Merge branch 'master' into stash_glyphcache

Conflicts:
	make/scripts/tests.sh
	src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java
	src/jogl/classes/com/jogamp/graph/curve/Region.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/GLRegion.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/Renderer.java
	src/jogl/classes/com/jogamp/graph/curve/opengl/TextRenderer.java
	src/jogl/classes/com/jogamp/graph/font/Font.java
	src/jogl/classes/com/jogamp/opengl/math/VectorUtil.java
	src/jogl/classes/jogamp/graph/curve/text/GlyphShape.java
	src/jogl/classes/jogamp/graph/curve/text/GlyphString.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastFont.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastGlyph.java
	src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java

25 files changed, 259 insertions, 362 deletions

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/RegionFactory.java b/src/jogl/classes/jogamp/graph/curve/opengl/RegionFactory.java
index 1f59b5805..515583b14 100755..100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/RegionFactory.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/RegionFactory.java
@@ -30,20 +30,20 @@ package jogamp.graph.curve.opengl;
 import com.jogamp.graph.curve.Region;
 import com.jogamp.graph.curve.opengl.GLRegion;
 
-/** RegionFactory to create a Context specific Region implementation. 
- *  
+/** RegionFactory to create a Context specific Region implementation.
+ *
  * @see GLRegion
  */
 public class RegionFactory {
-    
+
     /**
      * Create a Region using the passed render mode
-     * 
+     *
      * <p> In case {@link Region#VBAA_RENDERING_BIT} is being requested the default texture unit
      * {@link Region#TWO_PASS_DEFAULT_TEXTURE_UNIT} is being used.</p>
-     * 
+     *
      * @param rs the RenderState to be used
-     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, {@link Region#VBAA_RENDERING_BIT} 
+     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, {@link Region#VBAA_RENDERING_BIT}
      */
     public static GLRegion create(int renderModes) {
         if( 0 != ( Region.VBAA_RENDERING_BIT & renderModes ) ){
@@ -53,18 +53,18 @@ public class RegionFactory {
             return new VBORegionSPES2(renderModes);
         }
     }
-        
+
     /** Create a Single Pass Region using the passed render mode
-     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, 
+     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT},
      * {@link Region#VBAA_RENDERING_BIT}
      * @return
      */
     public static GLRegion createSinglePass(int renderModes) {
         return new VBORegionSPES2(renderModes);
     }
-    
+
     /** Create a Two Pass (VBAA) Region using the passed render mode
-     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, 
+     * @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT},
      * {@link Region#VBAA_RENDERING_BIT}
      * @return
      */
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java b/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java
index e6001f4c2..51198fd75 100755..100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java
@@ -36,6 +36,7 @@ import com.jogamp.graph.curve.Region;
 import com.jogamp.graph.curve.opengl.GLRegion;
 import com.jogamp.graph.curve.opengl.RegionRenderer;
 import com.jogamp.graph.curve.opengl.RenderState;
+import com.jogamp.opengl.GLExtensions;
 import com.jogamp.opengl.util.glsl.ShaderCode;
 import com.jogamp.opengl.util.glsl.ShaderProgram;
 import com.jogamp.opengl.util.glsl.ShaderState;
@@ -43,38 +44,44 @@ import com.jogamp.opengl.util.glsl.ShaderState;
 public class RegionRendererImpl01 extends RegionRenderer {
     public RegionRendererImpl01(RenderState rs, int renderModes) {
         super(rs, renderModes);
-        
+
     }
-    
+
     @Override
-    protected String getFragmentShaderName(GL2ES2 gl) {
-        final String type = Region.isNonUniformWeight(renderModes) ? "02" : "01" ;
-        final String pass = Region.isVBAA(renderModes) ? "b" : "a" ;
-        return "curverenderer" + type + pass + getShaderGLVersionSuffix(gl);
-    }
-    
     protected boolean initShaderProgram(GL2ES2 gl) {
         final ShaderState st = rs.getShaderState();
-        
-        ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, RegionRendererImpl01.class, "shader",
-                "shader/bin", getVertexShaderName(gl), false);
-        ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, RegionRendererImpl01.class, "shader",
-                "shader/bin", getFragmentShaderName(gl), false);
-    
-        ShaderProgram sp = new ShaderProgram();
+
+        final ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, RegionRendererImpl01.class, "shader",
+                                                  "shader/bin", getVertexShaderName(), true);
+        final ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, RegionRendererImpl01.class, "shader",
+                                                  "shader/bin", getFragmentShaderName(), true);
+        rsVp.defaultShaderCustomization(gl, true, true);
+        // rsFp.defaultShaderCustomization(gl, true, true);
+        int pos = rsFp.addGLSLVersion(gl);
+        if( gl.isGLES() ) {
+            pos = rsFp.insertShaderSource(0, pos, ShaderCode.createExtensionDirective(GLExtensions.OES_standard_derivatives, ShaderCode.ENABLE));
+        }
+        final String rsFpDefPrecision =  getFragmentShaderPrecision(gl);
+        if( null != rsFpDefPrecision ) {
+            rsFp.insertShaderSource(0, pos, rsFpDefPrecision);
+        }
+
+        final ShaderProgram sp = new ShaderProgram();
         sp.add(rsVp);
         sp.add(rsFp);
 
