Add initial GPU based curve rendering implementation, utilizing TTF fonts and manual shapes

2 files changed, 548 insertions, 0 deletions

diff --git a/src/jogamp/graph/curve/opengl/VBORegion2PGL3.java b/src/jogamp/graph/curve/opengl/VBORegion2PGL3.java
new file mode 100644
index 000000000..c5182059e
--- /dev/null
+++ b/src/jogamp/graph/curve/opengl/VBORegion2PGL3.java
@@ -0,0 +1,363 @@
+/**
+ * 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 java.nio.IntBuffer;
+import java.nio.ShortBuffer;
+import java.util.ArrayList;
+
+import javax.media.opengl.GL3;
+import javax.media.opengl.GLContext;
+import javax.media.opengl.GLUniformData;
+import javax.media.opengl.fixedfunc.GLMatrixFunc;
+
+import com.jogamp.common.nio.Buffers;
+
+import com.jogamp.graph.geom.AABBox;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.geom.PointTex;
+
+import com.jogamp.graph.curve.Region;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class VBORegion2PGL3  implements Region{
+	private int numVertices = 0;
+	private IntBuffer vboIds;
+	
+	private IntBuffer t_vboIds;
+	
+	private ArrayList<Triangle<PointTex>> triangles = new ArrayList<Triangle<PointTex>>();
+	private ArrayList<PointTex> vertices = new ArrayList<PointTex>();
+	private GLContext context;
+	
+	private int numBuffers = 3;
+	
+	private boolean flipped = false;
+	
+	private boolean dirty = false;
+	
+	private AABBox box = null;
+	private IntBuffer texture = IntBuffer.allocate(1);
+	private IntBuffer fbo = IntBuffer.allocate(1);
+	private IntBuffer rbo = IntBuffer.allocate(1);
+	private boolean texInitialized = false;
+
+	private int tex_width_c = 0;
+	private int tex_height_c = 0;
+	
+	private ShaderState st;
+	
+	public VBORegion2PGL3(GLContext context, ShaderState st){
+		this.context =context;
+		this.st = st;
+	}
+	
+	public void update(){
+		box = new AABBox();
+		
+		GL3 gl = context.getGL().getGL3();
+		ShortBuffer indicies = Buffers.newDirectShortBuffer(triangles.size() * 3);
+		
+		for(Triangle<PointTex> t:triangles){
+			if(t.getVertices()[0].getId() == Integer.MAX_VALUE){
+				t.getVertices()[0].setId(numVertices++);
+				t.getVertices()[1].setId(numVertices++);
+				t.getVertices()[2].setId(numVertices++);
+				
+				vertices.add(t.getVertices()[0]);
+				vertices.add(t.getVertices()[1]);
+				vertices.add(t.getVertices()[2]);
+				
+				indicies.put((short) t.getVertices()[0].getId());
+				indicies.put((short) t.getVertices()[1].getId());
+				indicies.put((short) t.getVertices()[2].getId());
+			}
+			else{
+				PointTex v1 = t.getVertices()[0];
+				PointTex v2 = t.getVertices()[1];
+				PointTex v3 = t.getVertices()[2];
+				
+				indicies.put((short) v1.getId());
+				indicies.put((short) v2.getId());
+				indicies.put((short) v3.getId());
+			}
+		}
+		indicies.rewind();
+		
+		FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 3);
+		for(PointTex v:vertices){
+			verticesBuffer.put(v.getX());
+			if(flipped){
+				verticesBuffer.put(-1*v.getY());
+			}
+			else{
+				verticesBuffer.put(v.getY());
+			}
+			verticesBuffer.put(v.getZ());
+			
+			box.resize(v.getX(), -1*v.getY(), v.getZ());
+		}
+		verticesBuffer.rewind();
+		
+		FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 2);
+		for(PointTex v:vertices){
