122 lines
4.1 KiB
C#
122 lines
4.1 KiB
C#
using StgSharp.Controlling;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Runtime.InteropServices;
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namespace StgSharp.Graphics
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{
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public static unsafe partial class Graphic
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{
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internal static TDele ConvertAPI<TDele>(IntPtr funcPtr)
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{
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if (funcPtr == IntPtr.Zero)
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{
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throw new Exception("Failed to convert api, the function pointer is zero.");
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}
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try
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{
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return Marshal.GetDelegateForFunctionPointer<TDele>(funcPtr);
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}
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catch (Exception ex)
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{
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throw;
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}
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}
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internal static Delegate ConvertAPI(IntPtr funcPtr, Type T)
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{
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if (funcPtr == IntPtr.Zero)
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{
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throw new Exception("Failed to convert api, the function pointer is zero.");
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}
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try
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{
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return Marshal.GetDelegateForFunctionPointer(funcPtr, T);
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}
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catch (Exception ex)
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{
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throw;
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}
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}
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/// <summary>
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/// Init an instance of OpenGL program,
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/// This method should be called before other
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/// graphic methods, after LoadGL method.
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/// </summary>
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public static void InitGL(int majorVersion, int minorVersion)
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{
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if (InternalIO.glfw == null)
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{
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try
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{
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InternalIO.glfw = new glFramework_PInvoke();
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InternalIO.glfw.Init();
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InternalIO.InternalWriteLog("Successfully load GLFW APIs. StgSharp is now working on p/invoke mode", LogType.Info);
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}
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catch (Exception sig)
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{
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string log = $"Failed to load GLFW APIs by P/Invoke," +
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$"StgSharp will switch to delegate mode. The detailed info is:\n" +
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$"{sig.Message}\n";
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if (InternalIO.SSClibPtr == default)
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{
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InternalIO.SSClibPtr =
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InternalIO.InternalLoadWINlib(InternalIO.SSC_libname + ".dll");
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}
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InternalIO.glfw = new glFramework_Delegate();
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InternalIO.SSClibPtr = InternalIO.InternalLoadWINlib(InternalIO.SSC_libname);
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FieldInfo[] glfwApis = typeof(glFramework_Delegate).GetFields();
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foreach (FieldInfo item in glfwApis)
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{
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if (item.FieldType.BaseType == typeof(Delegate))
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{
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try
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{
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IntPtr funcptr = InternalIO.InternalGetWINproc(
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InternalIO.SSClibPtr, item.Name);
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item.SetValue(null, ConvertAPI(funcptr, item.FieldType));
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log += $"Successfully load GLFW API called {item.Name}";
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}
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catch (Exception ex)
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{
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log += $"Failed to load GLFW API called {item.Name}, the detailed info is\n" +
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$"{ex.Message}";
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continue;
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}
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}
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}
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InternalIO.InternalWriteLog(log, LogType.Warning);
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}
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}
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else
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{
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InternalIO.InternalWriteLog("Attempt to load GLFW APIs twice", LogType.Warning);
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}
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//↓RAM will overflow
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InternalIO.InternalInitGL(4, 6);
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/*
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InternalIO.glfw.Init();
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InternalIO.glfw.WindowHint(GLconst.GLFW_VERSION_MAJOR, majorVersion);
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InternalIO.glfw.WindowHint(GLconst.GLFW_VERSION_MAJOR, majorVersion);
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InternalIO.glfw.WindowHint(GLconst.GLFW_VERSION_MINOR, minorVersion);
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/**/
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}
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}
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}
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