diff options
Diffstat (limited to 'src')
3 files changed, 0 insertions, 1057 deletions
diff --git a/src/classes/javax/media/opengl/util/glsl/ShaderCode.java b/src/classes/javax/media/opengl/util/glsl/ShaderCode.java deleted file mode 100644 index b512f5912..000000000 --- a/src/classes/javax/media/opengl/util/glsl/ShaderCode.java +++ /dev/null @@ -1,273 +0,0 @@ - -package javax.media.opengl.util.glsl; - -import javax.media.opengl.util.*; -import javax.media.opengl.*; - -import java.nio.*; -import java.io.*; -import java.net.*; - -public class ShaderCode { - public ShaderCode(int type, int number, - int binFormat, Buffer binary, String[][] source) { - switch (type) { - case GL2ES2.GL_VERTEX_SHADER: - case GL2ES2.GL_FRAGMENT_SHADER: - break; - default: - throw new GLException("Unknown shader type: "+type); - } - shaderSource = source; - shaderBinaryFormat = binFormat; - shaderBinary = binary; - shaderType = type; - shader = BufferUtil.newIntBuffer(number); - id = getNextID(); - } - - public static ShaderCode create(int type, int number, - Class context, int binFormat, String binaryFile, String[] sourceFiles) { - String[][] shaderSources = null; - ByteBuffer shaderBinary = null; - if(null!=sourceFiles) { - shaderSources = new String[sourceFiles.length][1]; - for(int i=0; i<sourceFiles.length; i++) { - shaderSources[i][0] = readShaderSource(context, sourceFiles[i]); - if(null == shaderSources[i][0]) { - throw new RuntimeException("Can't find shader source " + sourceFiles[i]); - } - } - } - if(null!=binaryFile && 0<=binFormat) { - shaderBinary = readShaderBinary(context, binaryFile); - if(null == shaderBinary) { - System.err.println("Can't find shader binary " + binaryFile + " - ignored"); - binFormat = -1; - } - } - return new ShaderCode(type, number, binFormat, shaderBinary, shaderSources); - } - - /** - * returns the uniq shader id as an integer - * @see #key() - */ - public int id() { return id.intValue(); } - - /** - * returns the uniq shader id as an Integer - * - * @see #id() - */ - public Integer key() { return id; } - - public int shaderType() { return shaderType; } - public String shaderTypeStr() { return shaderTypeStr(shaderType); } - - public static String shaderTypeStr(int type) { - switch (type) { - case GL2ES2.GL_VERTEX_SHADER: - return "VERTEX_SHADER"; - case GL2ES2.GL_FRAGMENT_SHADER: - return "FRAGMENT_SHADER"; - } - return "UNKNOWN_SHADER"; - } - - public int shaderBinaryFormat() { return shaderBinaryFormat; } - public Buffer shaderBinary() { return shaderBinary; } - public String[][] shaderSource() { return shaderSource; } - - public boolean isValid() { return valid; } - - public IntBuffer shader() { return shader; } - - public boolean compile(GL2ES2 gl) { - return compile(gl, null); - } - public boolean compile(GL2ES2 gl, PrintStream verboseOut) { - if(isValid()) return true; - - // Create & Compile the vertex/fragment shader objects - valid=gl.glCreateCompileShader(shader, shaderType, - shaderBinaryFormat, shaderBinary, - shaderSource, verboseOut); - shader.clear(); - return valid; - } - - public void release(GL2ES2 gl) { - if(isValid()) { - gl.glDeleteShader(shader()); - valid=false; - } - } - - public boolean equals(Object obj) { - if(this==obj) return true; - if(obj instanceof ShaderCode) { - return id()==((ShaderCode)obj).id(); - } - return false; - } - public int hashCode() { - return id.intValue(); - } - public String toString() { - StringBuffer buf = new StringBuffer("ShaderCode [id="+id+", type="+shaderTypeStr()+", valid="+valid); - /* - if(shaderSource!