+			float[] tex = v.getTexCoord();
+			texCoordBuffer.put(tex[0]);
+			texCoordBuffer.put(tex[1]);
+		}
+		texCoordBuffer.rewind();
+
+		vboIds = IntBuffer.allocate(numBuffers);
+		gl.glGenBuffers(numBuffers, vboIds);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, vboIds.get(0)); // vertices
+		gl.glBufferData(GL3.GL_ARRAY_BUFFER, numVertices * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, vboIds.get(1)); //texture
+		gl.glBufferData(GL3.GL_ARRAY_BUFFER, numVertices * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2)); //triangles
+		gl.glBufferData(GL3.GL_ELEMENT_ARRAY_BUFFER, triangles.size()* 3 * Buffers.SIZEOF_SHORT, indicies, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, 0);
+		
+		dirty = false;
+	}
+	
+	public void render(PMVMatrix matrix, int vp_width, int vp_height, int width){
+		if(null == matrix || vp_width <=0 || vp_height <= 0 || width <= 0){
+			renderRegion();
+		}
+		else {
+			if(width != tex_width_c){
+				texInitialized = false;
+				tex_width_c = width;
+			}
+			if(!texInitialized){
+				initFBOTexture(matrix,vp_width, vp_height);
+				texInitialized = true;
+			}
+//			System.out.println("Scale: " + matrix.glGetMatrixf().get(1+4*3) +" " + matrix.glGetMatrixf().get(2+4*3));
+			renderTexture(matrix, vp_width, vp_height);
+		}
+	}
+	
+	private void renderTexture(PMVMatrix matrix, int width, int hight){
+		GL3 gl = context.getGL().getGL3();
+	    gl.glViewport(0, 0, width, hight);
+	    if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, matrix.glGetPMvMatrixf()))){
+	    	System.out.println("Cnt set tex based mat");
+	    }
+	    gl.glEnable(GL3.GL_TEXTURE_2D);
+	    gl.glActiveTexture(GL3.GL_TEXTURE0);
+	    gl.glBindTexture(GL3.GL_TEXTURE_2D, texture.get(0));
+	    
+	    st.glUniform(gl, new GLUniformData("texture", texture.get(0)));
+	    int loc = gl.glGetUniformLocation(st.shaderProgram().id(), "texture");
+	    gl.glUniform1i(loc, 0);
+	    
+	    
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, t_vboIds.get(0));
+		gl.glEnableVertexAttribArray(VERTEX_POS_INDX);
+		gl.glVertexAttribPointer(VERTEX_POS_INDX, 3, GL3.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, t_vboIds.get(1));
+		gl.glEnableVertexAttribArray(TEX_COORD);
+		gl.glVertexAttribPointer(TEX_COORD, 2, GL3.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2));
+		gl.glDrawElements(GL3.GL_TRIANGLES, 2 * 3, GL3.GL_UNSIGNED_SHORT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+	}
+	
+	private void setupBoundingBuffers(){
+		GL3 gl = context.getGL().getGL3();
+		ShortBuffer indicies = Buffers.newDirectShortBuffer(6);
+		indicies.put((short) 0); indicies.put((short) 1); indicies.put((short) 3);
+		indicies.put((short) 1); indicies.put((short) 2); indicies.put((short) 3);
+		indicies.rewind();
+		
+		FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(4 * 3);
+		FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(4 * 2);
+		
+		verticesBuffer.put(box.getLow()[0]);
+		verticesBuffer.put(box.getLow()[1]);
+		verticesBuffer.put(box.getLow()[2]);
+		texCoordBuffer.put(5);
+		texCoordBuffer.put(5);
+		
+		verticesBuffer.put(box.getLow()[0]);
+		verticesBuffer.put(box.getHigh()[1]);
+		verticesBuffer.put(box.getLow()[2]);
+		
