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-rw-r--r--turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java385
1 files changed, 385 insertions, 0 deletions
diff --git a/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java b/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java
new file mode 100644
index 000000000..c7c370f6d
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+++ b/turtle2d/src/jogamp/graph/curve/opengl/VBORegion2PES2.java
@@ -0,0 +1,385 @@
+/**
+ * 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;
+// FIXME: Subsume GL2GL3.GL_DRAW_FRAMEBUFFER -> GL2ES2.GL_DRAW_FRAMEBUFFER !
+import javax.media.opengl.GL2GL3;
+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.Vertex;
+
+import com.jogamp.graph.curve.Region;
+import com.jogamp.opengl.util.PMVMatrix;
+import com.jogamp.opengl.util.glsl.ShaderState;
+
+public class VBORegion2PES2 implements Region{
+ private int numVertices = 0;
+ private IntBuffer vboIds;
+
+ private IntBuffer t_vboIds;
+
+ private ArrayList<Triangle> triangles = new ArrayList<Triangle>();
+ private ArrayList<Vertex> vertices = new ArrayList<Vertex>();
+ private GLContext context;
+
+ private int numBuffers = 3;
+
+ private boolean flipped = false;
+
+ private boolean dirty = false;
+
+ private AABBox box = null;
+ private int[] texture = { 0 } ;
+ private int[] fbo = { 0 } ;
+ private int[] rbo_depth = { 0 } ;
+ private boolean texInitialized = false;
+
+ private int tex_width_c = 0;
+ private int tex_height_c = 0;
+
+ private ShaderState st;
+
+ public VBORegion2PES2(GLContext context, ShaderState st){
+ this.context =context;
+ this.st = st;
+ }
+
+ public void update(){
+ box = new AABBox();
+
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ ShortBuffer indicies = Buffers.newDirectShortBuffer(triangles.size() * 3);
+
+ for(Triangle 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{
+ Vertex v1 = t.getVertices()[0];
+ Vertex v2 = t.getVertices()[1];
+ Vertex 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(Vertex v:vertices){
+ verticesBuffer.put(v.getX());
+ if(flipped){
+ verticesBuffer.put(-1*v.getY());
+ }
+ else{
+ verticesBuffer.put(v.getY());
+ }
+ verticesBuffer.put(v.getZ());
+ if(flipped){
+ box.resize(v.getX(), -1*v.getY(), v.getZ());
+ }
+ else{
+ box.resize(v.getX(), v.getY(), v.getZ());
+ }
+ }
+ verticesBuffer.rewind();
+
+ FloatBuffer texCoordBuffer = Buffers.newDirectFloatBuffer(vertices.size() * 2);
+ for(Vertex 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;
+ }
+
+ 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){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+ 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(GL2ES2.GL_TEXTURE_2D);
+ gl.glActiveTexture(GL2ES2.GL_TEXTURE0);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, texture[0]);
+
+ st.glUniform(gl, new GLUniformData("texture", texture[0]));
+ int loc = gl.glGetUniformLocation(st.shaderProgram().id(), "texture");
+ gl.glUniform1i(loc, 0);
+
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(0));
+ gl.glEnableVertexAttribArray(VERTEX_ATTR_IDX);
+ gl.glVertexAttribPointer(VERTEX_ATTR_IDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(1));
+ gl.glEnableVertexAttribArray(TEXCOORD_ATTR_IDX);
+ gl.glVertexAttribPointer(TEXCOORD_ATTR_IDX, 2, GL2ES2.GL_FLOAT, false, 2 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2));
+ gl.glDrawElements(GL2ES2.GL_TRIANGLES, 2 * 3, GL2ES2.GL_UNSIGNED_SHORT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+ }
+
+ private void setupBoundingBuffers(){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ 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(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(0)); // vertices
