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| -rw-r--r-- | src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java | 400 |
1 files changed, 400 insertions, 0 deletions
diff --git a/src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java b/src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java new file mode 100644 index 000000000..8bac24b86 --- /dev/null +++ b/src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java @@ -0,0 +1,400 @@ +/* + * Copyright (c) 2009 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution 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. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + */ + +package com.sun.opengl.util.glsl; + +import java.io.PrintStream; +import java.nio.*; +import java.util.*; + +import javax.media.opengl.*; + +public class ShaderUtil { + static abstract class Impl { + public abstract String getShaderInfoLog(GL gl, int shaderObj); + public abstract String getProgramInfoLog(GL gl, int programObj); + public abstract boolean isShaderStatusValid(GL gl, int shaderObj, int name); + public abstract boolean isShaderStatusValid(GL gl, int shaderObj, int name, PrintStream verboseOut); + public abstract boolean isShaderStatusValid(GL gl, IntBuffer shaders, int name); + public abstract boolean isShaderStatusValid(GL gl, IntBuffer shaders, int name, PrintStream verboseOut); + public abstract boolean isProgramStatusValid(GL gl, int programObj, int name); + public abstract boolean isProgramValid(GL gl, int programObj); + public abstract boolean isProgramValid(GL gl, int programObj, PrintStream verboseOut); + public abstract void createShader(GL gl, int type, IntBuffer shaders); + public abstract Set getShaderBinaryFormats(GL gl); + public abstract boolean isShaderCompilerAvailable(GL gl); + public abstract void shaderSource(GL gl, int shader, java.lang.String[] source); + public abstract void shaderSource(GL gl, IntBuffer shaders, java.lang.String[][] sources); + public abstract void shaderBinary(GL gl, IntBuffer shaders, int binFormat, java.nio.Buffer bin); + public abstract void compileShader(GL gl, IntBuffer shaders); + public abstract void attachShader(GL gl, int program, IntBuffer shaders); + public abstract void detachShader(GL gl, int program, IntBuffer shaders); + public abstract void deleteShader(GL gl, IntBuffer shaders); + } + + static class GL2ES2Impl extends Impl { + public String getShaderInfoLog(GL _gl, int shaderObj) { + GL2ES2 gl = _gl.getGL2ES2(); + int[] infoLogLength=new int[1]; + gl.glGetShaderiv(shaderObj, gl.GL_INFO_LOG_LENGTH, infoLogLength, 0); + + if(infoLogLength[0]==0) { + return "(no info log)"; + } + int[] charsWritten=new int[1]; + byte[] infoLogBytes = new byte[infoLogLength[0]]; + gl.glGetShaderInfoLog(shaderObj, infoLogLength[0], charsWritten, 0, infoLogBytes, 0); + + return new String(infoLogBytes, 0, charsWritten[0]); + } + + public String getProgramInfoLog(GL _gl, int programObj) { + GL2ES2 gl = _gl.getGL2ES2(); + int[] infoLogLength=new int[1]; + gl.glGetProgramiv(programObj, gl.GL_INFO_LOG_LENGTH, infoLogLength, 0); + + if(infoLogLength[0]==0) { + return "(no info log)"; + } + int[] charsWritten=new int[1]; + byte[] infoLogBytes = new byte[infoLogLength[0]]; + gl.glGetProgramInfoLog(programObj, infoLogLength[0], charsWritten, 0, infoLogBytes, 0); + + return new String(infoLogBytes, 0, charsWritten[0]); + } + + public boolean isShaderStatusValid(GL _gl, int shaderObj, int name) { + return isShaderStatusValid(_gl, shaderObj, name, null); + } + + public boolean isShaderStatusValid(GL _gl, int shaderObj, int name, PrintStream verboseOut) { + GL2ES2 gl = _gl.getGL2ES2(); + int[] ires = new int[1]; + gl.glGetShaderiv(shaderObj, name, ires, 0); + + boolean res = ires[0]==1; + if(!res && null!