Folded turtle2d into jogl folders

1 files changed, 206 insertions, 0 deletions

diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java b/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java
new file mode 100755
index 000000000..c1f293fff
--- /dev/null
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/RegionRendererImpl01.java
@@ -0,0 +1,206 @@
+/**

+ * 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.graph.curve.opengl;

+

+import java.nio.FloatBuffer;

+import javax.media.opengl.GL2ES2;

+import javax.media.opengl.GLException;

+import javax.media.opengl.GLUniformData;

+import javax.media.opengl.fixedfunc.GLMatrixFunc;

+

+import com.jogamp.graph.curve.OutlineShape;

+import com.jogamp.graph.curve.Region;

+import com.jogamp.graph.curve.opengl.RegionRenderer;

+import com.jogamp.graph.geom.Vertex;

+import com.jogamp.opengl.util.glsl.ShaderCode;

+import com.jogamp.opengl.util.glsl.ShaderProgram;

+import com.jogamp.opengl.util.glsl.ShaderState;

+

+

+public class RegionRendererImpl01 extends RegionRenderer {

+	/**Sharpness is equivalent to the value of t value of texture coord

+	 * on the off-curve vertex. The high value of sharpness will 

+	 * result in high curvature.

+	 */

+    private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f);

+    GLUniformData mgl_alpha = new GLUniformData("g_alpha", 1.0f);

+    private GLUniformData mgl_color = new GLUniformData("g_color", 3, FloatBuffer.allocate(3));

+    private GLUniformData mgl_strength = new GLUniformData("a_strength", 3.0f);

+    

+    public RegionRendererImpl01(Vertex.Factory<? extends Vertex> factory, int type) {

+        super(factory, type);

+    }

+    

+    protected boolean initImpl(GL2ES2 gl) {

+        boolean VBOsupported = gl.isFunctionAvailable("glGenBuffers") &&

+            gl.isFunctionAvailable("glBindBuffer") &&

+            gl.isFunctionAvailable("glBufferData") &&

+            gl.isFunctionAvailable("glDrawElements") &&

+            gl.isFunctionAvailable("glVertexAttribPointer") &&

+            gl.isFunctionAvailable("glDeleteBuffers");

+        

+        if(DEBUG) {

+            System.err.println("RegionRenderer: VBO Supported = " + VBOsupported);

+        }

+        

+        if(!VBOsupported){

+            return false;

+        }

+        

+        gl.glEnable(GL2ES2.GL_BLEND);

+        gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA);

+        

+        ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, RegionRendererImpl01.class,

+                "shader", "shader/bin", "curverenderer01");

+        ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, RegionRendererImpl01.class,

+                "shader", "shader/bin", "curverenderer01");

+    

+        ShaderProgram sp = new ShaderProgram();

+        sp.add(rsVp);

+        sp.add(rsFp);

+    

+        if(!sp.link(gl, System.err)) {

+            throw new GLException("RegionRenderer: Couldn't link program: "+sp);

+        }

+    

+        st = new ShaderState();

+        st.attachShaderProgram(gl, sp);

+        gl.glBindAttribLocation(sp.id(), 0, "v_position");

+        gl.glBindAttribLocation(sp.id(), 1, "texCoord");

+        

+        st.glUseProgram(gl, true);

+    

+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);

+        pmvMatrix.glLoadIdentity();

+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);

+        pmvMatrix.glLoadIdentity();

+        

+        pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);

+        pmvMatrix.glLoadIdentity();

+        resetModelview(null);

+    

+        mgl_PMVMatrix = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());                  

+        if(!st.glUniform(gl, mgl_PMVMatrix)) {

+            if(DEBUG){

+                System.err.println("Error setting PMVMatrix in shader: "+st);

+            }

+            return false;

+        }

+        

+        if(!st.glUniform(gl, mgl_sharpness)) {

+            if(DEBUG){

+                System.err.println("Error setting sharpness in shader: "+st);

+            }

+            return false;

+        }

+                

+        if(!st.glUniform(gl, mgl_alpha)) {

+            if(DEBUG){

+                System.err.println("Error setting global alpha in shader: "+st);

+            }

+            return false;

+        }       

+        

+        if(!st.glUniform(gl, mgl_color)) {

+            if(DEBUG){

+                System.err.println("Error setting global color in shader: "+st);

+            }

+            return false;

+        }       

+        

+        if(!st.glUniform(gl, mgl_strength)) {

+            System.err.println("Error setting antialias strength in shader: "+st);

+        }

+        

+        if(DEBUG) {

+            System.err.println("RegionRendererImpl01 initialized: " + Thread.currentThread()+" "+st);

+        }

+        return true;

+    }

+

+    @Override

+    protected void disposeImpl(GL2ES2 gl) {

+    }

+    

+    

+    @Override

+    public float getAlpha() {

+        return mgl_alpha.floatValue();

+    }

+

+    @Override

+    public void setAlpha(GL2ES2 gl, float alpha_t) {

+        mgl_alpha.setData(alpha_t);

+        if(null != gl && st.inUse()) {

+            st.glUniform(gl, mgl_alpha);

+        }

+    }

+    

+    @Override

+    public void setColor(GL2ES2 gl, float r, float g, float b){

+        FloatBuffer fb = (FloatBuffer) mgl_color.getBuffer();

+        fb.put(0, r);

+        fb.put(1, r);

+        fb.put(2, r);

+        if(null != gl && st.inUse()) {

+            st.glUniform(gl, mgl_color);

+        }

+    }

+    

+	

+	@Override

+    public void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize) {

+		if(!isInitialized()){

+			throw new GLException("RegionRendererImpl01: not initialized!");

+		}

+		int hashCode = getHashCode(outlineShape);

+		Region region = regions.get(hashCode);

+		

+		if(null == region) {

+			region = createRegion(gl, outlineShape, mgl_sharpness.floatValue());

+			regions.put(hashCode, region);

+		}		

+		region.render(pmvMatrix, vp_width, vp_height, texSize);

+	}

+	

+	@Override

+    public void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize) {

+        if(!isInitialized()){

+            throw new GLException("RegionRendererImpl01: not initialized!");

+        }

+		

+		int hashCode = getHashCode(outlineShapes);

+		Region region = regions.get(hashCode);

+		

+		if(null == region) {

+            region = createRegion(gl, outlineShapes, mgl_sharpness.floatValue());

+			regions.put(hashCode, region);

+		}		

+        region.render(pmvMatrix, vp_width, vp_height, texSize);

+	}	

+}