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_FLOAT, verticesBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, t_vboIds.get(1)); //texture
+ gl.glBufferData(GL2ES2.GL_ARRAY_BUFFER, 4 * 2 * Buffers.SIZEOF_FLOAT, texCoordBuffer, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, t_vboIds.get(2)); //triangles
+ gl.glBufferData(GL2ES2.GL_ELEMENT_ARRAY_BUFFER, 4 * 3 * Buffers.SIZEOF_SHORT, indicies, GL2ES2.GL_STATIC_DRAW);
+ gl.glBindBuffer(GL2ES2.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());
+ // tex_height_c = tex_width_c;
+ System.out.println("FBO Size: "+tex_height_c+"x"+tex_width_c);
+ System.out.println("FBO Scale: " + m.glGetMatrixf().get(0) +" " + m.glGetMatrixf().get(5));
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ if(fbo[0] > 0) {
+ gl.glDeleteFramebuffers(1, fbo, 0);
+ fbo[0] = 0;
+ }
+ if(texture[0]>0) {
+ gl.glDeleteTextures(1, texture, 0);
+ texture[0] = 0;
+ }
+
+ gl.glGenFramebuffers(1, fbo, 0);
+ gl.glGenTextures(1, texture, 0);
+ gl.glGenRenderbuffers(1,rbo_depth, 0);
+ System.out.println("FBO: fbo " + fbo[0] + ", tex " + texture[0] + ", depth " + rbo_depth[0]);
+
+ gl.glBindFramebuffer(GL2GL3.GL_DRAW_FRAMEBUFFER, fbo[0]);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, texture[0]);
+ gl.glTexImage2D(GL2ES2.GL_TEXTURE_2D, 0, GL2ES2.GL_RGBA, tex_width_c,
+ tex_height_c, 0, GL2ES2.GL_RGBA, GL2ES2.GL_UNSIGNED_BYTE, null);
+
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_MIN_FILTER, GL2ES2.GL_LINEAR);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_MAG_FILTER, GL2ES2.GL_LINEAR);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_WRAP_S, GL2ES2.GL_CLAMP_TO_EDGE);
+ gl.glTexParameterf(GL2ES2.GL_TEXTURE_2D, GL2ES2.GL_TEXTURE_WRAP_T, GL2ES2.GL_CLAMP_TO_EDGE);
+
+ gl.glFramebufferTexture2D(GL2GL3.GL_DRAW_FRAMEBUFFER, GL2ES2.GL_COLOR_ATTACHMENT0,
+ GL2ES2.GL_TEXTURE_2D, texture[0], 0);
+
+ // Set up the depth buffer
+ gl.glBindRenderbuffer(GL2ES2.GL_RENDERBUFFER, rbo_depth[0]);
+ gl.glRenderbufferStorage(GL2ES2.GL_RENDERBUFFER, GL2ES2.GL_DEPTH_COMPONENT, tex_width_c, tex_height_c);
+ gl.glFramebufferRenderbuffer(GL2ES2.GL_FRAMEBUFFER, GL2ES2.GL_DEPTH_COMPONENT, GL2ES2.GL_RENDERBUFFER, rbo_depth[0]);
+
+ int status = gl.glCheckFramebufferStatus(GL2ES2.GL_FRAMEBUFFER);
+ if(status != GL2ES2.GL_FRAMEBUFFER_COMPLETE){
+ System.err.println("Cant Create R2T pass!");
+ }
+
+ //render texture
+ PMVMatrix tex_matrix = new PMVMatrix();
+ gl.glBindFramebuffer(GL2GL3.GL_DRAW_FRAMEBUFFER, fbo[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(GL2ES2.GL_COLOR_BUFFER_BIT | GL2ES2.GL_DEPTH_BUFFER_BIT);
+ renderRegion();
+
+ gl.glBindFramebuffer(GL2ES2.GL_FRAMEBUFFER, 0);
+ gl.glBindTexture(GL2ES2.GL_TEXTURE_2D, 0);
+
+ setupBoundingBuffers();
+ }
+
+ private void renderRegion(){
+ GL2ES2 gl = context.getGL().getGL2ES2();
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(0));
+ gl.glEnableVertexAttribArray(VERTEX_ATTR_IDX);
+ gl.glVertexAttribPointer(VERTEX_ATTR_IDX, 3, GL2ES2.GL_FLOAT, false, 3 * Buffers.SIZEOF_FLOAT, 0);
+
+ gl.glBindBuffer(GL2ES2.GL_ARRAY_BUFFER, vboIds.get(1));
+ gl.glEnableVertexAttribArray(TEXCOORD_ATTR_IDX);
+ gl.glVertexAttribPointer(TEXCOORD_ATTR_IDX, 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 addTriangles(ArrayList<Triangle> tris) {
+ triangles.addAll(tris);
+ dirty = true;
+ }
+
+ public int getNumVertices(){
+ return numVertices;
+ }
+
+ public void addVertices(ArrayList<Vertex> 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);
+ gl.glDeleteFramebuffers(1, fbo, 0);
+ fbo[0] = 0;
+ gl.glDeleteTextures(1, texture, 0);
+ texture[0] = 0;
+ gl.glDeleteRenderbuffers(1, rbo_depth, 0);
+ rbo_depth[0] = 0;
+ }
+
+ public boolean isFlipped() {
+ return flipped;
+ }
+
+ public void setFlipped(boolean flipped) {
+ this.flipped = flipped;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-15 21:53:29 +0000