diff options
Diffstat (limited to 'src/jogamp/graph/curve/opengl/VBORegionSPES2.java')
| -rw-r--r-- | src/jogamp/graph/curve/opengl/VBORegionSPES2.java | 185 |
1 files changed, 185 insertions, 0 deletions
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; + } +} |