public StringBuilder toString(StringBuilder sb, boolean alsoUnlocated) {
if (null == sb) {
sb = new StringBuilder();
}
sb.append("ShaderState[ ");
sb.append(Platform.getNewline()).append(" ");
if (null != shaderProgram) {
shaderProgram.toString(sb);
} else {
sb.append("ShaderProgram: null");
}
sb.append(Platform.getNewline()).append(" enabledAttributes [");
{
Iterator<String> names = activedAttribEnabledMap.keySet().iterator();
Iterator<Boolean> values = activedAttribEnabledMap.values().iterator();
while (names.hasNext()) {
sb.append(Platform.getNewline())
.append(" ")
.append(names.next())
.append(": ")
.append(values.next());
}
}
sb.append(Platform.getNewline()).append(" ],").append(" activeAttributes [");
for (Iterator<GLArrayData> iter = activeAttribDataMap.values().iterator(); iter.hasNext(); ) {
final GLArrayData ad = iter.next();
if (alsoUnlocated || 0 <= ad.getLocation()) {
sb.append(Platform.getNewline()).append(" ").append(ad);
}
}
sb.append(Platform.getNewline()).append(" ],").append(" managedAttributes [");
for (Iterator<GLArrayData> iter = managedAttributes.iterator(); iter.hasNext(); ) {
final GLArrayData ad = iter.next();
if (alsoUnlocated || 0 <= ad.getLocation()) {
sb.append(Platform.getNewline()).append(" ").append(ad);
}
}
sb.append(Platform.getNewline()).append(" ],").append(" activeUniforms [");
for (Iterator<GLUniformData> iter = activeUniformDataMap.values().iterator();
iter.hasNext(); ) {
final GLUniformData ud = iter.next();
if (alsoUnlocated || 0 <= ud.getLocation()) {
sb.append(Platform.getNewline()).append(" ").append(ud);
}
}
sb.append(Platform.getNewline()).append(" ],").append(" managedUniforms [");
for (Iterator<GLUniformData> iter = managedUniforms.iterator(); iter.hasNext(); ) {
final GLUniformData ud = iter.next();
if (alsoUnlocated || 0 <= ud.getLocation()) {
sb.append(Platform.getNewline()).append(" ").append(ud);
}
}
sb.append(Platform.getNewline()).append(" ]").append(Platform.getNewline()).append("]");
return sb;
}
/**
* Enables a vertex attribute array, usually invoked by {@link
* GLArrayDataEditable#enableBuffer(GL, boolean)}.
*
* <p>This method uses the {@link GLArrayData}'s location if set and is the preferred alternative
* to {@link #enableVertexAttribArray(GL2ES2, String)}. If data location is unset it will be
* retrieved via {@link #getAttribLocation(GL2ES2, GLArrayData)} set and cached in this state.
*
* <p>Even if the attribute is not found in the current shader, it is marked enabled in this
* state.
*
* @return false, if the name is not found, otherwise true
* @throws GLException if the program is not linked and no location was cached.
* @see #glEnableVertexAttribArray
* @see #glDisableVertexAttribArray
* @see #glVertexAttribPointer
* @see #getVertexAttribPointer
* @see GLArrayDataEditable#enableBuffer(GL, boolean)
*/
public boolean enableVertexAttribArray(GL2ES2 gl, GLArrayData data) {
if (0 > data.getLocation()) {
getAttribLocation(gl, data);
} else {
// ensure data is the current bound one
activeAttribDataMap.put(data.getName(), data);
}
return enableVertexAttribArray(gl, data.getName(), data.getLocation());
}
/**
* Set the {@link GLArrayData} vertex attribute data.
*
* <p>This method uses the {@link GLArrayData}'s location if set. If data location is unset it
* will be retrieved via {@link #getAttribLocation(GL2ES2, GLArrayData)}, set and cached in this
* state.
*
* @return false, if the location could not be determined, otherwise true
* @throws GLException if no program is attached
* @throws GLException if the program is not linked and no location was cached.
* @see #glEnableVertexAttribArray
* @see #glDisableVertexAttribArray
* @see #glVertexAttribPointer
* @see #getVertexAttribPointer
*/
public boolean vertexAttribPointer(GL2ES2 gl, GLArrayData data) {
int location = data.getLocation();
if (0 > location) {
location = getAttribLocation(gl, data);
}
if (0 <= location) {
// only pass the data, if the attribute exists in the current shader
if (DEBUG) {
System.err.println("ShaderState: glVertexAttribPointer: " + data);
}
gl.glVertexAttribPointer(data);
return true;
}
return false;
}
private final void setAttribute(GL2ES2 gl, GLArrayData attribute) {
// get new location ..
final String name = attribute.getName();
final int loc = attribute.getLocation();
if (0 <= loc) {
bindAttribLocation(gl, loc, name);
if (isVertexAttribArrayEnabled(name)) {
// enable attrib, VBO and pass location/data
gl.glEnableVertexAttribArray(loc);
}
if (attribute.isVBO()) {
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, attribute.getVBOName());
gl.glVertexAttribPointer(attribute);
gl.glBindBuffer(GL.GL_ARRAY_BUFFER, 0);
} else {
gl.glVertexAttribPointer(attribute);
}
}
}
/**
* Disables a vertex attribute array
*
* <p>This method uses the {@link GLArrayData}'s location if set and is the preferred alternative
* to {@link #disableVertexAttribArray(GL2ES2, String)}. If data location is unset it will be
* retrieved via {@link #getAttribLocation(GL2ES2, GLArrayData)} set and cached in this state.
*
* <p>Even if the attribute is not found in the current shader, it is removed from this state
* enabled list.
*
* @return false, if the name is not found, otherwise true
* @throws GLException if no program is attached
* @throws GLException if the program is not linked and no location was cached.
* @see #glEnableVertexAttribArray
* @see #glDisableVertexAttribArray
* @see #glVertexAttribPointer
* @see #getVertexAttribPointer
*/
public boolean disableVertexAttribArray(GL2ES2 gl, GLArrayData data) {
if (0 > data.getLocation()) {
getAttribLocation(gl, data);
}
return disableVertexAttribArray(gl, data.getName(), data.getLocation());
}