=null) { - for(int i=0; i<shaderSource.length; i++) { - for(int j=0; j<shaderSource[i].length; j++) { - buf.append("\n\t, ShaderSource["+i+"]["+j+"]:\n"); - buf.append(shaderSource[i][j]); - } - } - } */ - buf.append("]"); - return buf.toString(); - } - - public static void readShaderSource(ClassLoader context, String path, URL url, StringBuffer result) { - try { - BufferedReader reader = new BufferedReader(new InputStreamReader(url.openStream())); - String line = null; - while ((line = reader.readLine()) != null) { - if (line.startsWith("#include ")) { - String includeFile = line.substring(9).trim(); - // Try relative path first - String next = makeRelative(path, includeFile); - URL nextURL = getResource(context, next); - if (nextURL == null) { - // Try absolute path - next = includeFile; - nextURL = getResource(context, next); - } - if (nextURL == null) { - // Fail - throw new FileNotFoundException("Can't find include file " + includeFile); - } - readShaderSource(context, next, nextURL, result); - } else { - result.append(line + "\n"); - } - } - } catch (IOException e) { - throw new RuntimeException(e); - } - } - - public static String readShaderSource(Class context, String path) { - URL url = getResource(context.getClassLoader(), path); - if (url == null) { - // Try again by scoping the path within the class's package - String className = context.getName().replace('.', '/'); - int lastSlash = className.lastIndexOf('/'); - if (lastSlash >= 0) { - String tmpPath = className.substring(0, lastSlash + 1) + path; - url = getResource(context.getClassLoader(), tmpPath); - if (url != null) { - path = tmpPath; - } - } - } - if (url == null) { - return null; - } - StringBuffer result = new StringBuffer(); - readShaderSource(context.getClassLoader(), path, url, result); - return result.toString(); - } - - public static ByteBuffer readShaderBinary(Class context, String path) { - try { - URL url = getResource(context.getClassLoader(), path); - if (url == null) { - // Try again by scoping the path within the class's package - String className = context.getName().replace('.', '/'); - int lastSlash = className.lastIndexOf('/'); - if (lastSlash >= 0) { - String tmpPath = className.substring(0, lastSlash + 1) + path; - url = getResource(context.getClassLoader(), tmpPath); - if (url != null) { - path = tmpPath; - } - } - } - if (url == null) { - return null; - } - return readAll(new BufferedInputStream(url.openStream())); - } catch (IOException e) { - throw new RuntimeException(e); - } - } - - //---------------------------------------------------------------------- - // Internals only below this point - // - - protected static URL getResource(ClassLoader context, String path) { - if (context != null) { - return context.getResource(path); - } else { - return ClassLoader.getSystemResource(path); - } - } - - protected static String makeRelative(String context, String includeFile) { - File file = new File(context); - file = file.getParentFile(); - while (file != null && includeFile.startsWith("../")) { - file = file.getParentFile(); - includeFile = includeFile.substring(3); - } - if (file != null) { - String res = new File(file, includeFile).getPath(); - // Handle things on Windows - return res.replace('\\', '/'); - } else { - return includeFile; - } - } - - private static ByteBuffer readAll(InputStream stream) throws IOException { - byte[] data = new byte[1024]; - int numRead = 0; - int pos = 0; - do { - int avail = data.length - pos; - if (avail == 0) { - int newSize = 2 * data.length; - byte[] newData = new byte[newSize]; - System.arraycopy(data, 0, newData, 0, data.length); - data = newData; - avail = data.length - pos; - } - numRead = stream.read(data, pos, avail); - if (numRead > 0) { - pos += numRead; - } - } while (numRead >= 0); - ByteBuffer res = ByteBuffer.wrap(data); - if (data.length != pos) { - res.limit(pos); - } - return res; - } - protected String[][] shaderSource = null; - protected Buffer shaderBinary = null; - protected int shaderBinaryFormat = -1; - protected IntBuffer shader = null; - protected int shaderType = -1; - protected Integer id = null; - - protected boolean valid=false; - - private static synchronized Integer getNextID() { - return new Integer(nextID++); - } - protected static int nextID = 1; -} - diff --git a/src/classes/javax/media/opengl/util/glsl/ShaderProgram.java b/src/classes/javax/media/opengl/util/glsl/ShaderProgram.java deleted file mode 100644 index 5628f3332..000000000 --- a/src/classes/javax/media/opengl/util/glsl/ShaderProgram.java +++ /dev/null @@ -1,201 +0,0 @@ - -package javax.media.opengl.util.glsl; - -import javax.media.opengl.util.*; -import javax.media.opengl.*; - -import java.util.HashMap; -import java.util.Iterator; -import java.nio.