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Diffstat (limited to 'src/contrib/SDL-3.2.20/test/testdisplayinfo.c')
-rw-r--r--src/contrib/SDL-3.2.20/test/testdisplayinfo.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/contrib/SDL-3.2.20/test/testdisplayinfo.c b/src/contrib/SDL-3.2.20/test/testdisplayinfo.c
new file mode 100644
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+++ b/src/contrib/SDL-3.2.20/test/testdisplayinfo.c
@@ -0,0 +1,103 @@
1/*
2 Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
3
4 This software is provided 'as-is', without any express or implied
5 warranty. In no event will the authors be held liable for any damages
6 arising from the use of this software.
7
8 Permission is granted to anyone to use this software for any purpose,
9 including commercial applications, and to alter it and redistribute it
10 freely.
11*/
12
13/* Program to test querying of display info */
14
15#include <stdlib.h>
16
17#include <SDL3/SDL.h>
18#include <SDL3/SDL_main.h>
19#include <SDL3/SDL_test.h>
20
21static void
22print_mode(const char *prefix, const SDL_DisplayMode *mode)
23{
24 if (!mode) {
25 return;
26 }
27
28 SDL_Log("%s: %dx%d@%gx, %gHz, fmt=%s",
29 prefix,
30 mode->w, mode->h, mode->pixel_density, mode->refresh_rate,
31 SDL_GetPixelFormatName(mode->format));
32}
33
34int main(int argc, char *argv[])
35{
36 SDL_DisplayID *displays;
37 SDL_DisplayMode **modes;
38 const SDL_DisplayMode *mode;
39 int num_displays, i;
40 SDLTest_CommonState *state;
41
42 /* Initialize test framework */
43 state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO);
44 if (!state) {
45 return 1;
46 }
47
48 /* Parse commandline */
49 if (!SDLTest_CommonDefaultArgs(state, argc, argv)) {
50 return 1;
51 }
52
53 /* Load the SDL library */
54 if (!SDL_Init(SDL_INIT_VIDEO)) {
55 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "Couldn't initialize SDL: %s", SDL_GetError());
56 return 1;
57 }
58
59 SDL_Log("Using video target '%s'.", SDL_GetCurrentVideoDriver());
60 displays = SDL_GetDisplays(&num_displays);
61
62 SDL_Log("See %d displays.", num_displays);
63
64 for (i = 0; i < num_displays; i++) {
65 SDL_DisplayID dpy = displays[i];
66 SDL_PropertiesID props = SDL_GetDisplayProperties(dpy);
67 SDL_Rect rect = { 0, 0, 0, 0 };
68 int m, num_modes = 0;
69 const bool has_HDR = SDL_GetBooleanProperty(props, SDL_PROP_DISPLAY_HDR_ENABLED_BOOLEAN, false);
70
71 SDL_GetDisplayBounds(dpy, &rect);
72 modes = SDL_GetFullscreenDisplayModes(dpy, &num_modes);
73 SDL_Log("%" SDL_PRIu32 ": \"%s\" (%dx%d at %d,%d), content scale %.2f, %d fullscreen modes, HDR capable: %s.", dpy, SDL_GetDisplayName(dpy), rect.w, rect.h, rect.x, rect.y, SDL_GetDisplayContentScale(dpy), num_modes, has_HDR ? "yes" : "no");
74
75 mode = SDL_GetCurrentDisplayMode(dpy);
76 if (mode) {
77 print_mode("CURRENT", mode);
78 } else {
79 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " CURRENT: failed to query (%s)", SDL_GetError());
80 }
81
82 mode = SDL_GetDesktopDisplayMode(dpy);
83 if (mode) {
84 print_mode("DESKTOP", mode);
85 } else {
86 SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DESKTOP: failed to query (%s)", SDL_GetError());
87 }
88
89 for (m = 0; m < num_modes; m++) {
90 char prefix[64];
91 (void)SDL_snprintf(prefix, sizeof(prefix), " MODE %d", m);
92 print_mode(prefix, modes[m]);
93 }
94 SDL_free(modes);
95
96 SDL_Log("%s", "");
97 }
98 SDL_free(displays);
99
100 SDL_Quit();
101 SDLTest_CommonDestroyState(state);
102 return 0;
103}