Bug 1010 - Fix ES3.glPixelStorei and revalidate GLPixelStorageModes

Remove GLES3Impl.glPixelStorei pname validation which was true for ES2 impl,
but is no more valid for ES3, which accepts more values than
GL_PACK_ALIGNMENT & GL_UNPACK_ALIGNMENT.

Revalidate GLPixelStorageModes:
  - Properly support ES3 PixelStorageModes
  - Revalidate PixelStorageModes for all GL profiles
  - Properly reset values at save
  - Separate PACK and UNPACK save/reset/restore implementation

1 files changed, 2 insertions, 2 deletions

diff --git a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
index c8102973f..e712f2fa2 100644
--- a/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
+++ b/src/jogl/classes/javax/media/opengl/awt/GLJPanel.java
@@ -1724,8 +1724,8 @@ public class GLJPanel extends JPanel implements AWTGLAutoDrawable, WindowClosing
             System.err.println(getThreadName()+": GLJPanel.OffscreenBackend.postGL.readPixels: - frameCount "+frameCount);
         }
 
-        // Save current modes
-        psm.setAlignment(gl, alignment, alignment);
+        // Save PACK modes, reset them to defaults and set alignment
+        psm.setPackAlignment(gl, alignment);
         if(gl.isGL2ES3()) {
             final GL2ES3 gl2es3 = gl.getGL2ES3();
             gl2es3.glPixelStorei(GL2ES3.GL_PACK_ROW_LENGTH, panelWidth);