Free a block, or add it to the pool if there's room

Return the OpenGL object identifier.

Return index of button if position x,y is contained therein.

Return pass by index or null if not found.

Return unique id within the scene, or 0 if not in a scene.

Test whether a point is inside.

Test if a bounding box is inside, using a mask to skip unnecessary planes.

Return whether is static.

Return whether is temporary.

Returns item matching given SDL device index.

This determines the size of the fb, which comes from the GBM surface that we create here. */

Update chains up to ip (excluded) */

LZ4HC_countBack() : * @return : negative value, nb of common bytes before ip/match */

LZ4HC_countPattern() : * pattern32 must be a sample of repetitive pattern of length 1, 2 or 4 (but not 3!) */

LZ4HC_protectDictEnd() : * Checks if the match is in the last 3 bytes of the dictionary, so reading the * 4 byte MINMATCH would overflow. * @return

requires mlen >= MINMATCH */

-************************************ * Common functions **************************************/

resetStream is now deprecated, * prefer initStream() which is more general */

Return last frame number when was reinserted to octree (moved or animated.) The frames are counted by Renderer internally and have no significance out

Mark culling boxes dirty in the parent hierarchy.

Return number of immediate child nodes.

Set animation order dirty when animation state changes layer order and queue octree reinsertion. Note: bounding box will only be dirtied once animatio

Pop up an out of memory message, returns to Windows

Pop up an out of memory message, returns to Windows

Return the scene that the node belongs to.