglCreatePbufferSurface(eglDpy, eglNativeCfg, attrs, 0);
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLContext.java b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLContext.java
index 131375338..aacd2c38e 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLContext.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLContext.java
@@ -6,6 +6,7 @@ import java.util.*;
import javax.media.opengl.*;
import javax.media.nativewindow.*;
import com.jogamp.opengl.impl.*;
+import com.jogamp.gluegen.runtime.PointerBuffer;
public class MacOSXPbufferCGLContext extends MacOSXCGLContext {
protected MacOSXPbufferCGLDrawable drawable;
@@ -312,29 +313,29 @@ public class MacOSXPbufferCGLContext extends MacOSXCGLContext {
}
// Use attribute array to select pixel format
- long[] fmt = new long[1];
+ PointerBuffer fmt = PointerBuffer.allocateDirect(1);
long[] numScreens = new long[1];
- int res = CGL.CGLChoosePixelFormat(attrs, 0, fmt, 0, numScreens, 0);
+ int res = CGL.CGLChoosePixelFormat(attrs, 0, fmt, numScreens, 0);
if (res != CGL.kCGLNoError) {
throw new GLException("Error code " + res + " while choosing pixel format");
}
// Create new context
- long[] ctx = new long[1];
+ PointerBuffer ctx = PointerBuffer.allocateDirect(1);
if (DEBUG) {
System.err.println("Share context for CGL-based pbuffer context is " + toHexString(share));
}
- res = CGL.CGLCreateContext(fmt[0], share, ctx, 0);
- CGL.CGLDestroyPixelFormat(fmt[0]);
+ res = CGL.CGLCreateContext(fmt.get(0), share, ctx);
+ CGL.CGLDestroyPixelFormat(fmt.get(0));
if (res != CGL.kCGLNoError) {
throw new GLException("Error code " + res + " while creating context");
}
// Attach newly-created context to the pbuffer
- res = CGL.CGLSetPBuffer(ctx[0], drawable.getPbuffer(), 0, 0, 0);
+ res = CGL.CGLSetPBuffer(ctx.get(0), drawable.getPbuffer(), 0, 0, 0);
if (res != CGL.kCGLNoError) {
throw new GLException("Error code " + res + " while attaching context to pbuffer");
}
- return ctx[0];
+ return ctx.get(0);
}
public boolean destroy(long ctx) {
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLDrawable.java
index eb6de929d..95609aee5 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/macosx/cgl/MacOSXPbufferCGLDrawable.java
@@ -42,6 +42,7 @@ package com.jogamp.opengl.impl.macosx.cgl;
import javax.media.opengl.*;
import javax.media.nativewindow.*;
import com.jogamp.opengl.impl.*;
+import com.jogamp.gluegen.runtime.PointerBuffer;
public class MacOSXPbufferCGLDrawable extends MacOSXCGLDrawable {
private static final boolean DEBUG = Debug.debug("MacOSXPbufferCGLDrawable");
@@ -232,12 +233,12 @@ public class MacOSXPbufferCGLDrawable extends MacOSXCGLDrawable {
// CGL implementation
class CGLImpl implements Impl {
public long create(int renderTarget, int internalFormat, int width, int height) {
- long[] pbuffer = new long[1];
- int res = CGL.CGLCreatePBuffer(width, height, renderTarget, internalFormat, 0, pbuffer, 0);
+ PointerBuffer pbuffer = PointerBuffer.allocateDirect(1);
+ int res = CGL.CGLCreatePBuffer(width, height, renderTarget, internalFormat, 0, pbuffer);
if (res != CGL.kCGLNoError) {
throw new GLException("Error creating CGL-based pbuffer: error code " + res);
}
- return pbuffer[0];
+ return pbuffer.get(0);
}
public void destroy(long pbuffer) {
diff --git a/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsOffscreenWGLDrawable.java b/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsOffscreenWGLDrawable.java
index e0c70bd8c..bf466d455 100644
--- a/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsOffscreenWGLDrawable.java
+++ b/src/jogl/classes/com/jogamp/opengl/impl/windows/wgl/WindowsOffscreenWGLDrawable.java
@@ -99,7 +99,7 @@ public class WindowsOffscreenWGLDrawable extends WindowsWGLDrawable {
}
((SurfaceChangeable)nw).setSurfaceHandle(hdc);
- hbitmap = WGL.CreateDIBSection(hdc, info, WGL.DIB_RGB_COLORS, 0, 0, 0);
+ hbitmap = WGL.CreateDIBSection(hdc, info, WGL.DIB_RGB_COLORS, null, 0, 0);
if (hbitmap == 0) {
WGL.DeleteDC(hdc);
hdc = 0;