mono · mattleibow · Mar 29, 2026 · Mar 30, 2026
diff --git a/binding/HarfBuzzSharp.NativeAssets.Tizen/HarfBuzzSharp.NativeAssets.Tizen.csproj b/binding/HarfBuzzSharp.NativeAssets.Tizen/HarfBuzzSharp.NativeAssets.Tizen.csproj
@@ -1,13 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(TFMPrevious)-tizen$(TPVTizenPrevious);$(TFMCurrent)-tizen$(TPVTizenCurrent)</TargetFrameworks>
+    <TargetFrameworks>$(TFMPrevious)-tizen$(TPVTizenPrevious);$(TFMCurrent)-tizen$(TPVTizenCurrent);$(TFMMinimum)-tizen$(TPVTizenMinimum)</TargetFrameworks>
     <PackagingGroup>HarfBuzzSharp</PackagingGroup>
     <Title>$(PackagingGroup) - Native Assets for Tizen</Title>
   </PropertyGroup>
   <ItemGroup>
     <PackageFile Include="..\..\output\native\tizen\armel\libHarfBuzzSharp.*" PackagePath="runtimes\tizen-armel\native\%(Filename)%(Extension)" />
     <PackageFile Include="..\..\output\native\tizen\i586\libHarfBuzzSharp.*" PackagePath="runtimes\tizen-x86\native\%(Filename)%(Extension)" />
-    <PackageFile Include="..\..\output\native\tizen\i586\libHarfBuzzSharp.*" PackagePath="runtimes\linux-x86\native\%(Filename)%(Extension)" />
+    <PackageFile Include="..\..\output\native\tizen\x86_64\libHarfBuzzSharp.*" PackagePath="runtimes\tizen-x64\native\%(Filename)%(Extension)" />
+    <PackageFile Include="..\..\output\native\tizen\aarch64\libHarfBuzzSharp.*" PackagePath="runtimes\tizen-arm64\native\%(Filename)%(Extension)" />
   </ItemGroup>
   <Target Name="IncludeAdditionalTfmSpecificPackageFiles">
     <ItemGroup>

diff --git a/binding/IncludeNativeAssets.HarfBuzzSharp.targets b/binding/IncludeNativeAssets.HarfBuzzSharp.targets
@@ -48,14 +48,24 @@
   <ItemGroup Condition="$(TargetFramework.Contains('-tizen'))">
     <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\i586\libHarfBuzzSharp.so">
       <Visible>false</Visible>
-      <TizenTpkSubDir>bin\runtimes\linux-x86\native\</TizenTpkSubDir>
+      <TizenTpkSubDir>bin\runtimes\tizen-x86\native\</TizenTpkSubDir>
       <TizenTpkFileName>libHarfBuzzSharp.so</TizenTpkFileName>
     </TizenTpkFiles>
     <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\armel\libHarfBuzzSharp.so">
       <Visible>false</Visible>
       <TizenTpkSubDir>bin\runtimes\tizen-armel\native\</TizenTpkSubDir>
       <TizenTpkFileName>libHarfBuzzSharp.so</TizenTpkFileName>
     </TizenTpkFiles>
+    <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\x86_64\libHarfBuzzSharp.so">
+      <Visible>false</Visible>
+      <TizenTpkSubDir>bin\runtimes\tizen-x64\native\</TizenTpkSubDir>
+      <TizenTpkFileName>libHarfBuzzSharp.so</TizenTpkFileName>
+    </TizenTpkFiles>
+    <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\aarch64\libHarfBuzzSharp.so">
+      <Visible>false</Visible>
+      <TizenTpkSubDir>bin\runtimes\tizen-arm64\native\</TizenTpkSubDir>
+      <TizenTpkFileName>libHarfBuzzSharp.so</TizenTpkFileName>
+    </TizenTpkFiles>
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework.Contains('-tvos')) and '$(RuntimeIdentifier)' != ''">

