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[Fix] (MG_Impl/EGLImpl, MG_Backend): handle EGL current handoff for NeoForge earlydisplay

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Treat valid-display no-surface eglMakeCurrent calls as EGL release requests, keep EGLState and backend current records consistent across threads, and rebind the native DirectGLES EGL context during attach/release.

Add EGLState coverage for cross-thread owner transfer and same-thread release/reattach behavior.
This commit is contained in:
swung0x48
2026-06-30 16:44:38 +08:00
parent 2f1949e093
commit 5b116696f0
12 changed files with 271 additions and 20 deletions
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MobileGL/MG_Backend/BackendObject.cpp
+15 -3
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@@ -33,7 +33,8 @@ namespace MobileGL::MG_Backend {
};
Bool IsReleaseCurrentRequest(EGLDisplay dpy, EGLSurface draw, EGLSurface read, EGLContext ctx) {
return dpy == EGL_NO_DISPLAY && draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
(void)dpy;
return draw == EGL_NO_SURFACE && read == EGL_NO_SURFACE && ctx == EGL_NO_CONTEXT;
}
std::thread::id CurrentThreadKey() {
@@ -296,7 +297,12 @@ namespace MobileGL::MG_Backend {
m_backendCapabilitiesInitialized = true;
}
m_eglCurrentThreads[threadKey] = true;
m_eglCurrentThreads[threadKey] = EGLCurrentState{
.Display = dpy,
.DrawSurface = draw,
.ReadSurface = read,
.Context = ctx,
};
return true;
}
@@ -314,10 +320,16 @@ namespace MobileGL::MG_Backend {
MGLOG_E("SwapEGLBuffers failed: EGL display mismatch or not initialized");
return false;
}
if (m_eglCurrentThreads.find(CurrentThreadKey()) == m_eglCurrentThreads.end()) {
const auto currentIt = m_eglCurrentThreads.find(CurrentThreadKey());
if (currentIt == m_eglCurrentThreads.end()) {
MGLOG_E("SwapEGLBuffers failed: no current context attached");
return false;
}
if (currentIt->second.Display != dpy || currentIt->second.DrawSurface != draw ||
currentIt->second.Context == EGL_NO_CONTEXT) {
MGLOG_E("SwapEGLBuffers failed: draw surface is not current on this thread");
return false;
}
if (!m_eglSurfaceInitialized || draw == EGL_NO_SURFACE) {
MGLOG_E("SwapEGLBuffers failed: invalid draw surface");
return false;