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Diffstat (limited to 'src/jogl/classes/javax/media/opengl/GLCapabilities.java')
-rw-r--r--src/jogl/classes/javax/media/opengl/GLCapabilities.java30
1 files changed, 27 insertions, 3 deletions
diff --git a/src/jogl/classes/javax/media/opengl/GLCapabilities.java b/src/jogl/classes/javax/media/opengl/GLCapabilities.java
index d48b95c79..3d2e2bcc9 100644
--- a/src/jogl/classes/javax/media/opengl/GLCapabilities.java
+++ b/src/jogl/classes/javax/media/opengl/GLCapabilities.java
@@ -53,7 +53,7 @@ import javax.media.nativewindow.Capabilities;
It currently contains the minimal number of routines which allow
configuration on all supported window systems. */
-public class GLCapabilities extends Capabilities implements Cloneable {
+public class GLCapabilities extends Capabilities implements Cloneable, GLCapabilitiesImmutable {
private GLProfile glProfile = null;
private boolean pbuffer = false;
private boolean doubleBuffered = true;
@@ -84,6 +84,10 @@ public class GLCapabilities extends Capabilities implements Cloneable {
glProfile = (null!=glp)?glp:GLProfile.getDefault(GLProfile.getDefaultDevice());
}
+ public Object cloneMutable() {
+ return clone();
+ }
+
public Object clone() {
try {
return super.clone();
@@ -92,12 +96,32 @@ public class GLCapabilities extends Capabilities implements Cloneable {
}
}
+ public int hashCode() {
+ // 31 * x == (x << 5) - x
+ int hash = 31 + this.glProfile.hashCode() ;
+ hash = ((hash << 5) - hash) + ( this.pbuffer ? 1 : 0 );
+ hash = ((hash << 5) - hash) + ( this.stereo ? 1 : 0 );
+ hash = ((hash << 5) - hash) + ( this.hardwareAccelerated ? 1 : 0 );
+ hash = ((hash << 5) - hash) + this.depthBits;
+ hash = ((hash << 5) - hash) + this.stencilBits;
+ hash = ((hash << 5) - hash) + this.accumRedBits;
+ hash = ((hash << 5) - hash) + this.accumGreenBits;
+ hash = ((hash << 5) - hash) + this.accumBlueBits;
+ hash = ((hash << 5) - hash) + this.accumAlphaBits;
+ hash = ((hash << 5) - hash) + ( this.sampleBuffers ? 1 : 0 );
+ hash = ((hash << 5) - hash) + this.numSamples;
+ hash = ((hash << 5) - hash) + ( this.pbufferFloatingPointBuffers ? 1 : 0 );
+ hash = ((hash << 5) - hash) + ( this.pbufferRenderToTexture ? 1 : 0 );
+ hash = ((hash << 5) - hash) + ( this.pbufferRenderToTextureRectangle ? 1 : 0 );
+ return hash;
+ }
+
public boolean equals(Object obj) {
if(this == obj) { return true; }
- if(!(obj instanceof GLCapabilities)) {
+ if(!(obj instanceof GLCapabilitiesImmutable)) {
return false;
}
- GLCapabilities other = (GLCapabilities)obj;
+ GLCapabilitiesImmutable other = (GLCapabilitiesImmutable)obj;
boolean res = super.equals(obj) &&
other.getGLProfile()==glProfile &&
other.isPBuffer()==pbuffer &&