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192 строки
5.0 KiB
192 строки
5.0 KiB
//========================================================================
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// Window re-opener (open/close stress test)
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// Copyright (c) Camilla Berglund <elmindreda@glfw.org>
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//
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// This software is provided 'as-is', without any express or implied
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// warranty. In no event will the authors be held liable for any damages
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// arising from the use of this software.
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//
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// Permission is granted to anyone to use this software for any purpose,
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// including commercial applications, and to alter it and redistribute it
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// freely, subject to the following restrictions:
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//
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// 1. The origin of this software must not be misrepresented; you must not
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// claim that you wrote the original software. If you use this software
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// in a product, an acknowledgment in the product documentation would
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// be appreciated but is not required.
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//
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// 2. Altered source versions must be plainly marked as such, and must not
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// be misrepresented as being the original software.
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//
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// 3. This notice may not be removed or altered from any source
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// distribution.
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//
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//========================================================================
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//
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// This test came about as the result of bug #1262773
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//
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// It closes and re-opens the GLFW window every five seconds, alternating
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// between windowed and full screen mode
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//
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// It also times and logs opening and closing actions and attempts to separate
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// user initiated window closing from its own
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//
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//========================================================================
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#include <glad/glad.h>
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#include <GLFW/glfw3.h>
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#include <time.h>
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#include <stdio.h>
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#include <stdlib.h>
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static void error_callback(int error, const char* description)
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{
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fprintf(stderr, "Error: %s\n", description);
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}
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static void framebuffer_size_callback(GLFWwindow* window, int width, int height)
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{
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glViewport(0, 0, width, height);
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}
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static void window_close_callback(GLFWwindow* window)
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{
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printf("Close callback triggered\n");
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}
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static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
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{
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if (action != GLFW_PRESS)
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return;
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switch (key)
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{
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case GLFW_KEY_Q:
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case GLFW_KEY_ESCAPE:
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glfwSetWindowShouldClose(window, GLFW_TRUE);
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break;
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}
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}
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static GLFWwindow* open_window(int width, int height, GLFWmonitor* monitor)
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{
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double base;
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GLFWwindow* window;
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base = glfwGetTime();
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window = glfwCreateWindow(width, height, "Window Re-opener", monitor, NULL);
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if (!window)
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return NULL;
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glfwMakeContextCurrent(window);
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gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
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glfwSwapInterval(1);
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glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
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glfwSetWindowCloseCallback(window, window_close_callback);
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glfwSetKeyCallback(window, key_callback);
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if (monitor)
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{
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printf("Opening full screen window on monitor %s took %0.3f seconds\n",
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glfwGetMonitorName(monitor),
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glfwGetTime() - base);
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}
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else
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{
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printf("Opening regular window took %0.3f seconds\n",
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glfwGetTime() - base);
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}
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return window;
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}
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static void close_window(GLFWwindow* window)
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{
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double base = glfwGetTime();
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glfwDestroyWindow(window);
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printf("Closing window took %0.3f seconds\n", glfwGetTime() - base);
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}
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int main(int argc, char** argv)
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{
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int count = 0;
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GLFWwindow* window;
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srand((unsigned int) time(NULL));
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glfwSetErrorCallback(error_callback);
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if (!glfwInit())
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exit(EXIT_FAILURE);
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for (;;)
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{
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int width, height;
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GLFWmonitor* monitor = NULL;
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if (count % 2 == 0)
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{
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int monitorCount;
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GLFWmonitor** monitors = glfwGetMonitors(&monitorCount);
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monitor = monitors[rand() % monitorCount];
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}
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if (monitor)
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{
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const GLFWvidmode* mode = glfwGetVideoMode(monitor);
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width = mode->width;
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height = mode->height;
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}
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else
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{
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width = 640;
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height = 480;
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}
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window = open_window(width, height, monitor);
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if (!window)
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{
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glMatrixMode(GL_PROJECTION);
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glOrtho(-1.f, 1.f, -1.f, 1.f, 1.f, -1.f);
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glMatrixMode(GL_MODELVIEW);
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glfwSetTime(0.0);
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while (glfwGetTime() < 5.0)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glPushMatrix();
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glRotatef((GLfloat) glfwGetTime() * 100.f, 0.f, 0.f, 1.f);
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glRectf(-0.5f, -0.5f, 1.f, 1.f);
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glPopMatrix();
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glfwSwapBuffers(window);
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glfwPollEvents();
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if (glfwWindowShouldClose(window))
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{
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close_window(window);
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printf("User closed window\n");
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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}
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printf("Closing window\n");
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close_window(window);
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count++;
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}
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glfwTerminate();
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}
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