diff --git a/binding/IncludeNativeAssets.SkiaSharp.targets b/binding/IncludeNativeAssets.SkiaSharp.targets
@@ -48,14 +48,24 @@
   <ItemGroup Condition="$(TargetFramework.Contains('-tizen'))">
     <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\i586\libSkiaSharp.so">
       <Visible>false</Visible>
-      <TizenTpkSubDir>bin\runtimes\linux-x86\native\</TizenTpkSubDir>
+      <TizenTpkSubDir>bin\runtimes\tizen-x86\native\</TizenTpkSubDir>
       <TizenTpkFileName>libSkiaSharp.so</TizenTpkFileName>
     </TizenTpkFiles>
     <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\armel\libSkiaSharp.so">
       <Visible>false</Visible>
       <TizenTpkSubDir>bin\runtimes\tizen-armel\native\</TizenTpkSubDir>
       <TizenTpkFileName>libSkiaSharp.so</TizenTpkFileName>
     </TizenTpkFiles>
+    <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\x86_64\libSkiaSharp.so">
+      <Visible>false</Visible>
+      <TizenTpkSubDir>bin\runtimes\tizen-x64\native\</TizenTpkSubDir>
+      <TizenTpkFileName>libSkiaSharp.so</TizenTpkFileName>
+    </TizenTpkFiles>
+    <TizenTpkFiles Include="$(MSBuildThisFileDirectory)..\output\native\tizen\aarch64\libSkiaSharp.so">
+      <Visible>false</Visible>
+      <TizenTpkSubDir>bin\runtimes\tizen-arm64\native\</TizenTpkSubDir>
+      <TizenTpkFileName>libSkiaSharp.so</TizenTpkFileName>
+    </TizenTpkFiles>
   </ItemGroup>
 
   <ItemGroup Condition="$(TargetFramework.Contains('-tvos')) and '$(RuntimeIdentifier)' != ''">

diff --git a/binding/SkiaSharp.NativeAssets.Tizen/SkiaSharp.NativeAssets.Tizen.csproj b/binding/SkiaSharp.NativeAssets.Tizen/SkiaSharp.NativeAssets.Tizen.csproj
@@ -1,13 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>$(TFMPrevious)-tizen$(TPVTizenPrevious);$(TFMCurrent)-tizen$(TPVTizenCurrent)</TargetFrameworks>
+    <TargetFrameworks>$(TFMPrevious)-tizen$(TPVTizenPrevious);$(TFMCurrent)-tizen$(TPVTizenCurrent);$(TFMMinimum)-tizen$(TPVTizenMinimum)</TargetFrameworks>
     <PackagingGroup>SkiaSharp</PackagingGroup>
     <Title>$(PackagingGroup) - Native Assets for Tizen</Title>
   </PropertyGroup>
   <ItemGroup>
     <PackageFile Include="..\..\output\native\tizen\armel\libSkiaSharp.*" PackagePath="runtimes\tizen-armel\native\%(Filename)%(Extension)" />
     <PackageFile Include="..\..\output\native\tizen\i586\libSkiaSharp.*" PackagePath="runtimes\tizen-x86\native\%(Filename)%(Extension)" />
-    <PackageFile Include="..\..\output\native\tizen\i586\libSkiaSharp.*" PackagePath="runtimes\linux-x86\native\%(Filename)%(Extension)" />
+    <PackageFile Include="..\..\output\native\tizen\x86_64\libSkiaSharp.*" PackagePath="runtimes\tizen-x64\native\%(Filename)%(Extension)" />
+    <PackageFile Include="..\..\output\native\tizen\aarch64\libSkiaSharp.*" PackagePath="runtimes\tizen-arm64\native\%(Filename)%(Extension)" />
   </ItemGroup>
   <Target Name="IncludeAdditionalTfmSpecificPackageFiles">
     <ItemGroup>

diff --git a/binding/SkiaSharp/GRGlInterface.cs b/binding/SkiaSharp/GRGlInterface.cs
@@ -210,6 +210,7 @@ private partial class EvasGlLoader
 			private readonly IntPtr glEvas;
 			private readonly EvasGlApi api;
 