-        sp.init(gl);
-        st.attachShaderProgram(gl, sp, false);        
+        if( !sp.init(gl) ) {
+            throw new GLException("RegionRenderer: Couldn't init program: "+sp);
+        }
+        st.attachShaderProgram(gl, sp, false);
         st.bindAttribLocation(gl, AttributeNames.VERTEX_ATTR_IDX, AttributeNames.VERTEX_ATTR_NAME);
-        st.bindAttribLocation(gl, AttributeNames.TEXCOORD_ATTR_IDX, AttributeNames.TEXCOORD_ATTR_NAME);        
-        
+        st.bindAttribLocation(gl, AttributeNames.TEXCOORD_ATTR_IDX, AttributeNames.TEXCOORD_ATTR_NAME);
+
         if(!sp.link(gl, System.err)) {
             throw new GLException("RegionRenderer: Couldn't link program: "+sp);
-        }    
+        }
         st.useProgram(gl, true);
-    
+
         if(DEBUG) {
             System.err.println("RegionRendererImpl01 initialized: " + Thread.currentThread()+" "+st);
         }
@@ -89,5 +96,5 @@ public class RegionRendererImpl01 extends RegionRenderer {
     @Override
     protected void drawImpl(GL2ES2 gl, Region region, int[] texSize) {
         ((GLRegion)region).draw(gl, rs, vp_width, vp_height, texSize);
-    }    
+    }
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java b/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java
index 51356ca13..68f926b0a 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/RenderStateImpl.java
@@ -38,9 +38,9 @@ import com.jogamp.graph.geom.Vertex;
 import com.jogamp.opengl.util.PMVMatrix;
 import com.jogamp.opengl.util.glsl.ShaderState;
 
-public class RenderStateImpl extends RenderState {    
+public class RenderStateImpl extends RenderState {
     /**
-     * weight is equivalent to the 
+     * weight is equivalent to the
      * global off-curve vertex weight.
      * TODO: change to per vertex
      */
@@ -50,7 +50,7 @@ public class RenderStateImpl extends RenderState {
 
     public RenderStateImpl(ShaderState st, Vertex.Factory<? extends Vertex> pointFactory, PMVMatrix pmvMatrix) {
         super(st, pointFactory, pmvMatrix);
-        
+
         gcu_Weight = new GLUniformData(UniformNames.gcu_Weight, 1.0f);
         st.ownUniform(gcu_PMVMatrix);
         gcu_Alpha = new GLUniformData(UniformNames.gcu_Alpha, 1.0f);
@@ -60,15 +60,14 @@ public class RenderStateImpl extends RenderState {
 //        gcu_Strength = new GLUniformData(UniformNames.gcu_Strength, 3.0f);
 //        st.ownUniform(gcu_Strength);
     }
-    
-    public RenderStateImpl(ShaderState st, Vertex.Factory<? extends Vertex> pointFactory) {
-        this(st, pointFactory, new PMVMatrix());
-    }
-    
+
+    @Override
     public final GLUniformData getWeight() { return gcu_Weight; }
+    @Override
     public final GLUniformData getAlpha() { return gcu_Alpha; }
+    @Override
     public final GLUniformData getColorStatic() { return gcu_ColorStatic; }
     //public final GLUniformData getStrength() { return gcu_Strength; }
-    
-    
+
+
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/TextRendererImpl01.java b/src/jogl/classes/jogamp/graph/curve/opengl/TextRendererImpl01.java
index f8b1b090b..c3c7e0cac 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/TextRendererImpl01.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/TextRendererImpl01.java
@@ -36,33 +36,46 @@ import jogamp.graph.curve.text.GlyphString;
 import com.jogamp.graph.curve.opengl.RenderState;
 import com.jogamp.graph.curve.opengl.TextRenderer;
 import com.jogamp.graph.font.Font;
+import com.jogamp.opengl.GLExtensions;
 import com.jogamp.opengl.util.glsl.ShaderCode;
 import com.jogamp.opengl.util.glsl.ShaderProgram;
 import com.jogamp.opengl.util.glsl.ShaderState;
 
-public class TextRendererImpl01 extends TextRenderer {    
+public class TextRendererImpl01 extends TextRenderer {
     public TextRendererImpl01(RenderState rs, int type) {
-        super(rs, type);                     
+        super(rs, type);
     }
-    
+
     @Override
     protected boolean initShaderProgram(GL2ES2 gl){
         final ShaderState st = rs.getShaderState();
 
-        ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, TextRendererImpl01.class, "shader",
-                "shader/bin", getVertexShaderName(gl), false);
-        ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, TextRendererImpl01.class, "shader",
-                "shader/bin", getFragmentShaderName(gl), false);
-        
-        ShaderProgram sp = new ShaderProgram();
+        final ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, TextRendererImpl01.class, "shader",
+                                                  "shader/bin", getVertexShaderName(), true);
+        final ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, TextRendererImpl01.class, "shader",
+                                                  "shader/bin", getFragmentShaderName(), true);
+        rsVp.defaultShaderCustomization(gl, true, true);
+        // rsFp.defaultShaderCustomization(gl, true, true);
+        int pos = rsFp.addGLSLVersion(gl);
+        if( gl.isGLES() ) {
+            pos = rsFp.insertShaderSource(0, pos, ShaderCode.createExtensionDirective(GLExtensions.OES_standard_derivatives, ShaderCode.ENABLE));
+        }
+        final String rsFpDefPrecision =  getFragmentShaderPrecision(gl);
+        if( null != rsFpDefPrecision ) {
+            rsFp.insertShaderSource(0, pos, rsFpDefPrecision);
+        }
+
+        final ShaderProgram sp = new ShaderProgram();
         sp.add(rsVp);
         sp.add(rsFp);
-        
-        sp.init(gl);
-        st.attachShaderProgram(gl, sp, false);        
+
+        if( !sp.init(gl) ) {
+            throw new GLException("RegionRenderer: Couldn't init program: "+sp);
+        }
+        st.attachShaderProgram(gl, sp, false);
         st.bindAttribLocation(gl, AttributeNames.VERTEX_ATTR_IDX, AttributeNames.VERTEX_ATTR_NAME);
-        st.bindAttribLocation(gl, AttributeNames.TEXCOORD_ATTR_IDX, AttributeNames.TEXCOORD_ATTR_NAME);        
-        
+        st.bindAttribLocation(gl, AttributeNames.TEXCOORD_ATTR_IDX, AttributeNames.TEXCOORD_ATTR_NAME);
+
         if(!sp.link(gl, System.err)) {
             throw new GLException("TextRendererImpl01: Couldn't link program: "+sp);
         }
@@ -70,15 +83,15 @@ public class TextRendererImpl01 extends TextRenderer {
 
