From b7d9dad58e5a3f87a6c767412941700bc8010044 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Sat, 12 May 2018 14:32:03 +0200
Subject: Remove MOZ_B2G leftovers and some dead B2G-only components.

---
 gfx/gl/GLLibraryEGL.cpp                  |  8 --------
 gfx/gl/GLLibraryEGL.h                    | 20 --------------------
 gfx/layers/Compositor.cpp                |  4 +---
 gfx/layers/ipc/LayerTransactionChild.cpp |  9 ---------
 gfx/thebes/gfxPlatform.cpp               |  9 ++++-----
 5 files changed, 5 insertions(+), 45 deletions(-)

(limited to 'gfx')

diff --git a/gfx/gl/GLLibraryEGL.cpp b/gfx/gl/GLLibraryEGL.cpp
index 130bce119..22be44ed6 100644
--- a/gfx/gl/GLLibraryEGL.cpp
+++ b/gfx/gl/GLLibraryEGL.cpp
@@ -33,9 +33,6 @@ namespace gl {
 
 StaticMutex GLLibraryEGL::sMutex;
 GLLibraryEGL sEGLLibrary;
-#ifdef MOZ_B2G
-MOZ_THREAD_LOCAL(EGLContext) GLLibraryEGL::sCurrentContext;
-#endif
 
 // should match the order of EGLExtensions, and be null-terminated.
 static const char* sEGLExtensionNames[] = {
@@ -305,11 +302,6 @@ GLLibraryEGL::EnsureInitialized(bool forceAccel, nsACString* const out_failureId
 
     mozilla::ScopedGfxFeatureReporter reporter("EGL");
 
-#ifdef MOZ_B2G
-    if (!sCurrentContext.init())
-      MOZ_CRASH("GFX: Tls init failed");
-#endif
-
 #ifdef XP_WIN
     if (!mEGLLibrary) {
         // On Windows, the GLESv2, EGL and DXSDK libraries are shipped with libxul and
diff --git a/gfx/gl/GLLibraryEGL.h b/gfx/gl/GLLibraryEGL.h
index fa6ea748b..88fce067e 100644
--- a/gfx/gl/GLLibraryEGL.h
+++ b/gfx/gl/GLLibraryEGL.h
@@ -656,32 +656,12 @@ public:
     static void AfterGLCall(const char* glFunction);
 #endif
 
-#ifdef MOZ_B2G
-    EGLContext CachedCurrentContext() {
-        return sCurrentContext.get();
-    }
-    void UnsetCachedCurrentContext() {
-        sCurrentContext.set(nullptr);
-    }
-    void SetCachedCurrentContext(EGLContext aCtx) {
-        sCurrentContext.set(aCtx);
-    }
-    bool CachedCurrentContextMatches() {
-        return sCurrentContext.get() == fGetCurrentContext();
-    }
-
-private:
-    static MOZ_THREAD_LOCAL(EGLContext) sCurrentContext;
-public:
-
-#else
     EGLContext CachedCurrentContext() {
         return nullptr;
     }
     void UnsetCachedCurrentContext() {}
     void SetCachedCurrentContext(EGLContext aCtx) { }
     bool CachedCurrentContextMatches() { return true; }
-#endif
 
 private:
     bool mInitialized;
diff --git a/gfx/layers/Compositor.cpp b/gfx/layers/Compositor.cpp
index ce7eb9008..b623b8de9 100644
--- a/gfx/layers/Compositor.cpp
+++ b/gfx/layers/Compositor.cpp
@@ -173,9 +173,7 @@ Compositor::DrawDiagnosticsInternal(DiagnosticFlags aFlags,
                                     const gfx::Matrix4x4& aTransform,
                                     uint32_t aFlashCounter)
 {
-#ifdef MOZ_B2G
-  int lWidth = 4;
-#elif defined(ANDROID)
+#if defined(ANDROID)
   int lWidth = 10;
 #else
   int lWidth = 2;
diff --git a/gfx/layers/ipc/LayerTransactionChild.cpp b/gfx/layers/ipc/LayerTransactionChild.cpp
index 8b60d3b51..f07e2c27f 100644
--- a/gfx/layers/ipc/LayerTransactionChild.cpp
+++ b/gfx/layers/ipc/LayerTransactionChild.cpp
@@ -72,15 +72,6 @@ void
 LayerTransactionChild::ActorDestroy(ActorDestroyReason why)
 {
   mDestroyed = true;
-#ifdef MOZ_B2G
-  // Due to poor lifetime management of gralloc (and possibly shmems) we will
-  // crash at some point in the future when we get destroyed due to abnormal
-  // shutdown. Its better just to crash here. On desktop though, we have a chance
-  // of recovering.
-  if (why == AbnormalShutdown) {
-    NS_RUNTIMEABORT("ActorDestroy by IPC channel failure at LayerTransactionChild");
-  }
-#endif
 }
 
 } // namespace layers
diff --git a/gfx/thebes/gfxPlatform.cpp b/gfx/thebes/gfxPlatform.cpp
index a468592fe..4db7bc29f 100644
--- a/gfx/thebes/gfxPlatform.cpp
+++ b/gfx/thebes/gfxPlatform.cpp
@@ -2399,11 +2399,10 @@ gfxPlatform::GetTilesSupportInfo(mozilla::widget::InfoObject& aObj)
 /*static*/ bool
 gfxPlatform::AsyncPanZoomEnabled()
 {
-#if !defined(MOZ_B2G) && !defined(MOZ_WIDGET_ANDROID) && !defined(MOZ_WIDGET_UIKIT)
-  // For XUL applications (everything but B2G on mobile and desktop, and
-  // Firefox on Android) we only want to use APZ when E10S is enabled. If
-  // we ever get input events off the main thread we can consider relaxing
-  // this requirement.
+#if !defined(MOZ_WIDGET_ANDROID) && !defined(MOZ_WIDGET_UIKIT)
+  // For XUL applications (everything but Firefox on Android) we only want
+  // to use APZ when E10S is enabled. If we ever get input events off the
+  // main thread we can consider relaxing this requirement.
   if (!BrowserTabsRemoteAutostart()) {
     return false;
   }
-- 
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