From dbc74b98eb7429cbb51f7af0572ab53ddd0d9edc Mon Sep 17 00:00:00 2001 From: Sven Gothel Date: Wed, 30 Mar 2011 13:56:48 +0200 Subject: Refactor: Public *Renderer / Unify Region Demos / Using own Screenshot (non AWT, plain GL2ES2) Refactor: Public *Renderer - Sharing common base abstract class Renderer.java - Having public abstract classes RegionRenderer and TextRenderer - Implementation non public, accessed via factory - + shared code - + clean API (same stuff) Unify Region Demos - reduced code / path, sharing common demo/test features Text/Region Using own Screenshot (non AWT, plain GL2ES2) - Remove AWT dependency - Allow GL2ES2 screenshots - Less complex --- .../jogamp/graph/curve/opengl/RegionRenderer.java | 500 +++++---------------- 1 file changed, 112 insertions(+), 388 deletions(-) mode change 100755 => 100644 src/com/jogamp/graph/curve/opengl/RegionRenderer.java (limited to 'src/com/jogamp/graph/curve/opengl/RegionRenderer.java') diff --git a/src/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/com/jogamp/graph/curve/opengl/RegionRenderer.java old mode 100755 new mode 100644 index e75ca25cd..4be1506d5 --- 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 regions = new HashMap(); - - /** 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> triangles = (ArrayList>) outlineShape.triangulate(sharpness); - ArrayList vertices = (ArrayList) 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> triangles = outlineShape.triangulate(sharpness); - region.addTriangles(triangles); - - ArrayList 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 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 factory, int type) { + return new jogamp.graph.curve.opengl.RegionRendererImpl01(factory, type); + } + + public RegionRenderer(Vertex.Factory 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 regions = new HashMap(); + + public void flushCash() { + Iterator 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> triangles = (ArrayList>) outlineShape.triangulate(sharpness); + ArrayList vertices = (ArrayList) 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> triangles = outlineShape.triangulate(sharpness); + region.addTriangles(triangles); + + ArrayList 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 -- cgit v1.2.3