         if(DEBUG) {
             System.err.println("TextRendererImpl01 initialized: " + Thread.currentThread()+" "+st);
-        }        
+        }
         return true;
     }
-    
+
     @Override
     protected void destroyImpl(GL2ES2 gl) {
         super.destroyImpl(gl);
     }
-    
+
     @Override
     public void drawString3D(GL2ES2 gl, Font font, String str, int fontSize, int[/*1*/] texSize) {
         if(!isInitialized()){
@@ -89,7 +102,7 @@ public class TextRendererImpl01 extends TextRenderer {
             glyphString = createString(gl, font, fontSize, str);
             addCachedGlyphString(gl, font, str, fontSize, glyphString);
         }
-        
+
         glyphString.renderString3D(gl, rs, vp_width, vp_height, texSize);
     }
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PES2.java
index 804e9ee14..77c862ed4 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegion2PES2.java
@@ -30,9 +30,8 @@ package jogamp.graph.curve.opengl;
 import java.nio.FloatBuffer;
 
 import javax.media.opengl.GL2ES2;
-// FIXME: Subsume GL2GL3.GL_DRAW_FRAMEBUFFER -> GL2ES2.GL_DRAW_FRAMEBUFFER ! 
+// FIXME: Subsume GL2GL3.GL_DRAW_FRAMEBUFFER -> GL2ES2.GL_DRAW_FRAMEBUFFER !
 import javax.media.opengl.GL;
-import javax.media.opengl.GLException;
 import javax.media.opengl.GLUniformData;
 import javax.media.opengl.fixedfunc.GLMatrixFunc;
 
@@ -45,7 +44,9 @@ import com.jogamp.graph.geom.Vertex;
 
 import com.jogamp.graph.curve.opengl.GLRegion;
 import com.jogamp.graph.curve.opengl.RenderState;
-import com.jogamp.opengl.util.FBObject;
+import com.jogamp.opengl.FBObject;
+import com.jogamp.opengl.FBObject.Attachment;
+import com.jogamp.opengl.FBObject.TextureAttachment;
 import com.jogamp.opengl.util.GLArrayDataServer;
 import com.jogamp.opengl.util.PMVMatrix;
 import com.jogamp.opengl.util.glsl.ShaderState;
@@ -57,89 +58,91 @@ public class VBORegion2PES2  extends GLRegion {
     private GLArrayDataServer verticeFboAttr;
     private GLArrayDataServer texCoordFboAttr;
     private GLArrayDataServer indicesFbo;
-    
-    
+
+
     private FBObject fbo;
+    private TextureAttachment texA;
     private PMVMatrix fboPMVMatrix;
     GLUniformData mgl_fboPMVMatrix;
-    
+
     private int tex_width_c = 0;
     private int tex_height_c = 0;
-    GLUniformData mgl_ActiveTexture; 
+    GLUniformData mgl_ActiveTexture;
     GLUniformData mgl_TextureSize; // if GLSL < 1.30
-    
+
     public VBORegion2PES2(int renderModes, int textureEngine) {
         super(renderModes);
         fboPMVMatrix = new PMVMatrix();
-        mgl_fboPMVMatrix = new GLUniformData(UniformNames.gcu_PMVMatrix, 4, 4, fboPMVMatrix.glGetPMvMatrixf());        
-        mgl_ActiveTexture = new GLUniformData(UniformNames.gcu_TextureUnit, textureEngine);        
+        mgl_fboPMVMatrix = new GLUniformData(UniformNames.gcu_PMVMatrix, 4, 4, fboPMVMatrix.glGetPMvMatrixf());
+        mgl_ActiveTexture = new GLUniformData(UniformNames.gcu_TextureUnit, textureEngine);
     }
-    
+
+    @Override
     public void update(GL2ES2 gl, RenderState rs) {
         if(!isDirty()) {
-            return; 
+            return;
         }
 
