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wayland: fix resizing and fullscreen toggling

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For starters, we need to correctly respond to 0,0 configure after unsetting
fullscreen. Also, turns out that there should be no drawing calls at all
in between eglSwapBuffers and wl_egl_window_resize, as otherwise EGL can
already allocate a wrongly sized buffer for a next frame, so handle those
together.
This commit is contained in:
Sebastian Krzyszkowiak
2018-11-07 01:08:35 +01:00
parent ed694ec61f
commit 48917e0e70
3 changed files with 130 additions and 49 deletions
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135
src/video/wayland/SDL_waylandwindow.c
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@@ -55,7 +55,6 @@ handle_configure_wl_shell_surface(void *data, struct wl_shell_surface *shell_sur
{
SDL_WindowData *wind = (SDL_WindowData *)data;
SDL_Window *window = wind->sdlwindow;
struct wl_region *region;
/* wl_shell_surface spec states that this is a suggestion.
Ignore if less than or greater than max/min size. */
@@ -68,7 +67,7 @@ handle_configure_wl_shell_surface(void *data, struct wl_shell_surface *shell_sur
if ((window->flags & SDL_WINDOW_RESIZABLE)) {
if (window->max_w > 0) {
width = SDL_min(width, window->max_w);
}
}
width = SDL_max(width, window->min_w);
if (window->max_h > 0) {
@@ -80,15 +79,9 @@ handle_configure_wl_shell_surface(void *data, struct wl_shell_surface *shell_sur
}
}
WAYLAND_wl_egl_window_resize(wind->egl_window, width, height, 0, 0);
region = wl_compositor_create_region(wind->waylandData->compositor);
wl_region_add(region, 0, 0, width, height);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, width, height);
window->w = width;
window->h = height;
wind->resize.width = width;
wind->resize.height = height;
wind->resize.pending = SDL_TRUE;
}
static void
@@ -112,15 +105,25 @@ handle_configure_zxdg_shell_surface(void *data, struct zxdg_surface_v6 *zxdg, ui
SDL_Window *window = wind->sdlwindow;
struct wl_region *region;
wind->shell_surface.zxdg.initial_configure_seen = SDL_TRUE;
if (!wind->shell_surface.zxdg.initial_configure_seen) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, wind->resize.width, wind->resize.height);
window->w = wind->resize.width;
window->h = wind->resize.height;
WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
region = wl_compositor_create_region(wind->waylandData->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
zxdg_surface_v6_ack_configure(zxdg, serial);
zxdg_surface_v6_ack_configure(zxdg, serial);
region = wl_compositor_create_region(wind->waylandData->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
wind->shell_surface.zxdg.initial_configure_seen = SDL_TRUE;
} else {
wind->resize.pending = SDL_TRUE;
wind->resize.serial = serial;
}
}
static const struct zxdg_surface_v6_listener shell_surface_listener_zxdg = {
@@ -138,18 +141,27 @@ handle_configure_zxdg_toplevel(void *data,
SDL_WindowData *wind = (SDL_WindowData *)data;
SDL_Window *window = wind->sdlwindow;
/* wl_shell_surface spec states that this is a suggestion.
Ignore if less than or greater than max/min size. */
if (width == 0 || height == 0) {
return;
enum zxdg_toplevel_v6_state *state;
SDL_bool fullscreen = SDL_FALSE;
wl_array_for_each(state, states) {
if (*state == ZXDG_TOPLEVEL_V6_STATE_FULLSCREEN) {
fullscreen = SDL_TRUE;
}
}
if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
if (!fullscreen) {
if (width == 0 || height == 0) {
width = window->windowed.w;
height = window->windowed.h;
}
/* zxdg_toplevel spec states that this is a suggestion.
