Expose IsAbandoned in the C# API (#1659)

mono · Mar 15, 2021 · 751bdf4 · 751bdf4
1 parent 4229ffa
commit 751bdf4
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Showing 4 changed files with 36 additions and 1 deletion.
diff --git a/binding/Binding/GRContext.cs b/binding/Binding/GRContext.cs
@@ -121,6 +121,8 @@ public static GRContext CreateMetal (GRMtlBackendContext backendContext, GRConte
 
 		public GRBackend Backend => SkiaApi.gr_context_get_backend (Handle).FromNative ();
 
+		public bool IsAbandoned => SkiaApi.gr_context_is_abandoned (Handle);
+
 		public void AbandonContext (bool releaseResources = false)
 		{
 			if (releaseResources)

diff --git a/binding/Binding/SkiaApi.generated.cs b/binding/Binding/SkiaApi.generated.cs
@@ -507,6 +507,22 @@ private partial class Delegates {
 			(gr_context_get_resource_cache_usage_delegate ??= GetSymbol<Delegates.gr_context_get_resource_cache_usage> ("gr_context_get_resource_cache_usage")).Invoke (context, maxResources, maxResourceBytes);
 		#endif
 
+		// bool gr_context_is_abandoned(gr_context_t* context)
+		#if !USE_DELEGATES
+		[DllImport (SKIA, CallingConvention = CallingConvention.Cdecl)]
+		[return: MarshalAs (UnmanagedType.I1)]
+		internal static extern bool gr_context_is_abandoned (gr_context_t context);
+		#else
+		private partial class Delegates {
+			[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
+			[return: MarshalAs (UnmanagedType.I1)]
+			internal delegate bool gr_context_is_abandoned (gr_context_t context);
+		}
+		private static Delegates.gr_context_is_abandoned gr_context_is_abandoned_delegate;
+		internal static bool gr_context_is_abandoned (gr_context_t context) =>
+			(gr_context_is_abandoned_delegate ??= GetSymbol<Delegates.gr_context_is_abandoned> ("gr_context_is_abandoned")).Invoke (context);
+		#endif
+
 		// gr_context_t* gr_context_make_gl(const gr_glinterface_t* glInterface)
 		#if !USE_DELEGATES
 		[DllImport (SKIA, CallingConvention = CallingConvention.Cdecl)]

diff --git a/externals/skia b/externals/skia
diff --git a/tests/Tests/GRContextTest.cs b/tests/Tests/GRContextTest.cs
@@ -19,6 +19,23 @@ public void CreateDefaultContextIsValid()
 			}
 		}
 
+		[Trait(CategoryKey, GpuCategory)]
+		[SkippableFact]
+		public void AbandonContextIsAbandoned()
+		{
+			using (var ctx = CreateGlContext()) {
+				ctx.MakeCurrent();
+
+				var grContext = GRContext.CreateGl();
+
+				Assert.False(grContext.IsAbandoned);
+
+				grContext.AbandonContext();
+
+				Assert.True(grContext.IsAbandoned);
+			}
+		}
+
 		[Trait(CategoryKey, GpuCategory)]
 		[SkippableFact]
 		public void CreateDefaultContextWithOptionsIsValid()