         if(null == indicesFbo) {
             final int initialElementCount = 256;
             final ShaderState st = rs.getShaderState();
-            
-            indicesFbo = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);                
+
+            indicesFbo = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
             indicesFbo.puts((short) 0); indicesFbo.puts((short) 1); indicesFbo.puts((short) 3);
             indicesFbo.puts((short) 1); indicesFbo.puts((short) 2); indicesFbo.puts((short) 3);
             indicesFbo.seal(true);
-            
-            texCoordFboAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT, 
+
+            texCoordFboAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT,
                                                            false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(texCoordFboAttr, true);
-            texCoordFboAttr.putf(5); texCoordFboAttr.putf(5);        
-            texCoordFboAttr.putf(5); texCoordFboAttr.putf(6);        
-            texCoordFboAttr.putf(6); texCoordFboAttr.putf(6);        
-            texCoordFboAttr.putf(6); texCoordFboAttr.putf(5);        
+            texCoordFboAttr.putf(5); texCoordFboAttr.putf(5);
+            texCoordFboAttr.putf(5); texCoordFboAttr.putf(6);
+            texCoordFboAttr.putf(6); texCoordFboAttr.putf(6);
+            texCoordFboAttr.putf(6); texCoordFboAttr.putf(5);
             texCoordFboAttr.seal(true);
-            
-            verticeFboAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT, 
-                                                          false, initialElementCount, GL.GL_STATIC_DRAW); 
+
+            verticeFboAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
+                                                          false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(verticeFboAttr, true);
-            
-            
-            indicesTxt = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);                
-            
-            verticeTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT, 
+
+
+            indicesTxt = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
+
+            verticeTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
                                                           false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(verticeTxtAttr, true);
-            
-            texCoordTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT, 
+
+            texCoordTxtAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT,
                                                            false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(texCoordTxtAttr, true);
-            
+
             if(DEBUG_INSTANCE) {
                 System.err.println("VBORegion2PES2 Create: " + this);
-            }                    
+            }
         }
         // process triangles
         indicesTxt.seal(gl, false);
-        indicesTxt.rewind();        
+        indicesTxt.rewind();
         for(int i=0; i<triangles.size(); i++) {
             final Triangle t = triangles.get(i);
             final Vertex[] t_vertices = t.getVertices();
-            
+
             if(t_vertices[0].getId() == Integer.MAX_VALUE){
                 t_vertices[0].setId(numVertices++);
                 t_vertices[1].setId(numVertices++);
                 t_vertices[2].setId(numVertices++);
-                
+
                 vertices.add(t_vertices[0]);
                 vertices.add(t_vertices[1]);
                 vertices.add(t_vertices[2]);
-                
+
                 indicesTxt.puts((short) t_vertices[0].getId());
                 indicesTxt.puts((short) t_vertices[1].getId());
                 indicesTxt.puts((short) t_vertices[2].getId());
             } else {
                 indicesTxt.puts((short) t_vertices[0].getId());
                 indicesTxt.puts((short) t_vertices[1].getId());
-                indicesTxt.puts((short) t_vertices[2].getId());                
+                indicesTxt.puts((short) t_vertices[2].getId());
             }
         }
         indicesTxt.seal(gl, true);
@@ -155,43 +158,44 @@ public class VBORegion2PES2  extends GLRegion {
             final Vertex v = vertices.get(i);
             verticeTxtAttr.putf(v.getX());
             verticeTxtAttr.putf(v.getY());
-            verticeTxtAttr.putf(v.getZ());            
-            box.resize(v.getX(), v.getY(), v.getZ());            
-            
+            verticeTxtAttr.putf(v.getZ());
+            box.resize(v.getX(), v.getY(), v.getZ());
+
             final float[] tex = v.getTexCoord();
             texCoordTxtAttr.putf(tex[0]);
-            texCoordTxtAttr.putf(tex[1]);            
+            texCoordTxtAttr.putf(tex[1]);
         }
         texCoordTxtAttr.seal(gl, true);
         texCoordTxtAttr.enableBuffer(gl, false);
-        verticeTxtAttr.seal(gl, true);     
+        verticeTxtAttr.seal(gl, true);
         verticeTxtAttr.enableBuffer(gl, false);
-        
+
         // update all bbox related data
         verticeFboAttr.seal(gl, false);
-        verticeFboAttr.rewind();        
-        verticeFboAttr.putf(box.getLow()[0]);  verticeFboAttr.putf(box.getLow()[1]);  verticeFboAttr.putf(box.getLow()[2]);        
-        verticeFboAttr.putf(box.getLow()[0]);  verticeFboAttr.putf(box.getHigh()[1]); verticeFboAttr.putf(box.getLow()[2]);            
-        verticeFboAttr.putf(box.getHigh()[0]); verticeFboAttr.putf(box.getHigh()[1]); verticeFboAttr.putf(box.getLow()[2]);                
-        verticeFboAttr.putf(box.getHigh()[0]); verticeFboAttr.putf(box.getLow()[1]);  verticeFboAttr.putf(box.getLow()[2]);        
-        verticeFboAttr.seal(gl, true);     
+        verticeFboAttr.rewind();
+        verticeFboAttr.putf(box.getLow()[0]);  verticeFboAttr.putf(box.getLow()[1]);  verticeFboAttr.putf(box.getLow()[2]);
+        verticeFboAttr.putf(box.getLow()[0]);  verticeFboAttr.putf(box.getHigh()[1]); verticeFboAttr.putf(box.getLow()[2]);
+        verticeFboAttr.putf(box.getHigh()[0]); verticeFboAttr.putf(box.getHigh()[1]); verticeFboAttr.putf(box.getLow()[2]);
+        verticeFboAttr.putf(box.getHigh()[0]); verticeFboAttr.putf(box.getLow()[1]);  verticeFboAttr.putf(box.getLow()[2]);
+        verticeFboAttr.seal(gl, true);
         verticeFboAttr.enableBuffer(gl, false);
-        
+
         fboPMVMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
         fboPMVMatrix.glLoadIdentity();
         fboPMVMatrix.glOrthof(box.getLow()[0], box.getHigh()[0], box.getLow()[1], box.getHigh()[1], -1, 1);
-        
+
         // push data 2 GPU ..
         indicesFbo.seal(gl, true);
         indicesFbo.enableBuffer(gl, false);
-        
+
         setDirty(false);
-        
+
         // the buffers were disabled, since due to real/fbo switching and other vbo usage
     }
-    
+
     int[] maxTexSize = new int[] { -1 } ;
-    
+
+    @Override
     protected void drawImpl(GL2ES2 gl, RenderState rs, int vp_width, int vp_height, int[/*1*/] texWidth) {
