From http://www.jwz.org/xscreensaver/xscreensaver-5.31.tar.gz

[xscreensaver] / android / project / xscreensaver / src / org / jwz / xscreensaver / ARenderer.java

diff --git a/android/project/xscreensaver/src/org/jwz/xscreensaver/ARenderer.java b/android/project/xscreensaver/src/org/jwz/xscreensaver/ARenderer.java
new file mode 100644 (file)
index 0000000..fd65be1
--- /dev/null
+++ b/android/project/xscreensaver/src/org/jwz/xscreensaver/ARenderer.java
@@ -0,0 +1,132 @@
+package org.jwz.xscreensaver;
+
+import javax.microedition.khronos.egl.EGLConfig;
+import javax.microedition.khronos.opengles.GL10;
+
+import net.rbgrn.android.glwallpaperservice.*;
+import android.opengl.GLU;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+
+
+// Original code provided by Robert Green
+// http://www.rbgrn.net/content/354-glsurfaceview-adapted-3d-live-wallpapers
+public class ARenderer implements GLWallpaperService.Renderer {
+
+    CallNative cn;
+    boolean secondRun = false;
+
+    // Used for Lighting
+    //private static float[] ambientComponent0 = {0.3f, 0.3f, 1.0f, 1.0f};
+    //private static float[] ambientComponent0 = {0.3f, 0.3f, 0.3f, 1.0f};
+    private static float[] ambientComponent0 = {0.5f, 0.5f, 0.5f, 1.0f};
+    private static float[] diffuseComponent0 = {1.0f, 1.0f, 1.0f, 1.0f};
+    private static float[] lightPosition0 =    {1f, 1f, -1f, 0f};
+
+    public void onDrawFrame(GL10 gl) {
+        if (!secondRun) {
+            secondRun = true;
+            return;
+        }
+        //gl.glClearColor(0.2f, 0.6f, 0.2f, 1f);
+        gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);
+    }
+
+    public void onSurfaceChanged(GL10 gl, int width, int height) {
+
+        gl.glMatrixMode(GL10.GL_PROJECTION);
+        gl.glLoadIdentity();
+        GLU.gluPerspective(gl, 60f, (float)width/(float)height, 1f, 100f);
+
+        gl.glMatrixMode(GL10.GL_MODELVIEW);
+        gl.glLoadIdentity();
+
+        gl.glMatrixMode(GL10.GL_MODELVIEW);
+        gl.glTranslatef(0, 0, -5);
+        gl.glRotatef(30f, 1, 0, 0);
+
+        gl.glEnable(GL10.GL_LIGHTING);
+        gl.glEnable(GL10.GL_RESCALE_NORMAL);
+        gl.glEnableClientState(GL10.GL_NORMAL_ARRAY);
+//Set the color of light bouncing off of surfaces to respect the surface color
+        gl.glEnable(GL10.GL_COLOR_MATERIAL);
+
+        setupLightSources(gl);
+
+// Turn on a global ambient light. The "Cosmic Background Radiation", if you will.
+        //float[] ambientLightRGB = {0.3f, 0.3f, 0.3f, 1.0f};
+        float[] ambientLightRGB = {0.5f, 0.5f, 0.5f, 1.0f};
+        gl.glLightModelfv(GL10.GL_LIGHT_MODEL_AMBIENT, ambientLightRGB, 0);
+        NonSurfaceChanged(width, height);
+    }
+
+    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
+
+        if (!secondRun) {
+            return;
+        }
+        cn = new CallNative();
+
+        gl.glClearDepthf(1f);
+        gl.glEnable(GL10.GL_DEPTH_TEST);
+        gl.glDepthFunc(GL10.GL_LEQUAL);
+
+//Turn on culling, so OpenGL only draws one side of the primitives
+        gl.glEnable(GL10.GL_CULL_FACE);
+//Define the front of a primitive to be the side where the listed vertexes are counterclockwise
+        gl.glFrontFace(GL10.GL_CCW);
+//Do not draw the backs of primitives
+        gl.glCullFace(GL10.GL_BACK);
+
+    }
+
+    private void setupLightSources(GL10 gl) {
+        if (!secondRun) {
+            return;
+        }
+        //Enable Light source 0
+        gl.glEnable(GL10.GL_LIGHT0);
+
+        //Useful part of the Arrays start a 0
+        gl.glLightfv(GL10.GL_LIGHT0, GL10.GL_AMBIENT, ambientComponent0, 0);
+        gl.glLightfv(GL10.GL_LIGHT0, GL10.GL_DIFFUSE, diffuseComponent0, 0);
+
+        //Position the light in the scene
+        gl.glLightfv(GL10.GL_LIGHT0, GL10.GL_POSITION, lightPosition0, 0);
+    }
+
+    /**
+     * Called when the engine is destroyed. Do any necessary clean up because
+     * at this point your renderer instance is now done for.
+     */
+    public void release() {
+        NonDone();
+
+    }
+
+    public void NonSurfaceCreated() {
+        cn.nativeInit();
+    }
+
+    void NonSurfaceChanged(int w, int h) {
+        if (!secondRun) {
+            return;
+        }
+        cn.nativeResize(w, h);
+    }
+
+    void NonDrawFrame() {
+        cn.nativeRender();
+    }
+
+    void NonDone() {
+        cn.nativeDone();
+    }
+
+    static
+    {
+        System.loadLibrary ("xscreensaver");
+    }
+
+}