=verboseOut) { + verboseOut.println("Shader status invalid: "+ getShaderInfoLog(gl, shaderObj)); + } + return res; + } + + public boolean isShaderStatusValid(GL _gl, IntBuffer shaders, int name) { + return isShaderStatusValid(_gl, shaders, name, null); + } + + public boolean isShaderStatusValid(GL _gl, IntBuffer shaders, int name, PrintStream verboseOut) { + boolean res = true; + for (int i = shaders.position(); i < shaders.limit(); i++) { + res = isShaderStatusValid(_gl, shaders.get(i), name, verboseOut) && res; + } + return res; + } + + public boolean isProgramStatusValid(GL _gl, int programObj, int name) { + GL2ES2 gl = _gl.getGL2ES2(); + int[] ires = new int[1]; + gl.glGetProgramiv(programObj, name, ires, 0); + + return ires[0]==1; + } + + public boolean isProgramValid(GL _gl, int programObj) { + return isProgramValid(_gl, programObj, null); + } + + public boolean isProgramValid(GL _gl, int programObj, PrintStream verboseOut) { + GL2ES2 gl = _gl.getGL2ES2(); + int[] ires = new int[1]; + if(!gl.glIsProgram(programObj)) { + if(null!=verboseOut) { + verboseOut.println("Program name invalid: "+programObj); + } + return false; + } + if(!isProgramStatusValid(gl, programObj, gl.GL_LINK_STATUS)) { + if(null!=verboseOut) { + verboseOut.println("Program link failed: "+programObj+"\n\t"+ getProgramInfoLog(gl, programObj)); + } + return false; + } + if ( !gl.isGLES2() || isShaderCompilerAvailable(gl) ) { + // failed on APX2500 (ES2.0, no compiler) for valid programs + gl.glValidateProgram(programObj); + if(!isProgramStatusValid(gl, programObj, gl.GL_VALIDATE_STATUS)) { + if(null!=verboseOut) { + verboseOut.println("Program validation failed: "+programObj+"\n\t"+ getProgramInfoLog(gl, programObj)); + } + return false; + } + } + return true; + } + + public void createShader(GL _gl, int type, IntBuffer shaders) { + GL2ES2 gl = _gl.getGL2ES2(); + for (int i = shaders.position(); i < shaders.limit(); i++) { + shaders.put(i, gl.glCreateShader(type)); + } + } + + private Boolean shaderCompilerAvailable = null; + private Set shaderBinaryFormats = null; + + public Set getShaderBinaryFormats(GL _gl) { + GL2ES2 gl = _gl.getGL2ES2(); + if(null==shaderBinaryFormats) { + if(gl.getContext()!=GLContext.getCurrent()) { + return new HashSet(0); // bail out + } + + int[] param = new int[1]; + shaderBinaryFormats = new HashSet(); + + if (gl.isGLES2()) { + gl.glGetIntegerv(GL2ES2.GL_NUM_SHADER_BINARY_FORMATS, param, 0); + int numFormats = param[0]; + if(numFormats>0) { + int[] formats = new int[numFormats]; + gl.glGetIntegerv(GL2ES2.GL_SHADER_BINARY_FORMATS, formats, 0); + for(int i=0; i<numFormats; i++) { + shaderBinaryFormats.add(new Integer(formats[i])); + } + } + } + } + return shaderBinaryFormats; + } + + + public boolean isShaderCompilerAvailable(GL _gl) { + GL2ES2 gl = _gl.getGL2ES2(); + if(null==shaderCompilerAvailable) { + if(gl.getContext()!=GLContext.getCurrent()) { + return false; // bail out + } + Set bfs = getShaderBinaryFormats(gl); + if(gl.isGLES2()) { + byte[] param = new byte[1]; + gl.glGetBooleanv(GL2ES2.GL_SHADER_COMPILER, param, 0); + boolean v = param[0]!=(byte)0x00; + if(!v && bfs.size()==0) { + // no supported binary formats, hence a compiler must be available! + v = true; + } + shaderCompilerAvailable = new Boolean(v); + } else if( gl.isGL2() || gl.isGL2ES2() ) { + shaderCompilerAvailable = new Boolean(true); + } else { + throw new GLException("Invalid OpenGL profile"); + } + } + return shaderCompilerAvailable.booleanValue(); + } + + public void shaderSource(GL _gl, int shader, java.lang.String[] source) + { + GL2ES2 gl = _gl.getGL2ES2(); + if(!isShaderCompilerAvailable(_gl)) { + throw new GLException("No compiler is available"); + } + + int count = (null!=source)?source.length:0; + if(count==0) { + throw new GLException("No sources specified"); + } + + int[] lengths = new int[count]; + for(int i=0; i<count; i++) { + lengths[i] = source[i].length(); + } + gl.glShaderSource(shader, count, source, lengths, 0); + } + + public void shaderSource(GL _gl, IntBuffer shaders, java.lang.String[][] sources) + { + int sourceNum = (null!=sources)?sources.length:0; + int shaderNum = (null!=shaders)?shaders.remaining():0; + if(shaderNum<=0 || sourceNum<=0 || shaderNum!