diff options
Diffstat (limited to 'src/com/jogamp/graph/curve/opengl/RegionRenderer.java')
| -rw-r--r--[-rwxr-xr-x] | src/com/jogamp/graph/curve/opengl/RegionRenderer.java | 500 |
1 files changed, 112 insertions, 388 deletions
diff --git a/src/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/com/jogamp/graph/curve/opengl/RegionRenderer.java index e75ca25cd..4be1506d5 100755..100644 --- a/src/com/jogamp/graph/curve/opengl/RegionRenderer.java +++ b/src/com/jogamp/graph/curve/opengl/RegionRenderer.java @@ -1,388 +1,112 @@ -/**
- * 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 com.jogamp.graph.curve.opengl;
-
-import java.nio.FloatBuffer;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.Iterator;
-
-import javax.media.opengl.GL2ES2;
-import javax.media.opengl.GLAutoDrawable;
-import javax.media.opengl.GLContext;
-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.RegionFactory;
-import com.jogamp.graph.geom.Triangle;
-import com.jogamp.graph.geom.Vertex;
-
-import jogamp.opengl.Debug;
-import com.jogamp.opengl.util.PMVMatrix;
-import com.jogamp.opengl.util.glsl.ShaderCode;
-import com.jogamp.opengl.util.glsl.ShaderProgram;
-import com.jogamp.opengl.util.glsl.ShaderState;
-
-public class RegionRenderer {
- protected static final boolean DEBUG = Debug.debug("RegionRenderer");
-
- private ShaderState st;
- private PMVMatrix pmvMatrix = new PMVMatrix();
-
- /**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 float sharpness = 0.5f;
- private float alpha = 1.0f;
- private float strength = 3.0f;
- private boolean initialized = false;
-
- private int regionType = Region.SINGLE_PASS;
-
- private GLContext context;
- private FloatBuffer color = FloatBuffer.allocate(3);
- private HashMap<Integer, Region> regions = new HashMap<Integer, Region>();
-
- /** Create a Hardware accelerated Region Renderer
- * @param context OpenGL rendering context
- * @param factory optional Point.Factory for Vertex construction. Default is Vertex.Factory.
- */
- public RegionRenderer(GLContext context) {
- this.context = context;
- init(context, 0.5f);
- }
- /** Create a Hardware accelerated Region Renderer
- * @param context OpenGL rendering context
- * @param type region type (single or multipass)
- */
- public RegionRenderer(GLContext context, int type) {
- this.context = context;
- this.regionType = type;
- init(context, 0.5f);
- }
-
- private boolean init(GLContext context, float sharpvalue){
- if(initialized){
- if(DEBUG) {
- System.err.println("HWRegionRenderer: Already initialized!");
- }
- return true;
- }
- sharpness = sharpvalue;
-
- GL2ES2 gl = context.getGL().getGL2ES2();
-
- 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("HWRegionRenderer: VBO Supported = " + VBOsupported);
- }
-
- if(!VBOsupported){
- return false;
- }
-
- gl.setSwapInterval(1);
-
- gl.glEnable(GL2ES2.GL_BLEND);
- gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA);
-
- initShader(gl);
-
- 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();
- resetMatrix();
-
- if(!st.glUniform(gl, new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf()))) {
- if(DEBUG){
- System.err.println("Error setting PMVMatrix in shader: "+st);
- }
- return false;
- }
- if(!st.glUniform(gl, new GLUniformData("p1y", sharpness))) {
- if(DEBUG){
- System.err.println("Error setting sharpness in shader: "+st);
- }
- return false;
- }
- if(!st.glUniform(gl, new GLUniformData("g_alpha", alpha))) {
- if(DEBUG){
- System.err.println("Error setting global alpha in shader: "+st);
- }
- return false;
- }
- if(!st.glUniform(gl, new GLUniformData("g_color", 3, color))) {
- if(DEBUG){
- System.err.println("Error setting global color in shader: "+st);
- }
- return false;
- }
- if(!st.glUniform(gl, new GLUniformData("a_strength", strength))) {
- System.err.println("Error setting antialias strength in shader: "+st);
- }
- st.glUseProgram(gl, false);
-
- if(DEBUG) {
- System.err.println("HWRegionRenderer initialized: " + Thread.currentThread()+" "+st);
- }
- initialized = true;
- return true;
- }
-
- public float getAlpha() {
- return alpha;
- }
- public void setAlpha(float alpha_t) {
- alpha = alpha_t;
- }
-
- public void setColor(float r, float g, float b){
- color.put(r);
- color.put(g);
- color.put(b);
