Windows default to fullscreen desktop mode if they don't pick an explicit video mode

Rather than iterating over display modes using an index, there is a new function SDL_GetFullscreenDisplayModes() to get the list of available fullscreen modes on a display.
{
    SDL_DisplayID display = SDL_GetPrimaryDisplay();
    int num_modes = 0;
    SDL_DisplayMode **modes = SDL_GetFullscreenDisplayModes(display, &num_modes);
    if (modes) {
        for (i = 0; i < num_modes; ++i) {
            SDL_DisplayMode *mode = modes[i];
            SDL_Log("Display %" SDL_PRIu32 " mode %d:  %dx%d@%gHz, %d%% scale\n",
                    display, i, mode->pixel_w, mode->pixel_h, mode->refresh_rate, (int)(mode->display_scale * 100.0f));
        }
        SDL_free(modes);
    }
}

SDL_GetDesktopDisplayMode() and SDL_GetCurrentDisplayMode() return pointers to display modes rather than filling in application memory.

Windows now have an explicit fullscreen mode that is set, using SDL_SetWindowFullscreenMode(). The fullscreen mode for a window can be queried with SDL_GetWindowFullscreenMode(), which returns a pointer to the mode, or NULL if the window will be fullscreen desktop. SDL_SetWindowFullscreen() just takes a boolean value, setting the correct fullscreen state based on the selected mode.
This commit is contained in:
Sam Lantinga 2023-01-31 21:23:14 -08:00
parent 048df6260c
commit 6b137579ea
50 changed files with 976 additions and 1190 deletions

View file

@ -32,7 +32,8 @@ print_mode(const char *prefix, const SDL_DisplayMode *mode)
int main(int argc, char *argv[])
{
SDL_DisplayID *displays;
SDL_DisplayMode mode;
const SDL_DisplayMode **modes;
const SDL_DisplayMode *mode;
int num_displays, i;
/* Enable standard application logging */
@ -51,13 +52,13 @@ int main(int argc, char *argv[])
for (i = 0; i < num_displays; i++) {
SDL_DisplayID dpy = displays[i];
const int num_modes = SDL_GetNumDisplayModes(dpy);
SDL_Rect rect = { 0, 0, 0, 0 };
float ddpi, hdpi, vdpi;
int m;
int m, num_modes = 0;
SDL_GetDisplayBounds(dpy, &rect);
SDL_Log("%" SDL_PRIu32 ": \"%s\" (%dx%d, (%d, %d)), %d modes.\n", dpy, SDL_GetDisplayName(dpy), rect.w, rect.h, rect.x, rect.y, num_modes);
modes = SDL_GetFullscreenDisplayModes(dpy, &num_modes);
SDL_Log("%" SDL_PRIu32 ": \"%s\" (%dx%d, (%d, %d)), %d fullscreen modes.\n", dpy, SDL_GetDisplayName(dpy), rect.w, rect.h, rect.x, rect.y, num_modes);
if (SDL_GetDisplayPhysicalDPI(dpy, &ddpi, &hdpi, &vdpi) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DPI: failed to query (%s)\n", SDL_GetError());
@ -65,27 +66,26 @@ int main(int argc, char *argv[])
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());
mode = SDL_GetCurrentDisplayMode(dpy);
if (mode) {
print_mode("CURRENT", mode);
} else {
print_mode("CURRENT", &mode);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " CURRENT: failed to query (%s)\n", SDL_GetError());
}
if (SDL_GetDesktopDisplayMode(dpy, &mode) == -1) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DESKTOP: failed to query (%s)\n", SDL_GetError());
mode = SDL_GetDesktopDisplayMode(dpy);
if (mode) {
print_mode("DESKTOP", mode);
} else {
print_mode("DESKTOP", &mode);
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, " DESKTOP: failed to query (%s)\n", SDL_GetError());
}
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);
}
char prefix[64];
(void)SDL_snprintf(prefix, sizeof prefix, " MODE %d", m);
print_mode(prefix, modes[i]);
}
SDL_free(modes);
SDL_Log("\n");
}