*; -import java.io.PrintStream; - -public class ShaderProgram { - public ShaderProgram() { - id = getNextID(); - } - - public boolean linked() { - return programLinked; - } - - public boolean inUse() { - return programInUse; - } - - public int program() { return shaderProgram; } - - /** - * returns the uniq shader id as an integer - * @see #key() - */ - public int id() { return id.intValue(); } - - /** - * returns the uniq shader id as an Integer - * - * @see #id() - */ - public Integer key() { return id; } - - /** - * @see #glReleaseAllVertexAttributes - */ - public synchronized void release(GL2ES2 gl) { - release(gl, false); - } - - /** - * @see #glReleaseAllVertexAttributes - */ - public synchronized void release(GL2ES2 gl, boolean releaseShaderToo) { - glUseProgram(gl, false); - for(Iterator iter=shaderMap.values().iterator(); iter.hasNext(); ) { - ShaderCode shaderCode = (ShaderCode) iter.next(); - gl.glDetachShader(shaderProgram, shaderCode.shader()); - if(releaseShaderToo) { - shaderCode.release(gl); - } - } - shaderMap.clear(); - gl.glDeleteProgram(shaderProgram); - shaderProgram=-1; - } - - // - // ShaderCode handling - // - - /** - * Adds a new shader to a this non running program. - * - * @return false if the program is in use, or the shader already exist, - * otherwise true. - */ - public synchronized boolean add(ShaderCode shaderCode) { - if(shaderMap.containsKey(shaderCode.key())) return false; - shaderMap.put(shaderCode.key(), shaderCode); - return true; - } - - public synchronized ShaderCode getShader(int id) { - return (ShaderCode) shaderMap.get(new Integer(id)); - } - - // - // Program handling - // - - /** - * Replace a shader in a 'running' program. - * Refetches all previously bin/get attribute names - * and resets all attribute data as well - * - * @see getAttribLocation - * @param gl - * @param oldShaderID the to be replace Shader - * @param newShader the new ShaderCode - * @param verboseOut the optional verbose outputstream - * @throws GLException is the program is not linked - * - * @see #glRefetchAttribLocations - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public synchronized boolean glReplaceShader(GL2ES2 gl, int oldShaderID, ShaderCode newShader, PrintStream verboseOut) { - if(!programLinked) throw new GLException("Program is not linked"); - boolean shaderWasInUse = programInUse; - glUseProgram(gl, false); - if(!newShader.compile(gl, verboseOut)) { - return false; - } - if(oldShaderID>=0) { - ShaderCode oldShader = (ShaderCode) shaderMap.remove(new Integer(oldShaderID)); - if(null!=oldShader) { - gl.glDetachShader(shaderProgram, oldShader.shader()); - } - } - add(newShader); - - gl.glAttachShader(shaderProgram, newShader.shader()); - gl.glLinkProgram(shaderProgram); - if ( ! gl.glIsProgramValid(shaderProgram, System.err) ) { - return false; - } - - if(shaderWasInUse) { - glUseProgram(gl, true); - } - return true; - } - - public synchronized boolean link(GL2ES2 gl, PrintStream verboseOut) { - if(programLinked) throw new GLException("Program is already linked"); - - if(0>shaderProgram) { - shaderProgram = gl.glCreateProgram(); - } - - for(Iterator iter=shaderMap.values().iterator(); iter.hasNext(); ) { - ShaderCode shaderCode = (ShaderCode) iter.next(); - if(!shaderCode.compile(gl, verboseOut)) { - return false; - } - gl.glAttachShader(shaderProgram, shaderCode.shader()); - } - - // Link the program - gl.glLinkProgram(shaderProgram); - - if ( ! gl.glIsProgramValid(shaderProgram, System.err) ) { - return false; - } - programLinked=true; - - return true; - } - - public boolean equals(Object obj) { - if(this==obj) return true; - if(obj instanceof ShaderCode) { - return id()==((ShaderCode)obj).id(); - } - return false; - } - public int hashCode() { - return id.intValue(); - } - public String toString() { - StringBuffer buf = new StringBuffer(); - buf.append("ShaderProgram[id="+id); - buf.append(", linked="+programLinked+", inUse="+programInUse+", program: "+shaderProgram+", ["); - for(Iterator iter=shaderMap.values().iterator(); iter.hasNext(); ) { - buf.append((ShaderCode) iter.next()); - buf.append(" "); - } - buf.append("]"); - return