You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
243 lines
6.8 KiB
243 lines
6.8 KiB
//========================================================================
|
|
// Monitor information tool
|
|
// Copyright (c) Camilla Berglund <elmindreda@glfw.org>
|
|
//
|
|
// This software is provided 'as-is', without any express or implied
|
|
// warranty. In no event will the authors be held liable for any damages
|
|
// arising from the use of this software.
|
|
//
|
|
// Permission is granted to anyone to use this software for any purpose,
|
|
// including commercial applications, and to alter it and redistribute it
|
|
// freely, subject to the following restrictions:
|
|
//
|
|
// 1. The origin of this software must not be misrepresented; you must not
|
|
// claim that you wrote the original software. If you use this software
|
|
// in a product, an acknowledgment in the product documentation would
|
|
// be appreciated but is not required.
|
|
//
|
|
// 2. Altered source versions must be plainly marked as such, and must not
|
|
// be misrepresented as being the original software.
|
|
//
|
|
// 3. This notice may not be removed or altered from any source
|
|
// distribution.
|
|
//
|
|
//========================================================================
|
|
//
|
|
// This test prints monitor and video mode information or verifies video
|
|
// modes
|
|
//
|
|
//========================================================================
|
|
|
|
#include <glad/glad.h>
|
|
#include <GLFW/glfw3.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "getopt.h"
|
|
|
|
enum Mode
|
|
{
|
|
LIST_MODE,
|
|
TEST_MODE
|
|
};
|
|
|
|
static void usage(void)
|
|
{
|
|
printf("Usage: monitors [-t]\n");
|
|
printf(" monitors -h\n");
|
|
}
|
|
|
|
static const char* format_mode(const GLFWvidmode* mode)
|
|
{
|
|
static char buffer[512];
|
|
|
|
sprintf(buffer,
|
|
"%i x %i x %i (%i %i %i) %i Hz",
|
|
mode->width, mode->height,
|
|
mode->redBits + mode->greenBits + mode->blueBits,
|
|
mode->redBits, mode->greenBits, mode->blueBits,
|
|
mode->refreshRate);
|
|
|
|
buffer[sizeof(buffer) - 1] = '\0';
|
|
return buffer;
|
|
}
|
|
|
|
static void error_callback(int error, const char* description)
|
|
{
|
|
fprintf(stderr, "Error: %s\n", description);
|
|
}
|
|
|
|
static void framebuffer_size_callback(GLFWwindow* window, int width, int height)
|
|
{
|
|
printf("Framebuffer resized to %ix%i\n", width, height);
|
|
|
|
glViewport(0, 0, width, height);
|
|
}
|
|
|
|
static void key_callback(GLFWwindow* window, int key, int scancode, int action, int mods)
|
|
{
|
|
if (key == GLFW_KEY_ESCAPE)
|
|
glfwSetWindowShouldClose(window, GLFW_TRUE);
|
|
}
|
|
|
|
static void list_modes(GLFWmonitor* monitor)
|
|
{
|
|
int count, x, y, widthMM, heightMM, i;
|
|
const GLFWvidmode* mode = glfwGetVideoMode(monitor);
|
|
const GLFWvidmode* modes = glfwGetVideoModes(monitor, &count);
|
|
|
|
glfwGetMonitorPos(monitor, &x, &y);
|
|
glfwGetMonitorPhysicalSize(monitor, &widthMM, &heightMM);
|
|
|
|
printf("Name: %s (%s)\n",
|
|
glfwGetMonitorName(monitor),
|
|
glfwGetPrimaryMonitor() == monitor ? "primary" : "secondary");
|
|
printf("Current mode: %s\n", format_mode(mode));
|
|
printf("Virtual position: %i %i\n", x, y);
|
|
|
|
printf("Physical size: %i x %i mm (%0.2f dpi)\n",
|
|
widthMM, heightMM, mode->width * 25.4f / widthMM);
