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Merge pull request #7238 from Kontrabant/wayland_fix_portrait

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wayland: Transform mode values for native portrait displays
This commit is contained in:
Frank Praznik 2023-02-04 11:42:43 -05:00 committed by GitHub
parent 02fbf2cf99 b2d8a1a58c
commit 4a16d8d00e
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 17 additions and 20 deletions
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37
src/video/wayland/SDL_waylandvideo.c
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@ -361,7 +361,7 @@ static const struct zxdg_output_v1_listener xdg_output_listener = {
xdg_output_handle_description,
};
static void AddEmulatedModes(SDL_DisplayData *dispdata, SDL_bool rot_90)
static void AddEmulatedModes(SDL_DisplayData *dispdata, int native_width, int native_height)
{
struct EmulatedMode
{
@ -414,8 +414,7 @@ static void AddEmulatedModes(SDL_DisplayData *dispdata, SDL_bool rot_90)
int i;
SDL_DisplayMode mode;
SDL_VideoDisplay *dpy = dispdata->display ? SDL_GetVideoDisplay(dispdata->display) : &dispdata->placeholder;
const int native_width = dispdata->pixel_width;
const int native_height = dispdata->pixel_height;
const SDL_bool rot_90 = native_width < native_height; /* Reverse width/height for portrait displays. */
for (i = 0; i < SDL_arraysize(mode_list); ++i) {
SDL_zero(mode);
@ -424,19 +423,18 @@ static void AddEmulatedModes(SDL_DisplayData *dispdata, SDL_bool rot_90)
mode.refresh_rate = dpy->desktop_mode.refresh_rate;
mode.driverdata = dpy->desktop_mode.driverdata;
if (rot_90) {
mode.pixel_w = mode_list[i].h;
mode.pixel_h = mode_list[i].w;
} else {
mode.pixel_w = mode_list[i].w;
mode.pixel_h = mode_list[i].h;
}
/* Only add modes that are smaller than the native mode. */
if ((mode_list[i].w < native_width && mode_list[i].h < native_height) ||
(mode_list[i].w < native_width && mode_list[i].h == native_height) ||
(mode_list[i].w == native_width && mode_list[i].h < native_height)) {
if (rot_90) {
mode.pixel_w = mode_list[i].h;
mode.pixel_h = mode_list[i].w;
} else {
mode.pixel_w = mode_list[i].w;
mode.pixel_h = mode_list[i].h;
}
if ((mode.pixel_w < native_width && mode.pixel_h < native_height) ||
(mode.pixel_w < native_width && mode.pixel_h == native_height) ||
(mode.pixel_w == native_width && mode.pixel_h < native_height)) {
SDL_AddFullscreenDisplayMode(dpy, &mode);
}
}
@ -614,11 +612,11 @@ static void display_handle_done(void *data,
/* Set the desktop display mode. */
SDL_SetDesktopDisplayMode(dpy, &desktop_mode);
/* ...expose the unscaled, native resolution if the scale is 1.0 or viewports are available... */
/* Expose the unscaled, native resolution if the scale is 1.0 or viewports are available... */
if (driverdata->scale_factor == 1.0f || video->viewporter != NULL) {
SDL_AddFullscreenDisplayMode(dpy, &native_mode);
} else {
/* ...if not, expose the integer scaled variants of the desktop resolution down to 1. */
/* ...otherwise expose the integer scaled variants of the desktop resolution down to 1. */
int i;
desktop_mode.pixel_w = 0;
@ -634,9 +632,8 @@ static void display_handle_done(void *data,
/* Add emulated modes if wp_viewporter is supported and mode emulation is enabled. */
if (video->viewporter && mode_emulation_enabled) {
const SDL_bool rot_90 = (driverdata->transform & WL_OUTPUT_TRANSFORM_90) ||
(driverdata->screen_width < driverdata->screen_height);
AddEmulatedModes(driverdata, rot_90);
/* The transformed display pixel width/height must be used here. */
AddEmulatedModes(driverdata, native_mode.pixel_w, native_mode.pixel_h);
}
/* Calculate the display DPI */