Context: init impl before creating objects.

src/libANGLE/Context.cpp

@@ -405,6 +405,8 @@ void Context::initialize()
 
     mState.initializeZeroTextures(this, mZeroTextures);
 
+    ANGLE_CONTEXT_TRY(mImplementation->initialize());
+
     bindVertexArray({0});
 
     if (getClientVersion() >= Version(3, 0))
@@ -497,8 +499,6 @@ void Context::initialize()
     mCopyImageDirtyBits.set(State::DIRTY_BIT_READ_FRAMEBUFFER_BINDING);
     mCopyImageDirtyObjects.set(State::DIRTY_OBJECT_READ_FRAMEBUFFER);
 
-    ANGLE_CONTEXT_TRY(mImplementation->initialize());
-
     // Initialize overlay after implementation is initialized.
     ANGLE_CONTEXT_TRY(mOverlay.init(this));
 }

src/libANGLE/renderer/vulkan/ContextVk.cpp

@@ -640,6 +640,8 @@ ContextVk::ContextVk(const gl::State &state, gl::ErrorSet *errorSet, RendererVk
       mEmulateSeamfulCubeMapSampling(false),
       mUseOldRewriteStructSamplers(false),
       mPoolAllocator(kDefaultPoolAllocatorPageSize, 1),
+      mOutsideRenderPassCommands(nullptr),
+      mRenderPassCommands(nullptr),
       mHasPrimaryCommands(false),
       mGpuEventsEnabled(false),
       mGpuClockSync{std::numeric_limits<double>::max(), std::numeric_limits<double>::max()},
@@ -3683,6 +3685,7 @@ bool ContextVk::shouldFlush()
 
 bool ContextVk::hasRecordedCommands()
 {
+    ASSERT(mOutsideRenderPassCommands && mRenderPassCommands);
     return !mOutsideRenderPassCommands->empty() || !mRenderPassCommands->empty() ||
            mHasPrimaryCommands;
 }