+#if NET7_0_OR_GREATER
 			[LibraryImport (libevas)]
 			internal static partial IntPtr evas_gl_api_get (IntPtr evas_gl);
 
@@ -221,6 +222,19 @@ private partial class EvasGlLoader
 
 			[LibraryImport(libevas)]
 			internal static partial IntPtr evas_gl_proc_address_get (IntPtr evas_gl, [MarshalAs (UnmanagedType.LPStr)] string name);
+#else
+			[DllImport (libevas)]
+			internal static extern IntPtr evas_gl_api_get (IntPtr evas_gl);
+
+			[DllImport (libevas)]
+			internal static extern IntPtr evas_gl_context_api_get (IntPtr evas_gl, IntPtr ctx);
+
+			[DllImport (libevas)]
+			internal static extern IntPtr evas_gl_current_context_get (IntPtr evas_gl);
+
+			[DllImport (libevas)]
+			internal static extern IntPtr evas_gl_proc_address_get (IntPtr evas_gl, [MarshalAs (UnmanagedType.LPStr)] string name);
+#endif
 
 			static EvasGlLoader ()
 			{

diff --git a/externals/skia b/externals/skia
diff --git a/native/tizen/build.cake b/native/tizen/build.cake
@@ -9,20 +9,33 @@ DirectoryPath TIZEN_STUDIO_HOME = EnvironmentVariable("TIZEN_STUDIO_HOME") ?? PR
 
 var bat = IsRunningOnWindows() ? ".bat" : "";
 var tizen = TIZEN_STUDIO_HOME.CombineWithFilePath($"tools/ide/bin/tizen{bat}").FullPath;
-var tizenVersion = "6.0";
+
+void SetProjectProfile(string projectDir, string profile)
+{
+    var propFile = MakeAbsolute((FilePath)$"{projectDir}/project_def.prop").FullPath;
+    var propContent = System.IO.File.ReadAllText(propFile);
+    var newContent = System.Text.RegularExpressions.Regex.Replace(
+        propContent, @"^profile = .+$", $"profile = {profile}",
+        System.Text.RegularExpressions.RegexOptions.Multiline);
+    if (newContent == propContent)
+        throw new Exception($"Failed to set profile in '{propFile}': no 'profile = ...' line found.");
+    System.IO.File.WriteAllText(propFile, newContent);
+}
 
 Task("libSkiaSharp")
     .IsDependentOn("git-sync-deps")
     .Does(() =>
 {
-    Build("armel", "arm", $"mobile-{tizenVersion}-device.core");
-    Build("i586", "x86", $"mobile-{tizenVersion}-emulator.core");
+    Build("armel", "arm",   "arm",     "mobile-6.0-device.core",       "mobile-6.0", "6.0");
+    Build("i586",  "x86",   "x86",     "mobile-6.0-emulator.core",     "mobile-6.0", "6.0");
+    Build("x86_64","x64",   "x86_64",  "tizen-8.0-emulator64.core",    "tizen-8.0",  "8.0");
+    Build("aarch64","arm64","aarch64",  "tizen-8.0-device64.core",      "tizen-8.0",  "8.0");
 
-    void Build(string arch, string skiaArch, string rootstrap)
+    void Build(string outputDir, string skiaArch, string tizenArch, string rootstrap, string profile, string ncliVersion)
     {
-        if (Skip(arch)) return;
+        if (Skip(outputDir)) return;
 
-        GnNinja($"tizen/{arch}", "skia modules/skottie",
+        GnNinja($"tizen/{outputDir}", "skia modules/skottie",
            $"target_os='tizen' " +
            $"target_cpu='{skiaArch}' " +
            $"skia_enable_ganesh=true " +
@@ -39,14 +52,20 @@ Task("libSkiaSharp")
            $"skia_enable_skottie=true " +
            $"extra_cflags=[ '-DSKIA_C_DLL', '-DXML_DEV_URANDOM' ] " +
            $"ncli='{TIZEN_STUDIO_HOME}' " +
-           $"ncli_version='{tizenVersion}'");
+           $"ncli_version='{ncliVersion}'");
+
+        SetProjectProfile("libSkiaSharp", profile);
+
+        var buildDir = MakeAbsolute((DirectoryPath)$"libSkiaSharp/{CONFIGURATION}");
+        if (DirectoryExists(buildDir))
+            DeleteDirectory(buildDir, new DeleteDirectorySettings { Recursive = true, Force = true });
 
