DavidLudwig

REM AST generation from MSVC 
cl /analyze /d1Aprintast %1 > %1.ast

DavidLudwig

constexpr bool constexpr_strequal(const char * a, const char * b)
{
    // Assume that NULL != NULL
    if (!a || !b) {
        return false;
    }

    // If pointers are equal, values are equal
    if (a == b) {
        return true;

DavidLudwig

#include <QtWidgets>

static uchar pixel_buffer[512 * 512 * 4];

class MyWidget : public QWidget {
    Q_OBJECT

private:
    QImage * _image = nullptr;

DavidLudwig

//
// Compile with: em++ test-threads.cpp -o test-threads.html -s USE_PTHREADS=1 -s PTHREAD_POOL_SIZE=2 -s USE_SDL=2
//
// Expected behavior: program starts with a black screen, smoothly fades it to
// green, then resets (show black screen, fades-in green, rinse and repeat).
//

#include <stdlib.h>
#include <stdio.h>
#include <pthread.h>

DavidLudwig

/*

    A proposal to reduce io2d's namespace, by combining 'basic_FOO' and 'FOO' typenames, to 'FOO'

    Author: David Ludwig <dludwig@pobox.com>
    Version: 1

DavidLudwig

include(vcpkg_common_functions)
vcpkg_from_github(
    OUT_SOURCE_PATH SOURCE_PATH
    REPO cpp-io2d/P0267_RefImpl
    REF 51fb21aaf4d2d4ef96d6e13ce3a2880a024a3058
    SHA512 6080e7ebd6de186801ab9ca5da01c4ed08c5b58de611e8f8323d449794a91a30897a746761f86de7f0f2786eac46bbcb69afd0d542736be1e9c5385853636ba7
    HEAD_REF master
)
file(INSTALL ${SOURCE_PATH}/P0267_RefImpl/P0267_RefImpl DESTINATION ${CURRENT_PACKAGES_DIR}/include)

DavidLudwig

#include <io2d.h>
#include <mutex>

using namespace std;
using namespace std::experimental;
using namespace std::experimental::io2d;

static output_surface & display() {
    static auto surface = output_surface{500, 500, format::argb32, scaling::none, refresh_style::fixed, 30.f};
    return surface;

DavidLudwig

//
// ShowBitmap_Mac68k.cpp
// by David Ludwig <dludwig@pobox.com>
//
// Shows a 1-bit, XBM bitmap on an emulated (via pce-macplus) 4 MB Mac Plus.
//

// Compiled with g++ flags:
//  -Os -o romtest.o -fno-builtin -m68000 -nostdlib -mpcrel -Xlinker --oformat=binary

DavidLudwig

# -*- mode: ruby -*-
# vi: set ft=ruby :

Vagrant.configure("2") do |config|
  config.vm.box = "fedora/26-cloud-base"
  config.vm.box_version = "20170705"

  config.vm.provider "virtualbox" do |vb|
    # Display the VirtualBox GUI when booting the machine
    vb.gui = true

DavidLudwig

void DrawTestPattern_OpenGL1(float w, float h)
{
    glCullFace(GL_FRONT_AND_BACK);
    glBegin(GL_TRIANGLES);
        glColor3f(1, 0, 0); // top-left
        glVertex2f(-w,  h); // triangle 1
        glVertex2f(-w,  0);
        glVertex2f( 0,  0);
        glVertex2f( 0,  0); // triangle 2
        glVertex2f( 0,  h);