From ba5d008073c566fae6499e2e9aad9bc28a7c8644 Mon Sep 17 00:00:00 2001
From: codeanticode <andres.colubri@gmail.com>
Date: Sun, 18 Apr 2010 05:34:02 +0000
Subject: [PATCH] noClear method partially working in A3D.

---
 .../processing/core/PGraphicsAndroid3D.java   | 39 +++++++++++++------
 1 file changed, 28 insertions(+), 11 deletions(-)

diff --git a/android/core/src/processing/core/PGraphicsAndroid3D.java b/android/core/src/processing/core/PGraphicsAndroid3D.java
index 000bc0379..e50a13a57 100644
--- a/android/core/src/processing/core/PGraphicsAndroid3D.java
+++ b/android/core/src/processing/core/PGraphicsAndroid3D.java
@@ -422,36 +422,49 @@ public class PGraphicsAndroid3D extends PGraphics {
   
   
   protected void createScreenTexture() {
-    // Screen texture hasn't been initialized yet or the screen changed size..
-    int[] pix = new int[width * height];
-    for (int i = 0; i < width * height; i++) pix[i] = 0xFF0000;
+    // Screen texture hasn't been initialized yet or the screen changed size.
+    //int w = width;
+    //int h = height;
+    int w = 256;
+    int h = 512;
+
+
+    int[] pix = new int[w * h];
+    for (int i = 0; i < w * h; i++) pix[i] = 0xFF000000;
       
     // The screen texture must have NEAREST filtering, otherwise it degrades after consecutive
     // renderings.
-    screenTex = parent.createImage(width, height, ARGB, NEAREST);
+    screenTex = parent.createImage(w, h, ARGB, NEAREST);
     screenTex.getTexture().set(pix);
   }
   
   
   protected void drawScreenTexture() {
     // TODO: try using glDrawTexiOES
-    //tint(255);
+    tint(255);
+    fill(255);
+    int w = 256;
+    int h = 512;
+    
     beginShape(QUADS);
     texture(screenTex);
-    vertex(0, 0, 0, screenTex.height);
-    vertex(width, 0, screenTex.width, screenTex.height);
-    vertex(width, height, screenTex.width, 0);
+    vertex(0, height - h, 0, h);
+    vertex(w, height - h, w, h);
+    vertex(w, height, w, 0);
     vertex(0, height, 0, 0);
     endShape();
   }
 
   
   protected void copyFrameToScreenTexture() {
+    int w = 256;
+    int h = 512;
+    
     gl.glFinish(); // Make sure that the execution off all the openGL commands is finished.
     gl.glBindTexture(GL10.GL_TEXTURE_2D, screenTex.getTexture().getGLTextureID());
     //TODO: try using glCopyTexSubImage2D
-    //gl.glCopyTexSubImage2D(GL10.GL_TEXTURE_2D, 0, 0, 0, 0, 0, width, height);
-    gl.glCopyTexImage2D(GL10.GL_TEXTURE_2D, 0, GL10.GL_RGB, 0,0, 256, 256, 0);
+    //gl.glCopyTexSubImage2D(GL10.GL_TEXTURE_2D, 0, 0, 0, 0, 0, w, h);
+    gl.glCopyTexImage2D(GL10.GL_TEXTURE_2D, 0, GL10.GL_RGB, 0,0, w, h, 0);
     gl.glBindTexture(GL10.GL_TEXTURE_2D, 0);
   }
   
@@ -546,9 +559,13 @@ public class PGraphicsAndroid3D extends PGraphics {
       gl.glClearColor(0, 0, 0, 0);
       gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);          
     } else {
-      if (screenTex == null || screenTex.width != width || screenTex.height != height ) {
+      //if (screenTex == null || screenTex.width != width || screenTex.height != height ) {
+      if (screenTex == null) {
         createScreenTexture();  
       }
+       gl.glClearColor(0, 0, 0, 0);
+       gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);                  
+      
       drawScreenTexture();
     }