jak-project/third-party/SDL/test/testdisplayinfo.c
Tyler Wilding ecd6091d7f
deps: SDL update to 2.30.0 (#3384)
In the hopes that some things have been fixed in the last year
(GAME_CONTROLLER init time, etc)

Make sure this does not regress #2691
2024-03-05 22:12:13 -05:00

97 lines
2.9 KiB
C
Vendored
Generated

/*
Copyright (C) 1997-2024 Sam Lantinga <slouken@libsdl.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.
*/
/* Program to test querying of display info */
#include "SDL.h"
#include <stdio.h>
#include <stdlib.h>
static void
print_mode(const char *prefix, const SDL_DisplayMode *mode)
{
if (!mode) {
return;
}
SDL_Log("%s: fmt=%s w=%d h=%d refresh=%d\n",
prefix, SDL_GetPixelFormatName(mode->format),
mode->w, mode->h, mode->refresh_rate);
}
int main(int argc, char *argv[])
{
SDL_DisplayMode mode;
int num_displays, dpy;
/* Enable standard application logging */
SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO);
/* Load the SDL library */
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s\n", SDL_GetError());
return 1;
}
SDL_Log("Using video target '%s'.\n", SDL_GetCurrentVideoDriver());
num_displays = SDL_GetNumVideoDisplays();
SDL_Log("See %d displays.\n", num_displays);
for (dpy = 0; dpy < num_displays; dpy++) {
const int num_modes = SDL_GetNumDisplayModes(dpy);
SDL_Rect rect = { 0, 0, 0, 0 };
float ddpi, hdpi, vdpi;
int m;
SDL_GetDisplayBounds(dpy, &rect);
SDL_Log("%d: \"%s\" (%dx%d, (%d, %d)), %d modes.\n", dpy, SDL_GetDisplayName(dpy), rect.w, rect.h, rect.x, rect.y, num_modes);
if (SDL_GetDisplayDPI(dpy, &ddpi, &hdpi, &vdpi) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DPI: failed to query (%s)\n", SDL_GetError());
} else {
SDL_Log(" DPI: ddpi=%f; hdpi=%f; vdpi=%f\n", ddpi, hdpi, vdpi);
}
if (SDL_GetCurrentDisplayMode(dpy, &mode) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " CURRENT: failed to query (%s)\n", SDL_GetError());
} else {
print_mode("CURRENT", &mode);
}
if (SDL_GetDesktopDisplayMode(dpy, &mode) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DESKTOP: failed to query (%s)\n", SDL_GetError());
} else {
print_mode("DESKTOP", &mode);
}
for (m = 0; m < num_modes; m++) {
if (SDL_GetDisplayMode(dpy, m, &mode) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " MODE %d: failed to query (%s)\n", m, SDL_GetError());
} else {
char prefix[64];
(void)SDL_snprintf(prefix, sizeof(prefix), " MODE %d", m);
print_mode(prefix, &mode);
}
}
SDL_Log("\n");
}
SDL_Quit();
return 0;
}
/* vi: set ts=4 sw=4 expandtab: */