GLSL DataArray/Handler: Remove ShaderState state and pass it through: ShaderState.getShaderState(gl)

This removes the dependency of a GLSL GLDataArray object to a specific ShaderState
and enables sharing of this VBO data, i.e. via a shared context.

Test: TestSharedContextVBOES2NEWT

1 files changed, 92 insertions, 0 deletions

diff --git a/src/jogl/classes/jogamp/opengl/util/GLArrayHandlerInterleaved.java b/src/jogl/classes/jogamp/opengl/util/GLArrayHandlerInterleaved.java
new file mode 100644
index 000000000..8e813a79b
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/GLArrayHandlerInterleaved.java
@@ -0,0 +1,92 @@
+/**
+ * Copyright 2010 JogAmp Community. All rights reserved.
+ *
+ * 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
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * 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.
+ */
+
+package jogamp.opengl.util;
+
+
+import java.nio.Buffer;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.media.opengl.GL;
+
+import com.jogamp.opengl.util.GLArrayDataEditable;
+
+/**
+ * Interleaved fixed function arrays, i.e. where this buffer data 
+ * represents many arrays. 
+ */
+public class GLArrayHandlerInterleaved implements GLArrayHandler {
+  private GLArrayDataEditable ad;
+  private List<GLArrayHandler> subArrays = new ArrayList<GLArrayHandler>();
+
+  public GLArrayHandlerInterleaved(GLArrayDataEditable ad) {
+    this.ad = ad;
+  }
+  
+  public final void addSubHandler(GLArrayHandler handler) {
+      subArrays.add(handler);
+  }
+
+  private final void syncSubData(GL gl, boolean enable, Object ext) {
+      for(int i=0; i<subArrays.size(); i++) {
+          subArrays.get(i).syncData(gl, enable, ext);
+      }      
+  }  
+  
+  public final void syncData(GL gl, boolean enable, Object ext) {
+    if(enable) {
+        final Buffer buffer = ad.getBuffer();
+
+        if(ad.isVBO()) {
+            // always bind and refresh the VBO mgr, 
+            // in case more than one gl*Pointer objects are in use
+            gl.glBindBuffer(ad.getVBOTarget(), ad.getVBOName());
+            if(!ad.isVBOWritten()) {
+                if(null!=buffer) {
+                    gl.glBufferData(ad.getVBOTarget(), buffer.limit() * ad.getComponentSizeInBytes(), buffer, ad.getVBOUsage());
+                }
+                ad.setVBOWritten(true);
+            }
+        }
+        syncSubData(gl, true, ext);
+    } else {
+        syncSubData(gl, false, ext);
+        if(ad.isVBO()) {
+            gl.glBindBuffer(ad.getVBOTarget(), 0);
+        }
+    }
+  }
+  
+  public final void enableState(GL gl, boolean enable, Object ext) {
+    for(int i=0; i<subArrays.size(); i++) {
+        subArrays.get(i).enableState(gl, enable, ext);
+    }      
+  }
+}
+