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public void glVertexAttribPointer(GLArrayData array) {
if(array.getComponentNumber()==0) return;
if(array.isVBO()) {
glVertexAttribPointer(array.getLocation(), array.getComponentNumber(), array.getComponentType(),
array.getNormalized(), array.getStride(), array.getVBOOffset());
} else {
glVertexAttribPointer(array.getLocation(), array.getComponentNumber(), array.getComponentType(),
array.getNormalized(), array.getStride(), array.getBuffer());
}
}
public void glUniform(GLUniformData data) {
boolean done=false;
if(data.isBuffer()) {
Buffer buffer = data.getBuffer();
if(data.isMatrix()) {
if(buffer instanceof FloatBuffer) {
switch(data.columns()) {
case 2: glUniformMatrix2fv(data.getLocation(), data.count(), false, (FloatBuffer)buffer); done=true; break;
case 3: glUniformMatrix3fv(data.getLocation(), data.count(), false, (FloatBuffer)buffer); done=true; break;
case 4: glUniformMatrix4fv(data.getLocation(), data.count(), false, (FloatBuffer)buffer); done=true; break;
}
}
if(!done) {
throw new GLException("glUniformMatrix only available for 2fv, 3fv and 4fv");
}
} else {
if(buffer instanceof IntBuffer) {
switch(data.components()) {
case 1: glUniform1iv(data.getLocation(), data.count(), (IntBuffer)buffer); done=true; break;
case 2: glUniform2iv(data.getLocation(), data.count(), (IntBuffer)buffer); done=true; break;
case 3: glUniform3iv(data.getLocation(), data.count(), (IntBuffer)buffer); done=true; break;
case 4: glUniform4iv(data.getLocation(), data.count(), (IntBuffer)buffer); done=true; break;
}
} else if(buffer instanceof FloatBuffer) {
switch(data.components()) {
case 1: glUniform1fv(data.getLocation(), data.count(), (FloatBuffer)buffer); done=true; break;
case 2: glUniform2fv(data.getLocation(), data.count(), (FloatBuffer)buffer); done=true; break;
case 3: glUniform3fv(data.getLocation(), data.count(), (FloatBuffer)buffer); done=true; break;
case 4: glUniform4fv(data.getLocation(), data.count(), (FloatBuffer)buffer); done=true; break;
}
}
if(!done) {
throw new GLException("glUniform vector only available for 1[if]v 2[if]v, 3[if]v and 4[if]v");
}
}
} else {
Object obj = data.getObject();
if(obj instanceof Integer) {
glUniform1i(data.getLocation(), ((Integer)obj).intValue());
done=true;
} else if (obj instanceof Float) {
glUniform1f(data.getLocation(), ((Float)obj).floatValue());
done=true;
}
if(!done) {
throw new GLException("glUniform atom only available for 1i and 1f");
}
}
}
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