110 lines
3.2 KiB
C
110 lines
3.2 KiB
C
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//========================================================================
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// Simple multi-window example
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// Copyright (c) Camilla Löwy <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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#include <glad/gl.h>
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#define GLFW_INCLUDE_NONE
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#include <GLFW/glfw3.h>
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#include <stdio.h>
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#include <stdlib.h>
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int main(int argc, char** argv)
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{
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int xpos, ypos, height;
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const char* description;
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GLFWwindow* windows[4];
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if (!glfwInit())
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{
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glfwGetError(&description);
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printf("Error: %s\n", description);
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exit(EXIT_FAILURE);
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}
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glfwWindowHint(GLFW_VISIBLE, GLFW_FALSE);
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glfwWindowHint(GLFW_DECORATED, GLFW_FALSE);
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glfwGetMonitorWorkarea(glfwGetPrimaryMonitor(), &xpos, &ypos, NULL, &height);
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for (int i = 0; i < 4; i++)
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{
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const int size = height / 5;
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const struct
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{
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float r, g, b;
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} colors[] =
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{
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{ 0.95f, 0.32f, 0.11f },
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{ 0.50f, 0.80f, 0.16f },
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{ 0.f, 0.68f, 0.94f },
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{ 0.98f, 0.74f, 0.04f }
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};
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if (i > 0)
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glfwWindowHint(GLFW_FOCUS_ON_SHOW, GLFW_FALSE);
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windows[i] = glfwCreateWindow(size, size, "Multi-Window Example", NULL, NULL);
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if (!windows[i])
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{
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glfwGetError(&description);
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printf("Error: %s\n", description);
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glfwSetWindowPos(windows[i],
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xpos + size * (1 + (i & 1)),
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ypos + size * (1 + (i >> 1)));
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glfwSetInputMode(windows[i], GLFW_STICKY_KEYS, GLFW_TRUE);
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glfwMakeContextCurrent(windows[i]);
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gladLoadGL(glfwGetProcAddress);
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glClearColor(colors[i].r, colors[i].g, colors[i].b, 1.f);
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}
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for (int i = 0; i < 4; i++)
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glfwShowWindow(windows[i]);
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for (;;)
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{
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for (int i = 0; i < 4; i++)
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{
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glfwMakeContextCurrent(windows[i]);
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(windows[i]);
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if (glfwWindowShouldClose(windows[i]) ||
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glfwGetKey(windows[i], GLFW_KEY_ESCAPE))
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{
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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}
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glfwWaitEvents();
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}
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}
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