         if(vp_width <=0 || vp_height <= 0 || null==texWidth || texWidth[0] <= 0){
             renderRegion(gl);
@@ -203,76 +207,73 @@ public class VBORegion2PES2  extends GLRegion {
                 if(texWidth[0] > maxTexSize[0]) {
                     texWidth[0] = maxTexSize[0]; // clip to max - write-back user value!
                 }
-                renderRegion2FBO(gl, rs, texWidth); 
+                renderRegion2FBO(gl, rs, texWidth);
             }
             // System.out.println("Scale: " + matrix.glGetMatrixf().get(1+4*3) +" " + matrix.glGetMatrixf().get(2+4*3));
             renderFBO(gl, rs, vp_width, vp_height);
         }
     }
-    
+
     private void renderFBO(GL2ES2 gl, RenderState rs, int width, int hight) {
         final ShaderState st = rs.getShaderState();
-        
-        gl.glViewport(0, 0, width, hight);        
-        st.uniform(gl, mgl_ActiveTexture);        
-        fbo.use(gl, 0);                        
-        verticeFboAttr.enableBuffer(gl, true);       
+
+        gl.glViewport(0, 0, width, hight);
+        st.uniform(gl, mgl_ActiveTexture);
+        gl.glActiveTexture(GL.GL_TEXTURE0 + mgl_ActiveTexture.intValue());
+        fbo.use(gl, texA);
+        verticeFboAttr.enableBuffer(gl, true);
         texCoordFboAttr.enableBuffer(gl, true);
-        indicesFbo.enableBuffer(gl, true);
-        
-        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesFbo.getElementCount() * indicesFbo.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);         
-        
-        verticeFboAttr.enableBuffer(gl, false);       
+        indicesFbo.bindBuffer(gl, true); // keeps VBO binding
+
+        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesFbo.getElementCount() * indicesFbo.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+        indicesFbo.bindBuffer(gl, false);
         texCoordFboAttr.enableBuffer(gl, false);
-        indicesFbo.enableBuffer(gl, false);        
+        verticeFboAttr.enableBuffer(gl, false);
         fbo.unuse(gl);
-        
+
         // setback: gl.glActiveTexture(currentActiveTextureEngine[0]);
     }
-    
+
     private void renderRegion2FBO(GL2ES2 gl, RenderState rs, int[/*1*/] texWidth) {
         final ShaderState st = rs.getShaderState();
-        
+
         if(0>=texWidth[0]) {
             throw new IllegalArgumentException("texWidth must be greater than 0: "+texWidth[0]);
         }
-        
+
         tex_width_c  = texWidth[0];
         tex_height_c = (int) ( ( ( tex_width_c * box.getHeight() ) / box.getWidth() ) + 0.5f );
-        
+
         // System.out.println("FBO Size: "+texWidth[0]+" -> "+tex_width_c+"x"+tex_height_c);
         // System.out.println("FBO Scale: " + m.glGetMatrixf().get(0) +" " + m.glGetMatrixf().get(5));
-        
+
         if(null != fbo && fbo.getWidth() != tex_width_c && fbo.getHeight() != tex_height_c ) {
-            fbo.destroy(gl);
-            fbo = null;
+            fbo.reset(gl, tex_width_c, tex_height_c);
         }
-        
-        if(null == fbo) {        
-            fbo = new FBObject(tex_width_c, tex_height_c);
-            fbo.init(gl); 
+
+        if(null == fbo) {
+            fbo = new FBObject();
+            fbo.reset(gl, tex_width_c, tex_height_c);
             // FIXME: shall not use bilinear, due to own AA ? However, w/o bilinear result is not smooth
-            fbo.attachTexture2D(gl, mgl_ActiveTexture.intValue(), GL2ES2.GL_LINEAR, GL2ES2.GL_LINEAR, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
-            // fbo.attachTexture2D(gl, mgl_ActiveTexture.intValue(), GL2ES2.GL_NEAREST, GL2ES2.GL_NEAREST, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
-            fbo.attachDepthBuffer(gl, GL.GL_DEPTH_COMPONENT16); // FIXME: or shall we use 24 or 32 bit depth ?
-            if(!fbo.isStatusValid()) {
-                throw new GLException("FBO invalid: "+fbo);
-            }
+            texA = fbo.attachTexture2D(gl, 0, true, GL2ES2.GL_LINEAR, GL2ES2.GL_LINEAR, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
+            // texA = fbo.attachTexture2D(gl, 0, GL2ES2.GL_NEAREST, GL2ES2.GL_NEAREST, GL2ES2.GL_CLAMP_TO_EDGE, GL2ES2.GL_CLAMP_TO_EDGE);
+            fbo.attachRenderbuffer(gl, Attachment.Type.DEPTH, 24);
         } else {
             fbo.bind(gl);
         }
-        
+
         //render texture
         gl.glViewport(0, 0, tex_width_c, tex_height_c);
         st.uniform(gl, mgl_fboPMVMatrix); // use orthogonal matrix
-        
+
         gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
         gl.glClear(GL2ES2.GL_COLOR_BUFFER_BIT | GL2ES2.GL_DEPTH_BUFFER_BIT);
         renderRegion(gl);
         fbo.unbind(gl);
-        
+
         st.uniform(gl, rs.getPMVMatrix()); // switch back to real PMV matrix
-        
+
         // if( !gl.isGL3() ) {
             // GLSL < 1.30
             if(null == mgl_TextureSize) {
@@ -282,21 +283,22 @@ public class VBORegion2PES2  extends GLRegion {
             texSize.put(0, (float)fbo.getWidth());
             texSize.put(1, (float)fbo.getHeight());
             st.uniform(gl, mgl_TextureSize);
-        //}                        
+        //}
     }
-    
+
     private void renderRegion(GL2ES2 gl) {
-        verticeTxtAttr.enableBuffer(gl, true);       
+        verticeTxtAttr.enableBuffer(gl, true);
         texCoordTxtAttr.enableBuffer(gl, true);
-        indicesTxt.enableBuffer(gl, true);        
-        
-        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesTxt.getElementCount() * indicesTxt.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);        
-        
-        verticeTxtAttr.enableBuffer(gl, false);       
+        indicesTxt.bindBuffer(gl, true); // keeps VBO binding
+
+        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indicesTxt.getElementCount() * indicesTxt.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+        indicesTxt.bindBuffer(gl, false);
         texCoordTxtAttr.enableBuffer(gl, false);
-        indicesTxt.enableBuffer(gl, false);        
+        verticeTxtAttr.enableBuffer(gl, false);
     }
-    
+
+    @Override
     public void destroy(GL2ES2 gl, RenderState rs) {
         if(DEBUG_INSTANCE) {
             System.err.println("VBORegion2PES2 Destroy: " + this);
@@ -305,7 +307,8 @@ public class VBORegion2PES2  extends GLRegion {
         if(null != fbo) {
             fbo.destroy(gl);
             fbo = null;
-        }        
+            texA = null;
+        }
         if(null != verticeTxtAttr) {
             st.ownAttribute(verticeTxtAttr, false);
             verticeTxtAttr.destroy(gl);
@@ -335,6 +338,6 @@ public class VBORegion2PES2  extends GLRegion {
             indicesFbo = null;
         }
         triangles.clear();
-        vertices.clear();        
-    }       
+        vertices.clear();
+    }
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
index 14ff0380f..9feb18a12 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/VBORegionSPES2.java
@@ -44,13 +44,14 @@ public class VBORegionSPES2 extends GLRegion {
     private GLArrayDataServer texCoordAttr = null;
     private GLArrayDataServer indices = null;
 
