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[MG_Backend] (P12): Espryt publishes a remote session's window-surface extent with its default-framebuffer format (split build only; the pull build is unchanged, G1)

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swung0x48
2026-09-23 23:55:23 -04:00
parent 826584d265
commit 2fa4714fc9
1 changed files with 31 additions and 0 deletions
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MobileGL/MG_Backend/DirectGLES/DirectGLES.cpp
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@@ -15816,6 +15816,13 @@ namespace MobileGL::MG_Backend::DirectGLES {
static EGLSurface g_Surface = EGL_NO_SURFACE;
static EGLConfig g_Config = nullptr;
#if MOBILEGL_BUILD_DISAGGREGATED
// P12 (on-screen server window), D3: true only while InitWindowSurface publishes the default
// framebuffer's shape, so that publish - and no pbuffer's - may carry the surface's extent.
// Split builds only: the pull build's publish is unchanged (G1).
static Bool g_publishWindowExtent = false;
#endif
static Bool QueryCurrentSurfaceSize(Int& outWidth, Int& outHeight) {
outWidth = 0;
outHeight = 0;
@@ -15947,6 +15954,23 @@ namespace MobileGL::MG_Backend::DirectGLES {
MG_Pipe::MGPSurfaceInfo info{};
info.InternalFormat = static_cast<Uint32>(depthFormat);
info.IsDefault = 1;
#if MOBILEGL_BUILD_DISAGGREGATED
// P12 (on-screen server window), D3: A WINDOW SURFACE OF A REMOTE SESSION ALSO SAYS HOW
// BIG IT IS. Under spawn / tcp (this server process set Transport=Spawn in RunSession)
// the only window surface is the server's own - a headless client's ServerOwned one -
// and that client learns its extent here and from the reply, as Magma's swapchain
// already tells it. An extent switches the client's consumer to the reallocating arm
// (ClientSession.cpp ApplySurfaceChangedToClient), so it is deliberately NOT published
// for a pbuffer, nor under inproc / monolith: those keep the format-only shape above.
if (g_publishWindowExtent && MG_Config::Transport == MG_Config::TransportMode::Spawn) {
Int extentWidth = 0;
Int extentHeight = 0;
if (QueryCurrentSurfaceSize(extentWidth, extentHeight)) {
info.Width = static_cast<Uint32>(extentWidth);
info.Height = static_cast<Uint32>(extentHeight);
}
}
#endif
MG_Pipe::gMGPipeCallbacks.OnSurfaceChanged(&info);
} else
#endif
@@ -16233,7 +16257,14 @@ namespace MobileGL::MG_Backend::DirectGLES {
if (!MakeCurrent()) return false;
ApplyRequestedSwapInterval();
#if MOBILEGL_BUILD_DISAGGREGATED
// P12 (D3): this publish may carry the window's extent (see the push arm of the publish).
g_publishWindowExtent = true;
PublishDefaultFramebufferDepthStencilFormat();
g_publishWindowExtent = false;
#else
PublishDefaultFramebufferDepthStencilFormat();
#endif
MGLOG_D("EGL context created successfully: display=%p, surface=%p, context=%p. window=%p", g_Display, g_Surface,
g_Context, window);