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https://github.com/glfw/glfw.git
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Add 'Graphics' options test
This commit is contained in:
Eden Salomon
parent
390994c3ec
commit
f5880769fe
@ -47,10 +47,13 @@ set_target_properties(title PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Title")
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add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GLAD})
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add_executable(windows WIN32 MACOSX_BUNDLE windows.c ${GLAD})
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set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
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set_target_properties(windows PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Windows")
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add_executable(options MACOSX_BUNDLE options.c ${GETOPT} ${GLAD})
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set_target_properties(options PROPERTIES MACOSX_BUNDLE_BUNDLE_NAME "Options")
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target_link_libraries(empty "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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target_link_libraries(empty "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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target_link_libraries(threads "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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target_link_libraries(threads "${CMAKE_THREAD_LIBS_INIT}" "${RT_LIBRARY}")
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set(WINDOWS_BINARIES empty sharing tearing threads title windows)
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set(WINDOWS_BINARIES empty sharing tearing threads title windows options)
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set(CONSOLE_BINARIES clipboard events msaa gamma glfwinfo
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set(CONSOLE_BINARIES clipboard events msaa gamma glfwinfo
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iconify joysticks monitors reopen cursor)
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iconify joysticks monitors reopen cursor)
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289
tests/options.c
Normal file
289
tests/options.c
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@ -0,0 +1,289 @@
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//========================================================================
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// Simple 'Graphics' options test
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// Copyright (C) 2015 Eden Salomon <Niko113355@gmail.com>
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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 creates a window with the ability to change during runtime
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// the window options typically seen in the 'Graphics' section of games.
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// This includes resolution, refresh rate, and fullscreen / windowed mode.
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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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#define GLFW_EXPOSE_NATIVE_WIN32
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#define GLFW_EXPOSE_NATIVE_WGL
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#include <GLFW/glfw3native.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "getopt.h"
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typedef struct _WindowState
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{
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SIZE* dimenstions;
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int size;
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int count;
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int current;
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} WindowState;
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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 list_resolutions(GLFWwindow* window)
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{
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GLFWmonitor* monitor;
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int count;
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const GLFWvidmode* modes;
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monitor = glfwGetWindowMonitor(window);
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modes = glfwGetVideoModes(monitor ? monitor : glfwGetPrimaryMonitor(), &count);
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printf("List of supported resolutions:\n");
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printf(" +----+------------------------+----+\n");
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printf(" | | resolution | color | |\n");
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printf(" | id | width height | r g b | rf |\n");
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printf(" +----+------------------------+----+\n");
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for (int i = 0; i < count; ++i) {
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printf(" | %2d | %5d %6d | %d %d %d | %2d |\n",
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i + 1,
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modes[i].width, modes[i].height,
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modes[i].redBits,
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modes[i].greenBits,
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modes[i].blueBits,
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modes[i].refreshRate);
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}
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printf(" +----+------------------------+----+\n\n");
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}
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static void setVideoMode(GLFWwindow* window, WindowState* state, int index)
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{
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GLFWmonitor* monitor;
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const GLFWvidmode* mode;
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int width, height;
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state->current = (index + state->count) % state->count;
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width = state->dimenstions[state->current].cx;
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height = state->dimenstions[state->current].cy;
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glfwSetWindowSize(window, width, height);
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monitor = glfwGetWindowMonitor(window);
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mode = glfwGetVideoMode(monitor);
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printf("Changed resolution to %dx%d [%d].\n", width, height, mode->refreshRate);
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}
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static void controls()
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{
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printf("When the window is in focus, use the following keys to control the various options:\n");
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printf(" Esc Exit the application\n");
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printf(" h display this help\n");
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printf(" f toggle fullscreen / window mode\n");
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printf(" r toggle between different refresh rates\n");
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printf(" l list all supported resolutions\n");
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printf(" d, -> next resolution\n");
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printf(" a, <- previous resolution\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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WindowState* state = (WindowState*) glfwGetWindowUserPointer(window);
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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_H:
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controls();
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break;
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case GLFW_KEY_L:
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list_resolutions(window);
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break;
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case GLFW_KEY_F:
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glfwToggleWindowFullscreen(window);
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break;
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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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case GLFW_KEY_A:
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setVideoMode(window, state, state->current - 1);
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break;
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case GLFW_KEY_D:
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setVideoMode(window, state, state->current + 1);
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break;
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case GLFW_KEY_R:
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// TODO: toggle refresh rate on current resolution
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// as of now the highest value is used due to
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// GLFW_REFRESH_RATE being set to GLFW_DONT_CARE
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break;
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}
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}
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static void usage()
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{
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printf("Usage: oprions [OPTION]...\n");
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printf("Options:\n");
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printf(" -h, --help show this help\n");
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printf(" -l, --list-resolutions list all resolutions supported by the primary monitor\n");
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printf(" --width=640 specify the width of the window in pixels\n");
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printf(" --height=480 specify the height of the window in pixels\n");
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printf(" -r, --refresh-rate=RATE specify the refresh rate of the window in Hz\n");
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}
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int main(int argc, char** argv)
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{
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int ch;
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int width = 640;
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int height = 480;
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int list = GLFW_FALSE;
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int fullscreen = GLFW_FALSE;
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int running = GLFW_TRUE;
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GLFWwindow* window;
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GLFWmonitor* monitor;
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WindowState state = { NULL, 0, 0, 0 };
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int i, j, count;
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const GLFWvidmode* modes;
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enum { HELP, RESOLUTIONS, WIDTH, HIEGHT, REFRESH, FULLSCREEN };
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const struct option options[] =
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{
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{ "help", 0, NULL, HELP },
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{ "list-resolutions", 0, NULL, RESOLUTIONS },
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{ "width", 1, NULL, WIDTH },
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{ "height", 1, NULL, HIEGHT },
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{ "refresh-rate", 1, NULL, REFRESH },
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{ "fullscreen", 0, NULL, FULLSCREEN },
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{ NULL, 0, NULL, 0 }
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};
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glfwSetErrorCallback(error_callback);
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if (!glfwInit())
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exit(EXIT_FAILURE);
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while ((ch = getopt_long(argc, argv, "hlr:f", options, NULL)) != -1) {
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switch (ch) {
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case 'h':
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case HELP:
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usage();
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exit(EXIT_SUCCESS);
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case 'l':
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case RESOLUTIONS:
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list = GLFW_TRUE;
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break;
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case WIDTH:
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width = atoi(optarg);
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break;
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case HIEGHT:
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height = atoi(optarg);
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break;
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case 'r':
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case REFRESH:
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glfwWindowHint(GLFW_REFRESH_RATE, atoi(optarg));
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break;
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case 'f':
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case FULLSCREEN:
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glfwWindowHint(GLFW_FULLSCREEN, GLFW_TRUE);
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break;
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default:
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usage();
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exit(EXIT_FAILURE);
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}
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}
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monitor = glfwGetPrimaryMonitor();
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window = glfwCreateWindow(width, height, "Graphics Options", (fullscreen ? monitor : NULL), NULL);
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modes = glfwGetVideoModes(monitor ? monitor : glfwGetPrimaryMonitor(), &count);
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for (i = 0; i < count; ++i) {
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SIZE size;
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size.cx = modes[i].width;
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size.cy = modes[i].height;
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for (j = 0; j < state.count; ++j) {
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if (state.dimenstions[j].cx == size.cx &&
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state.dimenstions[j].cy == size.cy)
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break;
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}
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if (j < state.count)
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continue;
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if (state.count == state.size)
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{
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if (state.count)
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state.size *= 2;
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else
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state.size = 128;
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state.dimenstions = (SIZE*) realloc(state.dimenstions, state.size * sizeof(SIZE));
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}
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state.count++;
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state.dimenstions[state.count - 1] = size;
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}
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glfwSetWindowUserPointer(window, &state);
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if (!window) {
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glfwSetKeyCallback(window, key_callback);
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glfwMakeContextCurrent(window);
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gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
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glClearColor(1.0f, 1.0f, 1.0f, 1.0f);
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if (list)
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list_resolutions(window);
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controls();
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while (running)
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{
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glClear(GL_COLOR_BUFFER_BIT);
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glfwSwapBuffers(window);
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if (glfwWindowShouldClose(window))
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running = GLFW_FALSE;
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glfwPollEvents();
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}
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free(state.dimenstions);
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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10
tests/options.txt
Normal file
10
tests/options.txt
Normal file
@ -0,0 +1,10 @@
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TODO:
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- Change Resulution
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- Refresh Rate
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- Fullscreen / Window
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all in runtime
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new state variables
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Enter fullscreen mode:
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Block a user