2 files changed, 9 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
index a6401fbd7..2ccb0b050 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PMSAAES2.java
@@ -365,6 +365,10 @@ public final class VBORegion2PMSAAES2  extends GLRegion {
         gl.glViewport(0, 0, width, height);
 
         if( rs.isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED | RenderState.BITHINT_GLOBAL_DEPTH_TEST_ENABLED) ) {
+            // BITHINT_GLOBAL_DEPTH_TEST_ENABLED path added by commit 45395696c252c215a8a22d05e5da7e98c662d07e (2014-04-10),
+            // but not in VBORegion2PVBAA.renderVBO(..) -> investigate if required for working MSAA:
+            // - "VBORegion2PMSAAES2 enables/disables GL_DEPTH_TEST, otherwise MSAA is corrupt"
+            //
             // RGB is already multiplied w/ alpha via renderRegion2FBO(..)
             gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
             gl.glEnable(GL.GL_DEPTH_TEST);
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
index 49c91ce4b..ac7ec21fc 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PVBAAES2.java
@@ -475,6 +475,11 @@ public final class VBORegion2PVBAAES2  extends GLRegion {
                            final int vpWidth, final int vpHeight, final int sampleCount) {
         gl.glViewport(0, 0, vpWidth, vpHeight);
 
+        // Specific BITHINT_GLOBAL_DEPTH_TEST_ENABLED path added to
+        // VBORegion2PMSAA.renderVBO(..) by commit 45395696c252c215a8a22d05e5da7e98c662d07e (2014-04-10),
+        // but not here -> investigate if required for working MSAA:
+        // - "VBORegion2PMSAAES2 enables/disables GL_DEPTH_TEST, otherwise MSAA is corrupt"
+        //
         if( rs.isHintMaskSet(RenderState.BITHINT_BLENDING_ENABLED) ) {
             // RGB is already multiplied w/ alpha via renderRegion2FBO(..)
             gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);