=sourceNum) { + throw new GLException("Invalid number of shaders and/or sources: shaders="+ + shaderNum+", sources="+sourceNum); + } + for(int i=0; i<sourceNum; i++) { + shaderSource(_gl, shaders.get(shaders.position() + i), sources[i]); + } + } + + public void shaderBinary(GL _gl, IntBuffer shaders, int binFormat, java.nio.Buffer bin) + { + GL2ES2 gl = _gl.getGL2ES2(); + if(getShaderBinaryFormats(gl).size()<=0) { + throw new GLException("No binary formats are supported"); + } + + int shaderNum = shaders.remaining(); + if(shaderNum<=0) { + throw new GLException("No shaders specified"); + } + if(null==bin) { + throw new GLException("Null shader binary"); + } + int binLength = bin.remaining(); + if(0>=binLength) { + throw new GLException("Empty shader binary (remaining == 0)"); + } + gl.glShaderBinary(shaderNum, shaders, binFormat, bin, binLength); + } + + public void compileShader(GL _gl, IntBuffer shaders) + { + GL2ES2 gl = _gl.getGL2ES2(); + for (int i = shaders.position(); i < shaders.limit(); i++) { + gl.glCompileShader(shaders.get(i)); + } + } + + public void attachShader(GL _gl, int program, IntBuffer shaders) + { + GL2ES2 gl = _gl.getGL2ES2(); + for (int i = shaders.position(); i < shaders.limit(); i++) { + gl.glAttachShader(program, shaders.get(i)); + } + } + + public void detachShader(GL _gl, int program, IntBuffer shaders) + { + GL2ES2 gl = _gl.getGL2ES2(); + for (int i = shaders.position(); i < shaders.limit(); i++) { + gl.glDetachShader(program, shaders.get(i)); + } + } + + public void deleteShader(GL _gl, IntBuffer shaders) + { + GL2ES2 gl = _gl.getGL2ES2(); + for (int i = shaders.position(); i < shaders.limit(); i++) { + gl.glDeleteShader(shaders.get(i)); + + } + } + } + + public static String getShaderInfoLog(GL gl, int shaderObj) { + return getImpl(gl).getShaderInfoLog(gl, shaderObj); + } + + public static String getProgramInfoLog(GL gl, int programObj) { + return getImpl(gl).getProgramInfoLog(gl, programObj); + } + + public static boolean isShaderStatusValid(GL gl, int shaderObj, int name) { + return getImpl(gl).isShaderStatusValid(gl, shaderObj, name); + } + + public static boolean isShaderStatusValid(GL gl, int shaderObj, int name, PrintStream verboseOut) { + return getImpl(gl).isShaderStatusValid(gl, shaderObj, name, verboseOut); + } + + public static boolean isShaderStatusValid(GL gl, IntBuffer shaders, int name) { + return getImpl(gl).isShaderStatusValid(gl, shaders, name); + } + + public static boolean isShaderStatusValid(GL gl, IntBuffer shaders, int name, PrintStream verboseOut) { + return getImpl(gl).isShaderStatusValid(gl, shaders, name, verboseOut); + } + + public static boolean isProgramStatusValid(GL gl, int programObj, int name) { + return getImpl(gl).isProgramStatusValid(gl, programObj, name); + } + + public static boolean isProgramValid(GL gl, int programObj) { + return getImpl(gl).isProgramValid(gl, programObj); + } + + public static boolean isProgramValid(GL gl, int programObj, PrintStream verboseOut) { + return getImpl(gl).isProgramValid(gl, programObj, verboseOut); + } + + public static void createShader(GL gl, int type, IntBuffer shaders) { + getImpl(gl).createShader(gl, type, shaders); + } + + public static Set getShaderBinaryFormats(GL gl) { + return getImpl(gl).getShaderBinaryFormats(gl); + } + + public static boolean isShaderCompilerAvailable(GL gl) { + return getImpl(gl).isShaderCompilerAvailable(gl); + } + + public static void shaderSource(GL gl, int shader, java.lang.String[] source) { + getImpl(gl).shaderSource(gl, shader, source); + } + + public static void shaderSource(GL gl, IntBuffer shaders, java.lang.String[][] sources) { + getImpl(gl).shaderSource(gl, shaders, sources); + } + + public static void shaderBinary(GL gl, IntBuffer shaders, int binFormat, java.nio.Buffer bin) { + getImpl(gl).shaderBinary(gl, shaders, binFormat, bin); + } + + public static void compileShader(GL gl, IntBuffer shaders) { + getImpl(gl).compileShader(gl, shaders); + } + + public static void attachShader(GL gl, int program, IntBuffer shaders) { + getImpl(gl).attachShader(gl, program, shaders); + } + + public static void detachShader(GL gl, int program, IntBuffer shaders) { + getImpl(gl).detachShader(gl, program, shaders); + } + + public static void deleteShader(GL gl, IntBuffer shaders) { + getImpl(gl).deleteShader(gl, shaders); + } + + private static Impl getImpl(GL _gl) { + GL2ES2 gl = _gl.getGL2ES2(); + GLContext context = gl.getContext(); + // Argument could be anything suitably unique + String name = "com.sun.opengl.util.glsl.ShaderUtil.GL2ES2Impl"; + Impl impl = (Impl) context.getAttachedObject(name); + if (impl == null) { + impl = new GL2ES2Impl(); + context.putAttachedObject(name, impl); + } + return impl; + } +} |