-    protected VBORegionSPES2(int renderModes) { 
+    protected VBORegionSPES2(int renderModes) {
         super(renderModes);
     }
 
+    @Override
     protected void update(GL2ES2 gl, RenderState rs) {
         if(!isDirty()) {
-            return; 
+            return;
         }
 
         if(null == indices) {
@@ -59,11 +60,11 @@ public class VBORegionSPES2 extends GLRegion {
 
             indices = GLArrayDataServer.createData(3, GL2ES2.GL_SHORT, initialElementCount, GL.GL_STATIC_DRAW, GL.GL_ELEMENT_ARRAY_BUFFER);
 
-            verticeAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT, 
-                    false, initialElementCount, GL.GL_STATIC_DRAW);         
+            verticeAttr = GLArrayDataServer.createGLSL(AttributeNames.VERTEX_ATTR_NAME, 3, GL2ES2.GL_FLOAT,
+                    false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(verticeAttr, true);
 
-            texCoordAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT, 
+            texCoordAttr = GLArrayDataServer.createGLSL(AttributeNames.TEXCOORD_ATTR_NAME, 2, GL2ES2.GL_FLOAT,
                     false, initialElementCount, GL.GL_STATIC_DRAW);
             st.ownAttribute(texCoordAttr, true);
 
@@ -74,7 +75,7 @@ public class VBORegionSPES2 extends GLRegion {
 
         // process triangles
         indices.seal(gl, false);
-        indices.rewind();        
+        indices.rewind();
         for(int i=0; i<triangles.size(); i++) {
             final Triangle t = triangles.get(i);
             final Vertex[] t_vertices = t.getVertices();
@@ -102,7 +103,7 @@ public class VBORegionSPES2 extends GLRegion {
 
         // process vertices and update bbox
         box.reset();
-        verticeAttr.seal(gl, false); 
+        verticeAttr.seal(gl, false);
         verticeAttr.rewind();
         texCoordAttr.seal(gl, false);
         texCoordAttr.rewind();
@@ -110,14 +111,14 @@ public class VBORegionSPES2 extends GLRegion {
             final Vertex v = vertices.get(i);
             verticeAttr.putf(v.getX());
             verticeAttr.putf(v.getY());
-            verticeAttr.putf(v.getZ());            
+            verticeAttr.putf(v.getZ());
             box.resize(v.getX(), v.getY(), v.getZ());
 
             final float[] tex = v.getTexCoord();
             texCoordAttr.putf(tex[0]);
             texCoordAttr.putf(tex[1]);
         }
-        verticeAttr.seal(gl, true);        
+        verticeAttr.seal(gl, true);
         verticeAttr.enableBuffer(gl, false);
         texCoordAttr.seal(gl, true);
         texCoordAttr.enableBuffer(gl, false);
@@ -125,22 +126,24 @@ public class VBORegionSPES2 extends GLRegion {
         setDirty(false);
     }
 
+    @Override
     protected void drawImpl(GL2ES2 gl, RenderState rs, int vp_width, int vp_height, int[/*1*/] texWidth) {
-        verticeAttr.enableBuffer(gl, true);       
+        verticeAttr.enableBuffer(gl, true);
         texCoordAttr.enableBuffer(gl, true);
-        indices.enableBuffer(gl, true);
+        indices.bindBuffer(gl, true); // keeps VBO binding
 
-        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indices.getElementCount() * indices.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);         
+        gl.glDrawElements(GL2ES2.GL_TRIANGLES, indices.getElementCount() * indices.getComponentCount(), GL2ES2.GL_UNSIGNED_SHORT, 0);
 
-        verticeAttr.enableBuffer(gl, false);       
+        indices.bindBuffer(gl, false);
         texCoordAttr.enableBuffer(gl, false);
-        indices.enableBuffer(gl, false);
-    }    
+        verticeAttr.enableBuffer(gl, false);
+    }
 
