summaryrefslogtreecommitdiffstats
path: root/src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java')
-rw-r--r--src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java b/src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java
new file mode 100644
index 000000000..ad88a7030
--- /dev/null
+++ b/src/jogl/classes/jogamp/opengl/util/GLVBOArrayHandler.java
@@ -0,0 +1,73 @@
+/**
+ * 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 abstract class GLVBOArrayHandler implements GLArrayHandler {
+ protected GLArrayDataEditable ad;
+
+ public GLVBOArrayHandler(GLArrayDataEditable ad) {
+ this.ad = ad;
+ }
+
+ public final boolean bindBuffer(GL gl, boolean bind) {
+ if( !ad.isVBO() ) {
+ return false;
+ }
+ if(bind) {
+ // 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()) {
+ final Buffer buffer = ad.getBuffer();
+ if(null!=buffer) {
+ gl.glBufferData(ad.getVBOTarget(), buffer.limit() * ad.getComponentSizeInBytes(), buffer, ad.getVBOUsage());
+ }
+ ad.setVBOWritten(true);
+ }
+ } else {
+ gl.glBindBuffer(ad.getVBOTarget(), 0);
+ }
+ return true;
+ }
+
+}
+