Moved javax.media.opengl.glsl.* and javax.media.opengl.sdk.* classes

into com.sun.opengl.util.* hierarchy in preparation for refactoring of
fixed function emulation into utility classes. Updated dependencies
and demos.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/branches/JOGL_2_SANDBOX@1837 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 184 insertions, 0 deletions

diff --git a/src/classes/com/sun/opengl/util/glsl/sdk/CompileShader.java b/src/classes/com/sun/opengl/util/glsl/sdk/CompileShader.java
new file mode 100755
index 000000000..9b3a48780
--- /dev/null
+++ b/src/classes/com/sun/opengl/util/glsl/sdk/CompileShader.java
@@ -0,0 +1,184 @@
+package com.sun.opengl.util.glsl.sdk;
+
+import javax.media.opengl.*;
+import com.sun.opengl.impl.io.Locator;
+import com.sun.opengl.util.glsl.*;
+
+import java.io.*;
+import java.net.*;
+
+/** Precompiles a shader into a vendor binary format. Input is the
+    resource name of the shader, such as
+    "com/sun/opengl/impl/glsl/fixed/shader/a.fp".
+    Output is "com/sun/opengl/impl/glsl/fixed/shader/bin/nvidia/a.bfp". 
+
+    All path and suffixes are determined by the ShaderCode class,
+    which ensures runtime compatibility.
+
+    @see javax.media.opengl.glsl.ShaderCode
+  */
+
+public abstract class CompileShader {
+
+    public abstract int getBinaryFormat();
+
+    public abstract File getSDKCompilerDir();
+
+    public abstract String getVertexShaderCompiler();
+
+    public abstract String getFragmentShaderCompiler();
+
+    public void processOneShader(String resourceName)
+        throws IOException, UnsupportedEncodingException, InterruptedException
+    {
+        int type = -1;
+        String outName=null;
+        int suffixLen = -1;
+        if(resourceName.endsWith(ShaderCode.getFileSuffix(false, GL2ES2.GL_FRAGMENT_SHADER))) {
+            suffixLen = 2;
+            type = GL2ES2.GL_FRAGMENT_SHADER;
+        } else if(resourceName.endsWith(".frag")) {
+            suffixLen = 4;
+            type = GL2ES2.GL_FRAGMENT_SHADER;
+        } else if(resourceName.endsWith(ShaderCode.getFileSuffix(false, GL2ES2.GL_VERTEX_SHADER))) {
+            suffixLen = 2;
+            type = GL2ES2.GL_VERTEX_SHADER;
+        } else if(resourceName.endsWith(".vert")) {
+            suffixLen = 4;
+            type = GL2ES2.GL_VERTEX_SHADER;
+        }
+        String justName = basename(resourceName);
+        outName = justName.substring(0, justName.length() - suffixLen) +
+                  ShaderCode.getFileSuffix(true, type);
+        URL resourceURL = Locator.getResource(null, resourceName);
+        String dirName = dirname(resourceURL.getPath());
+
+        outName = dirName + File.separator + "bin" + File.separator + 
+                  ShaderCode.getBinarySubPath(getBinaryFormat()) + File.separator + 
+                  outName;
+        processOneShader(resourceName, outName, type);
+    }
+
+    public void processOneShader(String resourceName, String outName, int type)
+        throws IOException, UnsupportedEncodingException, InterruptedException
+    {
+        URL resourceURL = Locator.getResource(null, resourceName);
+        String dirName = dirname(resourceURL.getPath());
+
+        String shader = ShaderCode.readShaderSource(null, resourceName);
+        if(null==shader) {
+            System.err.println("Can't find shader source " + resourceName + " - ignored");
+            return;
+        }
+        System.err.println("Preprocessing: "+ resourceName+", in dir: "+dirName);
+        String justName = basename(resourceName);
+        String processor;
+        switch (type) {
+            case GL2ES2.GL_VERTEX_SHADER:
+                processor = getVertexShaderCompiler();
+                break;
+            case GL2ES2.GL_FRAGMENT_SHADER:
+                processor = getFragmentShaderCompiler();
+                break;
+            default:
+                throw new GLException("Unknown shader type: "+type);
+        }
+        File outputFile = new File(outName);
+
+        // Write shader to a file in java.io.tmpdir
+        File tmpDir = new File(dirName+File.separator+"tmp");
+        tmpDir.mkdirs();
+        File tmpFile = new File(tmpDir, justName);
+        Writer writer = new BufferedWriter(new FileWriter(tmpFile));
+        writer.write(shader, 0, shader.length());
+        writer.flush();
+        writer.close();
+        System.err.println("Preprocessed: "+ tmpFile.getAbsolutePath());
+
+        File processorDir = getSDKCompilerDir();
+
+        System.err.println("SDK: "+ processorDir.getAbsolutePath() + ", compiler: "+processor);
+
+        System.err.println("Output: "+ outputFile.getAbsolutePath());
+
+        // Run the tool
+        Process process = Runtime.getRuntime().exec(new String[] {
+                processorDir.getAbsolutePath() + File.separator + processor,
+                tmpFile.getAbsolutePath(),
+                outputFile.getAbsolutePath()
+            }); // , null, processorDir);
+        new StreamMonitor(process.getInputStream());
+        new StreamMonitor(process.getErrorStream());
+        process.waitFor();
+        // Delete the temporary file
+        // tmpFile.delete();
+    }
+
+    protected static String basename(String path) {
+        int lastSlash = path.lastIndexOf("/");
+        if (lastSlash < 0) {
+            lastSlash = path.lastIndexOf("\\");
+        }
+        String basename;
+        if (lastSlash < 0) {
+            basename = path;
+        } else {
+            basename = path.substring(lastSlash + 1);
+        }
+        return basename;
+    }
+
+    protected static String dirname(String path) {
+        int lastSlash = path.lastIndexOf("/");
+        if (lastSlash < 0) {
+            lastSlash = path.lastIndexOf("\\");
+        }
+        String dirname;
+        if (lastSlash < 0) {
+            dirname = new String();
+        } else {
+            dirname = path.substring(0, lastSlash + 1);
+        }
+        return dirname;
+    }
+
+    public void run(String[] args) {
+        try {
+            for (int i = 0; i < args.length; i++) {
+                processOneShader(args[i]);
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static class StreamMonitor implements Runnable {
+        private InputStream istream;
+        public StreamMonitor(InputStream stream) {
+            istream = stream;
+            new Thread(this, "Output Reader Thread").start();
+        }
+
+        public void run()
+        {
+            byte[] buffer = new byte[4096];
+            try {
+                int numRead = 0;
+                do {
+                    numRead = istream.read(buffer);
+                    if (numRead > 0) {
+                        System.out.write(buffer, 0, numRead);
+                        System.out.flush();
+                    }
+                } while (numRead >= 0);
+            }
+            catch (IOException e) {
+                try {
+                    istream.close();
+                } catch (IOException e2) {
+                }
+                // Should allow clean exit when process shuts down
+            }
+        }
+    }
+}