buf.toString(); - } - - protected synchronized void glUseProgram(GL2ES2 gl, boolean on) { - if(!programLinked) throw new GLException("Program is not linked"); - if(programInUse==on) return; - gl.glUseProgram(on?shaderProgram:0); - programInUse = on; - - //Throwable tX = new Throwable("Info: ShaderProgram.glUseProgram: "+on); - //tX.printStackTrace(); - - } - - protected boolean programLinked = false; - protected boolean programInUse = false; - protected int shaderProgram=-1; - protected HashMap shaderMap = new HashMap(); - protected Integer id = null; - - private static synchronized Integer getNextID() { - return new Integer(nextID++); - } - protected static int nextID = 1; -} - diff --git a/src/classes/javax/media/opengl/util/glsl/ShaderState.java b/src/classes/javax/media/opengl/util/glsl/ShaderState.java deleted file mode 100644 index 7f917cc07..000000000 --- a/src/classes/javax/media/opengl/util/glsl/ShaderState.java +++ /dev/null @@ -1,583 +0,0 @@ - -package javax.media.opengl.util.glsl; - -import javax.media.opengl.util.*; -import javax.media.opengl.*; - -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.nio.*; -import java.io.PrintStream; - -public class ShaderState { - - public ShaderState() { - } - - public boolean verbose() { return verbose; } - - public void setVerbose(boolean v) { verbose=v; } - - /** - * Fetches the current shader state - * - * @see javax.media.opengl.util.glsl.ShaderState#glUseProgram(GL2ES2, boolean) - * @see javax.media.opengl.util.glsl.ShaderState#getCurrent() - */ - public static synchronized ShaderState getCurrent() { return currentShaderState; } - - /** - * Turns the shader program on - * and set this ShaderState to current if on equals true - * - * @see javax.media.opengl.util.glsl.ShaderState#glUseProgram(GL2ES2, boolean) - * @see javax.media.opengl.util.glsl.ShaderState#getCurrent() - */ - public synchronized void glUseProgram(GL2ES2 gl, boolean on) { - if(on) { - if(null!=shaderProgram) { - shaderProgram.glUseProgram(gl, true); - } else { - throw new GLException("No program is attached"); - } - if(currentShaderState!=this) { - currentShaderState = this; - } - } else if(null!=shaderProgram) { - shaderProgram.glUseProgram(gl, false); - } - } - - public boolean linked() { - return (null!=shaderProgram)?shaderProgram.linked():false; - } - - public boolean inUse() { - return (null!=shaderProgram)?shaderProgram.inUse():false; - } - - /** - * Attach or switch a shader program - * - * Attaching a shader program the first time, - * as well as switching to another program on the fly, - * while managing all attribute and uniform data. - */ - public synchronized void attachShaderProgram(GL2ES2 gl, ShaderProgram prog) { - boolean prgInUse = false; // earmarked state - - if(null!=shaderProgram) { - if(shaderProgram.equals(prog)) { - // nothing to do .. - if(DEBUG) { - System.err.println("Info: attachShaderProgram: NOP: equal id: "+shaderProgram.id()); - } - return; - } - prgInUse = shaderProgram.inUse(); - } - if(DEBUG) { - Throwable tX = new Throwable("Info: attachShaderProgram: BEGIN "+shaderProgram+" -> "+prog); - tX.printStackTrace(); - } - - // register new one - shaderProgram = prog; - - if(null!=shaderProgram) { - // reinstall all data .. - shaderProgram.glUseProgram(gl, true); - glResetAllVertexAttributes(gl); - glResetAllUniforms(gl); - if(!prgInUse) { - shaderProgram.glUseProgram(gl, false); - } - } - if(DEBUG) { - System.err.println("Info: attachShaderProgram: END"); - } - } - - public ShaderProgram shaderProgram() { return shaderProgram; } - - /** - * @see #glReleaseAllVertexAttributes - * @see #glReleaseAllUniforms - */ - public synchronized void release(GL2ES2 gl) { - release(gl, false, false); - } - - public synchronized void release(GL2ES2 gl, boolean releaseProgramToo, boolean releaseShaderToo) { - boolean prgInUse = false; - if(null!=shaderProgram) { - prgInUse = shaderProgram.inUse(); - if(!prgInUse) { - shaderProgram.glUseProgram(gl, true); - } - } - glReleaseAllVertexAttributes(gl); - glReleaseAllUniforms(gl); - if(null!