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Diffstat (limited to 'src/jogl/classes/com/sun/opengl/util/glsl/ShaderState.java')
| -rw-r--r-- | src/jogl/classes/com/sun/opengl/util/glsl/ShaderState.java | 652 |
1 files changed, 0 insertions, 652 deletions
diff --git a/src/jogl/classes/com/sun/opengl/util/glsl/ShaderState.java b/src/jogl/classes/com/sun/opengl/util/glsl/ShaderState.java deleted file mode 100644 index 8712ac7e2..000000000 --- a/src/jogl/classes/com/sun/opengl/util/glsl/ShaderState.java +++ /dev/null @@ -1,652 +0,0 @@ - -package com.sun.opengl.util.glsl; - -import javax.media.opengl.*; -import com.sun.opengl.util.*; -import com.sun.opengl.impl.Debug; - -import java.util.HashMap; -import java.util.HashSet; -import java.util.Iterator; -import java.nio.*; -import java.io.PrintStream; -import java.security.*; - -public class ShaderState { - public static final boolean DEBUG = Debug.isPropertyDefined("jogl.debug.GLSLState", true, AccessController.getContext()); - - public ShaderState() { - } - - public boolean verbose() { return verbose; } - - public void setVerbose(boolean v) { verbose=v; } - - /** - * Fetches the current shader state from the thread local storage (TLS) - * - * @see javax.media.opengl.glsl.ShaderState#glUseProgram(GL2ES2, boolean) - * @see javax.media.opengl.glsl.ShaderState#getCurrent() - */ - public static synchronized ShaderState getCurrent() { - GLContext current = GLContext.getCurrent(); - if(null==current) { - throw new GLException("No context is current on this thread"); - } - return (ShaderState) current.getAttachedObject(ShaderState.class.getName()); - } - - /** - * Turns the shader program on or off.<br> - * Puts this ShaderState to to the thread local storage (TLS), - * if <code>on</code> is <code>true</code>. - * - * @see javax.media.opengl.glsl.ShaderState#glUseProgram(GL2ES2, boolean) - * @see javax.media.opengl.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"); - } - // update the current ShaderState to the TLS .. - gl.getContext().putAttachedObject(ShaderState.class.getName(), 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(DEBUG) { - int curId = (null!=shaderProgram)?shaderProgram.id():-1; - int newId = (null!=prog)?prog.id():-1; - System.err.println("Info: attachShaderProgram: "+curId+" -> "+newId+"\n\t"+shaderProgram+"\n\t"+prog); - if(verbose) { - Throwable tX = new Throwable("Info: attachShaderProgram: Trace"); - tX.printStackTrace(); - } - } - 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(); - shaderProgram.glUseProgram(gl, false); - } - - // 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; } - - /** - * Calls release(gl, true, true) - * - * @see #glReleaseAllVertexAttributes - * @see #glReleaseAllUniforms - * @see #release(GL2ES2, boolean, boolean) - */ - public synchronized void destroy(GL2ES2 gl) { - release(gl, true, true); - } - - /** - * Calls release(gl, false, false) - * - * @see #glReleaseAllVertexAttributes - * @see #glReleaseAllUniforms - * @see #release(GL2ES2, boolean, boolean) - */ - public synchronized void releaseAllData(GL2ES2 gl) { - release(gl, false, false); - } - - /** - * @see #glReleaseAllVertexAttributes - * @see #glReleaseAllUniforms - * @see ShaderProgram#release(GL2ES2, boolean) - */ - 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); - if(DEBUG) { - System.err.println("Info: glGetAttribLocation: "+name+", loc: "+index); - } - } 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+", loc: "+index); - } - 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. - * - * @param 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 enabled 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(); ) { - GLArrayData data = (GLArrayData) iter.next(); - - ... - } */ - - for(Iterator iter = enabledVertexAttribArraySet.iterator(); iter.hasNext(); ) { - // get new location .. - String name = (String) iter.next(); - int loc = glGetAttribLocation(gl, name); - - // get & update data .. - GLArrayData data = getVertexAttribPointer(name); - data.setLocation(loc); - vertexAttribMap2Data.put(name, data); - - if(0>loc) { - // not used in shader - continue; - } - - // enable attrib, VBO and pass location/data - gl.glEnableVertexAttribArray(loc); - - if( data.isVBO() ) { - gl.glBindBuffer(GL.GL_ARRAY_BUFFER, data.getVBOName()); - } - - gl.glVertexAttribPointer(data); - } - } - - // - // 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. - * - * @param 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(); ) { - GLArrayData data = (GLArrayData) iter.next(); - if(data.getLocation()>=0) { - buf.append("\n "); - buf.append(data); - } - } - buf.append("], ["); - for(Iterator iter=uniformMap2Data.values().iterator(); iter.hasNext(); ) { - GLUniformData data = (GLUniformData) iter.next(); - if(data.getLocation()>=0) { - buf.append("\n "); - buf.append(data); - } - } - buf.append("]"); - return buf.toString(); - } - - 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(); - -} - |