+		texCoordBuffer.put(5);
+		texCoordBuffer.put(6);
+		
+		verticesBuffer.put(box.getHigh()[0]);
+		verticesBuffer.put(box.getHigh()[1]);
+		verticesBuffer.put(box.getLow()[2]);
+		
+		texCoordBuffer.put(6);
+		texCoordBuffer.put(6);
+		
+		verticesBuffer.put(box.getHigh()[0]);
+		verticesBuffer.put(box.getLow()[1]);
+		verticesBuffer.put(box.getLow()[2]);
+		
+		texCoordBuffer.put(6);
+		texCoordBuffer.put(5);
+			
+		verticesBuffer.rewind();
+		texCoordBuffer.rewind();
+
+		t_vboIds = IntBuffer.allocate(3);
+		gl.glGenBuffers(numBuffers, t_vboIds);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, t_vboIds.get(0)); // vertices
+		gl.glBufferData(GL3.GL_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, t_vboIds.get(1)); //texture
+		gl.glBufferData(GL3.GL_ARRAY_BUFFER, 4 * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2)); //triangles
+		gl.glBufferData(GL3.GL_ELEMENT_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_SHORT, indicies, GL3.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, 0);
+	}
+	
+	private void initFBOTexture(PMVMatrix m, int width, int hight){
+		tex_height_c = (int)(tex_width_c*box.getHeight()/box.getWidth());
+		System.out.println("Scale: " + m.glGetMatrixf().get(0) +" " + m.glGetMatrixf().get(5));
+		GL3 gl = context.getGL().getGL3();
+		
+		gl.glDeleteFramebuffers(1, fbo);
+		gl.glDeleteTextures(1, texture);
+		
+		gl.glGenTextures(1, texture);
+		gl.glBindTexture(GL3.GL_TEXTURE_2D, texture.get(0));
+		gl.glTexImage2D(GL3.GL_TEXTURE_2D, 0, GL3.GL_RGBA, tex_width_c, 
+				tex_height_c, 0, GL3.GL_RGBA, GL3.GL_UNSIGNED_BYTE, null);
+		
+		gl.glTexParameterf(GL3.GL_TEXTURE_2D, GL3.GL_TEXTURE_MIN_FILTER, GL3.GL_LINEAR);
+		gl.glTexParameterf(GL3.GL_TEXTURE_2D, GL3.GL_TEXTURE_MAG_FILTER, GL3.GL_LINEAR);
+		gl.glTexParameterf(GL3.GL_TEXTURE_2D, GL3.GL_TEXTURE_WRAP_S, GL3.GL_CLAMP_TO_EDGE);
+		gl.glTexParameterf(GL3.GL_TEXTURE_2D, GL3.GL_TEXTURE_WRAP_T, GL3.GL_CLAMP_TO_EDGE);
+		
+	    gl.glGenRenderbuffers(1,rbo);
+	    gl.glBindRenderbuffer(GL3.GL_RENDERBUFFER, rbo.get(0));
+	    gl.glRenderbufferStorage(GL3.GL_RENDERBUFFER, GL3.GL_DEPTH_COMPONENT, tex_width_c, tex_height_c);
+	    
+	    gl.glGenFramebuffers(1, fbo);
+	    gl.glBindFramebuffer(GL3.GL_DRAW_FRAMEBUFFER, fbo.get(0));
+	    gl.glFramebufferTexture2D(GL3.GL_DRAW_FRAMEBUFFER, GL3.GL_COLOR_ATTACHMENT0, 
+	    		GL3.GL_TEXTURE_2D, texture.get(0), 0);
+	    gl.glFramebufferRenderbuffer(GL3.GL_FRAMEBUFFER, GL3.GL_DEPTH_COMPONENT, GL3.GL_RENDERBUFFER, rbo.get(0));
+
+	    int status = gl.glCheckFramebufferStatus(GL3.GL_FRAMEBUFFER);
+	    if(status != GL3.GL_FRAMEBUFFER_COMPLETE){
+	    	System.out.println("FRAAAAAAAAAAAAAAME");
+	    }
+	    
+	    //render texture
+		PMVMatrix tex_matrix = new PMVMatrix();
+	    gl.glBindFramebuffer(GL3.GL_DRAW_FRAMEBUFFER, fbo.get(0));
+	    gl.glViewport(0, 0, tex_width_c, tex_height_c);
+	    tex_matrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
+	    tex_matrix.glLoadIdentity();
+	    tex_matrix.glOrthof(box.getLow()[0], box.getHigh()[0], box.getLow()[1], box.getHigh()[1], -1, 1);
+	    
+	    if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, tex_matrix.glGetPMvMatrixf()))){
+	    	System.out.println("Cnt set tex based mat");
+	    }
