Add ktx

ktx/tests/loadtests/appfwSDL/main.cpp

@@ -0,0 +1,96 @@
+/* -*- tab-width: 4; -*- */
+/* vi: set sw=2 ts=4 expandtab: */
+
+/* $Id: f63e0a9e6eed51ed84a8eea1eff0708c8a6af22b $ */
+
+/*
+ * Copyright 2015-2020 Mark Callow.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/**
+ * @internal
+ * @file
+ * @~English
+ *
+ * @brief main() function for SDL app framework.
+ */
+
+#include <string>
+#include <vector>
+#include <stdio.h>
+#include "AppBaseSDL.h"
+#include <SDL3/SDL_main.h>
+#include "platform_utils.h"
+#if defined(EMSCRIPTEN)
+#include <emscripten.h>
+#endif
+
+#define SDL_GESTURE_IMPLEMENTATION 1
+#include "SDL_gesture.h"
+
+#if defined(SDL_PLATFORM_IOS)
+  #define NEED_MAIN_LOOP 0
+  //int SDL_iPhoneSetAnimationCallback(
+  //                             SDL_Window * window, int interval,
+  //                             void (*callback)(void*), void *callbackParam
+  //                                  );
+  #define setAnimationCallback(win, cb, userdata) \
+    SDL_SetiOSAnimationCallback(win, 1, cb, userdata)
+#elif defined(EMSCRIPTEN)
+  #define NEED_MAIN_LOOP 0
+  //void emscripten_set_main_loop_arg(em_arg_callback_func func, void *arg,
+  //                                  int fps, int simulate_infinite_loop);
+  #define setAnimationCallback(win, cb, userdata) \
+    emscripten_set_main_loop_arg(cb, userdata, 0, 0)
+#else
+  #define NEED_MAIN_LOOP 1
+  #define setAnimationCallback(win, cb, userdata)
+#endif
+
+static void
+quit() {
+    Gesture_Quit();
+    SDL_Quit();
+}
+
+int
+main(int argc, char* argv[])
+{
+  if (!SDL_Init(SDL_INIT_VIDEO | SDL_INIT_EVENTS)) {
+      fprintf(stderr, "%s: SDL video initialization failed: %s\n",
+              theApp->name(), SDL_GetError());
+      return 1;
+  }
+  Gesture_Init();
+  atexit(quit);
+
+  InitUTF8CLI(argc, argv);
+  AppBaseSDL::Args args(argv, argv+argc);
+
+  if (!theApp->initialize(args))
+    return 1;
+
+  // Catches events before they are added to the event queue.
+  // May need this for some events that need rapid response...
+  // SDL_SetEventFilter(theApp->onEvent, theApp);
+  // Triggered when event added to queue.
+  SDL_AddEventWatch(theApp->onEvent, theApp);
+  if (!NEED_MAIN_LOOP) {
+    // TODO: Fix this main to work for multiple windows. One way is to have the
+    // application call setAnimationCallback and keep a list of the windows in
+    // this file, calling drawFrame for each window.
+    setAnimationCallback(theApp->getMainWindow(), theApp->onDrawFrame, theApp);
+    // iOS version of SDL will not exit when main completes.
+    // The Emscripten version of the app must be compiled with
+    // -s NO_EXIT_RUNTIME=1 to prevent Emscripten exiting when main completes.
+    return 0;
+  } else {
+    for (;;) {
+      SDL_PumpEvents();
+      theApp->drawFrame();
+      // XXX Let app return a sleeptime from drawFrame()? If so
+      // sleep(sleeptime);
+    }
+  }
+}