         RunProcess(tizen, new ProcessSettings {
-           Arguments = $"build-native -a {skiaArch} -c llvm -C {CONFIGURATION} -r {rootstrap}" ,
+           Arguments = $"build-native -a {tizenArch} -c llvm -C {CONFIGURATION} -r {rootstrap}",
            WorkingDirectory = MakeAbsolute((DirectoryPath)"libSkiaSharp").FullPath,
         });
 
-        var outDir = OUTPUT_PATH.Combine(arch);
+        var outDir = OUTPUT_PATH.Combine(outputDir);
         EnsureDirectoryExists(outDir);
         CopyFile($"libSkiaSharp/{CONFIGURATION}/libskiasharp.so", outDir.CombineWithFilePath("libSkiaSharp.so"));
     }
@@ -55,19 +74,27 @@ Task("libSkiaSharp")
 Task("libHarfBuzzSharp")
     .Does(() =>
 {
-    Build("armel", "arm", $"mobile-{tizenVersion}-device.core");
-    Build("i586", "x86", $"mobile-{tizenVersion}-emulator.core");
+    Build("armel", "arm",     "mobile-6.0-device.core",     "mobile-6.0");
+    Build("i586",  "x86",     "mobile-6.0-emulator.core",   "mobile-6.0");
+    Build("x86_64","x86_64",  "tizen-8.0-emulator64.core",  "tizen-8.0");
+    Build("aarch64","aarch64","tizen-8.0-device64.core",     "tizen-8.0");
 
-    void Build(string arch, string cliArch, string rootstrap)
+    void Build(string outputDir, string tizenArch, string rootstrap, string profile)
     {
-        if (Skip(arch)) return;
+        if (Skip(outputDir)) return;
+
+        SetProjectProfile("libHarfBuzzSharp", profile);
+
+        var buildDir = MakeAbsolute((DirectoryPath)$"libHarfBuzzSharp/{CONFIGURATION}");
+        if (DirectoryExists(buildDir))
+            DeleteDirectory(buildDir, new DeleteDirectorySettings { Recursive = true, Force = true });
 
         RunProcess(tizen, new ProcessSettings {
-            Arguments = $"build-native -a {cliArch} -c llvm -C {CONFIGURATION} -r {rootstrap}" ,
+            Arguments = $"build-native -a {tizenArch} -c llvm -C {CONFIGURATION} -r {rootstrap}",
             WorkingDirectory = MakeAbsolute((DirectoryPath)"libHarfBuzzSharp").FullPath,
         });
 
-        var outDir = OUTPUT_PATH.Combine(arch);
+        var outDir = OUTPUT_PATH.Combine(outputDir);
         EnsureDirectoryExists(outDir);
         CopyFile($"libHarfBuzzSharp/{CONFIGURATION}/libharfbuzzsharp.so", outDir.CombineWithFilePath("libHarfBuzzSharp.so"));
     }

diff --git a/scripts/install-tizen.ps1 b/scripts/install-tizen.ps1
@@ -3,7 +3,7 @@
 #  - https://developercommunity.visualstudio.com/content/problem/661596/the-updated-path-doesnt-kick-in.html
 
 Param(
-    [string] $Version = "5.6",
+    [string] $Version = "6.1",
     [string] $InstallDestination = $null,
     [boolean] $UpgradeLLVM = $true
 )
@@ -33,7 +33,7 @@ Write-Host "Install destination is '$ts'..."
 
