init commit

main.c

@@ -0,0 +1,76 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#define IMGL3W_IMPL
+#include "opengl3_loader.h"
+#define GLFW_INCLUDE_NONE
+#include <GLFW/glfw3.h>
+#if defined(__SWITCH__)
+#include <switch.h>
+
+extern "C" void userAppInit()
+{
+  socketInitializeDefault();
+  nxlinkStdio();
+  appletSetWirelessPriorityMode(AppletWirelessPriorityMode_OptimizedForWlan);
+  plInitialize(PlServiceType_User);
+}
+
+extern "C" void userAppExit()
+{
+  plExit();
+  socketExit();
+}
+#endif
+
+static void die(const char *msg)
+{
+  fprintf(stderr, "%s\n", msg);
+  exit(1);
+}
+
+static void glfwKeyCallback(GLFWwindow *window, int key, int scancode, int action, int mods)
+{
+  if (action == GLFW_PRESS)
+    printf("glfwKeyCallback %d scancode %d\n", key, scancode);
+}
+
+// Main code
+int main(int argc, char *argv[])
+{
+  if (!glfwInit())
+    die("init glfw failed");
+
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
+  glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 2);
+  glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
+
+  // Create window with graphics context
+  GLFWwindow *window = glfwCreateWindow(800, 450, "GLTEXT", NULL, NULL);
+  if (!window)
+  {
+    glfwTerminate();
+    return -1;
+  }
+  glfwMakeContextCurrent(window);
+  imgl3wInit2(glfwGetProcAddress);
+  glfwSwapInterval(1);
+  glfwSetTime(0);
+  glfwSetKeyCallback(window, glfwKeyCallback);
+
+  int fbw = 0, fbh = 0;
+  // Main loop
+  while (!glfwWindowShouldClose(window))
+  {
+    glfwGetFramebufferSize(window, &fbw, &fbh);
+    glViewport(0, 0, fbw, fbh);
+
+    glfwSwapBuffers(window);
+    glfwWaitEvents();
+  }
+
+  glfwDestroyWindow(window);
+  glfwTerminate();
+
+  return 0;
+}