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$NetBSD: patch-gfx_thebes_gfxPlatform.cpp,v 1.2 2020/10/07 11:10:35 wiz Exp $
Don't rely on CrossProcessSemaphore on NetBSD. It has some implementation
issues that cause issues (kern/55386, not available on NetBSD<9)
This idea is borrowed from macOS which has the same limitation.
--- gfx/thebes/gfxPlatform.cpp.orig 2020-06-03 01:04:50.000000000 +0000
+++ gfx/thebes/gfxPlatform.cpp
@@ -2922,6 +2922,10 @@ bool gfxPlatform::UsesOffMainThreadCompo
}
bool gfxPlatform::UsesTiling() const {
+#ifdef __NetBSD__
+ // Avoid relying on CrossProcessSemaphore
+ return true;
+#else
bool usesSkia = GetDefaultContentBackend() == BackendType::SKIA;
// We can't just test whether the PaintThread is initialized here because
@@ -2934,6 +2938,7 @@ bool gfxPlatform::UsesTiling() const {
return StaticPrefs::layers_enable_tiles_AtStartup() ||
(StaticPrefs::layers_enable_tiles_if_skia_pomtp_AtStartup() &&
usesSkia && usesPOMTP);
+#endif
}
bool gfxPlatform::ContentUsesTiling() const {
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