mpottinger’s gists

mpottinger / Global keyboard hook for OSX

Created August 8, 2022 23:22 — forked from quietcricket/Global keyboard hook for OSX

OSX global keyboard hook. Requires root privileges.

	// alterkeys.c
	// http://osxbook.com
	//
	// Complile using the following command line:
	// gcc -Wall -o alterkeys alterkeys.c -framework ApplicationServices
	//
	// You need superuser privileges to create the event tap, unless accessibility
	// is enabled. To do so, select the "Enable access for assistive devices"
	// checkbox in the Universal Access system preference pane.

mpottinger / ViewController.swift

Created February 22, 2022 15:48 — forked from yusuke024/ViewController.swift

Recording video with AVAssetWriter

	import UIKit

	import AVFoundation

	class ViewController: UIViewController {
	override func viewDidAppear(_ animated: Bool) {
	super.viewDidAppear(animated)

	switch AVCaptureDevice.authorizationStatus(for: .video) {
	case .notDetermined:

mpottinger / setup_opencv_macos.sh

Created February 13, 2022 21:12 — forked from AhiyaHiya/setup_opencv_macos.sh

Download and build OpenCV framework for macOS

	#!/bin/bash

	set -o errexit
	set -o pipefail
	set -o nounset

	setup_opencv()
	{
	printf "*********************************\n${FUNCNAME[0]}\n"
	local readonly PARENT_FOLDER=${1:-third_party}

mpottinger / Makefile

Created December 25, 2021 06:35 — forked from wakita/Makefile

Metal compute shader example

	SDK = xcrun -sdk macosx

	all: compute.metallib compute

	compute.metallib: Compute.metal
	# Metal intermediate representation (.air)
	$(SDK) metal -c -Wall -Wextra -std=osx-metal2.0 -o /tmp/Compute.air $^
	# Metal library (.metallib)
	$(SDK) metallib -o $@ /tmp/Compute.air

mpottinger / turbo_colormap.glsl

Created September 27, 2020 04:46 — forked from mikhailov-work/turbo_colormap.glsl

Turbo Colormap Polynomial Approximation in GLSL

	// Copyright 2019 Google LLC.
	// SPDX-License-Identifier: Apache-2.0

	// Polynomial approximation in GLSL for the Turbo colormap
	// Original LUT: https://gist.github.com/mikhailov-work/ee72ba4191942acecc03fe6da94fc73f

	// Authors:
	// Colormap Design: Anton Mikhailov ([email protected])
	// GLSL Approximation: Ruofei Du ([email protected])

mpottinger / TransformFeedback.java

Created November 22, 2019 23:32 — forked from hpp/TransformFeedback.java

Example of Android implementation of Transform Feedback in OpenGLES 3.0 and glMapBufferRange to read out data.

	import android.opengl.GLES30;
	import android.util.Log;

	import java.nio.Buffer;
	import java.nio.ByteBuffer;
	import java.nio.ByteOrder;
	import java.nio.FloatBuffer;

	/**
	* Created by izzy on 6/24/15. TransformFeedback is a example of how