From a959c53b7ac91e489bf0959391e892790b9ff248 Mon Sep 17 00:00:00 2001
From: Kenneth Russel <kbrussel@alum.mit.edu>
Date: Mon, 15 Jun 2009 22:57:38 +0000
Subject: Copied JOGL_2_SANDBOX r1957 on to trunk; JOGL_2_SANDBOX branch is now
closed
git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1959 232f8b59-042b-4e1e-8c03-345bb8c30851
---
.../com/sun/opengl/util/glsl/ShaderUtil.java | 398 +++++++++++++++++++++
1 file changed, 398 insertions(+)
create mode 100644 src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java
(limited to 'src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java')
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..d1bb8b32b
--- /dev/null
+++ b/src/jogl/classes/com/sun/opengl/util/glsl/ShaderUtil.java
@@ -0,0 +1,398 @@
+/*
+ * 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();
+ Impl impl = (Impl) context.getAttachedObject(ShaderUtil.class.getName());
+ if (impl == null) {
+ impl = new GL2ES2Impl();
+ context.putAttachedObject(ShaderUtil.class.getName(), impl);
+ }
+ return impl;
+ }
+}
--
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