 $tsTemp = Join-Path "$HOME_DIR" "tizen-temp"
 $install = Join-Path "$tsTemp" "tizen-install.$ext"
-$packages = "MOBILE-6.0-NativeAppDevelopment"
+$packages = "MOBILE-6.0-NativeAppDevelopment,TIZEN-8.0-NativeAppDevelopment"
 
 # download
 Write-Host "Downloading SDK to '$install'..."
@@ -46,6 +46,11 @@ Write-Host "JAVA_HOME is: $env:JAVA_HOME"
 Write-Host "PATH contains JAVA_HOME: $($env:PATH.Contains("$env:JAVA_HOME"))"
 & "java" -version
 
+# warn if there is an existing install (the 6.1 installer may fail if the directory already exists)
+if (Test-Path "$ts") {
+    Write-Host "##[warning]Existing Tizen Studio installation found at '$ts'. The installer may fail if this directory already exists."
+}
+
 # install
 Write-Host "Installing SDK to '$ts'..."
 if ($IsMacOS -or $IsLinux) {

diff --git a/source/SkiaSharp.Build.props b/source/SkiaSharp.Build.props
@@ -64,6 +64,8 @@
     <TFMPrevious>net9.0</TFMPrevious>
     <!-- The current version of .NET that we are shipping for (all the TFMs) -->
     <TFMCurrent>net10.0</TFMCurrent>
+    <!-- The minimum version of .NET for platforms where device runtime lags behind SDK (e.g. Tizen ships .NET 6 on device) -->
+    <TFMMinimum>net6.0</TFMMinimum>
   </PropertyGroup>
 
   <!-- Target Platform Versions -->
@@ -84,6 +86,8 @@
     <TPVmacOSCurrent>26.2</TPVmacOSCurrent>
     <TPVTizenCurrent>10.0</TPVTizenCurrent>
     <TPVWindowsCurrent>10.0.19041.0</TPVWindowsCurrent>
+    <!-- Minimum (net6.0) — for platforms where device runtime lags behind SDK -->
+    <TPVTizenMinimum>8.0</TPVTizenMinimum>
   </PropertyGroup>
 
   <!-- MAUI Package Versions (must match installed workload versions per TFM) -->
@@ -115,9 +119,13 @@
   <PropertyGroup Condition="'$(TFMBase)' != ''">
     <BasicTargetFrameworksBase>$(TFMBase)</BasicTargetFrameworksBase>
   </PropertyGroup>
+  <PropertyGroup Condition="'$(TFMMinimum)' != '' and '$(TFMMinimum)' != '$(TFMPrevious)' and '$(TFMMinimum)' != '$(TFMCurrent)'">
+    <BasicTargetFrameworksMinimum Condition="'$(TFMMinimum)' != '$(TFMBase)'">$(TFMMinimum)</BasicTargetFrameworksMinimum>
+    <PlatformTargetFrameworksMinimum Condition="!$(IsLinux) and $(IsNetTizenSupported)">$(TFMMinimum)-tizen$(TPVTizenMinimum)</PlatformTargetFrameworksMinimum>
+  </PropertyGroup>
   <PropertyGroup>
-    <BasicTargetFrameworks>$(BasicTargetFrameworksCurrent);$(BasicTargetFrameworksPrevious);$(BasicTargetFrameworksBase)</BasicTargetFrameworks>
-    <PlatformTargetFrameworks>$(PlatformTargetFrameworksCurrent);$(PlatformTargetFrameworksPrevious)</PlatformTargetFrameworks>
+    <BasicTargetFrameworks>$(BasicTargetFrameworksCurrent);$(BasicTargetFrameworksPrevious);$(BasicTargetFrameworksBase);$(BasicTargetFrameworksMinimum)</BasicTargetFrameworks>
+    <PlatformTargetFrameworks>$(PlatformTargetFrameworksCurrent);$(PlatformTargetFrameworksPrevious);$(PlatformTargetFrameworksMinimum)</PlatformTargetFrameworks>
     <AllTargetFrameworks>$(BasicTargetFrameworks);$(PlatformTargetFrameworks)</AllTargetFrameworks>
   </PropertyGroup>
+9 −1		gn/BUILDCONFIG.gn
+1 −0		include/c/sk_surface.h
+4 −0		src/c/sk_surface.cpp