- color.rewind();
- }
-
- public void rotate(float angle, float x, float y, float z){
- pmvMatrix.glRotatef(angle, x, y, z);
- }
- public void translate(float x, float y, float z){
- pmvMatrix.glTranslatef(x, y, z);
- }
-
- public void resetMatrix(){
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
- pmvMatrix.glLoadIdentity();
- }
-
- /**
- * @param drawable
- * @param angle
- * @param ratio
- * @param near
- * @param far
- * @return
- */
- public boolean reshape(GLAutoDrawable drawable, float angle, float ratio, float near, float far){
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
- pmvMatrix.glLoadIdentity();
- pmvMatrix.gluPerspective(angle, ratio, near, far);
-
- if(null==st) {
- if(DEBUG){
- System.err.println("HWRegionRenderer: Shader State is null, or not");
- }
- return false;
- }
- GL2ES2 gl = drawable.getGL().getGL2ES2();
-
- st.glUseProgram(gl, true);
- GLUniformData ud = st.getUniform("mgl_PMVMatrix");
- if(null!=ud) {
- st.glUniform(gl, ud);
- }
- st.glUseProgram(gl, false);
- return true;
- }
-
- private void initShader(GL2ES2 gl) {
- ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, RegionRenderer.class,
- "shader", "shader/bin", "curverenderer");
- ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, RegionRenderer.class,
- "shader", "shader/bin", "curverenderer");
-
- ShaderProgram sp = new ShaderProgram();
- sp.add(rsVp);
- sp.add(rsFp);
-
- if(!sp.link(gl, System.err)) {
- throw new GLException("HWRegionRenderer: 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");
- }
-
- private Region createRegion(OutlineShape outlineShape) {
- Region region = RegionFactory.create(context, st, regionType);
-
- outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS);
-
- ArrayList<Triangle<Vertex>> triangles = (ArrayList<Triangle<Vertex>>) outlineShape.triangulate(sharpness);
- ArrayList<Vertex> vertices = (ArrayList<Vertex>) outlineShape.getVertices();
- region.addVertices(vertices);
- region.addTriangles(triangles);
-
- region.update();
- return region;
- }
-
- private Region createRegion(OutlineShape[] outlineShapes) {
- Region region = RegionFactory.create(context, st, regionType);
-
- int numVertices = region.getNumVertices();
-
- for(OutlineShape outlineShape:outlineShapes){
- outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS);
-
- ArrayList<Triangle<Vertex>> triangles = outlineShape.triangulate(sharpness);
- region.addTriangles(triangles);
-
- ArrayList<Vertex> vertices = outlineShape.getVertices();
- for(Vertex vert:vertices){
- vert.setId(numVertices++);
- }
- region.addVertices(vertices);
- }
-
- region.update();
- return region;
- }
-
-
- /** Render outline in 3D space at the position provided
- * the triangles of the shapes will be generated, if not yet generated
- * @param outlineShape the OutlineShape to Render.
- * @param position the initial translation of the outlineShape.
- * @throws Exception if HwRegionRenderer not initialized
- */
- public void renderOutlineShape(OutlineShape outlineShape, float[] position) throws Exception{
- if(!initialized){
- throw new Exception("HWRegionRenderer: not initialized!");
- }
- int hashCode = getHashCode(outlineShape);
- Region region = regions.get(hashCode);
-
- if(null == region) {
- region = createRegion(outlineShape);
- regions.put(hashCode, region);
- }
-
- GL2ES2 gl = context.getGL().getGL2ES2();
- st.glUseProgram(gl, true);
- GLUniformData ud = st.getUniform("mgl_PMVMatrix");
- if(null!=ud) {
- st.glUniform(gl, ud);
- }
- if(!st.glUniform(gl, new GLUniformData("g_alpha", alpha))) {
- System.err.println("Error setting global alpha in shader: "+st);
- }
- GLUniformData gcolorUD = st.getUniform("g_color");
- if(null!=gcolorUD) {
- st.glUniform(gl, gcolorUD);
- }
- if(!st.glUniform(gl, new GLUniformData("a_strength", strength))) {
- System.err.println("Error setting antialias strength in shader: "+st);
- }
-
- region.render(null, 0, 0, 0);
- st.glUseProgram(gl, false);
- }
-
- /** Render a list of Outline shapes combined in one region
- * at the position provided the triangles of the
- * shapes will be generated, if not yet generated
- * @param outlineShapes the list of OutlineShapes to Render.
- * @param position the initial translation of the outlineShapes.
