Fix BuildComposablePipeline's isGL*/getGL* ; GLBase: getDownstreamGL()/getRootGL(); GLContext.isGL* added proper API doc., isGL3core()/hasNoDefaultVAO() and getDefaultVAO().

- Fix BuildComposablePipeline's isGL*/getGL* (regression of commit 3a0d7703da32e9a5ddf08a334f18588a78038d880)

- GLBase: getDownstreamGL()/getRootGL()
  Allows user traversing through pipelined GL instances.
  Also added getRootGL() to GLContext.

- GLContext.isGL* added proper API doc.: We test the actual context, not the profile.

- GLContext isGL3core()/hasNoDefaultVAO() and getDefaultVAO()
  - Move isGL3code() def. back to pre 3a0d7703da32e9a5ddf08a334f18588a78038d880, i.e. Includes [ GL4, GL3 ] w/o GLES3.
  - Added hasNoDefaultVAO() and getDefaultVAO() .. incl. [ GL4, GL3, GLES3 ]

3 files changed, 12 insertions, 2 deletions

diff --git a/make/config/jogl/gl-impl-CustomJavaCode-common.java b/make/config/jogl/gl-impl-CustomJavaCode-common.java
index 4024d8e1a..2254e5f0b 100644
--- a/make/config/jogl/gl-impl-CustomJavaCode-common.java
+++ b/make/config/jogl/gl-impl-CustomJavaCode-common.java
@@ -25,6 +25,16 @@
     }
 
     @Override
+    public final GL getDownstreamGL() throws GLException {
+        return null;
+    }
+
+    @Override
+    public final GL getRootGL() throws GLException {
+        return this;
+    }
+
+    @Override
     public final boolean isGL() {
         return true;
     }
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java b/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java
index cacea322a..5ac2837fa 100644
--- a/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java
+++ b/make/config/jogl/gl-impl-CustomJavaCode-gl4bc.java
@@ -287,7 +287,7 @@ private final boolean checkBufferObject(boolean extensionAvail,
     }
     if ( allowVAO ) {
         buffer = bufferStateTracker.getBoundBufferObject(GL2GL3.GL_VERTEX_ARRAY_BINDING, this);
-        if( 0 != buffer && !_context.isDefaultVAO(buffer) ) {
+        if( 0 != buffer && _context.getDefaultVAO() != buffer ) {
             return true;
         }
     }
diff --git a/make/config/jogl/gl-impl-CustomJavaCode-gles3.java b/make/config/jogl/gl-impl-CustomJavaCode-gles3.java
index e0b0c6a09..bb4a6246b 100644
--- a/make/config/jogl/gl-impl-CustomJavaCode-gles3.java
+++ b/make/config/jogl/gl-impl-CustomJavaCode-gles3.java
@@ -205,7 +205,7 @@ private final boolean checkBufferObject(boolean extensionAvail,
     }
     if ( allowVAO ) {
         buffer = bufferStateTracker.getBoundBufferObject(GLES3.GL_VERTEX_ARRAY_BINDING, this);
-        if( 0 != buffer && !_context.isDefaultVAO(buffer) ) {
+        if( 0 != buffer && _context.getDefaultVAO() != buffer ) {
             return true;
         }
     }