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-rw-r--r--src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java14
-rw-r--r--src/demos/tess/Tess.java7
-rwxr-xr-xsrc/demos/testContextDestruction/TestContextDestruction.java7
-rw-r--r--src/demos/testContextSharing/TestContextSharing.java7
4 files changed, 30 insertions, 5 deletions
diff --git a/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java b/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java
index f8a01aa..049bd3d 100644
--- a/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java
+++ b/src/demos/hwShadowmapsSimple/HWShadowmapsSimple.java
@@ -161,7 +161,12 @@ public class HWShadowmapsSimple {
class Listener implements GLEventListener {
public void init(GLDrawable drawable) {
- // drawable.setGL(new DebugGL(drawable.getGL()));
+ // init() might get called more than once if the GLCanvas is
+ // added and removed, but we only want to install the DebugGL
+ // pipeline once
+ // if (!(drawable.getGL() instanceof DebugGL)) {
+ // drawable.setGL(new DebugGL(drawable.getGL()));
+ // }
GL gl = drawable.getGL();
GLU glu = drawable.getGLU();
@@ -376,7 +381,12 @@ public class HWShadowmapsSimple {
class PbufferListener implements GLEventListener {
public void init(GLDrawable drawable) {
- // drawable.setGL(new DebugGL(drawable.getGL()));
+ // init() might get called more than once if the GLCanvas is
+ // added and removed, but we only want to install the DebugGL
+ // pipeline once
+ // if (!(drawable.getGL() instanceof DebugGL)) {
+ // drawable.setGL(new DebugGL(drawable.getGL()));
+ // }
GL gl = drawable.getGL();
GLU glu = drawable.getGLU();
diff --git a/src/demos/tess/Tess.java b/src/demos/tess/Tess.java
index 4063367..354a0c9 100644
--- a/src/demos/tess/Tess.java
+++ b/src/demos/tess/Tess.java
@@ -103,7 +103,12 @@ public class Tess {
public void init(GLDrawable drawable) {
gl = drawable.getGL();
glu = drawable.getGLU();
- drawable.setGL(new DebugGL(drawable.getGL()));
+ // init() might get called more than once if the GLCanvas is
+ // added and removed, but we only want to install the DebugGL
+ // pipeline once
+ if (!(drawable.getGL() instanceof DebugGL)) {
+ drawable.setGL(new DebugGL(drawable.getGL()));
+ }
double[][] rect = new double[][]{{50.0, 50.0, 0.0},
{200.0, 50.0, 0.0},
diff --git a/src/demos/testContextDestruction/TestContextDestruction.java b/src/demos/testContextDestruction/TestContextDestruction.java
index 3adb73c..2edff00 100755
--- a/src/demos/testContextDestruction/TestContextDestruction.java
+++ b/src/demos/testContextDestruction/TestContextDestruction.java
@@ -178,7 +178,12 @@ public class TestContextDestruction {
class Listener implements GLEventListener {
public void init(GLDrawable drawable) {
System.out.println("Listener.init()");
- drawable.setGL(new DebugGL(drawable.getGL()));
+ // init() might get called more than once if the GLCanvas is
+ // added and removed, but we only want to install the DebugGL
+ // pipeline once
+ if (!(drawable.getGL() instanceof DebugGL)) {
+ drawable.setGL(new DebugGL(drawable.getGL()));
+ }
GL gl = drawable.getGL();
diff --git a/src/demos/testContextSharing/TestContextSharing.java b/src/demos/testContextSharing/TestContextSharing.java
index 88f453a..e50c4d0 100644
--- a/src/demos/testContextSharing/TestContextSharing.java
+++ b/src/demos/testContextSharing/TestContextSharing.java
@@ -97,7 +97,12 @@ public class TestContextSharing {
class Listener implements GLEventListener {
public void init(GLDrawable drawable) {
- drawable.setGL(new DebugGL(drawable.getGL()));
+ // init() might get called more than once if the GLCanvas is
+ // added and removed, but we only want to install the DebugGL
+ // pipeline once
+ if (!(drawable.getGL() instanceof DebugGL)) {
+ drawable.setGL(new DebugGL(drawable.getGL()));
+ }
GL gl = drawable.getGL();