+    @Override
     public final void destroy(GL2ES2 gl, RenderState rs) {
         if(DEBUG_INSTANCE) {
             System.err.println("VBORegionSPES2 Destroy: " + this);
-        }        
+        }
         final ShaderState st = rs.getShaderState();
         if(null != verticeAttr) {
             st.ownAttribute(verticeAttr, false);
@@ -156,5 +159,5 @@ public class VBORegionSPES2 extends GLRegion {
             indices.destroy(gl);
             indices = null;
         }
-    }    
+    }
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/AttributeNames.java b/src/jogl/classes/jogamp/graph/curve/opengl/shader/AttributeNames.java
index 8a109c34a..b46661778 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/AttributeNames.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/AttributeNames.java
@@ -3,14 +3,14 @@
  *
  * Redistribution and use in source and binary forms, with or without modification, are
  * permitted provided that the following conditions are met:
- * 
+ *
  *    1. Redistributions of source code must retain the above copyright notice, this list of
  *       conditions and the following disclaimer.
- * 
+ *
  *    2. Redistributions in binary form must reproduce the above copyright notice, this list
  *       of conditions and the following disclaimer in the documentation and/or other materials
  *       provided with the distribution.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
@@ -20,7 +20,7 @@
  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  * The views and conclusions contained in the software and documentation are those of the
  * authors and should not be interpreted as representing official policies, either expressed
  * or implied, of JogAmp Community.
@@ -37,9 +37,9 @@ public class AttributeNames {
      */
     public static final int TEXCOORD_ATTR_IDX = 1;
     public static final String TEXCOORD_ATTR_NAME = "gca_TexCoords";
-    
+
     /** The color index in an OGL object
      */
     public static final int COLOR_ATTR_IDX = 2;
-    public static final String COLOR_ATTR_NAME = "gca_Colors";    
+    public static final String COLOR_ATTR_NAME = "gca_Colors";
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/UniformNames.java b/src/jogl/classes/jogamp/graph/curve/opengl/shader/UniformNames.java
index ab6e0dc6e..ce23aadac 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/UniformNames.java
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/UniformNames.java
@@ -3,7 +3,7 @@ package jogamp.graph.curve.opengl.shader;
 public class UniformNames {
     public static final String gcu_PMVMatrix = "gcu_PMVMatrix"; // gcu_PMVMatrix[3]; // P, Mv, and Mvi
     public static final String gcu_ColorStatic = "gcu_ColorStatic";
-    public static final String gcu_Alpha = "gcu_Alpha"; 
+    public static final String gcu_Alpha = "gcu_Alpha";
     public static final String gcu_Weight = "gcu_Weight";
     public static final String gcu_TextureUnit = "gcu_TextureUnit";
     public static final String gcu_TextureSize = "gcu_TextureSize";
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-1pass-weight.fp
index d31bafb5a..7643dab7b 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-xxx.fp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-1pass-weight.fp
@@ -4,6 +4,13 @@
 // 1-pass shader w/ weight

 //

 

+#if __VERSION__ >= 130

+  #define varying in

+  out vec4 mgl_FragColor;

+#else

+  #define mgl_FragColor gl_FragColor

+#endif

+

 #include uniforms.glsl

 #include varyings.glsl

 

@@ -44,5 +51,5 @@ void main (void)
         }

     }

 

-    gl_FragColor = vec4(c, alpha);

+    mgl_FragColor = vec4(c, alpha);

 }

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-1pass.fp
index f3a88adef..e12eef4b1 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-xxx.fp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-1pass.fp
@@ -4,6 +4,13 @@
 // 1-pass shader w/o weight
 //
 
+#if __VERSION__ >= 130
+  #define varying in
+  out vec4 mgl_FragColor;
+#else
+  #define mgl_FragColor gl_FragColor
+#endif
+
 #include uniforms.glsl
 #include varyings.glsl
 
@@ -38,5 +45,5 @@ void main (void)
         }
     }
     
-    gl_FragColor = vec4(c, alpha);
+    mgl_FragColor = vec4(c, alpha);
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-2pass-weight.fp
index be738498c..fb71abd14 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-xxx.fp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-2pass-weight.fp
@@ -4,6 +4,14 @@
 // 2-pass shader w/ weight

 //

 

+#if __VERSION__ >= 130

+  #define varying in

+  out vec4 mgl_FragColor;

+  #define texture2D texture

+#else

+  #define mgl_FragColor gl_FragColor

+#endif

+

 #include uniforms.glsl

 #include varyings.glsl

 

@@ -48,10 +56,11 @@ void main (void)
         t += texture2D(gcu_TextureUnit, rtex + 4.0*size*(vec2(0, 1)))*tex_weights.w;

         t += texture2D(gcu_TextureUnit, rtex - 4.0*size*(vec2(0, 1)))*tex_weights.w;

         

-        /** discard freezes NV tegra2 compiler

+        #if 0

         if(t.w == 0.0) {

-            discard;

-        } */

+            discard; // discard freezes NV tegra2 compiler

+        }

+        #endif

         

         c = t.xyz;

         alpha = gcu_Alpha * t.w;

@@ -84,5 +93,5 @@ void main (void)
         }

     }

 

-    gl_FragColor = vec4(c, alpha);

+    mgl_FragColor = vec4(c, alpha);

 }

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-xxx.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-2pass.fp
index 879e41e4c..8e5600dd9 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-xxx.fp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-2pass.fp
@@ -4,6 +4,14 @@
 // 2-pass shader w/o weight
 //
 
+#if __VERSION__ >= 130
+  #define varying in
+  out vec4 mgl_FragColor;
+  #define texture2D texture
+#else
+  #define mgl_FragColor gl_FragColor
+#endif
+
 #include uniforms.glsl
 #include varyings.glsl
 
@@ -49,10 +57,11 @@ void main (void)
         t += texture2D(gcu_TextureUnit, rtex + 4.0*size*(vec2(0, 1)))*tex_weights.w;
         t += texture2D(gcu_TextureUnit, rtex - 4.0*size*(vec2(0, 1)))*tex_weights.w;
         
-        /** discard freezes NV tegra2 compiler
+        #if 0
         if(t.w == 0.0){
-            discard;
-        } */
+            discard; // discard freezes NV tegra2 compiler
+        }
+        #endif
         
         c = t.xyz;
         alpha = gcu_Alpha * t.w;
@@ -78,5 +87,5 @@ void main (void)
         }
     }
 