=shaderProgram) { - if(releaseProgramToo) { - shaderProgram.release(gl, releaseShaderToo); - } else if(!prgInUse) { - shaderProgram.glUseProgram(gl, false); - } - } - } - - // - // Shader attribute handling - // - - /** - * Binds an attribute to the shader. - * This must be done before the program is linked ! - * n name - 1 idx, where name is a uniq key - * - * @throws GLException is the program is already linked - * - * @see #glBindAttribLocation - * @see javax.media.opengl.GL2ES2#glBindAttribLocation - * @see #glGetAttribLocation - * @see javax.media.opengl.GL2ES2#glGetAttribLocation - * @see #getAttribLocation - * @see #glReplaceShader - */ - public void glBindAttribLocation(GL2ES2 gl, int index, String name) { - if(null==shaderProgram) throw new GLException("No program is attached"); - if(shaderProgram.linked()) throw new GLException("Program is already linked"); - Integer idx = new Integer(index); - if(!attribMap2Idx.containsKey(name)) { - attribMap2Idx.put(name, idx); - gl.glBindAttribLocation(shaderProgram.program(), index, name); - } - } - - /** - * Gets the index of a shader attribute. - * This must be done after the program is linked ! - * - * @return -1 if there is no such attribute available, - * otherwise >= 0 - * @throws GLException is the program is not linked - * - * @see #glBindAttribLocation - * @see javax.media.opengl.GL2ES2#glBindAttribLocation - * @see #glGetAttribLocation - * @see javax.media.opengl.GL2ES2#glGetAttribLocation - * @see #getAttribLocation - * @see #glReplaceShader - */ - public int glGetAttribLocation(GL2ES2 gl, String name) { - if(!shaderProgram.linked()) throw new GLException("Program is not linked"); - int index = getAttribLocation(name); - if(0>index) { - index = gl.glGetAttribLocation(shaderProgram.program(), name); - if(0<=index) { - Integer idx = new Integer(index); - attribMap2Idx.put(name, idx); - } else if(verbose) { - Throwable tX = new Throwable("Info: glGetAttribLocation failed, no location for: "+name+", index: "+index); - tX.printStackTrace(); - } - } - return index; - } - - protected int getAttribLocation(String name) { - Integer idx = (Integer) attribMap2Idx.get(name); - return (null!=idx)?idx.intValue():-1; - } - - - // - // Enabled Vertex Arrays and its data - // - - /** - * Enable a vertex attribute array - * - * Even if the attribute is not found in the current shader, - * it is stored in this state. - * - * @returns false, if the name is not found, otherwise true - * - * @throws GLException if the program is not in use - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public boolean glEnableVertexAttribArray(GL2ES2 gl, String name) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - enabledVertexAttribArraySet.add(name); - int index = glGetAttribLocation(gl, name); - if(0>index) { - if(verbose) { - Throwable tX = new Throwable("Info: glEnableVertexAttribArray failed, no index for: "+name); - tX.printStackTrace(); - } - return false; - } - if(DEBUG) { - System.err.println("Info: glEnableVertexAttribArray: "+name); - } - gl.glEnableVertexAttribArray(index); - return true; - } - - public boolean isVertexAttribArrayEnabled(String name) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - return enabledVertexAttribArraySet.contains(name); - } - - /** - * Disables a vertex attribute array - * - * Even if the attribute is not found in the current shader, - * it is removed from this state. - * - * @returns false, if the name is not found, otherwise true - * - * @throws GLException if the program is not in use - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public boolean glDisableVertexAttribArray(GL2ES2 gl, String name) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - enabledVertexAttribArraySet.remove(name); - int index = glGetAttribLocation(gl, name); - if(0>index) { - if(verbose) { - Throwable tX = new Throwable("Info: glDisableVertexAttribArray failed, no index for: "+name); - tX.printStackTrace(); - } - return false; - } - if(DEBUG) { - System.err.println("Info: glDisableVertexAttribArray: "+name); - } - gl.glDisableVertexAttribArray(index); - return true; - } - - /** - * Set the vertex attribute data. - * Enable the attribute, if it is not enabled yet. - * - * Even if