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;
}
/**
* Set the uniform data.
*
* <p>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.
* @return 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 javax.media.opengl.GL2ES2#glUniform
* @see #getUniformLocation
* @see ShaderProgram#glReplaceShader
*/
public boolean uniform(GL2ES2 gl, GLUniformData data) {
if (!shaderProgram.inUse()) throw new GLException("Program is not in use");
int location = data.getLocation();
if (0 > location) {
location = getUniformLocation(gl, data);
}
if (0 <= location) {
// only pass the data, if the uniform exists in the current shader
if (DEBUG) {
System.err.println("ShaderState: glUniform: " + data);
}
gl.glUniform(data);
}
return true;
}
