444 lines
13 KiB
C#
444 lines
13 KiB
C#
using StgSharp.Logic;
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using StgSharp.Math;
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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namespace StgSharp.Graphics
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{
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internal unsafe partial class GLonUpdate : IglFunc
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{
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private ConcurrentQueue<IntPtr> glActionQueue;
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private static GLparamQueue paramQueue;
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private FrameTimeoutException refreshSignal = new();
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internal GLonUpdate(GLcontext* context)
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{
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if (paramQueue == null)
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{
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paramQueue = new GLparamQueue();
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}
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glActionQueue = new ConcurrentQueue<IntPtr>();
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}
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internal ConcurrentQueue<IntPtr> GLactionQueue
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{
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get
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{
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return glActionQueue;
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}
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}
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void IglFunc.ActiveTexture(uint type)
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{
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paramQueue.Enqueue(type);
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glActionQueue.Enqueue(ActiveTexturePtr);
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}
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void IglFunc.AfterAlign(Form form, Action action)
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{
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throw new NotImplementedException();
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}
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void IglFunc.AlignFrame(Form form)
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{
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if (form.timer.alignSign.byte0 > 0)
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{
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throw new InvalidOperationException();
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}
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form.timer.alignSign.byte0++;
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form.timer.WaitNextFrame();
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throw refreshSignal;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.AttachShader(glHandle program, glHandle shader)
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{
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paramQueue.Enqueue(program, shader);
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glActionQueue.Enqueue(AttachShaderPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindBuffer(BufferType bufferType, glHandle handle)
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{
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M128 m = default;
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m.UInt32[0] = (uint)bufferType;
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m.IntPtr1 = handle.Handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(BindBufferPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindTexture(uint type, uint texture)
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{
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paramQueue.Enqueue(type, texture);
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glActionQueue.Enqueue(BindTexturePtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.BindVertexArray(glHandle index)
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{
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paramQueue.Enqueue(index);
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glActionQueue.Enqueue(BindVertexArrayPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.Clear(MaskBufferBit mask)
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{
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glActionQueue.Enqueue(ClearPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.ClearColor(float R, float G, float B, float A)
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{
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paramQueue.Enqueue(R, G, B, A);
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glActionQueue.Enqueue(ClearColorPtr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.ClearGraphicError()
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{
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glActionQueue.Enqueue(ClearGraphicErrorPtr);
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}
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//TODO:双线程，换运行环境
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void IglFunc.SwitchContext()
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{
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}
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glHandleSet IglFunc.CompileShader(ShaderType shaderType, params string[] shaderCode)
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{
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int l = shaderCode.Length;
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if (l == 0)
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{
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throw new ArgumentException("Should input at least one piece of shader code");
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}
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glHandleSet shaderHandle = new glHandleSet(shaderCode.Length);
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paramQueue.Enqueue((int)shaderType, l);
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for (int i = 0; i < l; i++)
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{
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GCHandle codePtr = GCHandle.Alloc(Encoding.UTF8.GetBytes(shaderCode[i] + '\0'), GCHandleType.Pinned);
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paramQueue.Enqueue((IntPtr)shaderHandle.handle + i, codePtr.AddrOfPinnedObject());
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}
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glActionQueue.Enqueue(CompileShaderPtr);
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return shaderHandle;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandle IglFunc.CreateProgram()
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{
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glHandle h = glHandle.Alloc(1);
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paramQueue.Enqueue(h);
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glActionQueue.Enqueue(CreateProgramPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandleSet IglFunc.CreateProgram(int count)
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{
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M128 m = default;
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glHandleSet h = new glHandleSet(count);
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m.IntPtr0 = (IntPtr)h.handle;
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m.Int32[2] = count;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(CreateProgramSetPtr);
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return h;
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}
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IntPtr IglFunc.CreateWindowHandle(int width, int height, string tittle, IntPtr monitor, Form share)
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{
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byte[] tittleBytes = Encoding.UTF8.GetBytes(tittle);
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IntPtr windowPtr;
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if (share == null)
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{
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windowPtr = InternalIO.glfw.CreateWindow(
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width, height, tittleBytes, monitor, IntPtr.Zero);
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}
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else
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{
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windowPtr = InternalIO.glfw.CreateWindow(
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width, height, tittleBytes, monitor, share.windowID);
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}
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if ((long)windowPtr == -1 || (long)windowPtr == -2)
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{
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throw new Exception("Cannot create window instance!");
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}
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else
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{
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return windowPtr;
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}
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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glHandle IglFunc.CreatGraphicProgram()
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{
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glHandle h = glHandle.Alloc(1);
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paramQueue.Enqueue(h);
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glActionQueue.Enqueue(CreateProgramPtr);
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return h;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.DeleteBuffer(glHandle handle)
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{
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M128 m = new M128() { IntPtr0 = handle.Handle };
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m.UInt32[2] = 1;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(DeleBufferPtr);
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}
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unsafe void IglFunc.DeleteBuffers(glHandleSet handle)
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{
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M128 m = default;
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m.UInt32[2] = (uint)handle.length;
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m.IntPtr0 = (IntPtr)handle.handle;
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paramQueue.Enqueue(m);
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glActionQueue.Enqueue(DeleBufferPtr);
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}
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//TODO: 从这里开始
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unsafe void IglFunc.DeleteVertexArrays(glHandleSet arrays)
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{
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glActionQueue.Enqueue(
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() =>
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{
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uint[] target = arrays;
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fixed (uint* ptr = target)
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{
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api->glDeleteVertexArrays(count, ptr);
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}
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}
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);
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}
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void IglFunc.DrawElements(GepmetryType mode, uint count, Type type, IntPtr ptr)
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{
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uint a;
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switch (Type.GetTypeCode(type))
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{
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case TypeCode.UInt32:
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a = GLconst.UNSIGNED_INT;
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break;
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case TypeCode.UInt16:
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a = GLconst.UNSIGNED_SHORT;
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break;
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case TypeCode.Byte:
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a = GLconst.UNSIGNED_BYTE;
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break;
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default:
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InternalIO.InternalWriteLog(
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$"Parameter error in parameter {nameof(type)} method DrawElements. " +
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$"Only {typeof(uint).Name},{typeof(ushort).Name},{typeof(byte).Name} types are suporrted.",
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LogType.Error);
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return;
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}
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glActionQueue.Enqueue(
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() =>
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{ api->glDrawElements((uint)mode, count, a, (void*)ptr); }
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);
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}
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unsafe void IglFunc.GenBuffers(uint count, glHandleSet handle)
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{
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glActionQueue.Enqueue(
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() =>
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{
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}
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);
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}
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unsafe void IglFunc.GenTextures(uint count, glHandleSet handle)
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{
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glActionQueue.Enqueue(
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() =>
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{
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}
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);
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}
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unsafe void IglFunc.GenVertexArrays(uint count, glHandleSet ptr)
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{
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glActionQueue.Enqueue(
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() =>
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{
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api->glGenVertexArrays(count, ptr);
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}
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);
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}
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public void GetGraphicError()
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{
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throw new NotImplementedException();
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}
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void IglFunc.GetGraphicError()
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{
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throw new NotImplementedException();
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}
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unsafe int IglFunc.GetUniformLocation(uint program, byte* ptr)
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{
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int ret = -1;
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glActionQueue.Enqueue(
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() =>
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{
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int location = api->glGetUniformLocation(program, ptr);
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Interlocked.Add(ref ret, location + 1);
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}
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);
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while (ret < 0) { }
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return ret;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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bool IglFunc.GetWindowShouldClose(Form form)
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{
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return InternalIO.glfw.WindowShouldClose(form.windowID) == 0;
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}
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public void GLswapBuffers(Form form)
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{
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if (form.windowID == IntPtr.Zero)
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{
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return;
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}
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InternalIO.glfw.SwapBuffers(form.windowID);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.MakeContexCurrent(Form form)
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{
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if (form.windowID == IntPtr.Zero)
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{
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return;
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}
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InternalIO.glfw.MakeContextCurrent(form.windowID);
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}
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void IglFunc.SetBufferData<T>(BufferType bufferType, T bufferData, BufferUsage usage)
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{
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glActionQueue.Enqueue(
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() =>
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{
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T data = bufferData;
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int size = sizeof(T);
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api->glBufferData(
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(uint)bufferType,
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(UIntPtr)size,
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&data,
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(uint)usage);
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}
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);
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}
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void IglFunc.SetBufferData<T>(BufferType bufferType, T[] bufferArray, BufferUsage usage)
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{
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glActionQueue.Enqueue(
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() =>
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{
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int size = bufferArray.Length * Marshal.SizeOf(typeof(T));
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if (bufferArray == null)
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{
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return;
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}
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fixed (void* bufferPtr = bufferArray)
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api->glBufferData(
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(uint)bufferType,
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(UIntPtr)size,
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bufferPtr,
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(uint)usage);
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}
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);
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}
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void IglFunc.SetFrameBufferSizeCallback(IntPtr id, FrameBufferSizeHandler handler)
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{
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IntPtr handlerPtr = Marshal.GetFunctionPointerForDelegate(handler);
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InternalIO.glfw.SetFramebufferSizeCallback(id, handlerPtr);
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}
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void IglFunc.SetVertexAttribute(uint index, int size, Type t, bool normalized, uint stride, int pointer)
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{
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glActionQueue.Enqueue(
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() =>
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{
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uint type = InternalIO.GLtype[t];
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api->glVertexAttribPointer(index, size, type, normalized, stride, (void*)pointer);
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api->glEnableVertexAttribArray(index);
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}
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);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.SetWindowShouldClose(Form form, bool mark)
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{
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InternalIO.glfw.SetWindowShouldClose(form.windowID, mark ? 1 : 0);
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}
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void IglFunc.SwapBuffers(Form form)
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{
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glActionQueue.Enqueue(
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() =>
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{
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if (form.windowID == IntPtr.Zero)
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{
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return;
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}
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InternalIO.glfw.SwapBuffers(form.windowID);
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}
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);
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}
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unsafe void IglFunc.TextureImage2d(uint target, int level, uint internalformat, uint width, uint height, uint format, uint type, void* pixels)
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{
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glActionQueue.Enqueue(
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() =>
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{
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api->glTexImage2D(target, level, internalformat, width, height, 0, format, type, pixels);
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}
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);
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}
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void IglFunc.TextureParameter(uint target, uint pname, int param)
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{
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glActionQueue.Enqueue(
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() =>
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{
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api->glTextureParameteri(target, pname, param);
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}
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);
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}
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void IglFunc.UseProgram(uint rogram)
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{
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glActionQueue.Enqueue(
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() =>
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{
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api->glUseProgram(rogram);
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}
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);
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}
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void IglFunc.Viewport(int x, int y, uint width, uint height)
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{
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glActionQueue.Enqueue(
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() =>
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{
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api->glViewport(x, y, width, height);
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}
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);
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}
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}
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}
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