+	    
+	    gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
+	    gl.glClear(GL3.GL_COLOR_BUFFER_BIT | GL3.GL_DEPTH_BUFFER_BIT);
+	    renderRegion();
+
+	    gl.glBindFramebuffer(GL3.GL_FRAMEBUFFER, 0);
+	    gl.glBindTexture(GL3.GL_TEXTURE_2D, 0);
+	    
+	    setupBoundingBuffers();
+	}
+	
+	private void renderRegion(){
+		GL3 gl = context.getGL().getGL3();
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, vboIds.get(0));
+		gl.glEnableVertexAttribArray(VERTEX_POS_INDX);
+		gl.glVertexAttribPointer(VERTEX_POS_INDX, 3, GL3.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, vboIds.get(1));
+		gl.glEnableVertexAttribArray(TEX_COORD);
+		gl.glVertexAttribPointer(TEX_COORD, 2, GL3.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2));
+		gl.glDrawElements(GL3.GL_TRIANGLES, triangles.size() * 3, GL3.GL_UNSIGNED_SHORT, 0);
+		
+		gl.glBindBuffer(GL3.GL_ARRAY_BUFFER, 0);
+	}
+	
+	public void addTriangles(ArrayList<Triangle<PointTex>> tris) {
+		triangles.addAll(tris);
+		dirty = true;
+	}
+	
+	public int getNumVertices(){
+		return numVertices;
+	}
+	
+	public void addVertices(ArrayList<PointTex> verts){
+		vertices.addAll(verts);
+		numVertices = vertices.size();
+		dirty = true;
+	}
+	
+	public boolean isDirty(){
+		return dirty;
+	}
+	
+	public void destroy() {
+		GL3 gl = context.getGL().getGL3();
+		gl.glDeleteBuffers(numBuffers, vboIds);
+		gl.glDeleteFramebuffers(1, fbo);
+		gl.glDeleteTextures(1, texture);
+	}
+	
+	public boolean isFlipped() {
+		return flipped;
+	}
+
+	public void setFlipped(boolean flipped) {
+		this.flipped = flipped;
+	}
+}
diff --git a/src/jogamp/graph/curve/opengl/VBORegionSPES2.java b/src/jogamp/graph/curve/opengl/VBORegionSPES2.java
new file mode 100644
index 000000000..5ef23d4e0
--- /dev/null
+++ b/src/jogamp/graph/curve/opengl/VBORegionSPES2.java
@@ -0,0 +1,185 @@
+/**
+ * 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 java.nio.IntBuffer;
+import java.nio.ShortBuffer;
+import java.util.ArrayList;
+
+import javax.media.opengl.GL2ES2;
+import javax.media.opengl.GLContext;
+
+import com.jogamp.common.nio.Buffers;
+import com.jogamp.graph.curve.Region;
+import com.jogamp.graph.geom.PointTex;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.opengl.util.PMVMatrix;
+
+public class VBORegionSPES2  implements Region{
+	private int numVertices = 0;
+	private IntBuffer vboIds;
+	
+	private ArrayList<Triangle<PointTex>> triangles = new ArrayList<Triangle<PointTex>>();
+	private ArrayList<PointTex> vertices = new ArrayList<PointTex>();
+	
+	private GLContext context;
+	
+	private int numBuffers = 3;
+	
+	private boolean flipped = false;
+	private boolean dirty = false;
+	
+	public VBORegionSPES2(GLContext context){
+		this.context =context;
+	}
+	
+	public void update(){
+		GL2ES2 gl = context.getGL().getGL2ES2();
+		ShortBuffer indicies = Buffers.newDirectShortBuffer(triangles.size() * 3);
+		
+		for(Triangle<PointTex> t:triangles){
+			final PointTex[] t_vertices = t.getVertices();
+			
+			if(t_vertices[0].getId() == Integer.MAX_VALUE){
+				t_vertices[0].setId(numVertices++);
+				t_vertices[1].setId(numVertices++);
+				t_vertices[2].setId(numVertices++);
+				
+				vertices.add(t.getVertices()[0]);
+				vertices.add(t.getVertices()[1]);