Ignore if less than or greater than max/min size. */
if ((window->flags & SDL_WINDOW_RESIZABLE)) {
if (window->max_w > 0) {
width = SDL_min(width, window->max_w);
}
}
width = SDL_max(width, window->min_w);
if (window->max_h > 0) {
@@ -157,13 +169,20 @@ handle_configure_zxdg_toplevel(void *data,
}
height = SDL_max(height, window->min_h);
} else {
wind->resize.width = window->w;
wind->resize.height = window->h;
return;
}
}
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, width, height);
window->w = width;
window->h = height;
if (width == 0 || height == 0) {
wind->resize.width = window->w;
wind->resize.height = window->h;
return;
}
wind->resize.width = width;
wind->resize.height = height;
}
static void
@@ -187,15 +206,25 @@ handle_configure_xdg_shell_surface(void *data, struct xdg_surface *xdg, uint32_t
SDL_Window *window = wind->sdlwindow;
struct wl_region *region;
wind->shell_surface.xdg.initial_configure_seen = SDL_TRUE;
if (!wind->shell_surface.xdg.initial_configure_seen) {
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, wind->resize.width, wind->resize.height);
window->w = wind->resize.width;
window->h = wind->resize.height;
WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
WAYLAND_wl_egl_window_resize(wind->egl_window, window->w, window->h, 0, 0);
region = wl_compositor_create_region(wind->waylandData->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
xdg_surface_ack_configure(xdg, serial);
xdg_surface_ack_configure(xdg, serial);
region = wl_compositor_create_region(wind->waylandData->compositor);
wl_region_add(region, 0, 0, window->w, window->h);
wl_surface_set_opaque_region(wind->surface, region);
wl_region_destroy(region);
wind->shell_surface.xdg.initial_configure_seen = SDL_TRUE;
} else {
wind->resize.pending = SDL_TRUE;
wind->resize.serial = serial;
}
}
static const struct xdg_surface_listener shell_surface_listener_xdg = {
@@ -213,18 +242,27 @@ handle_configure_xdg_toplevel(void *data,
SDL_WindowData *wind = (SDL_WindowData *)data;
SDL_Window *window = wind->sdlwindow;
/* wl_shell_surface spec states that this is a suggestion.
Ignore if less than or greater than max/min size. */
enum xdg_toplevel_state *state;
SDL_bool fullscreen = SDL_FALSE;
wl_array_for_each(state, states) {
if (*state == XDG_TOPLEVEL_STATE_FULLSCREEN) {
fullscreen = SDL_TRUE;
}
}
if (width == 0 || height == 0) {
return;
}
if (!fullscreen) {
if (width == 0 || height == 0) {
width = window->windowed.w;
height = window->windowed.h;
}
/* xdg_toplevel spec states that this is a suggestion.
Ignore if less than or greater than max/min size. */
if (!(window->flags & SDL_WINDOW_FULLSCREEN)) {
if ((window->flags & SDL_WINDOW_RESIZABLE)) {
if (window->max_w > 0) {
width = SDL_min(width, window->max_w);
}
}
width = SDL_max(width, window->min_w);
if (window->max_h > 0) {
@@ -232,17 +270,20 @@ handle_configure_xdg_toplevel(void *data,
}
height = SDL_max(height, window->min_h);
} else {
wind->resize.width = window->w;
wind->resize.height = window->h;
return;
}
}
if (width == window->w && height == window->h) {
if (width == 0 || height == 0) {
wind->resize.width = window->w;
wind->resize.height = window->h;
return;
}
SDL_SendWindowEvent(window, SDL_WINDOWEVENT_RESIZED, width, height);
window->w = width;
window->h = height;
wind->resize.width = width;
wind->resize.height = height;
}
static void
@@ -508,6 +549,8 @@ int Wayland_CreateWindow(_THIS, SDL_Window *window)
data->waylandData = c;
data->sdlwindow = window;
data->resize.pending = SDL_FALSE;
data->surface =
wl_compositor_create_surface(c->compositor);
wl_surface_set_user_data(data->surface, data);