daily uodate on 20231208 by nitload youmu, preparation for multi thread rendering
This commit is contained in:
Nitload
@@ -0,0 +1,311 @@
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using StgSharp.Math;
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using System;
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using System.Collections.Generic;
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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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namespace StgSharp.Graphics
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{
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internal unsafe partial class GLonRender : IglFunc
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{
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internal GLcontext api;
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.ActiveTexture(uint type)
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{
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api.ActiveTexture(type);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.AttachShader(uint program, uint shader)
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{
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api.AttachShader(program, shader);
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}
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void IglFunc.BindBuffer(BufferType bufferType, uint index)
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{
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api.BindBuffer((uint)bufferType, index);
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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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api.BindTexture(type, texture);
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}
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void IglFunc.BindVertexArray(uint index)
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{
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api.BindVertexArray(index);
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}
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void IglFunc.Clear(MaskBufferBit mask)
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{
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api.Clear((uint)mask);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.ClearColor(float R, float G, float B, float A)
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{
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api.ClearColor(R, G, B, A);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.ClearGraphicError()
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{
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while (api.GetError() != 0) { }
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}
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uint IglFunc.CompileShader(string shaderCode, ShaderType shaderType)
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{
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uint shaderID;
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shaderCode += '\0';
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shaderID = InternalIO.InternalLoadShaderCode(shaderCode, (int)shaderType);
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if (shaderID == 0)
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{
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IntPtr logPtr = InternalIO.InternalReadLog();
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string log;
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try
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{
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byte[] logByte = new byte[512];
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Marshal.Copy(logPtr, logByte, 0, 512);
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log = Encoding.UTF8.GetString(logByte);
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log = log.Replace("\0", "");
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bool isUseful = false;
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foreach (char item in log)
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{
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if (!char.IsControl(item))
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{
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isUseful = true; break;
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}
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}
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if (!isUseful)
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{
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throw new Exception();
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}
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}
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catch (Exception)
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{
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log = "Failed to compile shader.\nFailed to get GLSL compiler log";
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}
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InternalIO.InternalWriteLog(log, LogType.Error);
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}
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return shaderID;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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uint IglFunc.CreateProgram()
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{
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return api.CreateProgram();
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}
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unsafe IntPtr IglFunc.CreateWindowHandle(
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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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unsafe uint IglFunc.CreatGraphicProgram()
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{
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return api.CreateProgram();
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.DeleteBuffers(int count, uint* ptr)
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{
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api.DeleteBuffers(count, ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.DeleteVertexArrays(int count, uint* ptr)
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{
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api.DeleteVertexArrays(count, ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.DrawElements(GepmetryType mode, int count, Type type, IntPtr ptr)
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{
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uint a;
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switch (type.Name)
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{
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case "UInt32":
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a = GLconst.UNSIGNED_INT;
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break;
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case "UInt16":
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a = GLconst.UNSIGNED_SHORT;
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break;
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case "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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api.DrawElements((uint)mode, count, a, (void*)ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.GenBuffers(int count, uint* ptr)
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{
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api.GenBuffers(count, ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.GenTextures(int count, uint* ptr)
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{
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api.GenTextures(count, ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.GenVertexArrays(int count, uint* ptr)
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{
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api.GenVertexArrays(count, ptr);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.GetGraphicError()
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{
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string error = null;
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uint code = api.GetError();
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while (code != 0)
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{
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error += $"OpenGL error {code}\n";
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}
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try
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{
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if (error != null)
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{
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throw new Exception();
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}
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}
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catch (Exception ex)
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{
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/*
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InternalIO.InternalWriteLog(
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error + ex.StackTrace,
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LogType.Error
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);
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/**/
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}
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return;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe int IglFunc.GetUniformLocation(uint program, byte* ptr)
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{
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return api.GetUniformLocation(program, ptr);
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}
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unsafe 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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unsafe 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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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.SetBufferData<T>(BufferType bufferType, T bufferData, BufferUsage usage)
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{
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int size = sizeof(T);
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api.BufferData(
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(uint)bufferType,
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size,
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&bufferData,
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(uint)usage);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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unsafe void IglFunc.SetBufferData<T>(BufferType bufferType, T[] bufferArray, BufferUsage usage)
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{
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int size = bufferArray.Length * Marshal.SizeOf(typeof(T));
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fixed (void* bufferPtr = &bufferArray[0])
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api.BufferData(
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(uint)bufferType,
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size,
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bufferPtr,
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(uint)usage);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.SetFrameBufferSizeCallback(IntPtr id, FrameBufferSizeHandler handler)
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{
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InternalIO.glfw.SetFramebufferSizeCallback(id, handler);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.SetVertexAttribute(uint index, int size, Type t, bool normalized, int stride, int pointer)
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{
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uint type = InternalIO.GLtype[t];
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api.VertexAttribPointer(index, size, type, normalized, stride, (void*)pointer);
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api.EnableVertexAttribArray(index);
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}
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unsafe void IglFunc.SwapBuffers(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.TextureImage2d(uint target, int level, uint internalformat, int width, int height, uint format, uint type, void* pixels)
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{
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api.TexImage2D(
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target, level, internalformat, width, height, 0, format, type, pixels
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);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.TextureParameter(uint target, uint pname, int param)
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{
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api.TexParameteri(target, pname, param);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.UseProgram(uint program)
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{
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api.UseProgram(program);
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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void IglFunc.Viewport(int x, int y, int width, int height)
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{
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api.Viewport(x, y, width, height);
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}
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}
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}
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