Moved ES1 and ES2 demos into new packages in preparation for

conversion to platform-independent APIs


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/../svn-server-sync/jogl-demos/trunk@229 3298f667-5e0e-4b4a-8ed4-a3559d26a5f4

1 files changed, 165 insertions, 0 deletions

diff --git a/src/demos/es1/RedSquare.java b/src/demos/es1/RedSquare.java
new file mode 100755
index 0000000..48ede76
--- /dev/null
+++ b/src/demos/es1/RedSquare.java
@@ -0,0 +1,165 @@
+package demos.es1;
+
+import java.nio.*;
+import javax.media.opengl.*;
+import javax.media.opengl.glu.*;
+import com.sun.opengl.impl.egl.*;
+import com.sun.opengl.util.*;
+
+public class RedSquare {
+    public static void main(String[] args) {
+        System.out.println("Basic.main()");
+        try {
+            System.out.println("GLDrawableFactory.getFactory()");
+            EGLDrawableFactory factory = (EGLDrawableFactory) GLDrawableFactory.getFactory();
+
+            /*
+
+            System.out.println("Testing getDirectBufferAddress");
+            factory.testGetDirectBufferAddress();
+
+            */
+
+            System.out.println("EGLDrawableFactory.initialize()");
+            factory.initialize();
+            System.out.println("factory.createExternalGLContext()");
+            GLContext context = factory.createExternalGLContext();
+            // OpenGL context is current at this point
+
+            // The following is a no-op that is only needed to get the
+            // Java-level GLContext object set up in thread-local storage
+            System.out.println("context.makeCurrent()");
+            context.makeCurrent();
+            context.setGL(new DebugGL(context.getGL()));
+
+            GL gl = context.getGL();
+            GLU glu = new GLU();
+
+            //----------------------------------------------------------------------
+            // Code for GLEventListener.init()
+            //
+
+            System.out.println("Entering initialization");
+
+            // Size OpenGL to Video Surface
+            int width = 800;
+            int height = 480;
+            System.out.println("calling glViewport()");
+            //            gl.glViewport(0, 0, width, height);
+            System.out.println("calling glMatrixMode()");
+            gl.glMatrixMode(GL.GL_PROJECTION);
+            System.out.println("calling glLoadIdentity()");
+            gl.glLoadIdentity();
+            System.out.println("calling gluPerspective()");
+            glu.gluPerspective(45.0f, (float)width / (float)height, 1.0f, 100.0f);
+            System.out.println("calling glMatrixMode()");
+            gl.glMatrixMode(GL.GL_MODELVIEW);
+
+            System.out.println("Intialized matrices");
+
+            // Allocate vertex arrays
+            //            FloatBuffer colors   = BufferUtil.newFloatBuffer(12);
+            //            FloatBuffer vertices = BufferUtil.newFloatBuffer(12);
+            //            FloatBuffer normals  = BufferUtil.newFloatBuffer(12);
+            //            FloatBuffer colors   = FloatBuffer.wrap(new float[12]);
+            //            FloatBuffer vertices = FloatBuffer.wrap(new float[12]);
+            //            FloatBuffer normals  = FloatBuffer.wrap(new float[12]);
+            // Fill them up
+            //            colors.put(0, 1);     colors.put( 1, 0);     colors.put( 2, 0);
+            //            colors.put(3, 1);     colors.put( 4, 0);     colors.put( 5, 0);
+            //            colors.put(6, 1);     colors.put( 7, 0);     colors.put( 8, 0);
+            //            colors.put(9, 1);     colors.put(10, 0);     colors.put(11, 0);
+            //            vertices.put(0, -2);  vertices.put( 1,  2);  vertices.put( 2,  0);
+            //            vertices.put(3,  2);  vertices.put( 4,  2);  vertices.put( 5,  0);
+            //            vertices.put(6, -2);  vertices.put( 7, -2);  vertices.put( 8,  0);
+            //            vertices.put(9,  2);  vertices.put(10, -2);  vertices.put(11,  0);
+            //            normals.put(0, 0);  normals.put( 1, 0);  normals.put( 2, 1);
+            //            normals.put(3, 0);  normals.put( 4, 0);  normals.put( 5, 1);
