public void setBufferSize(
GLBufferStateTracker bufferStateTracker, int target, GL caller, long size) {
// Need to do some similar queries to getBufferSize below
int buffer = bufferStateTracker.getBoundBufferObject(target, caller);
if (buffer != 0) {
setDirectStateBufferSize(buffer, caller, size);
}
// We don't know the current buffer state. Note that the buffer
// state tracker will have made the appropriate OpenGL query if it
// didn't know what was going on, so at this point we have nothing
// left to do except drop this piece of information on the floor.
}
public long getBufferSize(GLBufferStateTracker bufferStateTracker, int target, GL caller) {
// See whether we know what buffer is currently bound to the given
// state
final int buffer = bufferStateTracker.getBoundBufferObject(target, caller);
if (0 != buffer) {
return getBufferSizeImpl(target, buffer, caller);
}
// We don't know what's going on in this case; query the GL for an answer
// FIXME: both functions return 'int' types, which is not suitable,
// since buffer lenght is 64bit ?
int[] tmp = new int[1];
caller.glGetBufferParameteriv(target, GL.GL_BUFFER_SIZE, tmp, 0);
if (DEBUG) {
System.err.println("GLBufferSizeTracker.getBufferSize(): no cached buffer information");
}
return (long) tmp[0];
}