+				vertices.add(t.getVertices()[2]);
+
+				indicies.put((short) t.getVertices()[0].getId());
+				indicies.put((short) t.getVertices()[1].getId());
+				indicies.put((short) t.getVertices()[2].getId());
+			}
+			else{
+				PointTex v1 = t_vertices[0];
+				PointTex v2 = t_vertices[1];
+				PointTex v3 = t_vertices[2];
+				
+				indicies.put((short) v1.getId());
+				indicies.put((short) v2.getId());
+				indicies.put((short) v3.getId());
+			}
+		}
+		indicies.rewind();
+		
+		FloatBuffer verticesBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 3);
+		for(PointTex v:vertices){
+			verticesBuffer.put(v.getX());
+			if(flipped){
+				verticesBuffer.put(-1*v.getY());
+			}
+			else{
+				verticesBuffer.put(v.getY());
+			}
+			verticesBuffer.put(v.getZ());
+		}
+		verticesBuffer.rewind();
+		
+		FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 2);
+		for(PointTex v:vertices){
+			float[] tex = v.getTexCoord();
+			texCoordBuffer.put(tex[0]);
+			texCoordBuffer.put(tex[1]);
+		}
+		texCoordBuffer.rewind();
+
+		vboIds = IntBuffer.allocate(numBuffers);
+		gl.glGenBuffers(numBuffers, vboIds);
+		
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0)); // vertices
+		gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL2ES2.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1)); //texture
+		gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, numVertices * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL2ES2.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+		
+		gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2)); //triangles
+		gl.glBufferData(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, triangles.size()* 3 * Buffers.SIZEOF_SHORT, indicies, GL2ES2.GL_STATIC_DRAW);
+		gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 0);
+		
+		dirty = false;
+	}
+	
+	private void render() {
+		GL2ES2 gl = context.getGL().getGL2ES2();
+		
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0));
+		gl.glEnableVertexAttribArray(VERTEX_POS_INDX);
+		gl.glVertexAttribPointer(VERTEX_POS_INDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1));
+		gl.glEnableVertexAttribArray(TEX_COORD);
+		gl.glVertexAttribPointer(TEX_COORD, 2, GL2ES2.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+		
+		gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, vboIds.get(2));
+		gl.glDrawElements(GL2ES2.GL_TRIANGLES, triangles.size() * 3, GL2ES2.GL_UNSIGNED_SHORT, 0);
+		
+		gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+	}
+	
+	public void render(PMVMatrix matrix, int vp_width, int vp_height, int width){
+		render();
+	}
+	
+	public void addTriangles(ArrayList<Triangle<PointTex>> tris) {
+		triangles.addAll(tris);
+		dirty = true;
+	}
+	
+	public int getNumVertices(){
+		return numVertices;
+	}
+	
+	public void addVertices(ArrayList<PointTex> verts){
+		vertices.addAll(verts);
+		numVertices = vertices.size();
+		dirty = true;
+	}
+	
+	public boolean isDirty(){
+		return dirty;
+	}
+	
+	public void destroy() {
+		GL2ES2 gl = context.getGL().getGL2ES2();
+		gl.glDeleteBuffers(numBuffers, vboIds);
+	}
+	
+	public boolean isFlipped() {
+		return flipped;
+	}
+
+	public void setFlipped(boolean flipped) {
+		this.flipped = flipped;
+	}
+}