|
|
|
|
printf("Modes:\n");
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
printf("%3u: %s", (unsigned int) i, format_mode(modes + i));
|
|
|
|
if (memcmp(mode, modes + i, sizeof(GLFWvidmode)) == 0)
|
|
printf(" (current mode)");
|
|
|
|
putchar('\n');
|
|
}
|
|
}
|
|
|
|
static void test_modes(GLFWmonitor* monitor)
|
|
{
|
|
int i, count;
|
|
GLFWwindow* window;
|
|
const GLFWvidmode* modes = glfwGetVideoModes(monitor, &count);
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
const GLFWvidmode* mode = modes + i;
|
|
GLFWvidmode current;
|
|
|
|
glfwWindowHint(GLFW_RED_BITS, mode->redBits);
|
|
glfwWindowHint(GLFW_GREEN_BITS, mode->greenBits);
|
|
glfwWindowHint(GLFW_BLUE_BITS, mode->blueBits);
|
|
glfwWindowHint(GLFW_REFRESH_RATE, mode->refreshRate);
|
|
|
|
printf("Testing mode %u on monitor %s: %s\n",
|
|
(unsigned int) i,
|
|
glfwGetMonitorName(monitor),
|
|
format_mode(mode));
|
|
|
|
window = glfwCreateWindow(mode->width, mode->height,
|
|
"Video Mode Test",
|
|
glfwGetPrimaryMonitor(),
|
|
NULL);
|
|
if (!window)
|
|
{
|
|
printf("Failed to enter mode %u: %s\n",
|
|
(unsigned int) i,
|
|
format_mode(mode));
|
|
continue;
|
|
}
|
|
|
|
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
|
|
glfwSetKeyCallback(window, key_callback);
|
|
|
|
glfwMakeContextCurrent(window);
|
|
gladLoadGLLoader((GLADloadproc) glfwGetProcAddress);
|
|
glfwSwapInterval(1);
|
|
|
|
glfwSetTime(0.0);
|
|
|
|
while (glfwGetTime() < 5.0)
|
|
{
|
|
glClear(GL_COLOR_BUFFER_BIT);
|
|
glfwSwapBuffers(window);
|
|
glfwPollEvents();
|
|
|
|
if (glfwWindowShouldClose(window))
|
|
{
|
|
printf("User terminated program\n");
|
|
|
|
glfwTerminate();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
}
|
|
|
|
glGetIntegerv(GL_RED_BITS, ¤t.redBits);
|
|
glGetIntegerv(GL_GREEN_BITS, ¤t.greenBits);
|
|
glGetIntegerv(GL_BLUE_BITS, ¤t.blueBits);
|
|
|
|
glfwGetWindowSize(window, ¤t.width, ¤t.height);
|
|
|
|
if (current.redBits != mode->redBits ||
|
|
current.greenBits != mode->greenBits ||
|
|
current.blueBits != mode->blueBits)
|
|
{
|
|
printf("*** Color bit mismatch: (%i %i %i) instead of (%i %i %i)\n",
|
|
current.redBits, current.greenBits, current.blueBits,
|
|
mode->redBits, mode->greenBits, mode->blueBits);
|
|
}
|
|
|
|
if (current.width != mode->width || current.height != mode->height)
|
|
{
|
|
printf("*** Size mismatch: %ix%i instead of %ix%i\n",
|
|
current.width, current.height,
|
|
mode->width, mode->height);
|
|
}
|
|
|
|
printf("Closing window\n");
|
|
|
|
glfwDestroyWindow(window);
|
|
window = NULL;
|
|
|
|
glfwPollEvents();
|
|
}
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int ch, i, count, mode = LIST_MODE;
|
|
GLFWmonitor** monitors;
|
|
|
|
while ((ch = getopt(argc, argv, "th")) != -1)
|
|
{
|
|
switch (ch)
|
|
{
|
|
case 'h':
|
|
usage();
|
|
exit(EXIT_SUCCESS);
|
|
case 't':
|
|
mode = TEST_MODE;
|
|
break;
|
|
default:
|
|
usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
glfwSetErrorCallback(error_callback);
|
|
|
|
if (!glfwInit())
|
|
exit(EXIT_FAILURE);
|
|
|
|
monitors = glfwGetMonitors(&count);
|
|
|
|
for (i = 0; i < count; i++)
|
|
{
|
|
if (mode == LIST_MODE)
|
|
list_modes(monitors[i]);
|
|
else if (mode == TEST_MODE)
|
|
test_modes(monitors[i]);
|
|
}
|
|
|
|
glfwTerminate();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|