Camilla Berglund
ago%!(EXTRA string=13 years)
commit
61d4cf4f39
11 changed files with 406 additions and 150 deletions
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//========================================================================
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// Video mode test
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// Copyright (c) Camilla Berglund <elmindreda@elmindreda.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 enumerates or verifies video modes
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//
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//========================================================================
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#include <GL/glfw3.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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static GLFWwindow window = NULL; |
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enum Mode |
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{ |
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NO_MODE, |
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LIST_MODE, |
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TEST_MODE |
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}; |
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static void usage(void) |
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{ |
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printf("Usage: modes -l\n"); |
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printf(" modes -t\n"); |
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printf(" modes -h\n"); |
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} |
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static void print_mode(GLFWvidmode* mode) |
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{ |
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printf("%i x %i x %i (%i %i %i)", |
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mode->width, mode->height, |
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mode->redBits + mode->greenBits + mode->blueBits, |
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mode->redBits, mode->greenBits, mode->blueBits); |
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} |
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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 window_size_callback(GLFWwindow window, int width, int height) |
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{ |
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printf("Window resized to %ix%i\n", width, height); |
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glViewport(0, 0, width, height); |
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} |
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static int window_close_callback(GLFWwindow dummy) |
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{ |
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window = NULL; |
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return GL_TRUE; |
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} |
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static void list_modes(GLFWvidmode* modes, int count) |
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{ |
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int i; |
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GLFWvidmode mode; |
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glfwGetDesktopMode(&mode); |
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printf("Desktop mode: "); |
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print_mode(&mode); |
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putchar('\n'); |
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for (i = 0; i < count; i++) |
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{ |
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printf("%3i: ", i); |
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print_mode(modes + i); |
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putchar('\n'); |
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} |
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} |
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static void test_modes(GLFWvidmode* modes, int count) |
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{ |
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int i, width, height; |
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glfwSetWindowSizeCallback(window_size_callback); |
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glfwSetWindowCloseCallback(window_close_callback); |
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for (i = 0; i < count; i++) |
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{ |
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glfwOpenWindowHint(GLFW_RED_BITS, modes[i].redBits); |
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glfwOpenWindowHint(GLFW_GREEN_BITS, modes[i].greenBits); |
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glfwOpenWindowHint(GLFW_BLUE_BITS, modes[i].blueBits); |
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printf("Opening "); |
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print_mode(modes + i); |
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printf(" window\n"); |
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window = glfwOpenWindow(modes[i].width, modes[i].height, |
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GLFW_FULLSCREEN, "Video Mode Test", |
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NULL); |
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if (!window) |
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{ |
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printf("Failed to enter mode %i: ", i); |
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print_mode(modes + i); |
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putchar('\n'); |
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continue; |
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} |
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glfwSetTime(0.0); |
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glfwSwapInterval(1); |
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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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glfwSwapBuffers(); |
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glfwPollEvents(); |
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if (!window) |
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{ |
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printf("User terminated program\n"); |
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exit(EXIT_SUCCESS); |
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} |
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} |
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if (glfwGetWindowParam(window, GLFW_RED_BITS) != modes[i].redBits || |
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glfwGetWindowParam(window, GLFW_GREEN_BITS) != modes[i].greenBits || |
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glfwGetWindowParam(window, GLFW_BLUE_BITS) != modes[i].blueBits) |
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{ |
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printf("*** Color bit mismatch: (%i %i %i) instead of (%i %i %i)\n", |
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glfwGetWindowParam(window, GLFW_RED_BITS), |
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glfwGetWindowParam(window, GLFW_GREEN_BITS), |
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glfwGetWindowParam(window, GLFW_BLUE_BITS), |
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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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} |
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glfwGetWindowSize(window, &width, &height); |
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if (width != modes[i].width || height != height) |
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{ |
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printf("*** Size mismatch: %ix%i instead of %ix%i\n", |
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width, height, |
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modes[i].width, modes[i].height); |
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} |
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printf("Closing window\n"); |
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glfwCloseWindow(window); |
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glfwPollEvents(); |
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window = NULL; |
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sleep(5); |
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} |
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} |
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int main(int argc, char** argv) |
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{ |
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int ch, found, count = 0, mode = NO_MODE; |
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GLFWvidmode* modes = NULL; |
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while ((ch = getopt(argc, argv, "lth")) != -1) |
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{ |
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switch (ch) |
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{ |
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case 'h': |
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usage(); |
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exit(EXIT_SUCCESS); |
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case 'l': |
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mode = LIST_MODE; |
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break; |
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case 't': |
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mode = TEST_MODE; |
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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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argc -= optind; |
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argv += optind; |
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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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count += 256; |
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modes = realloc(modes, sizeof(GLFWvidmode) * count); |
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found = glfwGetVideoModes(modes, count); |
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if (found < count) |
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break; |
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} |
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if (mode == LIST_MODE) |
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list_modes(modes, found); |
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else if (mode == TEST_MODE) |
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test_modes(modes, found); |
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free(modes); |
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modes = NULL; |
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exit(EXIT_SUCCESS); |
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} |
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