the attribute is not found in the current shader, - * it is stored in this state. - * - * @arg data the GLArrayData's name must match the attributes one, - * it's index will be set with the attribute's location, - * if found. - * - * @returns false, if the name is not found, otherwise true - * - * @throws GLException if the program is not in use - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public boolean glVertexAttribPointer(GL2ES2 gl, GLArrayData data) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - if(!enabledVertexAttribArraySet.contains(data.getName())) { - if(!glEnableVertexAttribArray(gl, data.getName())) { - if(verbose) { - Throwable tX = new Throwable("Info: glVertexAttribPointer: couldn't enable: "+data); - tX.printStackTrace(); - } - } - } - int index = getAttribLocation(data.getName()); - if(0>index) { - if(verbose) { - Throwable tX = new Throwable("Info: glVertexAttribPointer failed, no index for: "+data); - tX.printStackTrace(); - } - } - data.setLocation(index); - vertexAttribMap2Data.put(data.getName(), data); - if(0<=index) { - // only pass the data, if the attribute exists in the current shader - if(DEBUG) { - System.err.println("Info: glVertexAttribPointer: "+data); - } - gl.glVertexAttribPointer(data); - return true; - } - return false; - } - - /** - * Get the vertex attribute data, previously set. - * - * @returns the GLArrayData object, null if not previously set. - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public GLArrayData getVertexAttribPointer(String name) { - return (GLArrayData) vertexAttribMap2Data.get(name); - } - - /** - * Releases all mapped vertex attribute data, - * disables all enabled attributes and loses all indices - * - * @throws GLException is the program is not in use but the shaderProgram is set - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public void glReleaseAllVertexAttributes(GL2ES2 gl) { - if(null!=shaderProgram) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - for(Iterator iter = vertexAttribMap2Data.keySet().iterator(); iter.hasNext(); ) { - if(!glDisableVertexAttribArray(gl, (String) iter.next())) { - throw new GLException("Internal Error: mapped vertex attribute couldn't be disabled"); - } - } - for(Iterator iter = enabledVertexAttribArraySet.iterator(); iter.hasNext(); ) { - if(!glDisableVertexAttribArray(gl, (String) iter.next())) { - throw new GLException("Internal Error: prev enabled vertex attribute couldn't be disabled"); - } - } - } - vertexAttribMap2Data.clear(); - enabledVertexAttribArraySet.clear(); - attribMap2Idx.clear(); - } - - /** - * Disables all vertex attribute arrays. - * - * Their enabled stated will be removed from this state only - * if 'removeFromState' is true. - * - * This method purpose is more for debugging. - * - * @throws GLException is the program is not in use but the shaderProgram is set - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public void glDisableAllVertexAttributeArrays(GL2ES2 gl, boolean removeFromState) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - - for(Iterator iter = enabledVertexAttribArraySet.iterator(); iter.hasNext(); ) { - String name = (String) iter.next(); - if(removeFromState) { - enabledVertexAttribArraySet.remove(name); - } - int index = glGetAttribLocation(gl, name); - if(0<=index) { - gl.glDisableVertexAttribArray(index); - } - } - } - - /** - * Reset all previously mapped vertex attribute data, - * incl enabling them - * - * @throws GLException is the program is not in use - * - * @see #glEnableVertexAttribArray - * @see #glDisableVertexAttribArray - * @see #glVertexAttribPointer - * @see #getVertexAttributePointer - * @see #glReleaseAllVertexAttributes - * @see #glResetAllVertexAttributes - * @see #glReplaceShader - */ - public void glResetAllVertexAttributes(GL2ES2 gl) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - attribMap2Idx.clear(); - - for(Iterator iter = enabledVertexAttribArraySet.iterator(); iter.hasNext(); ) { - glEnableVertexAttribArray(gl, (String) iter.next()); - } - - for(Iterator iter = vertexAttribMap2Data.values().iterator(); iter.hasNext(); ) { - glVertexAttribPointer(gl, (GLArrayData) iter.next()); - } - } - - // - // Shader