@Override
public void draw(final JCGLPrimitives p, final int first, final int count) throws JCGLException {
NullCheck.notNull(p);
RangeCheck.checkIncludedInInteger(first, "First", Ranges.NATURAL_INTEGER, "Valid index");
RangeCheck.checkIncludedInInteger(count, "Count", Ranges.NATURAL_INTEGER, "Valid counts");
this.g3.glDrawArrays(JOGLTypeConversions.primitiveToGL(p), first, count);
}
@Override
public void drawElementsInstanced(final JCGLPrimitives p, final int instances)
throws JCGLException, JCGLExceptionBufferNotBound {
NullCheck.notNull(p);
RangeCheck.checkIncludedInInteger(
instances, "Instances", Ranges.NATURAL_INTEGER, "Valid instances");
if (this.index_buffers.indexBufferIsBound()) {
final JOGLIndexBuffer ib = this.array_objects.getCurrentIndexBuffer();
final int pgl = JOGLTypeConversions.primitiveToGL(p);
final int type = JOGLTypeConversions.unsignedTypeToGL(ib.getType());
this.g3.glDrawElementsInstanced(pgl, (int) ib.getIndices(), type, 0L, instances);
} else {
throw new JCGLExceptionBufferNotBound("No index buffer is currently bound");
}
}