this is a special function used inside malloc wrapper to do allocations that aren't tracked (to avoid reentrancy). Of course if someone _else_ wraps r

delete characters while updating undo

randomly choose a tile that fits constraints for a given spot, and update the constraints

clean up the temporary component buffers

combined JPEG 'receive' and JPEG 'extend', since baseline always extends everything it receives.

returns 0..31 for the highest set bit

mallocs with size overflow checking

extract an arbitrarily-aligned N-bit value (N=bits) from v, and then make it 8-bits long and fractionally extend it to full full range.

returns STBI_rgb or whatever, 0 on error

This is the maximum number of input samples that can affect an output sample with the given filter

compute the result of pasting into a tile non-destructively so we can preview it

stb_obj dictionary is just an stb_idict

This function is not protected by any mutex because it just reads immutable data. */

Utility function for determine whether a resource access requires a pipeline barrier. Returns true if a resource is transitioning from one of the foll