Uniform handling - // - - /** - * Gets the index of a shader uniform. - * This must be done when the program is in use ! - * - * @return -1 if there is no such attribute available, - * otherwise >= 0 - - * @throws GLException is the program is not linked - * - * @see #glGetUniformLocation - * @see javax.media.opengl.GL2ES2#glGetUniformLocation - * @see #getUniformLocation - * @see #glReplaceShader - */ - protected int glGetUniformLocation(GL2ES2 gl, String name) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - int index = getUniformLocation(name); - if(0>index) { - index = gl.glGetUniformLocation(shaderProgram.program(), name); - if(0<=index) { - Integer idx = new Integer(index); - uniformMap2Idx.put(name, idx); - } else if(verbose) { - Throwable tX = new Throwable("Info: glUniform failed, no location for: "+name+", index: "+index); - tX.printStackTrace(); - } - } - return index; - } - - protected int getUniformLocation(String name) { - Integer idx = (Integer) uniformMap2Idx.get(name); - return (null!=idx)?idx.intValue():-1; - } - - /** - * Set the uniform data. - * - * Even if the uniform is not found in the current shader, - * it is stored in this state. - * - * @arg data the GLUniforms's name must match the uniform one, - * it's index will be set with the uniforms's location, - * if found. - * - * - * @returns false, if the name is not found, otherwise true - * - * @throws GLException if the program is not in use - * - * @see #glGetUniformLocation - * @see javax.media.opengl.GL2ES2#glGetUniformLocation - * @see #getUniformLocation - * @see #glReplaceShader - */ - public boolean glUniform(GL2ES2 gl, GLUniformData data) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - int location = glGetUniformLocation(gl, data.getName()); - data.setLocation(location); - uniformMap2Data.put(data.getName(), data); - if(0<=location) { - // only pass the data, if the uniform exists in the current shader - if(DEBUG) { - System.err.println("Info: glUniform: "+data); - } - gl.glUniform(data); - } - return true; - } - - /** - * Get the uniform data, previously set. - * - * @returns the GLUniformData object, null if not previously set. - */ - public GLUniformData getUniform(String name) { - return (GLUniformData) uniformMap2Data.get(name); - } - - /** - * Releases all mapped uniform data - * and loses all indices - * - * @throws GLException is the program is not in use - */ - public void glReleaseAllUniforms(GL2ES2 gl) { - uniformMap2Data.clear(); - uniformMap2Idx.clear(); - } - - /** - * Reset all previously mapped uniform data - * - * @throws GLException is the program is not in use - */ - public void glResetAllUniforms(GL2ES2 gl) { - if(!shaderProgram.inUse()) throw new GLException("Program is not in use"); - uniformMap2Idx.clear(); - for(Iterator iter = uniformMap2Data.values().iterator(); iter.hasNext(); ) { - glUniform(gl, (GLUniformData) iter.next()); - } - } - - public String toString() { - StringBuffer buf = new StringBuffer(); - buf.append("ShaderState["); - buf.append(shaderProgram.toString()); - buf.append(",EnabledStates: ["); - for(Iterator iter = enabledVertexAttribArraySet.iterator(); iter.hasNext(); ) { - buf.append("\n "); - buf.append((String)iter.next()); - } - buf.append("], ["); - for(Iterator iter = vertexAttribMap2Data.values().iterator(); iter.hasNext(); ) { - buf.append("\n "); - buf.append((GLArrayData) iter.next()); - } - buf.append("], ["); - for(Iterator iter=uniformMap2Data.values().iterator(); iter.hasNext(); ) { - buf.append("\n "); - buf.append((GLUniformData) iter.next()); - } - buf.append("]"); - return buf.toString(); - } - - protected static final boolean DEBUG = false; - protected boolean verbose = false; - protected ShaderProgram shaderProgram=null; - protected HashMap attribMap2Idx = new HashMap(); - protected HashSet enabledVertexAttribArraySet = new HashSet(); - protected HashMap vertexAttribMap2Data = new HashMap(); - protected HashMap uniformMap2Idx = new HashMap(); - protected HashMap uniformMap2Data = new HashMap(); - protected static ShaderState currentShaderState = null; - -} - |