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Merge pull request #91933 from bruvzg/x11_scr_fb

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[X11] Fallback to root window size, when Xinerama extension is available, but return zero screens.
This commit is contained in:
Rémi Verschelde 2024-05-15 12:09:45 +02:00
commit b802c7274f
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GPG key ID: C3336907360768E1
1 changed files with 40 additions and 27 deletions
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33
platform/linuxbsd/x11/display_server_x11.cpp
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@ -1007,7 +1007,8 @@ int DisplayServerX11::get_screen_count() const {
if (xinerama_ext_ok && XineramaQueryExtension(x11_display, &event_base, &error_base)) {
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count);
XFree(xsi);
} else {
}
if (count == 0) {
count = XScreenCount(x11_display);
}
@ -1068,25 +1069,29 @@ Rect2i DisplayServerX11::_screen_get_rect(int p_screen) const {
ERR_FAIL_COND_V(p_screen < 0, rect);
// Using Xinerama Extension.
bool found = false;
int event_base, error_base;
if (xinerama_ext_ok && XineramaQueryExtension(x11_display, &event_base, &error_base)) {
int count;
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &count);
if (xsi) {
if (count > 0) {
// Check if screen is valid.
if (p_screen < count) {
rect.position.x = xsi[p_screen].x_org;
rect.position.y = xsi[p_screen].y_org;
rect.size.width = xsi[p_screen].width;
rect.size.height = xsi[p_screen].height;
found = true;
} else {
ERR_PRINT("Invalid screen index: " + itos(p_screen) + "(count: " + itos(count) + ").");
ERR_PRINT(vformat("Invalid screen index: %d (count: %d).", p_screen, count));
}
}
if (xsi) {
XFree(xsi);
}
} else {
}
if (!found) {
int count = XScreenCount(x11_display);
if (p_screen < count) {
Window root = XRootWindow(x11_display, p_screen);
@ -1097,7 +1102,7 @@ Rect2i DisplayServerX11::_screen_get_rect(int p_screen) const {
rect.size.width = xwa.width;
rect.size.height = xwa.height;
} else {
ERR_PRINT("Invalid screen index: " + itos(p_screen) + "(count: " + itos(count) + ").");
ERR_PRINT(vformat("Invalid screen index: %d (count: %d).", p_screen, count));
}
}
@ -1503,10 +1508,13 @@ Ref<Image> DisplayServerX11::screen_get_image(int p_screen) const {
XImage *image = nullptr;
bool found = false;
int event_base, error_base;
if (xinerama_ext_ok && XineramaQueryExtension(x11_display, &event_base, &error_base)) {
int xin_count;
XineramaScreenInfo *xsi = XineramaQueryScreens(x11_display, &xin_count);
if (xsi) {
if (xin_count > 0) {
if (p_screen < xin_count) {
int x_count = XScreenCount(x11_display);
for (int i = 0; i < x_count; i++) {
@ -1514,14 +1522,19 @@ Ref<Image> DisplayServerX11::screen_get_image(int p_screen) const {
XWindowAttributes root_attrs;
XGetWindowAttributes(x11_display, root, &root_attrs);
if ((xsi[p_screen].x_org >= root_attrs.x) && (xsi[p_screen].x_org <= root_attrs.x + root_attrs.width) && (xsi[p_screen].y_org >= root_attrs.y) && (xsi[p_screen].y_org <= root_attrs.y + root_attrs.height)) {
found = true;
image = XGetImage(x11_display, root, xsi[p_screen].x_org, xsi[p_screen].y_org, xsi[p_screen].width, xsi[p_screen].height, AllPlanes, ZPixmap);
break;
}
}
} else {
ERR_FAIL_V_MSG(Ref<Image>(), "Invalid screen index: " + itos(p_screen) + "(count: " + itos(xin_count) + ").");
ERR_PRINT(vformat("Invalid screen index: %d (count: %d).", p_screen, xin_count));
}
} else {
}
XFree(xsi);
}
}
if (!found) {
int x_count = XScreenCount(x11_display);
if (p_screen < x_count) {
Window root = XRootWindow(x11_display, p_screen);
@ -1531,7 +1544,7 @@ Ref<Image> DisplayServerX11::screen_get_image(int p_screen) const {
image = XGetImage(x11_display, root, root_attrs.x, root_attrs.y, root_attrs.width, root_attrs.height, AllPlanes, ZPixmap);
} else {
ERR_FAIL_V_MSG(Ref<Image>(), "Invalid screen index: " + itos(p_screen) + "(count: " + itos(x_count) + ").");
ERR_PRINT(vformat("Invalid screen index: %d (count: %d).", p_screen, x_count));
}
}