+            //            normals.put(6, 0);  normals.put( 7, 0);  normals.put( 8, 1);
+            //            normals.put(9, 0);  normals.put(10, 0);  normals.put(11, 1);
+
+            //            FloatBuffer data = FloatBuffer.wrap(new float[24]);
+            FloatBuffer data = BufferUtil.newFloatBuffer(12 + 16);
+            // Vertices first
+            data.put(0, -2);  data.put( 1,  2);  data.put( 2,  0);
+            data.put(3,  2);  data.put( 4,  2);  data.put( 5,  0);
+            data.put(6, -2);  data.put( 7, -2);  data.put( 8,  0);
+            data.put(9,  2);  data.put(10, -2);  data.put(11,  0);
+            // Now colors
+            data.put(12, 1);     data.put(13, 0);     data.put(14, 0);     data.put(15, 0);
+            data.put(16, 1);     data.put(17, 0);     data.put(18, 0);     data.put(19, 0);
+            data.put(20, 1);     data.put(21, 0);     data.put(22, 0);     data.put(23, 0);
+            data.put(24, 1);     data.put(25, 0);     data.put(26, 0);     data.put(27, 0);
+
+            System.out.println("Set up buffers");
+
+            int[] vbo = new int[1];
+            gl.glGenBuffers(1, vbo, 0);
+            gl.glBindBuffer(GL.GL_ARRAY_BUFFER, vbo[0]);
+            gl.glBufferData(GL.GL_ARRAY_BUFFER, (12 + 16) * BufferUtil.SIZEOF_FLOAT, data, GL.GL_STATIC_DRAW);
+            gl.glVertexPointer(3, GL.GL_FLOAT, 0, 0);
+            //            gl.glColorPointer(3, GL.GL_FLOAT, 0, 12 * BufferUtil.SIZEOF_FLOAT);
+            gl.glEnableClientState(GL.GL_VERTEX_ARRAY);
+            //            gl.glEnableClientState(GL.GL_COLOR_ARRAY);
+            //            System.out.println("Vertices' address: 0x" + Integer.toHexString(factory.getDirectBufferAddress(vertices)));
+            //            System.out.println("Expected: 0x" + Integer.toHexString(vertices.arrayOffset));
+            //            System.out.println("Colors' address: 0x" + Integer.toHexString(factory.getDirectBufferAddress(colors)));
+            //            System.out.println("Expected: 0x" + Integer.toHexString(colors.arrayOffset));
+            //            gl.glNormalPointer(GL.GL_FLOAT, 0, normals);
+            //            gl.glEnableClientState(GL.GL_NORMAL_ARRAY);
+            //            System.out.println("Normals' address: 0x" + Integer.toHexString(factory.getDirectBufferAddress(normals)));
+            //            System.out.println("Expected: 0x" + Integer.toHexString(normals.arrayOffset));
+            //            System.out.println("Set up vertex, color and normal pointers");
+
+            System.out.println("Set up vertex and color pointers");
+
+            // OpenGL Render Settings
+            gl.glClearColor(0, 0, 0, 1);
+            gl.glClearDepthf(1.0f);
+            gl.glEnable(GL.GL_DEPTH_TEST);
+
+            System.out.println("Set up clear color and clear depth");
+
+            //----------------------------------------------------------------------
+            // Code for GLEventListener.display()
+            //
+            
+            long startTime = System.currentTimeMillis();
+            long curTime;
+            while ((System.currentTimeMillis() - startTime) < 10000) {
+                gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
+
+                System.out.println("Cleared buffers");
+
+                // Set location in front of camera
+                gl.glLoadIdentity();
+                gl.glTranslatef(0, 0, -10);
+
+                System.out.println("Translated");
+
+                // Draw a square
+                gl.glDrawArrays(GL.GL_TRIANGLE_STRIP, 0, 4);
+
+                System.out.println("Drew arrays");
+
+                // FIXME -- need an external GLDrawable
+                factory.swapBuffers();
+
+                System.out.println("Swapped buffers");
+
+                // Process events
+                factory.processEvents();
+
+                // Sleep a bit
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException e) {
+                }
+            }
+        } catch (GLException e) {
+            e.printStackTrace();
+        }
+
+        System.exit(0);
+    }
+}