From 7aa43510b56887d9199b3a479e2dd3b88e363ce1 Mon Sep 17 00:00:00 2001
From: codeanticode <andres.colubri@gmail.com>
Date: Mon, 25 Apr 2011 03:37:55 +0000
Subject: [PATCH] Some debugging methods for indexed mode in PShape3D

---
 .../processing/opengl2/PGraphicsOpenGL2.java  | 20 +++++++++-
 .../src/processing/opengl2/PShape3D.java      | 40 ++++++++++++++++++-
 2 files changed, 57 insertions(+), 3 deletions(-)

diff --git a/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java b/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
index 225982884..12c6ce4dc 100644
--- a/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
+++ b/java/libraries/opengl2/src/processing/opengl2/PGraphicsOpenGL2.java
@@ -852,6 +852,14 @@ public class PGraphicsOpenGL2 extends PGraphics {
   public GLCapabilities getCapabilities() {
     return capabilities;
   }  
+
+  
+  /**
+   * Get the current drawable.
+   */  
+  public GLDrawable getDrawable() {
+    return drawable;
+  }
   
   
   /**
@@ -6687,7 +6695,9 @@ public class PGraphicsOpenGL2 extends PGraphics {
     profile = null;      
     
     profile = GLProfile.getDefault();
-    profile = GLProfile.get(GLProfile.GL2ES1);
+    //profile = GLProfile.get(GLProfile.GL2ES1);
+    //profile = GLProfile.get(GLProfile.GL4bc);
+    //profile = GLProfile.getMaxProgrammable();    
     pipeline = FIXED;
 
     /*
@@ -6744,6 +6754,9 @@ public class PGraphicsOpenGL2 extends PGraphics {
     GLDrawableFactory factory = GLDrawableFactory.getFactory(profile);
     drawable = factory.createGLDrawable(win);
     context = drawable.createContext(null);    
+    
+    PApplet.println("PROFILE:\n" + profile);
+    PApplet.println("CONTEXT:\n" + context);
   }
   
   
@@ -6837,6 +6850,11 @@ public class PGraphicsOpenGL2 extends PGraphics {
   
   protected void getGLObjects() {
     gl = context.getGL();        
+    
+    //PApplet.println("GL:\n" + gl.getClass());
+    //PApplet.println("GL3:\n" + gl.getGL4bc());
+    
+    
     if (pipeline == PROG_GL4) {
       gl4p = gl.getGL4();
       gl3p = gl4p;
diff --git a/java/libraries/opengl2/src/processing/opengl2/PShape3D.java b/java/libraries/opengl2/src/processing/opengl2/PShape3D.java
index cb0f7684f..029c15f49 100644
--- a/java/libraries/opengl2/src/processing/opengl2/PShape3D.java
+++ b/java/libraries/opengl2/src/processing/opengl2/PShape3D.java
@@ -95,6 +95,7 @@ public class PShape3D extends PShape {
   protected IntBuffer indexBuffer = null;
   protected int indexCount = 0;
   protected int[] indices;
+  protected boolean useIndices;
   
   // To put the texture coordinate values adjusted according to texture 
   // flipping mode, max UV range, etc.
@@ -1892,6 +1893,7 @@ public class PShape3D extends PShape {
     gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0); 
     
     indices = new int[indexCount];
+    useIndices = true;
   }
   
   public void setIndices(ArrayList<Integer> recordedIndices) {
@@ -1907,6 +1909,40 @@ public class PShape3D extends PShape {
     gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, 0);    
   }
   
+  public void setIndices(int src[]) {
+    gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, glIndexBufferID);
+    indexBuffer = gl.glMapBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, GL.GL_WRITE_ONLY).asIntBuffer();
+    
+    PApplet.arrayCopy(src, indices);
+    indexBuffer.put(indices);    
+    
+    gl.glUnmapBuffer(GL.GL_ELEMENT_ARRAY_BUFFER);
+    gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, 0);    
+  }    
+    
+  public void useIndices(boolean val) {
+    if (family == GROUP) {
+      init();
+      for (int i = 0; i < childCount; i++) {
+        useIndices(i, val);
+      }            
+    } else { 
+      useIndices = val;
+    }
+  }
+  
+  public void useIndices(int idx, boolean val) {
+    if (0 <= idx && idx < childCount) {
+      ((PShape3D)children[idx]).useIndices = val;
+      
+      // Debugging. This mess needs to be fixed soon, which means 
+      // using the indexed mode everywhere and sorting out the 
+      // issues with children data.      
+      ((PShape3D)children[idx]).firstIndex = 0;
+      ((PShape3D)children[idx]).lastIndex = indexCount - 1;
+    }
+  }  
+  
   ////////////////////////////////////////////////////////////  
   
   // Data allocation, deletion.
@@ -2425,8 +2461,8 @@ public class PShape3D extends PShape {
         pgl.setFillColor();                  
       }              
     }
-
-    if (glIndexBufferID != 0) {
+    
+    if (glIndexBufferID != 0 && useIndices) {
       gl.glBindBuffer(GL.GL_ELEMENT_ARRAY_BUFFER, glIndexBufferID);
       // Here the vertex indices are understood as the range of indices.
       int last = lastIndex;