67 lines
2.3 KiB
C#
67 lines
2.3 KiB
C#
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using System;
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using System.IO;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using System.Reflection;
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namespace Quik.Stb
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{
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public unsafe static partial class Stbi
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{
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private delegate void FailedAssertProc(byte *expression, byte *file, int line, byte *function);
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private static readonly string[] LibraryNames = new string[]
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{
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"runtimes/libstbi.dll",
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"runtimes/libstbi.so",
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"runtimes/libstbi.dylib",
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"libstbi.dll",
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"libstbi.so",
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"libstbi.dylib",
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};
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static Stbi()
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{
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NativeLibrary.SetDllImportResolver(Assembly.GetExecutingAssembly(), Resolver);
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quik_stbi_failed_assert_store(Marshal.GetFunctionPointerForDelegate<FailedAssertProc>(FailedAssert));
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}
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private const DllImportSearchPath SearchPath =
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DllImportSearchPath.ApplicationDirectory |
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DllImportSearchPath.UserDirectories |
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DllImportSearchPath.AssemblyDirectory |
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DllImportSearchPath.UseDllDirectoryForDependencies;
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private static IntPtr Resolver(string libraryName, Assembly assembly, DllImportSearchPath? searchPath)
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{
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Debugger.Break();
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if (libraryName != "stbi")
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return IntPtr.Zero;
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foreach (string name in LibraryNames)
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{
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if (NativeLibrary.TryLoad(name, assembly, SearchPath, out IntPtr handle))
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{
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return handle;
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}
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}
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return NativeLibrary.Load(libraryName);
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}
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private static void FailedAssert(byte *expression, byte *file, int line, byte *function)
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{
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string expr = expression == null ? string.Empty : Marshal.PtrToStringUTF8((IntPtr)expression);
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string f = file == null ? string.Empty : Marshal.PtrToStringUTF8((IntPtr)file);
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string func = function == null ? string.Empty : Marshal.PtrToStringUTF8((IntPtr)function);
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Exception ex = new Exception("Assert failed in native stbi code.");
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ex.Data.Add("Expression", expr);
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ex.Data.Add("File", f);
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ex.Data.Add("Line", line);
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ex.Data.Add("Function", func);
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throw ex;
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}
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}
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}
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