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[Fix] (P12): publish the server window's extent from the display on every resize, at once, and let eglQuerySurface take it in

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swung0x48
2026-10-02 12:03:52 -04:00
parent 16b07cf4b5
commit 258b946086
21 changed files with 392 additions and 89 deletions
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MobileGL/MG_Remote/Server/ServerDisplay.cpp
+20 -2
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@@ -100,12 +100,18 @@ namespace MobileGL::MG_Remote::Server {
if (window == m_window) {
// surfaceChanged: the same window at a new extent. This is also how a geometry request
// is answered, so a waiting AcquireFor is woken.
const Bool resized = width != m_width || height != m_height;
m_width = width;
m_height = height;
NoteExtentReportLocked(width, height);
// The session rendering into it publishes the new extent to its client NOW - not at its
// next present, which a compositor with nothing to redraw never makes.
const Bool told = resized && m_leaseHolder != nullptr && m_onResized != nullptr;
if (told) m_onResized(m_leaseHolder);
lock.unlock();
m_cv.notify_all();
MGLOG_I("MG_Remote server: server window %p is now %ux%u", window, width, height);
MGLOG_I("MG_Remote server: server window %p is now %ux%u%s", window, width, height,
told ? "; its session is told" : "");
return;
}
if (m_window != nullptr) {
@@ -184,7 +190,8 @@ namespace MobileGL::MG_Remote::Server {
ServerWindowAcquire ServerDisplay::AcquireFor(Uint32 width, Uint32 height, Uint32 timeoutMs, void* holder,
ServerWindowLostHook onLost, ServerWindowWaitCancel cancel,
void* cancelUser, ServerWindowLease* out) {
void* cancelUser, ServerWindowLease* out,
ServerWindowResizedHook onResized) {
ServerDisplayHooks hooks{};
Uint64 interrupts = 0;
const Bool sizeRequested = width != 0 && height != 0;
@@ -240,6 +247,7 @@ namespace MobileGL::MG_Remote::Server {
if (sizeOk || now >= geometryDeadline) {
m_leaseHolder = holder;
m_onLost = onLost;
m_onResized = onResized;
m_lostRequested = false;
// A suspended holder that leased a window again waits for no other.
m_suspended.erase(std::remove_if(m_suspended.begin(), m_suspended.end(),
@@ -281,6 +289,7 @@ namespace MobileGL::MG_Remote::Server {
if (holder == nullptr || m_leaseHolder != holder) return false;
m_leaseHolder = nullptr;
m_onLost = nullptr;
m_onResized = nullptr;
m_lostRequested = false;
releases->swap(m_releaseAfterLease);
*hooks = m_hooks;
@@ -338,6 +347,15 @@ namespace MobileGL::MG_Remote::Server {
m_suspended.end());
}
Bool ServerDisplay::WindowExtent(void* holder, void** window, Uint32* width, Uint32* height) const {
const std::lock_guard<std::mutex> lock(m_mutex);
if (holder == nullptr || m_leaseHolder != holder || m_window == nullptr) return false;
if (window != nullptr) *window = m_window;
if (width != nullptr) *width = m_width;
if (height != nullptr) *height = m_height;
return true;
}
Uint32 ServerDisplay::SuspendedHolders() const {
const std::lock_guard<std::mutex> lock(m_mutex);
return static_cast<Uint32>(m_suspended.size());