-    gl_FragColor = vec4(c, alpha);
+    mgl_FragColor = vec4(c, alpha);
 }
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2-merged.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2-merged.vp
deleted file mode 100644
index 530b24f64..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2-merged.vp
+++ /dev/null
@@ -1,19 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#ifdef GL_ES
-  precision lowp float;
-  precision lowp int;
-#endif
-
-uniform mat4    gcu_PMVMatrix[3]; // P, Mv, and Mvi
-varying vec2    gcv_TexCoord;
-
-attribute vec4    gca_Vertices;
-attribute vec2    gca_TexCoords;
-
-
-void main(void)
-{
-  gl_Position = gcu_PMVMatrix[0] * gcu_PMVMatrix[1] * gca_Vertices;
-  gcv_TexCoord = gca_TexCoords;
-}
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2.vp
deleted file mode 100644
index 15ce8cc2b..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-es2.vp
+++ /dev/null
@@ -1,9 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 100
-
-precision mediump float;
-precision mediump int;
-
-#include curverenderer01-xxx.vp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-gl2.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-gl2.vp
deleted file mode 100644
index 1ac33e8b3..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-gl2.vp
+++ /dev/null
@@ -1,6 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 110
-
-#include curverenderer01-xxx.vp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-xxx.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.vp
index 64a6835ec..4b5c8b1e2 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-xxx.vp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01.vp
@@ -1,5 +1,10 @@
 //Copyright 2010 JogAmp Community. All rights reserved.
 
+#if __VERSION__ >= 130
+  #define attribute in
+  #define varying out
+#endif
+
 #include uniforms.glsl
 #include attributes.glsl
 #include varyings.glsl
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2-merged.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2-merged.fp
deleted file mode 100644
index da32df51f..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2-merged.fp
+++ /dev/null
@@ -1,52 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#ifdef GL_ES
-  precision lowp float;
-  precision lowp int;
-#endif
-
-uniform mat4    gcu_PMVMatrix[3]; // P, Mv, and Mvi
-uniform vec3    gcu_ColorStatic;
-uniform float   gcu_Alpha;
-
-varying vec2    gcv_TexCoord;
-
-const vec3 b_color = vec3(1.0, 1.0, 1.0);
-
-void main (void)
-{
-    vec2 rtex = vec2(abs(gcv_TexCoord.x),abs(gcv_TexCoord.y));
-    vec3 c = gcu_ColorStatic;
-    
-    float alpha = 0.0;
-    
-    if((gcv_TexCoord.x == 0.0) && (gcv_TexCoord.y == 0.0)) {
-         alpha = gcu_Alpha;
-    }
-    else if ((gcv_TexCoord.x > 0.0) && (rtex.y > 0.0 || rtex.x == 1.0)) {
-        vec2 dtx = dFdx(rtex);
-        vec2 dty = dFdy(rtex);
-          
-        rtex.y -= 0.1;
-          
-        if(rtex.y < 0.0) {
-          rtex.y = 0.0;
-        }
-          
-        vec2 f = vec2((dtx.y - dtx.x + 2.0*rtex.x*dtx.x), (dty.y - dty.x + 2.0*rtex.x*dty.x));
-        float position = rtex.y - (rtex.x * (1.0 - rtex.x));
-        float d = position/(length(f));
-
-        float a = (0.5 - d * sign(gcv_TexCoord.y));  
-        
-        if (a >= 1.0)  { 
-            alpha = gcu_Alpha;
-        } else if (a <= 0.0) {
-            alpha=0.0;
-        } else {           
-            alpha = gcu_Alpha * a;
-        }
-    }
-    
-    gl_FragColor = vec4(c, alpha);
-}
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2.fp
deleted file mode 100644
index e693891a6..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-es2.fp
+++ /dev/null
@@ -1,13 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 100
-
-// we require dFdx/dFdy
-// #extension OES_standard_derivatives : require
-#extension GL_OES_standard_derivatives : enable
-
-precision mediump float;
-precision mediump int;
-
-#include curverenderer01a-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-gl2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-gl2.fp
deleted file mode 100644
index d187fea24..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01a-gl2.fp
+++ /dev/null
@@ -1,6 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 110
-
-#include curverenderer01a-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-es2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-es2.fp
deleted file mode 100644
index 2e709630d..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-es2.fp
+++ /dev/null
@@ -1,14 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 100
-
-// we require dFdx/dFdy
-// #extension OES_standard_derivatives : require
-#extension GL_OES_standard_derivatives : enable
-
-precision mediump float;
-precision mediump int;
-precision mediump sampler2D;
-
-#include curverenderer01b-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-gl2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-gl2.fp
deleted file mode 100644
index 01e08ff30..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01b-gl2.fp
+++ /dev/null
@@ -1,6 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 110
-
-#include curverenderer01b-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-es2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-es2.fp
deleted file mode 100644
index b52420350..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-es2.fp
+++ /dev/null
@@ -1,14 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 100
-
-// we require dFdx/dFdy
-// #extension OES_standard_derivatives : require
-#extension GL_OES_standard_derivatives : enable
-
-precision mediump float;
-precision mediump int;
-precision mediump sampler2D;
-
-#include curverenderer02a-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-gl2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-gl2.fp
deleted file mode 100644
index 01715daa5..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02a-gl2.fp
+++ /dev/null
@@ -1,6 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 110
-
-#include curverenderer02a-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-es2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-es2.fp
deleted file mode 100644
index e0486dd7b..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-es2.fp
+++ /dev/null
@@ -1,14 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 100
-
-// we require dFdx/dFdy
-// #extension OES_standard_derivatives : require
-#extension GL_OES_standard_derivatives : enable
-
-precision mediump float;
-precision mediump int;
-precision mediump sampler2D;
-
-#include curverenderer02b-xxx.fp
-
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-gl2.fp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-gl2.fp
deleted file mode 100644
index b1cc72188..000000000
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer02b-gl2.fp
+++ /dev/null
@@ -1,6 +0,0 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
-
-#version 110
-
-#include curverenderer02b-xxx.fp
-