- * @throws Exception if HwRegionRenderer not initialized
- */
- public void renderOutlineShapes(OutlineShape[] outlineShapes, float[] position) throws Exception{
- if(!initialized){
- throw new Exception("HWRegionRenderer: not initialized!");
- }
-
- int hashCode = getHashCode(outlineShapes);
- Region region = regions.get(hashCode);
-
- if(null == region) {
- region = createRegion(outlineShapes);
- regions.put(hashCode, region);
- }
-
- GL2ES2 gl = context.getGL().getGL2ES2();
- st.glUseProgram(gl, true);
- GLUniformData ud = st.getUniform("mgl_PMVMatrix");
- if(null!=ud) {
- st.glUniform(gl, ud);
- }
- if(!st.glUniform(gl, new GLUniformData("g_alpha", alpha))) {
- System.err.println("Error setting global alpha in shader: "+st);
- }
- GLUniformData gcolorUD = st.getUniform("g_color");
- if(null!=gcolorUD) {
- st.glUniform(gl, gcolorUD);
- }
- if(!st.glUniform(gl, new GLUniformData("a_strength", strength))) {
- System.err.println("Error setting antialias strength in shader: "+st);
- }
- region.render(null, 0, 0, 0);
- st.glUseProgram(gl, false);
- }
-
- private int getHashCode(OutlineShape outlineShape){
- return outlineShape.hashCode();
- }
-
- private int getHashCode(OutlineShape[] outlineShapes){
- int hashcode = 0;
- for(OutlineShape outlineShape:outlineShapes){
- hashcode += getHashCode(outlineShape);
- }
- return hashcode;
- }
-
- /** Clears the cached string curves
- * and destorys underlying buffers
- */
- public void clearCached() {
- Iterator<Region> iterator = regions.values().iterator();
- while(iterator.hasNext()){
- Region region = iterator.next();
- region.destroy();
- }
- regions.clear();
- }
-}
+package com.jogamp.graph.curve.opengl; + +import java.util.ArrayList; +import java.util.HashMap; +import java.util.Iterator; + +import javax.media.opengl.GL2ES2; + +import com.jogamp.graph.curve.OutlineShape; +import com.jogamp.graph.curve.Region; +import com.jogamp.graph.curve.RegionFactory; +import com.jogamp.graph.geom.Triangle; +import com.jogamp.graph.geom.Vertex; + +public abstract class RegionRenderer extends Renderer { + + /** Create a Hardware accelerated Region Renderer + */ + public static RegionRenderer create(Vertex.Factory<? extends Vertex> factory, int type) { + return new jogamp.graph.curve.opengl.RegionRendererImpl01(factory, type); + } + + public RegionRenderer(Vertex.Factory<? extends Vertex> factory, int type) { + super(factory, type); + } + + /** Render an array of Outline shapes combined in one region + * at the position provided the triangles of the + * shapes will be generated, if not yet generated + * @param outlineShapes array of OutlineShapes to Render. + * @param position the initial translation of the outlineShapes. + * @param texSize texture size for multipass render * + * @throws Exception if HwRegionRenderer not initialized + */ + public abstract void renderOutlineShapes(GL2ES2 gl, OutlineShape[] outlineShapes, float[] position, int texSize); + + /** Render outline in 3D space at the position provided + * the triangles of the shapes will be generated, if not yet generated + * @param outlineShape the OutlineShape to Render. + * @param position the initial translation of the outlineShape. + * @param texSize texture size for multipass render + * @throws Exception if HwRegionRenderer not initialized + */ + public abstract void renderOutlineShape(GL2ES2 gl, OutlineShape outlineShape, float[] position, int texSize); + + protected HashMap<Integer, Region> regions = new HashMap<Integer, Region>(); + + public void flushCash() { + Iterator<Region> iterator = regions.values().iterator(); + while(iterator.hasNext()){ + Region region = iterator.next(); + region.destroy(); + } + regions.clear(); + } + + /** + * @param sharpness parameter for Region generation + * @return the resulting Region inclusive the generated region + */ + protected Region createRegion(GL2ES2 gl, OutlineShape outlineShape, float sharpness) { + Region region = RegionFactory.create(gl.getContext(), st, regionType); + + outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS); + + ArrayList<Triangle<Vertex>> triangles = (ArrayList<Triangle<Vertex>>) outlineShape.triangulate(sharpness); + ArrayList<Vertex> vertices = (ArrayList<Vertex>) outlineShape.getVertices(); + region.addVertices(vertices); + region.addTriangles(triangles); + + region.update(); + return region; + } + + /** + * @param sharpness parameter for Region generation + * @return the resulting Region inclusive the generated region + */ + protected Region createRegion(GL2ES2 gl, OutlineShape[] outlineShapes, float sharpness) { + Region region = RegionFactory.create(gl.getContext(), st, regionType); + + int numVertices = region.getNumVertices(); + + for(OutlineShape outlineShape:outlineShapes){ + outlineShape.transformOutlines(OutlineShape.QUADRATIC_NURBS); + + ArrayList<Triangle<Vertex>> triangles = outlineShape.triangulate(sharpness); + region.addTriangles(triangles); + + ArrayList<Vertex> vertices = outlineShape.getVertices(); + for(Vertex vert:vertices){ + vert.setId(numVertices++); + } + region.addVertices(vertices); + } + + region.update(); + return region; + } + + protected static int getHashCode(OutlineShape outlineShape){ + return outlineShape.hashCode(); + } + + protected static int getHashCode(OutlineShape[] outlineShapes){ + int hashcode = 0; + for(OutlineShape outlineShape:outlineShapes){ + hashcode += getHashCode(outlineShape); + } + return hashcode; + } +}
\ No newline at end of file |